Index: PCbuild/pythoncore.vcproj
===================================================================
--- PCbuild/pythoncore.vcproj (revision 82847)
+++ PCbuild/pythoncore.vcproj (working copy)
@@ -1068,7 +1068,7 @@
>
y else -1
+
+MINYEAR = 1
+MAXYEAR = 9999
+_MAXORDINAL = 3652059 # date.max.toordinal()
+
+# Utility functions, adapted from Python's Demo/classes/Dates.py, which
+# also assumes the current Gregorian calendar indefinitely extended in
+# both directions. Difference: Dates.py calls January 1 of year 0 day
+# number 1. The code here calls January 1 of year 1 day number 1. This is
+# to match the definition of the "proleptic Gregorian" calendar in Dershowitz
+# and Reingold's "Calendrical Calculations", where it's the base calendar
+# for all computations. See the book for algorithms for converting between
+# proleptic Gregorian ordinals and many other calendar systems.
+
+_DAYS_IN_MONTH = [None, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+_DAYS_BEFORE_MONTH = [None]
+dbm = 0
+for dim in _DAYS_IN_MONTH[1:]:
+ _DAYS_BEFORE_MONTH.append(dbm)
+ dbm += dim
+del dbm, dim
+
+def _is_leap(year):
+ "year -> 1 if leap year, else 0."
+ return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
+
+def _days_before_year(year):
+ "year -> number of days before January 1st of year."
+ y = year - 1
+ return y*365 + y//4 - y//100 + y//400
+
+def _days_in_month(year, month):
+ "year, month -> number of days in that month in that year."
+ assert 1 <= month <= 12, month
+ if month == 2 and _is_leap(year):
+ return 29
+ return _DAYS_IN_MONTH[month]
+
+def _days_before_month(year, month):
+ "year, month -> number of days in year preceeding first day of month."
+ assert 1 <= month <= 12, 'month must be in 1..12'
+ return _DAYS_BEFORE_MONTH[month] + (month > 2 and _is_leap(year))
+
+def _ymd2ord(year, month, day):
+ "year, month, day -> ordinal, considering 01-Jan-0001 as day 1."
+ assert 1 <= month <= 12, 'month must be in 1..12'
+ dim = _days_in_month(year, month)
+ assert 1 <= day <= dim, ('day must be in 1..%d' % dim)
+ return (_days_before_year(year) +
+ _days_before_month(year, month) +
+ day)
+
+_DI400Y = _days_before_year(401) # number of days in 400 years
+_DI100Y = _days_before_year(101) # " " " " 100 "
+_DI4Y = _days_before_year(5) # " " " " 4 "
+
+# A 4-year cycle has an extra leap day over what we'd get from pasting
+# together 4 single years.
+assert _DI4Y == 4 * 365 + 1
+
+# Similarly, a 400-year cycle has an extra leap day over what we'd get from
+# pasting together 4 100-year cycles.
+assert _DI400Y == 4 * _DI100Y + 1
+
+# OTOH, a 100-year cycle has one fewer leap day than we'd get from
+# pasting together 25 4-year cycles.
+assert _DI100Y == 25 * _DI4Y - 1
+
+def _ord2ymd(n):
+ "ordinal -> (year, month, day), considering 01-Jan-0001 as day 1."
+
+ # n is a 1-based index, starting at 1-Jan-1. The pattern of leap years
+ # repeats exactly every 400 years. The basic strategy is to find the
+ # closest 400-year boundary at or before n, then work with the offset
+ # from that boundary to n. Life is much clearer if we subtract 1 from
+ # n first -- then the values of n at 400-year boundaries are exactly
+ # those divisible by _DI400Y:
+ #
+ # D M Y n n-1
+ # -- --- ---- ---------- ----------------
+ # 31 Dec -400 -_DI400Y -_DI400Y -1
+ # 1 Jan -399 -_DI400Y +1 -_DI400Y 400-year boundary
+ # ...
+ # 30 Dec 000 -1 -2
+ # 31 Dec 000 0 -1
+ # 1 Jan 001 1 0 400-year boundary
+ # 2 Jan 001 2 1
+ # 3 Jan 001 3 2
+ # ...
+ # 31 Dec 400 _DI400Y _DI400Y -1
+ # 1 Jan 401 _DI400Y +1 _DI400Y 400-year boundary
+ n -= 1
+ n400, n = divmod(n, _DI400Y)
+ year = n400 * 400 + 1 # ..., -399, 1, 401, ...
+
+ # Now n is the (non-negative) offset, in days, from January 1 of year, to
+ # the desired date. Now compute how many 100-year cycles precede n.
+ # Note that it's possible for n100 to equal 4! In that case 4 full
+ # 100-year cycles precede the desired day, which implies the desired
+ # day is December 31 at the end of a 400-year cycle.
+ n100, n = divmod(n, _DI100Y)
+
+ # Now compute how many 4-year cycles precede it.
+ n4, n = divmod(n, _DI4Y)
+
+ # And now how many single years. Again n1 can be 4, and again meaning
+ # that the desired day is December 31 at the end of the 4-year cycle.
+ n1, n = divmod(n, 365)
+
+ year += n100 * 100 + n4 * 4 + n1
+ if n1 == 4 or n100 == 4:
+ assert n == 0
+ return year-1, 12, 31
+
+ # Now the year is correct, and n is the offset from January 1. We find
+ # the month via an estimate that's either exact or one too large.
+ leapyear = n1 == 3 and (n4 != 24 or n100 == 3)
+ assert leapyear == _is_leap(year)
+ month = (n + 50) >> 5
+ preceding = _DAYS_BEFORE_MONTH[month] + (month > 2 and leapyear)
+ if preceding > n: # estimate is too large
+ month -= 1
+ preceding -= _DAYS_IN_MONTH[month] + (month == 2 and leapyear)
+ n -= preceding
+ assert 0 <= n < _days_in_month(year, month)
+
+ # Now the year and month are correct, and n is the offset from the
+ # start of that month: we're done!
+ return year, month, n+1
+
+# Month and day names. For localized versions, see the calendar module.
+_MONTHNAMES = [None, "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
+_DAYNAMES = [None, "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
+
+
+def _build_struct_time(y, m, d, hh, mm, ss, dstflag):
+ wday = (_ymd2ord(y, m, d) + 6) % 7
+ dnum = _days_before_month(y, m) + d
+ return _time.struct_time((y, m, d, hh, mm, ss, wday, dnum, dstflag))
+
+def _format_time(hh, mm, ss, us):
+ # Skip trailing microseconds when us==0.
+ result = "%02d:%02d:%02d" % (hh, mm, ss)
+ if us:
+ result += ".%06d" % us
+ return result
+
+# Correctly substitute for %z and %Z escapes in strftime formats.
+def _wrap_strftime(object, format, timetuple):
+ year = timetuple[0]
+ if year < 1900:
+ raise ValueError("year=%d is before 1900; the datetime strftime() "
+ "methods require year >= 1900" % year)
+ # Don't call utcoffset() or tzname() unless actually needed.
+ freplace = None # the string to use for %f
+ zreplace = None # the string to use for %z
+ Zreplace = None # the string to use for %Z
+
+ # Scan format for %z and %Z escapes, replacing as needed.
+ newformat = []
+ push = newformat.append
+ i, n = 0, len(format)
+ while i < n:
+ ch = format[i]
+ i += 1
+ if ch == '%':
+ if i < n:
+ ch = format[i]
+ i += 1
+ if ch == 'f':
+ if freplace is None:
+ freplace = '%06d' % getattr(object,
+ 'microsecond', 0)
+ newformat.append(freplace)
+ elif ch == 'z':
+ if zreplace is None:
+ zreplace = ""
+ if hasattr(object, "utcoffset"):
+ offset = object.utcoffset()
+ if offset is not None:
+ sign = '+'
+ if offset.days < 0:
+ offset = -offset
+ sign = '-'
+ h, m = divmod(offset, timedelta(hours=1))
+ assert not m % timedelta(minutes=1), "whole minute"
+ m //= timedelta(minutes=1)
+ zreplace = '%c%02d%02d' % (sign, h, m)
+ assert '%' not in zreplace
+ newformat.append(zreplace)
+ elif ch == 'Z':
+ if Zreplace is None:
+ Zreplace = ""
+ if hasattr(object, "tzname"):
+ s = object.tzname()
+ if s is not None:
+ # strftime is going to have at this: escape %
+ Zreplace = s.replace('%', '%%')
+ newformat.append(Zreplace)
+ else:
+ push('%')
+ push(ch)
+ else:
+ push('%')
+ else:
+ push(ch)
+ newformat = "".join(newformat)
+ return _time.strftime(newformat, timetuple)
+
+def _call_tzinfo_method(tzinfo, methname, tzinfoarg):
+ if tzinfo is None:
+ return None
+ return getattr(tzinfo, methname)(tzinfoarg)
+
+# Just raise TypeError if the arg isn't None or a string.
+def _check_tzname(name):
+ if name is not None and not isinstance(name, str):
+ raise TypeError("tzinfo.tzname() must return None or string, "
+ "not '%s'" % type(name))
+
+# name is the offset-producing method, "utcoffset" or "dst".
+# offset is what it returned.
+# If offset isn't None or timedelta, raises TypeError.
+# If offset is None, returns None.
+# Else offset is checked for being in range, and a whole # of minutes.
+# If it is, its integer value is returned. Else ValueError is raised.
+def _check_utc_offset(name, offset):
+ assert name in ("utcoffset", "dst")
+ if offset is None:
+ return
+ if not isinstance(offset, timedelta):
+ raise TypeError("tzinfo.%s() must return None "
+ "or timedelta, not '%s'" % (name, type(offset)))
+ if offset % timedelta(minutes=1) or offset.microseconds:
+ raise ValueError("tzinfo.%s() must return a whole number "
+ "of minutes, got %s" % (name, offset))
+ if not -timedelta(1) < offset < timedelta(1):
+ raise ValueError("%s()=%s, must be must be strictly between"
+ " -timedelta(hours=24) and timedelta(hours=24)"
+ % (name, offset))
+
+def _check_date_fields(year, month, day):
+ if not isinstance(year, int):
+ raise TypeError('int expected')
+ if not MINYEAR <= year <= MAXYEAR:
+ raise ValueError('year must be in %d..%d' % (MINYEAR, MAXYEAR), year)
+ if not 1 <= month <= 12:
+ raise ValueError('month must be in 1..12', month)
+ dim = _days_in_month(year, month)
+ if not 1 <= day <= dim:
+ raise ValueError('day must be in 1..%d' % dim, day)
+
+def _check_time_fields(hour, minute, second, microsecond):
+ if not isinstance(hour, int):
+ raise TypeError('int expected')
+ if not 0 <= hour <= 23:
+ raise ValueError('hour must be in 0..23', hour)
+ if not 0 <= minute <= 59:
+ raise ValueError('minute must be in 0..59', minute)
+ if not 0 <= second <= 59:
+ raise ValueError('second must be in 0..59', second)
+ if not 0 <= microsecond <= 999999:
+ raise ValueError('microsecond must be in 0..999999', microsecond)
+
+def _check_tzinfo_arg(tz):
+ if tz is not None and not isinstance(tz, tzinfo):
+ raise TypeError("tzinfo argument must be None or of a tzinfo subclass")
+
+def _cmperror(x, y):
+ raise TypeError("can't compare '%s' to '%s'" % (
+ type(x).__name__, type(y).__name__))
+
+class timedelta:
+ """Represent the difference between two datetime objects.
+
+ Supported operators:
+
+ - add, subtract timedelta
+ - unary plus, minus, abs
+ - compare to timedelta
+ - multiply, divide by int/long
+
+ In addition, datetime supports subtraction of two datetime objects
+ returning a timedelta, and addition or subtraction of a datetime
+ and a timedelta giving a datetime.
+
+ Representation: (days, seconds, microseconds). Why? Because I
+ felt like it.
+ """
+ __slots__ = '_days', '_seconds', '_microseconds'
+
+ def __new__(cls, days=0, seconds=0, microseconds=0,
+ milliseconds=0, minutes=0, hours=0, weeks=0):
+ # Doing this efficiently and accurately in C is going to be difficult
+ # and error-prone, due to ubiquitous overflow possibilities, and that
+ # C double doesn't have enough bits of precision to represent
+ # microseconds over 10K years faithfully. The code here tries to make
+ # explicit where go-fast assumptions can be relied on, in order to
+ # guide the C implementation; it's way more convoluted than speed-
+ # ignoring auto-overflow-to-long idiomatic Python could be.
+
+ # XXX Check that all inputs are ints or floats.
+
+ # Final values, all integer.
+ # s and us fit in 32-bit signed ints; d isn't bounded.
+ d = s = us = 0
+
+ # Normalize everything to days, seconds, microseconds.
+ days += weeks*7
+ seconds += minutes*60 + hours*3600
+ microseconds += milliseconds*1000
+
+ # Get rid of all fractions, and normalize s and us.
+ # Take a deep breath .
+ if isinstance(days, float):
+ dayfrac, days = _math.modf(days)
+ daysecondsfrac, daysecondswhole = _math.modf(dayfrac * (24.*3600.))
+ assert daysecondswhole == int(daysecondswhole) # can't overflow
+ s = int(daysecondswhole)
+ assert days == int(days)
+ d = int(days)
+ else:
+ daysecondsfrac = 0.0
+ d = days
+ assert isinstance(daysecondsfrac, float)
+ assert abs(daysecondsfrac) <= 1.0
+ assert isinstance(d, int)
+ assert abs(s) <= 24 * 3600
+ # days isn't referenced again before redefinition
+
+ if isinstance(seconds, float):
+ secondsfrac, seconds = _math.modf(seconds)
+ assert seconds == int(seconds)
+ seconds = int(seconds)
+ secondsfrac += daysecondsfrac
+ assert abs(secondsfrac) <= 2.0
+ else:
+ secondsfrac = daysecondsfrac
+ # daysecondsfrac isn't referenced again
+ assert isinstance(secondsfrac, float)
+ assert abs(secondsfrac) <= 2.0
+
+ assert isinstance(seconds, int)
+ days, seconds = divmod(seconds, 24*3600)
+ d += days
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 2 * 24 * 3600
+ # seconds isn't referenced again before redefinition
+
+ usdouble = secondsfrac * 1e6
+ assert abs(usdouble) < 2.1e6 # exact value not critical
+ # secondsfrac isn't referenced again
+
+ if isinstance(microseconds, float):
+ microseconds += usdouble
+ microseconds = round(microseconds, 0)
+ seconds, microseconds = divmod(microseconds, 1e6)
+ assert microseconds == int(microseconds)
+ assert seconds == int(seconds)
+ days, seconds = divmod(seconds, 24.*3600.)
+ assert days == int(days)
+ assert seconds == int(seconds)
+ d += int(days)
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 3 * 24 * 3600
+ else:
+ seconds, microseconds = divmod(microseconds, 1000000)
+ days, seconds = divmod(seconds, 24*3600)
+ d += days
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 3 * 24 * 3600
+ microseconds = float(microseconds)
+ microseconds += usdouble
+ microseconds = round(microseconds, 0)
+ assert abs(s) <= 3 * 24 * 3600
+ assert abs(microseconds) < 3.1e6
+
+ # Just a little bit of carrying possible for microseconds and seconds.
+ assert isinstance(microseconds, float)
+ assert int(microseconds) == microseconds
+ us = int(microseconds)
+ seconds, us = divmod(us, 1000000)
+ s += seconds # cant't overflow
+ assert isinstance(s, int)
+ days, s = divmod(s, 24*3600)
+ d += days
+
+ assert isinstance(d, int)
+ assert isinstance(s, int) and 0 <= s < 24*3600
+ assert isinstance(us, int) and 0 <= us < 1000000
+
+ self = object.__new__(cls)
+
+ self._days = d
+ self._seconds = s
+ self._microseconds = us
+ if abs(d) > 999999999:
+ raise OverflowError("timedelta # of days is too large: %d" % d)
+
+ return self
+
+ def __repr__(self):
+ if self._microseconds:
+ return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._days,
+ self._seconds,
+ self._microseconds)
+ if self._seconds:
+ return "%s(%d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._days,
+ self._seconds)
+ return "%s(%d)" % ('datetime.' + self.__class__.__name__, self._days)
+
+ def __str__(self):
+ mm, ss = divmod(self._seconds, 60)
+ hh, mm = divmod(mm, 60)
+ s = "%d:%02d:%02d" % (hh, mm, ss)
+ if self._days:
+ def plural(n):
+ return n, abs(n) != 1 and "s" or ""
+ s = ("%d day%s, " % plural(self._days)) + s
+ if self._microseconds:
+ s = s + ".%06d" % self._microseconds
+ return s
+
+ def total_seconds(self):
+ """Total seconds in the duration."""
+ return ((self.days * 86400 + self.seconds)*10**6 +
+ self.microseconds) / 10**6
+
+ # Read-only field accessors
+ @property
+ def days(self):
+ """days"""
+ return self._days
+
+ @property
+ def seconds(self):
+ """seconds"""
+ return self._seconds
+
+ @property
+ def microseconds(self):
+ """microseconds"""
+ return self._microseconds
+
+ def __add__(self, other):
+ if isinstance(other, timedelta):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(self._days + other._days,
+ self._seconds + other._seconds,
+ self._microseconds + other._microseconds)
+ return NotImplemented
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ if isinstance(other, timedelta):
+ return self + -other
+ return NotImplemented
+
+ def __rsub__(self, other):
+ if isinstance(other, timedelta):
+ return -self + other
+ return NotImplemented
+
+ def __neg__(self):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(-self._days,
+ -self._seconds,
+ -self._microseconds)
+
+ def __pos__(self):
+ return self
+
+ def __abs__(self):
+ if self._days < 0:
+ return -self
+ else:
+ return self
+
+ def __mul__(self, other):
+ if isinstance(other, int):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(self._days * other,
+ self._seconds * other,
+ self._microseconds * other)
+ if isinstance(other, float):
+ a, b = other.as_integer_ratio()
+ return self * a / b
+ return NotImplemented
+
+ __rmul__ = __mul__
+
+ def _to_microseconds(self):
+ return ((self._days * (24*3600) + self._seconds) * 1000000 +
+ self._microseconds)
+
+ def __floordiv__(self, other):
+ if not isinstance(other, (int, timedelta)):
+ return NotImplemented
+ usec = self._to_microseconds()
+ if isinstance(other, timedelta):
+ return usec // other._to_microseconds()
+ if isinstance(other, int):
+ return timedelta(0, 0, usec // other)
+
+ def __truediv__(self, other):
+ if not isinstance(other, (int, float, timedelta)):
+ return NotImplemented
+ usec = self._to_microseconds()
+ if isinstance(other, timedelta):
+ return usec / other._to_microseconds()
+ if isinstance(other, int):
+ return timedelta(0, 0, usec / other)
+ if isinstance(other, float):
+ a, b = other.as_integer_ratio()
+ return timedelta(0, 0, b * usec / a)
+
+ def __mod__(self, other):
+ if isinstance(other, timedelta):
+ r = self._to_microseconds() % other._to_microseconds()
+ return timedelta(0, 0, r)
+ return NotImplemented
+
+ def __divmod__(self, other):
+ if isinstance(other, timedelta):
+ q, r = divmod(self._to_microseconds(),
+ other._to_microseconds())
+ return q, timedelta(0, 0, r)
+ return NotImplemented
+
+ # Comparisons of timedelta objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) == 0
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) != 0
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) <= 0
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) < 0
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) >= 0
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) > 0
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, timedelta)
+ return _cmp(self._getstate(), other._getstate())
+
+ def __hash__(self):
+ return hash(self._getstate())
+
+ def __bool__(self):
+ return (self._days != 0 or
+ self._seconds != 0 or
+ self._microseconds != 0)
+
+ # Pickle support.
+
+ def _getstate(self):
+ return (self._days, self._seconds, self._microseconds)
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+timedelta.min = timedelta(-999999999)
+timedelta.max = timedelta(days=999999999, hours=23, minutes=59, seconds=59,
+ microseconds=999999)
+timedelta.resolution = timedelta(microseconds=1)
+
+class date:
+ """Concrete date type.
+
+ Constructors:
+
+ __new__()
+ fromtimestamp()
+ today()
+ fromordinal()
+
+ Operators:
+
+ __repr__, __str__
+ __cmp__, __hash__
+ __add__, __radd__, __sub__ (add/radd only with timedelta arg)
+
+ Methods:
+
+ timetuple()
+ toordinal()
+ weekday()
+ isoweekday(), isocalendar(), isoformat()
+ ctime()
+ strftime()
+
+ Properties (readonly):
+ year, month, day
+ """
+ __slots__ = '_year', '_month', '_day'
+
+ def __new__(cls, year, month=None, day=None):
+ """Constructor.
+
+ Arguments:
+
+ year, month, day (required, base 1)
+ """
+ if (isinstance(year, bytes) and len(year) == 4 and
+ 1 <= year[2] <= 12 and month is None): # Month is sane
+ # Pickle support
+ self = object.__new__(cls)
+ self.__setstate(year)
+ return self
+ _check_date_fields(year, month, day)
+ self = object.__new__(cls)
+ self._year = year
+ self._month = month
+ self._day = day
+ return self
+
+ # Additional constructors
+
+ @classmethod
+ def fromtimestamp(cls, t):
+ "Construct a date from a POSIX timestamp (like time.time())."
+ y, m, d, hh, mm, ss, weekday, jday, dst = _time.localtime(t)
+ return cls(y, m, d)
+
+ @classmethod
+ def today(cls):
+ "Construct a date from time.time()."
+ t = _time.time()
+ return cls.fromtimestamp(t)
+
+ @classmethod
+ def fromordinal(cls, n):
+ """Contruct a date from a proleptic Gregorian ordinal.
+
+ January 1 of year 1 is day 1. Only the year, month and day are
+ non-zero in the result.
+ """
+ y, m, d = _ord2ymd(n)
+ return cls(y, m, d)
+
+ # Conversions to string
+
+ def __repr__(self):
+ """Convert to formal string, for repr().
+
+ >>> dt = datetime(2010, 1, 1)
+ >>> repr(dt)
+ 'datetime.datetime(2010, 1, 1, 0, 0)'
+
+ >>> dt = datetime(2010, 1, 1, tzinfo=timezone.utc)
+ >>> repr(dt)
+ 'datetime.datetime(2010, 1, 1, 0, 0, tzinfo=datetime.timezone.utc)'
+ """
+ return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._year,
+ self._month,
+ self._day)
+ # XXX These shouldn't depend on time.localtime(), because that
+ # clips the usable dates to [1970 .. 2038). At least ctime() is
+ # easily done without using strftime() -- that's better too because
+ # strftime("%c", ...) is locale specific.
+
+
+ def ctime(self):
+ "Return ctime() style string."
+ weekday = self.toordinal() % 7 or 7
+ return "%s %s %2d 00:00:00 %04d" % (
+ _DAYNAMES[weekday],
+ _MONTHNAMES[self._month],
+ self._day, self._year)
+
+ def strftime(self, fmt):
+ "Format using strftime()."
+ return _wrap_strftime(self, fmt, self.timetuple())
+
+ def __format__(self, fmt):
+ if len(fmt) != 0:
+ return self.strftime(fmt)
+ return str(self)
+
+ def isoformat(self):
+ """Return the date formatted according to ISO.
+
+ This is 'YYYY-MM-DD'.
+
+ References:
+ - http://www.w3.org/TR/NOTE-datetime
+ - http://www.cl.cam.ac.uk/~mgk25/iso-time.html
+ """
+ return "%04d-%02d-%02d" % (self._year, self._month, self._day)
+
+ __str__ = isoformat
+
+ # Read-only field accessors
+ @property
+ def year(self):
+ """year (1-9999)"""
+ return self._year
+
+ @property
+ def month(self):
+ """month (1-12)"""
+ return self._month
+
+ @property
+ def day(self):
+ """day (1-31)"""
+ return self._day
+
+ # Standard conversions, __cmp__, __hash__ (and helpers)
+
+ def timetuple(self):
+ "Return local time tuple compatible with time.localtime()."
+ return _build_struct_time(self._year, self._month, self._day,
+ 0, 0, 0, -1)
+
+ def toordinal(self):
+ """Return proleptic Gregorian ordinal for the year, month and day.
+
+ January 1 of year 1 is day 1. Only the year, month and day values
+ contribute to the result.
+ """
+ return _ymd2ord(self._year, self._month, self._day)
+
+ def replace(self, year=None, month=None, day=None):
+ """Return a new date with new values for the specified fields."""
+ if year is None:
+ year = self._year
+ if month is None:
+ month = self._month
+ if day is None:
+ day = self._day
+ _check_date_fields(year, month, day)
+ return date(year, month, day)
+
+ # Comparisons of date objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) == 0
+ return NotImplemented
+
+ def __ne__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) != 0
+ return NotImplemented
+
+ def __le__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) <= 0
+ return NotImplemented
+
+ def __lt__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) < 0
+ return NotImplemented
+
+ def __ge__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) >= 0
+ return NotImplemented
+
+ def __gt__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) > 0
+ return NotImplemented
+
+ def _cmp(self, other):
+ assert isinstance(other, date)
+ y, m, d = self._year, self._month, self._day
+ y2, m2, d2 = other._year, other._month, other._day
+ return _cmp((y, m, d), (y2, m2, d2))
+
+ def __hash__(self):
+ "Hash."
+ return hash(self._getstate())
+
+ # Computations
+
+ def __add__(self, other):
+ "Add a date to a timedelta."
+ if isinstance(other, timedelta):
+ o = self.toordinal() + other.days
+ if 0 < o <= _MAXORDINAL:
+ return date.fromordinal(o)
+ raise OverflowError("result out of range")
+ return NotImplemented
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ """Subtract two dates, or a date and a timedelta."""
+ if isinstance(other, timedelta):
+ return self + timedelta(-other.days)
+ if isinstance(other, date):
+ days1 = self.toordinal()
+ days2 = other.toordinal()
+ return timedelta(days1 - days2)
+ return NotImplemented
+
+ def weekday(self):
+ "Return day of the week, where Monday == 0 ... Sunday == 6."
+ return (self.toordinal() + 6) % 7
+
+ # Day-of-the-week and week-of-the-year, according to ISO
+
+ def isoweekday(self):
+ "Return day of the week, where Monday == 1 ... Sunday == 7."
+ # 1-Jan-0001 is a Monday
+ return self.toordinal() % 7 or 7
+
+ def isocalendar(self):
+ """Return a 3-tuple containing ISO year, week number, and weekday.
+
+ The first ISO week of the year is the (Mon-Sun) week
+ containing the year's first Thursday; everything else derives
+ from that.
+
+ The first week is 1; Monday is 1 ... Sunday is 7.
+
+ ISO calendar algorithm taken from
+ http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
+ """
+ year = self._year
+ week1monday = _isoweek1monday(year)
+ today = _ymd2ord(self._year, self._month, self._day)
+ # Internally, week and day have origin 0
+ week, day = divmod(today - week1monday, 7)
+ if week < 0:
+ year -= 1
+ week1monday = _isoweek1monday(year)
+ week, day = divmod(today - week1monday, 7)
+ elif week >= 52:
+ if today >= _isoweek1monday(year+1):
+ year += 1
+ week = 0
+ return year, week+1, day+1
+
+ # Pickle support.
+
+ def _getstate(self):
+ yhi, ylo = divmod(self._year, 256)
+ return bytes([yhi, ylo, self._month, self._day]),
+
+ def __setstate(self, string):
+ if len(string) != 4 or not (1 <= string[2] <= 12):
+ raise TypeError("not enough arguments")
+ yhi, ylo, self._month, self._day = string
+ self._year = yhi * 256 + ylo
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+_date_class = date # so functions w/ args named "date" can get at the class
+
+date.min = date(1, 1, 1)
+date.max = date(9999, 12, 31)
+date.resolution = timedelta(days=1)
+
+class tzinfo:
+ """Abstract base class for time zone info classes.
+
+ Subclasses must override the name(), utcoffset() and dst() methods.
+ """
+ __slots__ = ()
+ def tzname(self, dt):
+ "datetime -> string name of time zone."
+ raise NotImplementedError("tzinfo subclass must override tzname()")
+
+ def utcoffset(self, dt):
+ "datetime -> minutes east of UTC (negative for west of UTC)"
+ raise NotImplementedError("tzinfo subclass must override utcoffset()")
+
+ def dst(self, dt):
+ """datetime -> DST offset in minutes east of UTC.
+
+ Return 0 if DST not in effect. utcoffset() must include the DST
+ offset.
+ """
+ raise NotImplementedError("tzinfo subclass must override dst()")
+
+ def fromutc(self, dt):
+ "datetime in UTC -> datetime in local time."
+
+ if not isinstance(dt, datetime):
+ raise TypeError("fromutc() requires a datetime argument")
+ if dt.tzinfo is not self:
+ raise ValueError("dt.tzinfo is not self")
+
+ dtoff = dt.utcoffset()
+ if dtoff is None:
+ raise ValueError("fromutc() requires a non-None utcoffset() "
+ "result")
+
+ # See the long comment block at the end of this file for an
+ # explanation of this algorithm.
+ dtdst = dt.dst()
+ if dtdst is None:
+ raise ValueError("fromutc() requires a non-None dst() result")
+ delta = dtoff - dtdst
+ if delta:
+ dt += delta
+ dtdst = dt.dst()
+ if dtdst is None:
+ raise ValueError("fromutc(): dt.dst gave inconsistent "
+ "results; cannot convert")
+ return dt + dtdst
+
+ # Pickle support.
+
+ def __reduce__(self):
+ getinitargs = getattr(self, "__getinitargs__", None)
+ if getinitargs:
+ args = getinitargs()
+ else:
+ args = ()
+ getstate = getattr(self, "__getstate__", None)
+ if getstate:
+ state = getstate()
+ else:
+ state = getattr(self, "__dict__", None) or None
+ if state is None:
+ return (self.__class__, args)
+ else:
+ return (self.__class__, args, state)
+
+_tzinfo_class = tzinfo
+
+class time:
+ """Time with time zone.
+
+ Constructors:
+
+ __new__()
+
+ Operators:
+
+ __repr__, __str__
+ __cmp__, __hash__
+
+ Methods:
+
+ strftime()
+ isoformat()
+ utcoffset()
+ tzname()
+ dst()
+
+ Properties (readonly):
+ hour, minute, second, microsecond, tzinfo
+ """
+
+ def __new__(cls, hour=0, minute=0, second=0, microsecond=0, tzinfo=None):
+ """Constructor.
+
+ Arguments:
+
+ hour, minute (required)
+ second, microsecond (default to zero)
+ tzinfo (default to None)
+ """
+ self = object.__new__(cls)
+ if isinstance(hour, bytes) and len(hour) == 6:
+ # Pickle support
+ self.__setstate(hour, minute or None)
+ return self
+ _check_tzinfo_arg(tzinfo)
+ _check_time_fields(hour, minute, second, microsecond)
+ self._hour = hour
+ self._minute = minute
+ self._second = second
+ self._microsecond = microsecond
+ self._tzinfo = tzinfo
+ return self
+
+ # Read-only field accessors
+ @property
+ def hour(self):
+ """hour (0-23)"""
+ return self._hour
+
+ @property
+ def minute(self):
+ """minute (0-59)"""
+ return self._minute
+
+ @property
+ def second(self):
+ """second (0-59)"""
+ return self._second
+
+ @property
+ def microsecond(self):
+ """microsecond (0-999999)"""
+ return self._microsecond
+
+ @property
+ def tzinfo(self):
+ """timezone info object"""
+ return self._tzinfo
+
+ # Standard conversions, __hash__ (and helpers)
+
+ # Comparisons of time objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) == 0
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) != 0
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) <= 0
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) < 0
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) >= 0
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) > 0
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, time)
+ mytz = self._tzinfo
+ ottz = other._tzinfo
+ myoff = otoff = None
+
+ if mytz is ottz:
+ base_compare = True
+ else:
+ myoff = self.utcoffset()
+ otoff = other.utcoffset()
+ base_compare = myoff == otoff
+
+ if base_compare:
+ return _cmp((self._hour, self._minute, self._second,
+ self._microsecond),
+ (other._hour, other._minute, other._second,
+ other._microsecond))
+ if myoff is None or otoff is None:
+ raise TypeError("cannot compare naive and aware times")
+ myhhmm = self._hour * 60 + self._minute - myoff//timedelta(minutes=1)
+ othhmm = other._hour * 60 + other._minute - otoff//timedelta(minutes=1)
+ return _cmp((myhhmm, self._second, self._microsecond),
+ (othhmm, other._second, other._microsecond))
+
+ def __hash__(self):
+ """Hash."""
+ tzoff = self.utcoffset()
+ if not tzoff: # zero or None
+ return hash(self._getstate()[0])
+ h, m = divmod(timedelta(hours=self.hour, minutes=self.minute) - tzoff,
+ timedelta(hours=1))
+ assert not m % timedelta(minutes=1), "whole minute"
+ m //= timedelta(minutes=1)
+ if 0 <= h < 24:
+ return hash(time(h, m, self.second, self.microsecond))
+ return hash((h, m, self.second, self.microsecond))
+
+ # Conversion to string
+
+ def _tzstr(self, sep=":"):
+ """Return formatted timezone offset (+xx:xx) or None."""
+ off = self.utcoffset()
+ if off is not None:
+ if off.days < 0:
+ sign = "-"
+ off = -off
+ else:
+ sign = "+"
+ hh, mm = divmod(off, timedelta(hours=1))
+ assert not mm % timedelta(minutes=1), "whole minute"
+ mm //= timedelta(minutes=1)
+ assert 0 <= hh < 24
+ off = "%s%02d%s%02d" % (sign, hh, sep, mm)
+ return off
+
+ def __repr__(self):
+ """Convert to formal string, for repr()."""
+ if self._microsecond != 0:
+ s = ", %d, %d" % (self._second, self._microsecond)
+ elif self._second != 0:
+ s = ", %d" % self._second
+ else:
+ s = ""
+ s= "%s(%d, %d%s)" % ('datetime.' + self.__class__.__name__,
+ self._hour, self._minute, s)
+ if self._tzinfo is not None:
+ assert s[-1:] == ")"
+ s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
+ return s
+
+ def isoformat(self):
+ """Return the time formatted according to ISO.
+
+ This is 'HH:MM:SS.mmmmmm+zz:zz', or 'HH:MM:SS+zz:zz' if
+ self.microsecond == 0.
+ """
+ s = _format_time(self._hour, self._minute, self._second,
+ self._microsecond)
+ tz = self._tzstr()
+ if tz:
+ s += tz
+ return s
+
+ __str__ = isoformat
+
+ def strftime(self, fmt):
+ """Format using strftime(). The date part of the timestamp passed
+ to underlying strftime should not be used.
+ """
+ # The year must be >= 1900 else Python's strftime implementation
+ # can raise a bogus exception.
+ timetuple = (1900, 1, 1,
+ self._hour, self._minute, self._second,
+ 0, 1, -1)
+ return _wrap_strftime(self, fmt, timetuple)
+
+ def __format__(self, fmt):
+ if len(fmt) != 0:
+ return self.strftime(fmt)
+ return str(self)
+
+ # Timezone functions
+
+ def utcoffset(self):
+ """Return the timezone offset in minutes east of UTC (negative west of
+ UTC)."""
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.utcoffset(None)
+ _check_utc_offset("utcoffset", offset)
+ return offset
+
+ def tzname(self):
+ """Return the timezone name.
+
+ Note that the name is 100% informational -- there's no requirement that
+ it mean anything in particular. For example, "GMT", "UTC", "-500",
+ "-5:00", "EDT", "US/Eastern", "America/New York" are all valid replies.
+ """
+ if self._tzinfo is None:
+ return None
+ name = self._tzinfo.tzname(None)
+ _check_tzname(name)
+ return name
+
+ def dst(self):
+ """Return 0 if DST is not in effect, or the DST offset (in minutes
+ eastward) if DST is in effect.
+
+ This is purely informational; the DST offset has already been added to
+ the UTC offset returned by utcoffset() if applicable, so there's no
+ need to consult dst() unless you're interested in displaying the DST
+ info.
+ """
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.dst(None)
+ _check_utc_offset("dst", offset)
+ return offset
+
+ def replace(self, hour=None, minute=None, second=None, microsecond=None,
+ tzinfo=True):
+ """Return a new time with new values for the specified fields."""
+ if hour is None:
+ hour = self.hour
+ if minute is None:
+ minute = self.minute
+ if second is None:
+ second = self.second
+ if microsecond is None:
+ microsecond = self.microsecond
+ if tzinfo is True:
+ tzinfo = self.tzinfo
+ _check_time_fields(hour, minute, second, microsecond)
+ _check_tzinfo_arg(tzinfo)
+ return time(hour, minute, second, microsecond, tzinfo)
+
+ def __bool__(self):
+ if self.second or self.microsecond:
+ return True
+ offset = self.utcoffset() or timedelta(0)
+ return timedelta(hours=self.hour, minutes=self.minute) != offset
+
+ # Pickle support.
+
+ def _getstate(self):
+ us2, us3 = divmod(self._microsecond, 256)
+ us1, us2 = divmod(us2, 256)
+ basestate = bytes([self._hour, self._minute, self._second,
+ us1, us2, us3])
+ if self._tzinfo is None:
+ return (basestate,)
+ else:
+ return (basestate, self._tzinfo)
+
+ def __setstate(self, string, tzinfo):
+ if len(string) != 6 or string[0] >= 24:
+ raise TypeError("an integer is required")
+ (self._hour, self._minute, self._second,
+ us1, us2, us3) = string
+ self._microsecond = (((us1 << 8) | us2) << 8) | us3
+ if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
+ self._tzinfo = tzinfo
+ else:
+ raise TypeError("bad tzinfo state arg %r" % tzinfo)
+
+ def __reduce__(self):
+ return (time, self._getstate())
+
+_time_class = time # so functions w/ args named "time" can get at the class
+
+time.min = time(0, 0, 0)
+time.max = time(23, 59, 59, 999999)
+time.resolution = timedelta(microseconds=1)
+
+class datetime(date):
+ """datetime(year, month, day[, hour[, minute[, second[, microsecond[,tzinfo]]]]])
+
+ The year, month and day arguments are required. tzinfo may be None, or an
+ instance of a tzinfo subclass. The remaining arguments may be ints or longs.
+ """
+
+ __slots__ = date.__slots__ + (
+ '_hour', '_minute', '_second',
+ '_microsecond', '_tzinfo')
+ def __new__(cls, year, month=None, day=None, hour=0, minute=0, second=0,
+ microsecond=0, tzinfo=None):
+ if isinstance(year, bytes) and len(year) == 10:
+ # Pickle support
+ self = date.__new__(cls, year[:4])
+ self.__setstate(year, month)
+ return self
+ _check_tzinfo_arg(tzinfo)
+ _check_time_fields(hour, minute, second, microsecond)
+ self = date.__new__(cls, year, month, day)
+ self._hour = hour
+ self._minute = minute
+ self._second = second
+ self._microsecond = microsecond
+ self._tzinfo = tzinfo
+ return self
+
+ # Read-only field accessors
+ @property
+ def hour(self):
+ """hour (0-23)"""
+ return self._hour
+
+ @property
+ def minute(self):
+ """minute (0-59)"""
+ return self._minute
+
+ @property
+ def second(self):
+ """second (0-59)"""
+ return self._second
+
+ @property
+ def microsecond(self):
+ """microsecond (0-999999)"""
+ return self._microsecond
+
+ @property
+ def tzinfo(self):
+ """timezone info object"""
+ return self._tzinfo
+
+ @classmethod
+ def fromtimestamp(cls, t, tz=None):
+ """Construct a datetime from a POSIX timestamp (like time.time()).
+
+ A timezone info object may be passed in as well.
+ """
+
+ _check_tzinfo_arg(tz)
+ if tz is None:
+ converter = _time.localtime
+ else:
+ converter = _time.gmtime
+ if 1 - (t % 1.0) < 0.000001:
+ t = float(int(t)) + 1
+ if t < 0:
+ t -= 1
+ y, m, d, hh, mm, ss, weekday, jday, dst = converter(t)
+ us = int((t % 1.0) * 1000000)
+ ss = min(ss, 59) # clamp out leap seconds if the platform has them
+ result = cls(y, m, d, hh, mm, ss, us, tz)
+ if tz is not None:
+ result = tz.fromutc(result)
+ return result
+
+ @classmethod
+ def utcfromtimestamp(cls, t):
+ "Construct a UTC datetime from a POSIX timestamp (like time.time())."
+ if 1 - (t % 1.0) < 0.000001:
+ t = float(int(t)) + 1
+ if t < 0:
+ t -= 1
+ y, m, d, hh, mm, ss, weekday, jday, dst = _time.gmtime(t)
+ us = int((t % 1.0) * 1000000)
+ ss = min(ss, 59) # clamp out leap seconds if the platform has them
+ return cls(y, m, d, hh, mm, ss, us)
+
+ # XXX This is supposed to do better than we *can* do by using time.time(),
+ # XXX if the platform supports a more accurate way. The C implementation
+ # XXX uses gettimeofday on platforms that have it, but that isn't
+ # XXX available from Python. So now() may return different results
+ # XXX across the implementations.
+ @classmethod
+ def now(cls, tz=None):
+ "Construct a datetime from time.time() and optional time zone info."
+ t = _time.time()
+ return cls.fromtimestamp(t, tz)
+
+ @classmethod
+ def utcnow(cls):
+ "Construct a UTC datetime from time.time()."
+ t = _time.time()
+ return cls.utcfromtimestamp(t)
+
+ @classmethod
+ def combine(cls, date, time):
+ "Construct a datetime from a given date and a given time."
+ if not isinstance(date, _date_class):
+ raise TypeError("date argument must be a date instance")
+ if not isinstance(time, _time_class):
+ raise TypeError("time argument must be a time instance")
+ return cls(date.year, date.month, date.day,
+ time.hour, time.minute, time.second, time.microsecond,
+ time.tzinfo)
+
+ def timetuple(self):
+ "Return local time tuple compatible with time.localtime()."
+ dst = self.dst()
+ if dst is None:
+ dst = -1
+ elif dst:
+ dst = 1
+ else:
+ dst = 0
+ return _build_struct_time(self.year, self.month, self.day,
+ self.hour, self.minute, self.second,
+ dst)
+
+ def utctimetuple(self):
+ "Return UTC time tuple compatible with time.gmtime()."
+ offset = self.utcoffset()
+ if offset:
+ self -= offset
+ y, m, d = self.year, self.month, self.day
+ hh, mm, ss = self.hour, self.minute, self.second
+ return _build_struct_time(y, m, d, hh, mm, ss, 0)
+
+ def date(self):
+ "Return the date part."
+ return date(self._year, self._month, self._day)
+
+ def time(self):
+ "Return the time part, with tzinfo None."
+ return time(self.hour, self.minute, self.second, self.microsecond)
+
+ def timetz(self):
+ "Return the time part, with same tzinfo."
+ return time(self.hour, self.minute, self.second, self.microsecond,
+ self._tzinfo)
+
+ def replace(self, year=None, month=None, day=None, hour=None,
+ minute=None, second=None, microsecond=None, tzinfo=True):
+ """Return a new datetime with new values for the specified fields."""
+ if year is None:
+ year = self.year
+ if month is None:
+ month = self.month
+ if day is None:
+ day = self.day
+ if hour is None:
+ hour = self.hour
+ if minute is None:
+ minute = self.minute
+ if second is None:
+ second = self.second
+ if microsecond is None:
+ microsecond = self.microsecond
+ if tzinfo is True:
+ tzinfo = self.tzinfo
+ _check_date_fields(year, month, day)
+ _check_time_fields(hour, minute, second, microsecond)
+ _check_tzinfo_arg(tzinfo)
+ return datetime(year, month, day, hour, minute, second,
+ microsecond, tzinfo)
+
+ def astimezone(self, tz):
+ if not isinstance(tz, tzinfo):
+ raise TypeError("tz argument must be an instance of tzinfo")
+
+ mytz = self.tzinfo
+ if mytz is None:
+ raise ValueError("astimezone() requires an aware datetime")
+
+ if tz is mytz:
+ return self
+
+ # Convert self to UTC, and attach the new time zone object.
+ myoffset = self.utcoffset()
+ if myoffset is None:
+ raise ValueError("astimezone() requires an aware datetime")
+ utc = (self - myoffset).replace(tzinfo=tz)
+
+ # Convert from UTC to tz's local time.
+ return tz.fromutc(utc)
+
+ # Ways to produce a string.
+
+ def ctime(self):
+ "Return ctime() style string."
+ weekday = self.toordinal() % 7 or 7
+ return "%s %s %2d %02d:%02d:%02d %04d" % (
+ _DAYNAMES[weekday],
+ _MONTHNAMES[self._month],
+ self._day,
+ self._hour, self._minute, self._second,
+ self._year)
+
+ def isoformat(self, sep='T'):
+ """Return the time formatted according to ISO.
+
+ This is 'YYYY-MM-DD HH:MM:SS.mmmmmm', or 'YYYY-MM-DD HH:MM:SS' if
+ self.microsecond == 0.
+
+ If self.tzinfo is not None, the UTC offset is also attached, giving
+ 'YYYY-MM-DD HH:MM:SS.mmmmmm+HH:MM' or 'YYYY-MM-DD HH:MM:SS+HH:MM'.
+
+ Optional argument sep specifies the separator between date and
+ time, default 'T'.
+ """
+ s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day,
+ sep) +
+ _format_time(self._hour, self._minute, self._second,
+ self._microsecond))
+ off = self.utcoffset()
+ if off is not None:
+ if off.days < 0:
+ sign = "-"
+ off = -off
+ else:
+ sign = "+"
+ hh, mm = divmod(off, timedelta(hours=1))
+ assert not mm % timedelta(minutes=1), "whole minute"
+ mm //= timedelta(minutes=1)
+ s += "%s%02d:%02d" % (sign, hh, mm)
+ return s
+
+ def __repr__(self):
+ """Convert to formal string, for repr()."""
+ L = [self._year, self._month, self._day, # These are never zero
+ self._hour, self._minute, self._second, self._microsecond]
+ if L[-1] == 0:
+ del L[-1]
+ if L[-1] == 0:
+ del L[-1]
+ s = ", ".join(map(str, L))
+ s = "%s(%s)" % ('datetime.' + self.__class__.__name__, s)
+ if self._tzinfo is not None:
+ assert s[-1:] == ")"
+ s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
+ return s
+
+ def __str__(self):
+ "Convert to string, for str()."
+ return self.isoformat(sep=' ')
+
+ @classmethod
+ def strptime(cls, date_string, format):
+ 'string, format -> new datetime parsed from a string (like time.strptime()).'
+ return _strptime._strptime_datetime(cls, date_string, format)
+
+ def utcoffset(self):
+ """Return the timezone offset in minutes east of UTC (negative west of
+ UTC)."""
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.utcoffset(self)
+ _check_utc_offset("utcoffset", offset)
+ return offset
+
+ def tzname(self):
+ """Return the timezone name.
+
+ Note that the name is 100% informational -- there's no requirement that
+ it mean anything in particular. For example, "GMT", "UTC", "-500",
+ "-5:00", "EDT", "US/Eastern", "America/New York" are all valid replies.
+ """
+ name = _call_tzinfo_method(self._tzinfo, "tzname", self)
+ _check_tzname(name)
+ return name
+
+ def dst(self):
+ """Return 0 if DST is not in effect, or the DST offset (in minutes
+ eastward) if DST is in effect.
+
+ This is purely informational; the DST offset has already been added to
+ the UTC offset returned by utcoffset() if applicable, so there's no
+ need to consult dst() unless you're interested in displaying the DST
+ info.
+ """
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.dst(self)
+ _check_utc_offset("dst", offset)
+ return offset
+
+ # Comparisons of datetime objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) == 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) != 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) <= 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) < 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) >= 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) > 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, datetime)
+ mytz = self._tzinfo
+ ottz = other._tzinfo
+ myoff = otoff = None
+
+ if mytz is ottz:
+ base_compare = True
+ else:
+ if mytz is not None:
+ myoff = self.utcoffset()
+ if ottz is not None:
+ otoff = other.utcoffset()
+ base_compare = myoff == otoff
+
+ if base_compare:
+ return _cmp((self._year, self._month, self._day,
+ self._hour, self._minute, self._second,
+ self._microsecond),
+ (other._year, other._month, other._day,
+ other._hour, other._minute, other._second,
+ other._microsecond))
+ if myoff is None or otoff is None:
+ raise TypeError("cannot compare naive and aware datetimes")
+ # XXX What follows could be done more efficiently...
+ diff = self - other # this will take offsets into account
+ if diff.days < 0:
+ return -1
+ return diff and 1 or 0
+
+ def __add__(self, other):
+ "Add a datetime and a timedelta."
+ if not isinstance(other, timedelta):
+ return NotImplemented
+ delta = timedelta(self.toordinal(),
+ hours=self._hour,
+ minutes=self._minute,
+ seconds=self._second,
+ microseconds=self._microsecond)
+ delta += other
+ hour, rem = divmod(delta.seconds, 3600)
+ minute, second = divmod(rem, 60)
+ if 0 < delta.days <= _MAXORDINAL:
+ return datetime.combine(date.fromordinal(delta.days),
+ time(hour, minute, second,
+ delta.microseconds,
+ tzinfo=self._tzinfo))
+ raise OverflowError("result out of range")
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ "Subtract two datetimes, or a datetime and a timedelta."
+ if not isinstance(other, datetime):
+ if isinstance(other, timedelta):
+ return self + -other
+ return NotImplemented
+
+ days1 = self.toordinal()
+ days2 = other.toordinal()
+ secs1 = self._second + self._minute * 60 + self._hour * 3600
+ secs2 = other._second + other._minute * 60 + other._hour * 3600
+ base = timedelta(days1 - days2,
+ secs1 - secs2,
+ self._microsecond - other._microsecond)
+ if self._tzinfo is other._tzinfo:
+ return base
+ myoff = self.utcoffset()
+ otoff = other.utcoffset()
+ if myoff == otoff:
+ return base
+ if myoff is None or otoff is None:
+ raise TypeError("cannot mix naive and timezone-aware time")
+ return base + otoff - myoff
+
+ def __hash__(self):
+ tzoff = self.utcoffset()
+ if tzoff is None:
+ return hash(self._getstate()[0])
+ days = _ymd2ord(self.year, self.month, self.day)
+ seconds = self.hour * 3600 + self.minute * 60 + self.second
+ return hash(timedelta(days, seconds, self.microsecond) - tzoff)
+
+ # Pickle support.
+
+ def _getstate(self):
+ yhi, ylo = divmod(self._year, 256)
+ us2, us3 = divmod(self._microsecond, 256)
+ us1, us2 = divmod(us2, 256)
+ basestate = bytes([yhi, ylo, self._month, self._day,
+ self._hour, self._minute, self._second,
+ us1, us2, us3])
+ if self._tzinfo is None:
+ return (basestate,)
+ else:
+ return (basestate, self._tzinfo)
+
+ def __setstate(self, string, tzinfo):
+ (yhi, ylo, self._month, self._day, self._hour,
+ self._minute, self._second, us1, us2, us3) = string
+ self._year = yhi * 256 + ylo
+ self._microsecond = (((us1 << 8) | us2) << 8) | us3
+ if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
+ self._tzinfo = tzinfo
+ else:
+ raise TypeError("bad tzinfo state arg %r" % tzinfo)
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+
+datetime.min = datetime(1, 1, 1)
+datetime.max = datetime(9999, 12, 31, 23, 59, 59, 999999)
+datetime.resolution = timedelta(microseconds=1)
+
+
+def _isoweek1monday(year):
+ # Helper to calculate the day number of the Monday starting week 1
+ # XXX This could be done more efficiently
+ THURSDAY = 3
+ firstday = _ymd2ord(year, 1, 1)
+ firstweekday = (firstday + 6) % 7 # See weekday() above
+ week1monday = firstday - firstweekday
+ if firstweekday > THURSDAY:
+ week1monday += 7
+ return week1monday
+
+class timezone(tzinfo):
+ __slots__ = '_offset', '_name'
+
+ # Sentinel value to disallow None
+ _Omitted = object()
+ def __init__(self, offset, name=_Omitted):
+ if name is self._Omitted:
+ name = None
+ elif not isinstance(name, str):
+ raise TypeError("name must be a string")
+ if isinstance(offset, timedelta):
+ if self._minoffset <= offset <= self._maxoffset:
+ if (offset.microseconds != 0 or
+ offset.seconds % 60 != 0):
+ raise ValueError("offset must be whole"
+ " number of minutes")
+ self._offset = offset
+ else:
+ raise ValueError("offset out of range")
+ else:
+ raise TypeError("offset must be timedelta")
+
+ self._name = name
+
+ def __getinitargs__(self):
+ """pickle support"""
+ if self._name is None:
+ return (self._offset,)
+ return (self._offset, self._name)
+
+ def __eq__(self, other):
+ return self._offset == other._offset
+
+ def __hash__(self):
+ return hash(self._offset)
+
+ def __repr__(self):
+ """Convert to formal string, for repr().
+
+ >>> tz = timezone.utc
+ >>> repr(tz)
+ 'datetime.timezone.utc'
+ >>> tz = timezone(timedelta(hours=-5), 'EST')
+ >>> repr(tz)
+ "datetime.timezone(datetime.timedelta(-1, 68400), 'EST')"
+ """
+ if self is self.utc:
+ return 'datetime.timezone.utc'
+ if self._name is None:
+ return "%s(%r)" % ('datetime.' + self.__class__.__name__,
+ self._offset)
+ return "%s(%r, %r)" % ('datetime.' + self.__class__.__name__,
+ self._offset, self._name)
+
+ def __str__(self):
+ return self.tzname(None)
+
+ def utcoffset(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ return self._offset
+ raise TypeError("utcoffset() argument must be a datetime instance"
+ " or None")
+
+ def tzname(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ if self._name is None:
+ return self._name_from_offset(self._offset)
+ return self._name
+ raise TypeError("tzname() argument must be a datetime instance"
+ " or None")
+
+ def dst(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ return None
+ raise TypeError("dst() argument must be a datetime instance"
+ " or None")
+
+ def fromutc(self, dt):
+ if isinstance(dt, datetime):
+ if dt.tzinfo is not self:
+ raise ValueError("fromutc: dt.tzinfo "
+ "is not self")
+ return dt + self._offset
+ raise TypeError("fromutc() argument must be a datetime instance"
+ " or None")
+
+ _maxoffset = timedelta(hours=23, minutes=59)
+ _minoffset = -_maxoffset
+
+ @staticmethod
+ def _name_from_offset(delta):
+ if delta < timedelta(0):
+ sign = '-'
+ delta = -delta
+ else:
+ sign = '+'
+ hours, rest = divmod(delta, timedelta(hours=1))
+ minutes = rest // timedelta(minutes=1)
+ return 'UTC{}{:02d}:{:02d}'.format(sign, hours, minutes)
+
+timezone.utc = timezone(timedelta(0))
+timezone.min = timezone(timezone._minoffset)
+timezone.max = timezone(timezone._maxoffset)
+
+try:
+ from _datetime import *
+except ImportError:
+ pass
+
+import _strptime
+
+"""
+Some time zone algebra. For a datetime x, let
+ x.n = x stripped of its timezone -- its naive time.
+ x.o = x.utcoffset(), and assuming that doesn't raise an exception or
+ return None
+ x.d = x.dst(), and assuming that doesn't raise an exception or
+ return None
+ x.s = x's standard offset, x.o - x.d
+
+Now some derived rules, where k is a duration (timedelta).
+
+1. x.o = x.s + x.d
+ This follows from the definition of x.s.
+
+2. If x and y have the same tzinfo member, x.s = y.s.
+ This is actually a requirement, an assumption we need to make about
+ sane tzinfo classes.
+
+3. The naive UTC time corresponding to x is x.n - x.o.
+ This is again a requirement for a sane tzinfo class.
+
+4. (x+k).s = x.s
+ This follows from #2, and that datimetimetz+timedelta preserves tzinfo.
+
+5. (x+k).n = x.n + k
+ Again follows from how arithmetic is defined.
+
+Now we can explain tz.fromutc(x). Let's assume it's an interesting case
+(meaning that the various tzinfo methods exist, and don't blow up or return
+None when called).
+
+The function wants to return a datetime y with timezone tz, equivalent to x.
+x is already in UTC.
+
+By #3, we want
+
+ y.n - y.o = x.n [1]
+
+The algorithm starts by attaching tz to x.n, and calling that y. So
+x.n = y.n at the start. Then it wants to add a duration k to y, so that [1]
+becomes true; in effect, we want to solve [2] for k:
+
+ (y+k).n - (y+k).o = x.n [2]
+
+By #1, this is the same as
+
+ (y+k).n - ((y+k).s + (y+k).d) = x.n [3]
+
+By #5, (y+k).n = y.n + k, which equals x.n + k because x.n=y.n at the start.
+Substituting that into [3],
+
+ x.n + k - (y+k).s - (y+k).d = x.n; the x.n terms cancel, leaving
+ k - (y+k).s - (y+k).d = 0; rearranging,
+ k = (y+k).s - (y+k).d; by #4, (y+k).s == y.s, so
+ k = y.s - (y+k).d
+
+On the RHS, (y+k).d can't be computed directly, but y.s can be, and we
+approximate k by ignoring the (y+k).d term at first. Note that k can't be
+very large, since all offset-returning methods return a duration of magnitude
+less than 24 hours. For that reason, if y is firmly in std time, (y+k).d must
+be 0, so ignoring it has no consequence then.
+
+In any case, the new value is
+
+ z = y + y.s [4]
+
+It's helpful to step back at look at [4] from a higher level: it's simply
+mapping from UTC to tz's standard time.
+
+At this point, if
+
+ z.n - z.o = x.n [5]
+
+we have an equivalent time, and are almost done. The insecurity here is
+at the start of daylight time. Picture US Eastern for concreteness. The wall
+time jumps from 1:59 to 3:00, and wall hours of the form 2:MM don't make good
+sense then. The docs ask that an Eastern tzinfo class consider such a time to
+be EDT (because it's "after 2"), which is a redundant spelling of 1:MM EST
+on the day DST starts. We want to return the 1:MM EST spelling because that's
+the only spelling that makes sense on the local wall clock.
+
+In fact, if [5] holds at this point, we do have the standard-time spelling,
+but that takes a bit of proof. We first prove a stronger result. What's the
+difference between the LHS and RHS of [5]? Let
+
+ diff = x.n - (z.n - z.o) [6]
+
+Now
+ z.n = by [4]
+ (y + y.s).n = by #5
+ y.n + y.s = since y.n = x.n
+ x.n + y.s = since z and y are have the same tzinfo member,
+ y.s = z.s by #2
+ x.n + z.s
+
+Plugging that back into [6] gives
+
+ diff =
+ x.n - ((x.n + z.s) - z.o) = expanding
+ x.n - x.n - z.s + z.o = cancelling
+ - z.s + z.o = by #2
+ z.d
+
+So diff = z.d.
+
+If [5] is true now, diff = 0, so z.d = 0 too, and we have the standard-time
+spelling we wanted in the endcase described above. We're done. Contrarily,
+if z.d = 0, then we have a UTC equivalent, and are also done.
+
+If [5] is not true now, diff = z.d != 0, and z.d is the offset we need to
+add to z (in effect, z is in tz's standard time, and we need to shift the
+local clock into tz's daylight time).
+
+Let
+
+ z' = z + z.d = z + diff [7]
+
+and we can again ask whether
+
+ z'.n - z'.o = x.n [8]
+
+If so, we're done. If not, the tzinfo class is insane, according to the
+assumptions we've made. This also requires a bit of proof. As before, let's
+compute the difference between the LHS and RHS of [8] (and skipping some of
+the justifications for the kinds of substitutions we've done several times
+already):
+
+ diff' = x.n - (z'.n - z'.o) = replacing z'.n via [7]
+ x.n - (z.n + diff - z'.o) = replacing diff via [6]
+ x.n - (z.n + x.n - (z.n - z.o) - z'.o) =
+ x.n - z.n - x.n + z.n - z.o + z'.o = cancel x.n
+ - z.n + z.n - z.o + z'.o = cancel z.n
+ - z.o + z'.o = #1 twice
+ -z.s - z.d + z'.s + z'.d = z and z' have same tzinfo
+ z'.d - z.d
+
+So z' is UTC-equivalent to x iff z'.d = z.d at this point. If they are equal,
+we've found the UTC-equivalent so are done. In fact, we stop with [7] and
+return z', not bothering to compute z'.d.
+
+How could z.d and z'd differ? z' = z + z.d [7], so merely moving z' by
+a dst() offset, and starting *from* a time already in DST (we know z.d != 0),
+would have to change the result dst() returns: we start in DST, and moving
+a little further into it takes us out of DST.
+
+There isn't a sane case where this can happen. The closest it gets is at
+the end of DST, where there's an hour in UTC with no spelling in a hybrid
+tzinfo class. In US Eastern, that's 5:MM UTC = 0:MM EST = 1:MM EDT. During
+that hour, on an Eastern clock 1:MM is taken as being in standard time (6:MM
+UTC) because the docs insist on that, but 0:MM is taken as being in daylight
+time (4:MM UTC). There is no local time mapping to 5:MM UTC. The local
+clock jumps from 1:59 back to 1:00 again, and repeats the 1:MM hour in
+standard time. Since that's what the local clock *does*, we want to map both
+UTC hours 5:MM and 6:MM to 1:MM Eastern. The result is ambiguous
+in local time, but so it goes -- it's the way the local clock works.
+
+When x = 5:MM UTC is the input to this algorithm, x.o=0, y.o=-5 and y.d=0,
+so z=0:MM. z.d=60 (minutes) then, so [5] doesn't hold and we keep going.
+z' = z + z.d = 1:MM then, and z'.d=0, and z'.d - z.d = -60 != 0 so [8]
+(correctly) concludes that z' is not UTC-equivalent to x.
+
+Because we know z.d said z was in daylight time (else [5] would have held and
+we would have stopped then), and we know z.d != z'.d (else [8] would have held
+and we we have stopped then), and there are only 2 possible values dst() can
+return in Eastern, it follows that z'.d must be 0 (which it is in the example,
+but the reasoning doesn't depend on the example -- it depends on there being
+two possible dst() outcomes, one zero and the other non-zero). Therefore
+z' must be in standard time, and is the spelling we want in this case.
+
+Note again that z' is not UTC-equivalent as far as the hybrid tzinfo class is
+concerned (because it takes z' as being in standard time rather than the
+daylight time we intend here), but returning it gives the real-life "local
+clock repeats an hour" behavior when mapping the "unspellable" UTC hour into
+tz.
+
+When the input is 6:MM, z=1:MM and z.d=0, and we stop at once, again with
+the 1:MM standard time spelling we want.
+
+So how can this break? One of the assumptions must be violated. Two
+possibilities:
+
+1) [2] effectively says that y.s is invariant across all y belong to a given
+ time zone. This isn't true if, for political reasons or continental drift,
+ a region decides to change its base offset from UTC.
+
+2) There may be versions of "double daylight" time where the tail end of
+ the analysis gives up a step too early. I haven't thought about that
+ enough to say.
+
+In any case, it's clear that the default fromutc() is strong enough to handle
+"almost all" time zones: so long as the standard offset is invariant, it
+doesn't matter if daylight time transition points change from year to year, or
+if daylight time is skipped in some years; it doesn't matter how large or
+small dst() may get within its bounds; and it doesn't even matter if some
+perverse time zone returns a negative dst()). So a breaking case must be
+pretty bizarre, and a tzinfo subclass can override fromutc() if it is.
+"""
Index: Lib/test/datetimetester.py
===================================================================
--- Lib/test/datetimetester.py (revision 82659)
+++ Lib/test/datetimetester.py (working copy)
@@ -11,6 +11,7 @@
from test import support
+import datetime as datetime_module
from datetime import MINYEAR, MAXYEAR
from datetime import timedelta
from datetime import tzinfo
@@ -44,7 +45,7 @@
class TestModule(unittest.TestCase):
def test_constants(self):
- import datetime
+ datetime = datetime_module
self.assertEqual(datetime.MINYEAR, 1)
self.assertEqual(datetime.MAXYEAR, 9999)
@@ -154,7 +155,7 @@
self.assertEqual(str(tz), tz.tzname(None))
def test_repr(self):
- import datetime
+ datetime = datetime_module
for tz in [self.ACDT, self.EST, timezone.utc,
timezone.min, timezone.max]:
# test round-trip
Index: Lib/test/test_datetime.py
===================================================================
--- Lib/test/test_datetime.py (revision 82847)
+++ Lib/test/test_datetime.py (working copy)
@@ -1,3668 +1,36 @@
-"""Test date/time type.
-
-See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases
-"""
-
-import sys
-import pickle
import unittest
+import sys
+from test.support import import_fresh_module, run_unittest
+TESTS = 'test.datetimetester'
+pure_tests = import_fresh_module(TESTS, fresh=['datetime', '_strptime'],
+ blocked=['_datetime'])
+fast_tests = import_fresh_module(TESTS, fresh=['datetime',
+ '_datetime', '_strptime'])
-from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod
+test_modules = [pure_tests, fast_tests]
+test_suffixes = ["_Pure", "_Fast"]
-from test import support
+for module, suffix in zip(test_modules, test_suffixes):
+ for name, cls in module.__dict__.items():
+ if isinstance(cls, type) and issubclass(cls, unittest.TestCase):
+ name += suffix
+ cls.__name__ = name
+ globals()[name] = cls
+ def setUp(self, module=module, setup=cls.setUp):
+ self._save_sys_modules = sys.modules.copy()
+ sys.modules[TESTS] = module
+ sys.modules['datetime'] = module.datetime_module
+ sys.modules['_strptime'] = module.datetime_module._strptime
+ setup(self)
+ def tearDown(self, teardown=cls.tearDown):
+ teardown(self)
+ sys.modules.__init__(self._save_sys_modules)
+ cls.setUp = setUp
+ cls.tearDown = tearDown
-from datetime import MINYEAR, MAXYEAR
-from datetime import timedelta
-from datetime import tzinfo
-from datetime import time
-from datetime import timezone
-from datetime import date, datetime
-import time as _time
-
-pickle_choices = [(pickle, pickle, proto)
- for proto in range(pickle.HIGHEST_PROTOCOL + 1)]
-assert len(pickle_choices) == pickle.HIGHEST_PROTOCOL + 1
-
-# An arbitrary collection of objects of non-datetime types, for testing
-# mixed-type comparisons.
-OTHERSTUFF = (10, 34.5, "abc", {}, [], ())
-
-
-# XXX Copied from test_float.
-INF = float("inf")
-NAN = float("nan")
-
-# decorator for skipping tests on non-IEEE 754 platforms
-requires_IEEE_754 = unittest.skipUnless(
- float.__getformat__("double").startswith("IEEE"),
- "test requires IEEE 754 doubles")
-
-
-#############################################################################
-# module tests
-
-class TestModule(unittest.TestCase):
-
- def test_constants(self):
- import datetime
- self.assertEqual(datetime.MINYEAR, 1)
- self.assertEqual(datetime.MAXYEAR, 9999)
-
-#############################################################################
-# tzinfo tests
-
-class FixedOffset(tzinfo):
-
- def __init__(self, offset, name, dstoffset=42):
- if isinstance(offset, int):
- offset = timedelta(minutes=offset)
- if isinstance(dstoffset, int):
- dstoffset = timedelta(minutes=dstoffset)
- self.__offset = offset
- self.__name = name
- self.__dstoffset = dstoffset
- def __repr__(self):
- return self.__name.lower()
- def utcoffset(self, dt):
- return self.__offset
- def tzname(self, dt):
- return self.__name
- def dst(self, dt):
- return self.__dstoffset
-
-class PicklableFixedOffset(FixedOffset):
-
- def __init__(self, offset=None, name=None, dstoffset=None):
- FixedOffset.__init__(self, offset, name, dstoffset)
-
-class TestTZInfo(unittest.TestCase):
-
- def test_non_abstractness(self):
- # In order to allow subclasses to get pickled, the C implementation
- # wasn't able to get away with having __init__ raise
- # NotImplementedError.
- useless = tzinfo()
- dt = datetime.max
- self.assertRaises(NotImplementedError, useless.tzname, dt)
- self.assertRaises(NotImplementedError, useless.utcoffset, dt)
- self.assertRaises(NotImplementedError, useless.dst, dt)
-
- def test_subclass_must_override(self):
- class NotEnough(tzinfo):
- def __init__(self, offset, name):
- self.__offset = offset
- self.__name = name
- self.assertTrue(issubclass(NotEnough, tzinfo))
- ne = NotEnough(3, "NotByALongShot")
- self.assertIsInstance(ne, tzinfo)
-
- dt = datetime.now()
- self.assertRaises(NotImplementedError, ne.tzname, dt)
- self.assertRaises(NotImplementedError, ne.utcoffset, dt)
- self.assertRaises(NotImplementedError, ne.dst, dt)
-
- def test_normal(self):
- fo = FixedOffset(3, "Three")
- self.assertIsInstance(fo, tzinfo)
- for dt in datetime.now(), None:
- self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3))
- self.assertEqual(fo.tzname(dt), "Three")
- self.assertEqual(fo.dst(dt), timedelta(minutes=42))
-
- def test_pickling_base(self):
- # There's no point to pickling tzinfo objects on their own (they
- # carry no data), but they need to be picklable anyway else
- # concrete subclasses can't be pickled.
- orig = tzinfo.__new__(tzinfo)
- self.assertTrue(type(orig) is tzinfo)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertTrue(type(derived) is tzinfo)
-
- def test_pickling_subclass(self):
- # Make sure we can pickle/unpickle an instance of a subclass.
- offset = timedelta(minutes=-300)
- for otype, args in [
- (PicklableFixedOffset, (offset, 'cookie')),
- (timezone, (offset,)),
- (timezone, (offset, "EST"))]:
- orig = otype(*args)
- oname = orig.tzname(None)
- self.assertIsInstance(orig, tzinfo)
- self.assertIs(type(orig), otype)
- self.assertEqual(orig.utcoffset(None), offset)
- self.assertEqual(orig.tzname(None), oname)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertIsInstance(derived, tzinfo)
- self.assertIs(type(derived), otype)
- self.assertEqual(derived.utcoffset(None), offset)
- self.assertEqual(derived.tzname(None), oname)
-
-class TestTimeZone(unittest.TestCase):
-
- def setUp(self):
- self.ACDT = timezone(timedelta(hours=9.5), 'ACDT')
- self.EST = timezone(-timedelta(hours=5), 'EST')
- self.DT = datetime(2010, 1, 1)
-
- def test_str(self):
- for tz in [self.ACDT, self.EST, timezone.utc,
- timezone.min, timezone.max]:
- self.assertEqual(str(tz), tz.tzname(None))
-
- def test_repr(self):
- import datetime
- for tz in [self.ACDT, self.EST, timezone.utc,
- timezone.min, timezone.max]:
- # test round-trip
- tzrep = repr(tz)
- self.assertEqual(tz, eval(tzrep))
-
-
- def test_class_members(self):
- limit = timedelta(hours=23, minutes=59)
- self.assertEqual(timezone.utc.utcoffset(None), ZERO)
- self.assertEqual(timezone.min.utcoffset(None), -limit)
- self.assertEqual(timezone.max.utcoffset(None), limit)
-
-
- def test_constructor(self):
- self.assertEqual(timezone.utc, timezone(timedelta(0)))
- # invalid offsets
- for invalid in [timedelta(microseconds=1), timedelta(1, 1),
- timedelta(seconds=1), timedelta(1), -timedelta(1)]:
- self.assertRaises(ValueError, timezone, invalid)
- self.assertRaises(ValueError, timezone, -invalid)
-
- with self.assertRaises(TypeError): timezone(None)
- with self.assertRaises(TypeError): timezone(42)
- with self.assertRaises(TypeError): timezone(ZERO, None)
- with self.assertRaises(TypeError): timezone(ZERO, 42)
- with self.assertRaises(TypeError): timezone(ZERO, 'ABC', 'extra')
-
- def test_inheritance(self):
- self.assertIsInstance(timezone.utc, tzinfo)
- self.assertIsInstance(self.EST, tzinfo)
-
- def test_utcoffset(self):
- dummy = self.DT
- for h in [0, 1.5, 12]:
- offset = h * HOUR
- self.assertEqual(offset, timezone(offset).utcoffset(dummy))
- self.assertEqual(-offset, timezone(-offset).utcoffset(dummy))
-
- with self.assertRaises(TypeError): self.EST.utcoffset('')
- with self.assertRaises(TypeError): self.EST.utcoffset(5)
-
-
- def test_dst(self):
- self.assertEqual(None, timezone.utc.dst(self.DT))
-
- with self.assertRaises(TypeError): self.EST.dst('')
- with self.assertRaises(TypeError): self.EST.dst(5)
-
- def test_tzname(self):
- self.assertEqual('UTC+00:00', timezone(ZERO).tzname(None))
- self.assertEqual('UTC-05:00', timezone(-5 * HOUR).tzname(None))
- self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None))
- self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None))
- self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None))
-
- with self.assertRaises(TypeError): self.EST.tzname('')
- with self.assertRaises(TypeError): self.EST.tzname(5)
-
- def test_fromutc(self):
- with self.assertRaises(ValueError):
- timezone.utc.fromutc(self.DT)
- with self.assertRaises(TypeError):
- timezone.utc.fromutc('not datetime')
- for tz in [self.EST, self.ACDT, Eastern]:
- utctime = self.DT.replace(tzinfo=tz)
- local = tz.fromutc(utctime)
- self.assertEqual(local - utctime, tz.utcoffset(local))
- self.assertEqual(local,
- self.DT.replace(tzinfo=timezone.utc))
-
- def test_comparison(self):
- self.assertNotEqual(timezone(ZERO), timezone(HOUR))
- self.assertEqual(timezone(HOUR), timezone(HOUR))
- self.assertEqual(timezone(-5 * HOUR), timezone(-5 * HOUR, 'EST'))
- with self.assertRaises(TypeError): timezone(ZERO) < timezone(ZERO)
- self.assertIn(timezone(ZERO), {timezone(ZERO)})
-
- def test_aware_datetime(self):
- # test that timezone instances can be used by datetime
- t = datetime(1, 1, 1)
- for tz in [timezone.min, timezone.max, timezone.utc]:
- self.assertEqual(tz.tzname(t),
- t.replace(tzinfo=tz).tzname())
- self.assertEqual(tz.utcoffset(t),
- t.replace(tzinfo=tz).utcoffset())
- self.assertEqual(tz.dst(t),
- t.replace(tzinfo=tz).dst())
-
-#############################################################################
-# Base clase for testing a particular aspect of timedelta, time, date and
-# datetime comparisons.
-
-class HarmlessMixedComparison:
- # Test that __eq__ and __ne__ don't complain for mixed-type comparisons.
-
- # Subclasses must define 'theclass', and theclass(1, 1, 1) must be a
- # legit constructor.
-
- def test_harmless_mixed_comparison(self):
- me = self.theclass(1, 1, 1)
-
- self.assertFalse(me == ())
- self.assertTrue(me != ())
- self.assertFalse(() == me)
- self.assertTrue(() != me)
-
- self.assertIn(me, [1, 20, [], me])
- self.assertIn([], [me, 1, 20, []])
-
- def test_harmful_mixed_comparison(self):
- me = self.theclass(1, 1, 1)
-
- self.assertRaises(TypeError, lambda: me < ())
- self.assertRaises(TypeError, lambda: me <= ())
- self.assertRaises(TypeError, lambda: me > ())
- self.assertRaises(TypeError, lambda: me >= ())
-
- self.assertRaises(TypeError, lambda: () < me)
- self.assertRaises(TypeError, lambda: () <= me)
- self.assertRaises(TypeError, lambda: () > me)
- self.assertRaises(TypeError, lambda: () >= me)
-
-#############################################################################
-# timedelta tests
-
-class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
-
- theclass = timedelta
-
- def test_constructor(self):
- eq = self.assertEqual
- td = timedelta
-
- # Check keyword args to constructor
- eq(td(), td(weeks=0, days=0, hours=0, minutes=0, seconds=0,
- milliseconds=0, microseconds=0))
- eq(td(1), td(days=1))
- eq(td(0, 1), td(seconds=1))
- eq(td(0, 0, 1), td(microseconds=1))
- eq(td(weeks=1), td(days=7))
- eq(td(days=1), td(hours=24))
- eq(td(hours=1), td(minutes=60))
- eq(td(minutes=1), td(seconds=60))
- eq(td(seconds=1), td(milliseconds=1000))
- eq(td(milliseconds=1), td(microseconds=1000))
-
- # Check float args to constructor
- eq(td(weeks=1.0/7), td(days=1))
- eq(td(days=1.0/24), td(hours=1))
- eq(td(hours=1.0/60), td(minutes=1))
- eq(td(minutes=1.0/60), td(seconds=1))
- eq(td(seconds=0.001), td(milliseconds=1))
- eq(td(milliseconds=0.001), td(microseconds=1))
-
- def test_computations(self):
- eq = self.assertEqual
- td = timedelta
-
- a = td(7) # One week
- b = td(0, 60) # One minute
- c = td(0, 0, 1000) # One millisecond
- eq(a+b+c, td(7, 60, 1000))
- eq(a-b, td(6, 24*3600 - 60))
- eq(b.__rsub__(a), td(6, 24*3600 - 60))
- eq(-a, td(-7))
- eq(+a, td(7))
- eq(-b, td(-1, 24*3600 - 60))
- eq(-c, td(-1, 24*3600 - 1, 999000))
- eq(abs(a), a)
- eq(abs(-a), a)
- eq(td(6, 24*3600), a)
- eq(td(0, 0, 60*1000000), b)
- eq(a*10, td(70))
- eq(a*10, 10*a)
- eq(a*10, 10*a)
- eq(b*10, td(0, 600))
- eq(10*b, td(0, 600))
- eq(b*10, td(0, 600))
- eq(c*10, td(0, 0, 10000))
- eq(10*c, td(0, 0, 10000))
- eq(c*10, td(0, 0, 10000))
- eq(a*-1, -a)
- eq(b*-2, -b-b)
- eq(c*-2, -c+-c)
- eq(b*(60*24), (b*60)*24)
- eq(b*(60*24), (60*b)*24)
- eq(c*1000, td(0, 1))
- eq(1000*c, td(0, 1))
- eq(a//7, td(1))
- eq(b//10, td(0, 6))
- eq(c//1000, td(0, 0, 1))
- eq(a//10, td(0, 7*24*360))
- eq(a//3600000, td(0, 0, 7*24*1000))
- eq(a/0.5, td(14))
- eq(b/0.5, td(0, 120))
- eq(a/7, td(1))
- eq(b/10, td(0, 6))
- eq(c/1000, td(0, 0, 1))
- eq(a/10, td(0, 7*24*360))
- eq(a/3600000, td(0, 0, 7*24*1000))
-
- # Multiplication by float
- us = td(microseconds=1)
- eq((3*us) * 0.5, 2*us)
- eq((5*us) * 0.5, 2*us)
- eq(0.5 * (3*us), 2*us)
- eq(0.5 * (5*us), 2*us)
- eq((-3*us) * 0.5, -2*us)
- eq((-5*us) * 0.5, -2*us)
-
- # Division by int and float
- eq((3*us) / 2, 2*us)
- eq((5*us) / 2, 2*us)
- eq((-3*us) / 2.0, -2*us)
- eq((-5*us) / 2.0, -2*us)
- eq((3*us) / -2, -2*us)
- eq((5*us) / -2, -2*us)
- eq((3*us) / -2.0, -2*us)
- eq((5*us) / -2.0, -2*us)
- for i in range(-10, 10):
- eq((i*us/3)//us, round(i/3))
- for i in range(-10, 10):
- eq((i*us/-3)//us, round(i/-3))
-
- def test_disallowed_computations(self):
- a = timedelta(42)
-
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # Division of int by timedelta doesn't make sense.
- # Division by zero doesn't make sense.
- zero = 0
- self.assertRaises(TypeError, lambda: zero // a)
- self.assertRaises(ZeroDivisionError, lambda: a // zero)
- self.assertRaises(ZeroDivisionError, lambda: a / zero)
- self.assertRaises(ZeroDivisionError, lambda: a / 0.0)
- self.assertRaises(TypeError, lambda: a / '')
-
- @requires_IEEE_754
- def test_disallowed_special(self):
- a = timedelta(42)
- self.assertRaises(ValueError, a.__mul__, NAN)
- self.assertRaises(ValueError, a.__truediv__, NAN)
-
- def test_basic_attributes(self):
- days, seconds, us = 1, 7, 31
- td = timedelta(days, seconds, us)
- self.assertEqual(td.days, days)
- self.assertEqual(td.seconds, seconds)
- self.assertEqual(td.microseconds, us)
-
- def test_total_seconds(self):
- td = timedelta(days=365)
- self.assertEqual(td.total_seconds(), 31536000.0)
- for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]:
- td = timedelta(seconds=total_seconds)
- self.assertEqual(td.total_seconds(), total_seconds)
- # Issue8644: Test that td.total_seconds() has the same
- # accuracy as td / timedelta(seconds=1).
- for ms in [-1, -2, -123]:
- td = timedelta(microseconds=ms)
- self.assertEqual(td.total_seconds(), td / timedelta(seconds=1))
-
- def test_carries(self):
- t1 = timedelta(days=100,
- weeks=-7,
- hours=-24*(100-49),
- minutes=-3,
- seconds=12,
- microseconds=(3*60 - 12) * 1e6 + 1)
- t2 = timedelta(microseconds=1)
- self.assertEqual(t1, t2)
-
- def test_hash_equality(self):
- t1 = timedelta(days=100,
- weeks=-7,
- hours=-24*(100-49),
- minutes=-3,
- seconds=12,
- microseconds=(3*60 - 12) * 1000000)
- t2 = timedelta()
- self.assertEqual(hash(t1), hash(t2))
-
- t1 += timedelta(weeks=7)
- t2 += timedelta(days=7*7)
- self.assertEqual(t1, t2)
- self.assertEqual(hash(t1), hash(t2))
-
- d = {t1: 1}
- d[t2] = 2
- self.assertEqual(len(d), 1)
- self.assertEqual(d[t1], 2)
-
- def test_pickling(self):
- args = 12, 34, 56
- orig = timedelta(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_compare(self):
- t1 = timedelta(2, 3, 4)
- t2 = timedelta(2, 3, 4)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
- t2 = timedelta(*args) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 <= badarg)
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_str(self):
- td = timedelta
- eq = self.assertEqual
-
- eq(str(td(1)), "1 day, 0:00:00")
- eq(str(td(-1)), "-1 day, 0:00:00")
- eq(str(td(2)), "2 days, 0:00:00")
- eq(str(td(-2)), "-2 days, 0:00:00")
-
- eq(str(td(hours=12, minutes=58, seconds=59)), "12:58:59")
- eq(str(td(hours=2, minutes=3, seconds=4)), "2:03:04")
- eq(str(td(weeks=-30, hours=23, minutes=12, seconds=34)),
- "-210 days, 23:12:34")
-
- eq(str(td(milliseconds=1)), "0:00:00.001000")
- eq(str(td(microseconds=3)), "0:00:00.000003")
-
- eq(str(td(days=999999999, hours=23, minutes=59, seconds=59,
- microseconds=999999)),
- "999999999 days, 23:59:59.999999")
-
- def test_repr(self):
- name = 'datetime.' + self.theclass.__name__
- self.assertEqual(repr(self.theclass(1)),
- "%s(1)" % name)
- self.assertEqual(repr(self.theclass(10, 2)),
- "%s(10, 2)" % name)
- self.assertEqual(repr(self.theclass(-10, 2, 400000)),
- "%s(-10, 2, 400000)" % name)
-
- def test_roundtrip(self):
- for td in (timedelta(days=999999999, hours=23, minutes=59,
- seconds=59, microseconds=999999),
- timedelta(days=-999999999),
- timedelta(days=-999999999, seconds=1),
- timedelta(days=1, seconds=2, microseconds=3)):
-
- # Verify td -> string -> td identity.
- s = repr(td)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- td2 = eval(s)
- self.assertEqual(td, td2)
-
- # Verify identity via reconstructing from pieces.
- td2 = timedelta(td.days, td.seconds, td.microseconds)
- self.assertEqual(td, td2)
-
- def test_resolution_info(self):
- self.assertIsInstance(timedelta.min, timedelta)
- self.assertIsInstance(timedelta.max, timedelta)
- self.assertIsInstance(timedelta.resolution, timedelta)
- self.assertTrue(timedelta.max > timedelta.min)
- self.assertEqual(timedelta.min, timedelta(-999999999))
- self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
- self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
-
- def test_overflow(self):
- tiny = timedelta.resolution
-
- td = timedelta.min + tiny
- td -= tiny # no problem
- self.assertRaises(OverflowError, td.__sub__, tiny)
- self.assertRaises(OverflowError, td.__add__, -tiny)
-
- td = timedelta.max - tiny
- td += tiny # no problem
- self.assertRaises(OverflowError, td.__add__, tiny)
- self.assertRaises(OverflowError, td.__sub__, -tiny)
-
- self.assertRaises(OverflowError, lambda: -timedelta.max)
-
- day = timedelta(1)
- self.assertRaises(OverflowError, day.__mul__, 10**9)
- self.assertRaises(OverflowError, day.__mul__, 1e9)
- self.assertRaises(OverflowError, day.__truediv__, 1e-20)
- self.assertRaises(OverflowError, day.__truediv__, 1e-10)
- self.assertRaises(OverflowError, day.__truediv__, 9e-10)
-
- @requires_IEEE_754
- def _test_overflow_special(self):
- day = timedelta(1)
- self.assertRaises(OverflowError, day.__mul__, INF)
- self.assertRaises(OverflowError, day.__mul__, -INF)
-
- def test_microsecond_rounding(self):
- td = timedelta
- eq = self.assertEqual
-
- # Single-field rounding.
- eq(td(milliseconds=0.4/1000), td(0)) # rounds to 0
- eq(td(milliseconds=-0.4/1000), td(0)) # rounds to 0
- eq(td(milliseconds=0.6/1000), td(microseconds=1))
- eq(td(milliseconds=-0.6/1000), td(microseconds=-1))
-
- # Rounding due to contributions from more than one field.
- us_per_hour = 3600e6
- us_per_day = us_per_hour * 24
- eq(td(days=.4/us_per_day), td(0))
- eq(td(hours=.2/us_per_hour), td(0))
- eq(td(days=.4/us_per_day, hours=.2/us_per_hour), td(microseconds=1))
-
- eq(td(days=-.4/us_per_day), td(0))
- eq(td(hours=-.2/us_per_hour), td(0))
- eq(td(days=-.4/us_per_day, hours=-.2/us_per_hour), td(microseconds=-1))
-
- def test_massive_normalization(self):
- td = timedelta(microseconds=-1)
- self.assertEqual((td.days, td.seconds, td.microseconds),
- (-1, 24*3600-1, 999999))
-
- def test_bool(self):
- self.assertTrue(timedelta(1))
- self.assertTrue(timedelta(0, 1))
- self.assertTrue(timedelta(0, 0, 1))
- self.assertTrue(timedelta(microseconds=1))
- self.assertTrue(not timedelta(0))
-
- def test_subclass_timedelta(self):
-
- class T(timedelta):
- @staticmethod
- def from_td(td):
- return T(td.days, td.seconds, td.microseconds)
-
- def as_hours(self):
- sum = (self.days * 24 +
- self.seconds / 3600.0 +
- self.microseconds / 3600e6)
- return round(sum)
-
- t1 = T(days=1)
- self.assertTrue(type(t1) is T)
- self.assertEqual(t1.as_hours(), 24)
-
- t2 = T(days=-1, seconds=-3600)
- self.assertTrue(type(t2) is T)
- self.assertEqual(t2.as_hours(), -25)
-
- t3 = t1 + t2
- self.assertTrue(type(t3) is timedelta)
- t4 = T.from_td(t3)
- self.assertTrue(type(t4) is T)
- self.assertEqual(t3.days, t4.days)
- self.assertEqual(t3.seconds, t4.seconds)
- self.assertEqual(t3.microseconds, t4.microseconds)
- self.assertEqual(str(t3), str(t4))
- self.assertEqual(t4.as_hours(), -1)
-
- def test_division(self):
- t = timedelta(hours=1, minutes=24, seconds=19)
- second = timedelta(seconds=1)
- self.assertEqual(t / second, 5059.0)
- self.assertEqual(t // second, 5059)
-
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- self.assertEqual(t / minute, 2.5)
- self.assertEqual(t // minute, 2)
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, truediv, t, zerotd)
- self.assertRaises(ZeroDivisionError, floordiv, t, zerotd)
-
- # self.assertRaises(TypeError, truediv, t, 2)
- # note: floor division of a timedelta by an integer *is*
- # currently permitted.
-
- def test_remainder(self):
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- r = t % minute
- self.assertEqual(r, timedelta(seconds=30))
-
- t = timedelta(minutes=-2, seconds=30)
- r = t % minute
- self.assertEqual(r, timedelta(seconds=30))
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, mod, t, zerotd)
-
- self.assertRaises(TypeError, mod, t, 10)
-
- def test_divmod(self):
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- q, r = divmod(t, minute)
- self.assertEqual(q, 2)
- self.assertEqual(r, timedelta(seconds=30))
-
- t = timedelta(minutes=-2, seconds=30)
- q, r = divmod(t, minute)
- self.assertEqual(q, -2)
- self.assertEqual(r, timedelta(seconds=30))
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, divmod, t, zerotd)
-
- self.assertRaises(TypeError, divmod, t, 10)
-
-
-#############################################################################
-# date tests
-
-class TestDateOnly(unittest.TestCase):
- # Tests here won't pass if also run on datetime objects, so don't
- # subclass this to test datetimes too.
-
- def test_delta_non_days_ignored(self):
- dt = date(2000, 1, 2)
- delta = timedelta(days=1, hours=2, minutes=3, seconds=4,
- microseconds=5)
- days = timedelta(delta.days)
- self.assertEqual(days, timedelta(1))
-
- dt2 = dt + delta
- self.assertEqual(dt2, dt + days)
-
- dt2 = delta + dt
- self.assertEqual(dt2, dt + days)
-
- dt2 = dt - delta
- self.assertEqual(dt2, dt - days)
-
- delta = -delta
- days = timedelta(delta.days)
- self.assertEqual(days, timedelta(-2))
-
- dt2 = dt + delta
- self.assertEqual(dt2, dt + days)
-
- dt2 = delta + dt
- self.assertEqual(dt2, dt + days)
-
- dt2 = dt - delta
- self.assertEqual(dt2, dt - days)
-
-class SubclassDate(date):
- sub_var = 1
-
-class TestDate(HarmlessMixedComparison, unittest.TestCase):
- # Tests here should pass for both dates and datetimes, except for a
- # few tests that TestDateTime overrides.
-
- theclass = date
-
- def test_basic_attributes(self):
- dt = self.theclass(2002, 3, 1)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
-
- def test_roundtrip(self):
- for dt in (self.theclass(1, 2, 3),
- self.theclass.today()):
- # Verify dt -> string -> date identity.
- s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- dt2 = eval(s)
- self.assertEqual(dt, dt2)
-
- # Verify identity via reconstructing from pieces.
- dt2 = self.theclass(dt.year, dt.month, dt.day)
- self.assertEqual(dt, dt2)
-
- def test_ordinal_conversions(self):
- # Check some fixed values.
- for y, m, d, n in [(1, 1, 1, 1), # calendar origin
- (1, 12, 31, 365),
- (2, 1, 1, 366),
- # first example from "Calendrical Calculations"
- (1945, 11, 12, 710347)]:
- d = self.theclass(y, m, d)
- self.assertEqual(n, d.toordinal())
- fromord = self.theclass.fromordinal(n)
- self.assertEqual(d, fromord)
- if hasattr(fromord, "hour"):
- # if we're checking something fancier than a date, verify
- # the extra fields have been zeroed out
- self.assertEqual(fromord.hour, 0)
- self.assertEqual(fromord.minute, 0)
- self.assertEqual(fromord.second, 0)
- self.assertEqual(fromord.microsecond, 0)
-
- # Check first and last days of year spottily across the whole
- # range of years supported.
- for year in range(MINYEAR, MAXYEAR+1, 7):
- # Verify (year, 1, 1) -> ordinal -> y, m, d is identity.
- d = self.theclass(year, 1, 1)
- n = d.toordinal()
- d2 = self.theclass.fromordinal(n)
- self.assertEqual(d, d2)
- # Verify that moving back a day gets to the end of year-1.
- if year > 1:
- d = self.theclass.fromordinal(n-1)
- d2 = self.theclass(year-1, 12, 31)
- self.assertEqual(d, d2)
- self.assertEqual(d2.toordinal(), n-1)
-
- # Test every day in a leap-year and a non-leap year.
- dim = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
- for year, isleap in (2000, True), (2002, False):
- n = self.theclass(year, 1, 1).toordinal()
- for month, maxday in zip(range(1, 13), dim):
- if month == 2 and isleap:
- maxday += 1
- for day in range(1, maxday+1):
- d = self.theclass(year, month, day)
- self.assertEqual(d.toordinal(), n)
- self.assertEqual(d, self.theclass.fromordinal(n))
- n += 1
-
- def test_extreme_ordinals(self):
- a = self.theclass.min
- a = self.theclass(a.year, a.month, a.day) # get rid of time parts
- aord = a.toordinal()
- b = a.fromordinal(aord)
- self.assertEqual(a, b)
-
- self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))
-
- b = a + timedelta(days=1)
- self.assertEqual(b.toordinal(), aord + 1)
- self.assertEqual(b, self.theclass.fromordinal(aord + 1))
-
- a = self.theclass.max
- a = self.theclass(a.year, a.month, a.day) # get rid of time parts
- aord = a.toordinal()
- b = a.fromordinal(aord)
- self.assertEqual(a, b)
-
- self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))
-
- b = a - timedelta(days=1)
- self.assertEqual(b.toordinal(), aord - 1)
- self.assertEqual(b, self.theclass.fromordinal(aord - 1))
-
- def test_bad_constructor_arguments(self):
- # bad years
- self.theclass(MINYEAR, 1, 1) # no exception
- self.theclass(MAXYEAR, 1, 1) # no exception
- self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
- self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
- # bad months
- self.theclass(2000, 1, 1) # no exception
- self.theclass(2000, 12, 1) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
- self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
- # bad days
- self.theclass(2000, 2, 29) # no exception
- self.theclass(2004, 2, 29) # no exception
- self.theclass(2400, 2, 29) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
- self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
- self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
-
- def test_hash_equality(self):
- d = self.theclass(2000, 12, 31)
- # same thing
- e = self.theclass(2000, 12, 31)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(2001, 1, 1)
- # same thing
- e = self.theclass(2001, 1, 1)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_computations(self):
- a = self.theclass(2002, 1, 31)
- b = self.theclass(1956, 1, 31)
- c = self.theclass(2001,2,1)
-
- diff = a-b
- self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
- self.assertEqual(diff.seconds, 0)
- self.assertEqual(diff.microseconds, 0)
-
- day = timedelta(1)
- week = timedelta(7)
- a = self.theclass(2002, 3, 2)
- self.assertEqual(a + day, self.theclass(2002, 3, 3))
- self.assertEqual(day + a, self.theclass(2002, 3, 3))
- self.assertEqual(a - day, self.theclass(2002, 3, 1))
- self.assertEqual(-day + a, self.theclass(2002, 3, 1))
- self.assertEqual(a + week, self.theclass(2002, 3, 9))
- self.assertEqual(a - week, self.theclass(2002, 2, 23))
- self.assertEqual(a + 52*week, self.theclass(2003, 3, 1))
- self.assertEqual(a - 52*week, self.theclass(2001, 3, 3))
- self.assertEqual((a + week) - a, week)
- self.assertEqual((a + day) - a, day)
- self.assertEqual((a - week) - a, -week)
- self.assertEqual((a - day) - a, -day)
- self.assertEqual(a - (a + week), -week)
- self.assertEqual(a - (a + day), -day)
- self.assertEqual(a - (a - week), week)
- self.assertEqual(a - (a - day), day)
- self.assertEqual(c - (c - day), day)
-
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # delta - date is senseless.
- self.assertRaises(TypeError, lambda: day - a)
- # mixing date and (delta or date) via * or // is senseless
- self.assertRaises(TypeError, lambda: day * a)
- self.assertRaises(TypeError, lambda: a * day)
- self.assertRaises(TypeError, lambda: day // a)
- self.assertRaises(TypeError, lambda: a // day)
- self.assertRaises(TypeError, lambda: a * a)
- self.assertRaises(TypeError, lambda: a // a)
- # date + date is senseless
- self.assertRaises(TypeError, lambda: a + a)
-
- def test_overflow(self):
- tiny = self.theclass.resolution
-
- for delta in [tiny, timedelta(1), timedelta(2)]:
- dt = self.theclass.min + delta
- dt -= delta # no problem
- self.assertRaises(OverflowError, dt.__sub__, delta)
- self.assertRaises(OverflowError, dt.__add__, -delta)
-
- dt = self.theclass.max - delta
- dt += delta # no problem
- self.assertRaises(OverflowError, dt.__add__, delta)
- self.assertRaises(OverflowError, dt.__sub__, -delta)
-
- def test_fromtimestamp(self):
- import time
-
- # Try an arbitrary fixed value.
- year, month, day = 1999, 9, 19
- ts = time.mktime((year, month, day, 0, 0, 0, 0, 0, -1))
- d = self.theclass.fromtimestamp(ts)
- self.assertEqual(d.year, year)
- self.assertEqual(d.month, month)
- self.assertEqual(d.day, day)
-
- def test_insane_fromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.fromtimestamp,
- insane)
-
- def test_today(self):
- import time
-
- # We claim that today() is like fromtimestamp(time.time()), so
- # prove it.
- for dummy in range(3):
- today = self.theclass.today()
- ts = time.time()
- todayagain = self.theclass.fromtimestamp(ts)
- if today == todayagain:
- break
- # There are several legit reasons that could fail:
- # 1. It recently became midnight, between the today() and the
- # time() calls.
- # 2. The platform time() has such fine resolution that we'll
- # never get the same value twice.
- # 3. The platform time() has poor resolution, and we just
- # happened to call today() right before a resolution quantum
- # boundary.
- # 4. The system clock got fiddled between calls.
- # In any case, wait a little while and try again.
- time.sleep(0.1)
-
- # It worked or it didn't. If it didn't, assume it's reason #2, and
- # let the test pass if they're within half a second of each other.
- self.assertTrue(today == todayagain or
- abs(todayagain - today) < timedelta(seconds=0.5))
-
- def test_weekday(self):
- for i in range(7):
- # March 4, 2002 is a Monday
- self.assertEqual(self.theclass(2002, 3, 4+i).weekday(), i)
- self.assertEqual(self.theclass(2002, 3, 4+i).isoweekday(), i+1)
- # January 2, 1956 is a Monday
- self.assertEqual(self.theclass(1956, 1, 2+i).weekday(), i)
- self.assertEqual(self.theclass(1956, 1, 2+i).isoweekday(), i+1)
-
- def test_isocalendar(self):
- # Check examples from
- # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
- for i in range(7):
- d = self.theclass(2003, 12, 22+i)
- self.assertEqual(d.isocalendar(), (2003, 52, i+1))
- d = self.theclass(2003, 12, 29) + timedelta(i)
- self.assertEqual(d.isocalendar(), (2004, 1, i+1))
- d = self.theclass(2004, 1, 5+i)
- self.assertEqual(d.isocalendar(), (2004, 2, i+1))
- d = self.theclass(2009, 12, 21+i)
- self.assertEqual(d.isocalendar(), (2009, 52, i+1))
- d = self.theclass(2009, 12, 28) + timedelta(i)
- self.assertEqual(d.isocalendar(), (2009, 53, i+1))
- d = self.theclass(2010, 1, 4+i)
- self.assertEqual(d.isocalendar(), (2010, 1, i+1))
-
- def test_iso_long_years(self):
- # Calculate long ISO years and compare to table from
- # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
- ISO_LONG_YEARS_TABLE = """
- 4 32 60 88
- 9 37 65 93
- 15 43 71 99
- 20 48 76
- 26 54 82
-
- 105 133 161 189
- 111 139 167 195
- 116 144 172
- 122 150 178
- 128 156 184
-
- 201 229 257 285
- 207 235 263 291
- 212 240 268 296
- 218 246 274
- 224 252 280
-
- 303 331 359 387
- 308 336 364 392
- 314 342 370 398
- 320 348 376
- 325 353 381
- """
- iso_long_years = sorted(map(int, ISO_LONG_YEARS_TABLE.split()))
- L = []
- for i in range(400):
- d = self.theclass(2000+i, 12, 31)
- d1 = self.theclass(1600+i, 12, 31)
- self.assertEqual(d.isocalendar()[1:], d1.isocalendar()[1:])
- if d.isocalendar()[1] == 53:
- L.append(i)
- self.assertEqual(L, iso_long_years)
-
- def test_isoformat(self):
- t = self.theclass(2, 3, 2)
- self.assertEqual(t.isoformat(), "0002-03-02")
-
- def test_ctime(self):
- t = self.theclass(2002, 3, 2)
- self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002")
-
- def test_strftime(self):
- t = self.theclass(2005, 3, 2)
- self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05")
- self.assertEqual(t.strftime(""), "") # SF bug #761337
- self.assertEqual(t.strftime('x'*1000), 'x'*1000) # SF bug #1556784
-
- self.assertRaises(TypeError, t.strftime) # needs an arg
- self.assertRaises(TypeError, t.strftime, "one", "two") # too many args
- self.assertRaises(TypeError, t.strftime, 42) # arg wrong type
-
- # test that unicode input is allowed (issue 2782)
- self.assertEqual(t.strftime("%m"), "03")
-
- # A naive object replaces %z and %Z w/ empty strings.
- self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
-
- #make sure that invalid format specifiers are handled correctly
- #self.assertRaises(ValueError, t.strftime, "%e")
- #self.assertRaises(ValueError, t.strftime, "%")
- #self.assertRaises(ValueError, t.strftime, "%#")
-
- #oh well, some systems just ignore those invalid ones.
- #at least, excercise them to make sure that no crashes
- #are generated
- for f in ["%e", "%", "%#"]:
- try:
- t.strftime(f)
- except ValueError:
- pass
-
- #check that this standard extension works
- t.strftime("%f")
-
-
- def test_format(self):
- dt = self.theclass(2007, 9, 10)
- self.assertEqual(dt.__format__(''), str(dt))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(2007, 9, 10)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(2007, 9, 10)
- self.assertEqual(b.__format__(''), str(dt))
-
- for fmt in ["m:%m d:%d y:%y",
- "m:%m d:%d y:%y H:%H M:%M S:%S",
- "%z %Z",
- ]:
- self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_resolution_info(self):
- # XXX: Should min and max respect subclassing?
- if issubclass(self.theclass, datetime):
- expected_class = datetime
- else:
- expected_class = date
- self.assertIsInstance(self.theclass.min, expected_class)
- self.assertIsInstance(self.theclass.max, expected_class)
- self.assertIsInstance(self.theclass.resolution, timedelta)
- self.assertTrue(self.theclass.max > self.theclass.min)
-
- def test_extreme_timedelta(self):
- big = self.theclass.max - self.theclass.min
- # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds
- n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds
- # n == 315537897599999999 ~= 2**58.13
- justasbig = timedelta(0, 0, n)
- self.assertEqual(big, justasbig)
- self.assertEqual(self.theclass.min + big, self.theclass.max)
- self.assertEqual(self.theclass.max - big, self.theclass.min)
-
- def test_timetuple(self):
- for i in range(7):
- # January 2, 1956 is a Monday (0)
- d = self.theclass(1956, 1, 2+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 1, 2+i, 0, 0, 0, i, 2+i, -1))
- # February 1, 1956 is a Wednesday (2)
- d = self.theclass(1956, 2, 1+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 2, 1+i, 0, 0, 0, (2+i)%7, 32+i, -1))
- # March 1, 1956 is a Thursday (3), and is the 31+29+1 = 61st day
- # of the year.
- d = self.theclass(1956, 3, 1+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 3, 1+i, 0, 0, 0, (3+i)%7, 61+i, -1))
- self.assertEqual(t.tm_year, 1956)
- self.assertEqual(t.tm_mon, 3)
- self.assertEqual(t.tm_mday, 1+i)
- self.assertEqual(t.tm_hour, 0)
- self.assertEqual(t.tm_min, 0)
- self.assertEqual(t.tm_sec, 0)
- self.assertEqual(t.tm_wday, (3+i)%7)
- self.assertEqual(t.tm_yday, 61+i)
- self.assertEqual(t.tm_isdst, -1)
-
- def test_pickling(self):
- args = 6, 7, 23
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_compare(self):
- t1 = self.theclass(2, 3, 4)
- t2 = self.theclass(2, 3, 4)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
- t2 = self.theclass(*args) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_mixed_compare(self):
- our = self.theclass(2000, 4, 5)
-
- # Our class can be compared for equality to other classes
- self.assertEqual(our == 1, False)
- self.assertEqual(1 == our, False)
- self.assertEqual(our != 1, True)
- self.assertEqual(1 != our, True)
-
- # But the ordering is undefined
- self.assertRaises(TypeError, lambda: our < 1)
- self.assertRaises(TypeError, lambda: 1 < our)
-
- # Repeat those tests with a different class
-
- class SomeClass:
- pass
-
- their = SomeClass()
- self.assertEqual(our == their, False)
- self.assertEqual(their == our, False)
- self.assertEqual(our != their, True)
- self.assertEqual(their != our, True)
- self.assertRaises(TypeError, lambda: our < their)
- self.assertRaises(TypeError, lambda: their < our)
-
- # However, if the other class explicitly defines ordering
- # relative to our class, it is allowed to do so
-
- class LargerThanAnything:
- def __lt__(self, other):
- return False
- def __le__(self, other):
- return isinstance(other, LargerThanAnything)
- def __eq__(self, other):
- return isinstance(other, LargerThanAnything)
- def __ne__(self, other):
- return not isinstance(other, LargerThanAnything)
- def __gt__(self, other):
- return not isinstance(other, LargerThanAnything)
- def __ge__(self, other):
- return True
-
- their = LargerThanAnything()
- self.assertEqual(our == their, False)
- self.assertEqual(their == our, False)
- self.assertEqual(our != their, True)
- self.assertEqual(their != our, True)
- self.assertEqual(our < their, True)
- self.assertEqual(their < our, False)
-
- def test_bool(self):
- # All dates are considered true.
- self.assertTrue(self.theclass.min)
- self.assertTrue(self.theclass.max)
-
- def test_strftime_out_of_range(self):
- # For nasty technical reasons, we can't handle years before 1900.
- cls = self.theclass
- self.assertEqual(cls(1900, 1, 1).strftime("%Y"), "1900")
- for y in 1, 49, 51, 99, 100, 1000, 1899:
- self.assertRaises(ValueError, cls(y, 1, 1).strftime, "%Y")
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_subclass_date(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.year + self.month
-
- args = 2003, 4, 14
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.toordinal(), dt2.toordinal())
- self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7)
-
- def test_pickling_subclass_date(self):
-
- args = 6, 7, 23
- orig = SubclassDate(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_backdoor_resistance(self):
- # For fast unpickling, the constructor accepts a pickle byte string.
- # This is a low-overhead backdoor. A user can (by intent or
- # mistake) pass a string directly, which (if it's the right length)
- # will get treated like a pickle, and bypass the normal sanity
- # checks in the constructor. This can create insane objects.
- # The constructor doesn't want to burn the time to validate all
- # fields, but does check the month field. This stops, e.g.,
- # datetime.datetime('1995-03-25') from yielding an insane object.
- base = b'1995-03-25'
- if not issubclass(self.theclass, datetime):
- base = base[:4]
- for month_byte in b'9', b'\0', b'\r', b'\xff':
- self.assertRaises(TypeError, self.theclass,
- base[:2] + month_byte + base[3:])
- # Good bytes, but bad tzinfo:
- self.assertRaises(TypeError, self.theclass,
- bytes([1] * len(base)), 'EST')
-
- for ord_byte in range(1, 13):
- # This shouldn't blow up because of the month byte alone. If
- # the implementation changes to do more-careful checking, it may
- # blow up because other fields are insane.
- self.theclass(base[:2] + bytes([ord_byte]) + base[3:])
-
-#############################################################################
-# datetime tests
-
-class SubclassDatetime(datetime):
- sub_var = 1
-
-class TestDateTime(TestDate):
-
- theclass = datetime
-
- def test_basic_attributes(self):
- dt = self.theclass(2002, 3, 1, 12, 0)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
- self.assertEqual(dt.hour, 12)
- self.assertEqual(dt.minute, 0)
- self.assertEqual(dt.second, 0)
- self.assertEqual(dt.microsecond, 0)
-
- def test_basic_attributes_nonzero(self):
- # Make sure all attributes are non-zero so bugs in
- # bit-shifting access show up.
- dt = self.theclass(2002, 3, 1, 12, 59, 59, 8000)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
- self.assertEqual(dt.hour, 12)
- self.assertEqual(dt.minute, 59)
- self.assertEqual(dt.second, 59)
- self.assertEqual(dt.microsecond, 8000)
-
- def test_roundtrip(self):
- for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7),
- self.theclass.now()):
- # Verify dt -> string -> datetime identity.
- s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- dt2 = eval(s)
- self.assertEqual(dt, dt2)
-
- # Verify identity via reconstructing from pieces.
- dt2 = self.theclass(dt.year, dt.month, dt.day,
- dt.hour, dt.minute, dt.second,
- dt.microsecond)
- self.assertEqual(dt, dt2)
-
- def test_isoformat(self):
- t = self.theclass(2, 3, 2, 4, 5, 1, 123)
- self.assertEqual(t.isoformat(), "0002-03-02T04:05:01.000123")
- self.assertEqual(t.isoformat('T'), "0002-03-02T04:05:01.000123")
- self.assertEqual(t.isoformat(' '), "0002-03-02 04:05:01.000123")
- self.assertEqual(t.isoformat('\x00'), "0002-03-02\x0004:05:01.000123")
- # str is ISO format with the separator forced to a blank.
- self.assertEqual(str(t), "0002-03-02 04:05:01.000123")
-
- t = self.theclass(2, 3, 2)
- self.assertEqual(t.isoformat(), "0002-03-02T00:00:00")
- self.assertEqual(t.isoformat('T'), "0002-03-02T00:00:00")
- self.assertEqual(t.isoformat(' '), "0002-03-02 00:00:00")
- # str is ISO format with the separator forced to a blank.
- self.assertEqual(str(t), "0002-03-02 00:00:00")
-
- def test_format(self):
- dt = self.theclass(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(dt.__format__(''), str(dt))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(b.__format__(''), str(dt))
-
- for fmt in ["m:%m d:%d y:%y",
- "m:%m d:%d y:%y H:%H M:%M S:%S",
- "%z %Z",
- ]:
- self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_more_ctime(self):
- # Test fields that TestDate doesn't touch.
- import time
-
- t = self.theclass(2002, 3, 2, 18, 3, 5, 123)
- self.assertEqual(t.ctime(), "Sat Mar 2 18:03:05 2002")
- # Oops! The next line fails on Win2K under MSVC 6, so it's commented
- # out. The difference is that t.ctime() produces " 2" for the day,
- # but platform ctime() produces "02" for the day. According to
- # C99, t.ctime() is correct here.
- # self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
-
- # So test a case where that difference doesn't matter.
- t = self.theclass(2002, 3, 22, 18, 3, 5, 123)
- self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
-
- def test_tz_independent_comparing(self):
- dt1 = self.theclass(2002, 3, 1, 9, 0, 0)
- dt2 = self.theclass(2002, 3, 1, 10, 0, 0)
- dt3 = self.theclass(2002, 3, 1, 9, 0, 0)
- self.assertEqual(dt1, dt3)
- self.assertTrue(dt2 > dt3)
-
- # Make sure comparison doesn't forget microseconds, and isn't done
- # via comparing a float timestamp (an IEEE double doesn't have enough
- # precision to span microsecond resolution across years 1 thru 9999,
- # so comparing via timestamp necessarily calls some distinct values
- # equal).
- dt1 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999998)
- us = timedelta(microseconds=1)
- dt2 = dt1 + us
- self.assertEqual(dt2 - dt1, us)
- self.assertTrue(dt1 < dt2)
-
- def test_strftime_with_bad_tzname_replace(self):
- # verify ok if tzinfo.tzname().replace() returns a non-string
- class MyTzInfo(FixedOffset):
- def tzname(self, dt):
- class MyStr(str):
- def replace(self, *args):
- return None
- return MyStr('name')
- t = self.theclass(2005, 3, 2, 0, 0, 0, 0, MyTzInfo(3, 'name'))
- self.assertRaises(TypeError, t.strftime, '%Z')
-
- def test_bad_constructor_arguments(self):
- # bad years
- self.theclass(MINYEAR, 1, 1) # no exception
- self.theclass(MAXYEAR, 1, 1) # no exception
- self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
- self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
- # bad months
- self.theclass(2000, 1, 1) # no exception
- self.theclass(2000, 12, 1) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
- self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
- # bad days
- self.theclass(2000, 2, 29) # no exception
- self.theclass(2004, 2, 29) # no exception
- self.theclass(2400, 2, 29) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
- self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
- self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
- # bad hours
- self.theclass(2000, 1, 31, 0) # no exception
- self.theclass(2000, 1, 31, 23) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 24)
- # bad minutes
- self.theclass(2000, 1, 31, 23, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 60)
- # bad seconds
- self.theclass(2000, 1, 31, 23, 59, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, 60)
- # bad microseconds
- self.theclass(2000, 1, 31, 23, 59, 59, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59, 59, 999999) # no exception
- self.assertRaises(ValueError, self.theclass,
- 2000, 1, 31, 23, 59, 59, -1)
- self.assertRaises(ValueError, self.theclass,
- 2000, 1, 31, 23, 59, 59,
- 1000000)
-
- def test_hash_equality(self):
- d = self.theclass(2000, 12, 31, 23, 30, 17)
- e = self.theclass(2000, 12, 31, 23, 30, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(2001, 1, 1, 0, 5, 17)
- e = self.theclass(2001, 1, 1, 0, 5, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_computations(self):
- a = self.theclass(2002, 1, 31)
- b = self.theclass(1956, 1, 31)
- diff = a-b
- self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
- self.assertEqual(diff.seconds, 0)
- self.assertEqual(diff.microseconds, 0)
- a = self.theclass(2002, 3, 2, 17, 6)
- millisec = timedelta(0, 0, 1000)
- hour = timedelta(0, 3600)
- day = timedelta(1)
- week = timedelta(7)
- self.assertEqual(a + hour, self.theclass(2002, 3, 2, 18, 6))
- self.assertEqual(hour + a, self.theclass(2002, 3, 2, 18, 6))
- self.assertEqual(a + 10*hour, self.theclass(2002, 3, 3, 3, 6))
- self.assertEqual(a - hour, self.theclass(2002, 3, 2, 16, 6))
- self.assertEqual(-hour + a, self.theclass(2002, 3, 2, 16, 6))
- self.assertEqual(a - hour, a + -hour)
- self.assertEqual(a - 20*hour, self.theclass(2002, 3, 1, 21, 6))
- self.assertEqual(a + day, self.theclass(2002, 3, 3, 17, 6))
- self.assertEqual(a - day, self.theclass(2002, 3, 1, 17, 6))
- self.assertEqual(a + week, self.theclass(2002, 3, 9, 17, 6))
- self.assertEqual(a - week, self.theclass(2002, 2, 23, 17, 6))
- self.assertEqual(a + 52*week, self.theclass(2003, 3, 1, 17, 6))
- self.assertEqual(a - 52*week, self.theclass(2001, 3, 3, 17, 6))
- self.assertEqual((a + week) - a, week)
- self.assertEqual((a + day) - a, day)
- self.assertEqual((a + hour) - a, hour)
- self.assertEqual((a + millisec) - a, millisec)
- self.assertEqual((a - week) - a, -week)
- self.assertEqual((a - day) - a, -day)
- self.assertEqual((a - hour) - a, -hour)
- self.assertEqual((a - millisec) - a, -millisec)
- self.assertEqual(a - (a + week), -week)
- self.assertEqual(a - (a + day), -day)
- self.assertEqual(a - (a + hour), -hour)
- self.assertEqual(a - (a + millisec), -millisec)
- self.assertEqual(a - (a - week), week)
- self.assertEqual(a - (a - day), day)
- self.assertEqual(a - (a - hour), hour)
- self.assertEqual(a - (a - millisec), millisec)
- self.assertEqual(a + (week + day + hour + millisec),
- self.theclass(2002, 3, 10, 18, 6, 0, 1000))
- self.assertEqual(a + (week + day + hour + millisec),
- (((a + week) + day) + hour) + millisec)
- self.assertEqual(a - (week + day + hour + millisec),
- self.theclass(2002, 2, 22, 16, 5, 59, 999000))
- self.assertEqual(a - (week + day + hour + millisec),
- (((a - week) - day) - hour) - millisec)
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # delta - datetime is senseless.
- self.assertRaises(TypeError, lambda: day - a)
- # mixing datetime and (delta or datetime) via * or // is senseless
- self.assertRaises(TypeError, lambda: day * a)
- self.assertRaises(TypeError, lambda: a * day)
- self.assertRaises(TypeError, lambda: day // a)
- self.assertRaises(TypeError, lambda: a // day)
- self.assertRaises(TypeError, lambda: a * a)
- self.assertRaises(TypeError, lambda: a // a)
- # datetime + datetime is senseless
- self.assertRaises(TypeError, lambda: a + a)
-
- def test_pickling(self):
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_more_pickling(self):
- a = self.theclass(2003, 2, 7, 16, 48, 37, 444116)
- s = pickle.dumps(a)
- b = pickle.loads(s)
- self.assertEqual(b.year, 2003)
- self.assertEqual(b.month, 2)
- self.assertEqual(b.day, 7)
-
- def test_pickling_subclass_datetime(self):
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = SubclassDatetime(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_more_compare(self):
- # The test_compare() inherited from TestDate covers the error cases.
- # We just want to test lexicographic ordering on the members datetime
- # has that date lacks.
- args = [2000, 11, 29, 20, 58, 16, 999998]
- t1 = self.theclass(*args)
- t2 = self.theclass(*args)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for i in range(len(args)):
- newargs = args[:]
- newargs[i] = args[i] + 1
- t2 = self.theclass(*newargs) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
-
- # A helper for timestamp constructor tests.
- def verify_field_equality(self, expected, got):
- self.assertEqual(expected.tm_year, got.year)
- self.assertEqual(expected.tm_mon, got.month)
- self.assertEqual(expected.tm_mday, got.day)
- self.assertEqual(expected.tm_hour, got.hour)
- self.assertEqual(expected.tm_min, got.minute)
- self.assertEqual(expected.tm_sec, got.second)
-
- def test_fromtimestamp(self):
- import time
-
- ts = time.time()
- expected = time.localtime(ts)
- got = self.theclass.fromtimestamp(ts)
- self.verify_field_equality(expected, got)
-
- def test_utcfromtimestamp(self):
- import time
-
- ts = time.time()
- expected = time.gmtime(ts)
- got = self.theclass.utcfromtimestamp(ts)
- self.verify_field_equality(expected, got)
-
- def test_microsecond_rounding(self):
- # Test whether fromtimestamp "rounds up" floats that are less
- # than one microsecond smaller than an integer.
- self.assertEqual(self.theclass.fromtimestamp(0.9999999),
- self.theclass.fromtimestamp(1))
-
- def test_insane_fromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.fromtimestamp,
- insane)
-
- def test_insane_utcfromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.utcfromtimestamp,
- insane)
- @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
- def test_negative_float_fromtimestamp(self):
- # The result is tz-dependent; at least test that this doesn't
- # fail (like it did before bug 1646728 was fixed).
- self.theclass.fromtimestamp(-1.05)
-
- @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
- def test_negative_float_utcfromtimestamp(self):
- d = self.theclass.utcfromtimestamp(-1.05)
- self.assertEqual(d, self.theclass(1969, 12, 31, 23, 59, 58, 950000))
-
- def test_utcnow(self):
- import time
-
- # Call it a success if utcnow() and utcfromtimestamp() are within
- # a second of each other.
- tolerance = timedelta(seconds=1)
- for dummy in range(3):
- from_now = self.theclass.utcnow()
- from_timestamp = self.theclass.utcfromtimestamp(time.time())
- if abs(from_timestamp - from_now) <= tolerance:
- break
- # Else try again a few times.
- self.assertTrue(abs(from_timestamp - from_now) <= tolerance)
-
- def test_strptime(self):
- import _strptime
-
- string = '2004-12-01 13:02:47.197'
- format = '%Y-%m-%d %H:%M:%S.%f'
- expected = _strptime._strptime_datetime(self.theclass, string, format)
- got = self.theclass.strptime(string, format)
- self.assertEqual(expected, got)
- self.assertIs(type(expected), self.theclass)
- self.assertIs(type(got), self.theclass)
-
- strptime = self.theclass.strptime
- self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
- self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
- # Only local timezone and UTC are supported
- for tzseconds, tzname in ((0, 'UTC'), (0, 'GMT'),
- (-_time.timezone, _time.tzname[0])):
- if tzseconds < 0:
- sign = '-'
- seconds = -tzseconds
- else:
- sign ='+'
- seconds = tzseconds
- hours, minutes = divmod(seconds//60, 60)
- dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname)
- dt = strptime(dtstr, "%z %Z")
- self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds))
- self.assertEqual(dt.tzname(), tzname)
- # Can produce inconsistent datetime
- dtstr, fmt = "+1234 UTC", "%z %Z"
- dt = strptime(dtstr, fmt)
- self.assertEqual(dt.utcoffset(), 12 * HOUR + 34 * MINUTE)
- self.assertEqual(dt.tzname(), 'UTC')
- # yet will roundtrip
- self.assertEqual(dt.strftime(fmt), dtstr)
-
- # Produce naive datetime if no %z is provided
- self.assertEqual(strptime("UTC", "%Z").tzinfo, None)
-
- with self.assertRaises(ValueError): strptime("-2400", "%z")
- with self.assertRaises(ValueError): strptime("-000", "%z")
-
- def test_more_timetuple(self):
- # This tests fields beyond those tested by the TestDate.test_timetuple.
- t = self.theclass(2004, 12, 31, 6, 22, 33)
- self.assertEqual(t.timetuple(), (2004, 12, 31, 6, 22, 33, 4, 366, -1))
- self.assertEqual(t.timetuple(),
- (t.year, t.month, t.day,
- t.hour, t.minute, t.second,
- t.weekday(),
- t.toordinal() - date(t.year, 1, 1).toordinal() + 1,
- -1))
- tt = t.timetuple()
- self.assertEqual(tt.tm_year, t.year)
- self.assertEqual(tt.tm_mon, t.month)
- self.assertEqual(tt.tm_mday, t.day)
- self.assertEqual(tt.tm_hour, t.hour)
- self.assertEqual(tt.tm_min, t.minute)
- self.assertEqual(tt.tm_sec, t.second)
- self.assertEqual(tt.tm_wday, t.weekday())
- self.assertEqual(tt.tm_yday, t.toordinal() -
- date(t.year, 1, 1).toordinal() + 1)
- self.assertEqual(tt.tm_isdst, -1)
-
- def test_more_strftime(self):
- # This tests fields beyond those tested by the TestDate.test_strftime.
- t = self.theclass(2004, 12, 31, 6, 22, 33, 47)
- self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"),
- "12 31 04 000047 33 22 06 366")
-
- def test_extract(self):
- dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
- self.assertEqual(dt.date(), date(2002, 3, 4))
- self.assertEqual(dt.time(), time(18, 45, 3, 1234))
-
- def test_combine(self):
- d = date(2002, 3, 4)
- t = time(18, 45, 3, 1234)
- expected = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
- combine = self.theclass.combine
- dt = combine(d, t)
- self.assertEqual(dt, expected)
-
- dt = combine(time=t, date=d)
- self.assertEqual(dt, expected)
-
- self.assertEqual(d, dt.date())
- self.assertEqual(t, dt.time())
- self.assertEqual(dt, combine(dt.date(), dt.time()))
-
- self.assertRaises(TypeError, combine) # need an arg
- self.assertRaises(TypeError, combine, d) # need two args
- self.assertRaises(TypeError, combine, t, d) # args reversed
- self.assertRaises(TypeError, combine, d, t, 1) # too many args
- self.assertRaises(TypeError, combine, "date", "time") # wrong types
- self.assertRaises(TypeError, combine, d, "time") # wrong type
- self.assertRaises(TypeError, combine, "date", t) # wrong type
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3, 4, 5, 6, 7]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4),
- ("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_astimezone(self):
- # Pretty boring! The TZ test is more interesting here. astimezone()
- # simply can't be applied to a naive object.
- dt = self.theclass.now()
- f = FixedOffset(44, "")
- self.assertRaises(TypeError, dt.astimezone) # not enough args
- self.assertRaises(TypeError, dt.astimezone, f, f) # too many args
- self.assertRaises(TypeError, dt.astimezone, dt) # arg wrong type
- self.assertRaises(ValueError, dt.astimezone, f) # naive
- self.assertRaises(ValueError, dt.astimezone, tz=f) # naive
-
- class Bogus(tzinfo):
- def utcoffset(self, dt): return None
- def dst(self, dt): return timedelta(0)
- bog = Bogus()
- self.assertRaises(ValueError, dt.astimezone, bog) # naive
- self.assertRaises(ValueError,
- dt.replace(tzinfo=bog).astimezone, f)
-
- class AlsoBogus(tzinfo):
- def utcoffset(self, dt): return timedelta(0)
- def dst(self, dt): return None
- alsobog = AlsoBogus()
- self.assertRaises(ValueError, dt.astimezone, alsobog) # also naive
-
- def test_subclass_datetime(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.year + self.month + self.second
-
- args = 2003, 4, 14, 12, 13, 41
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.toordinal(), dt2.toordinal())
- self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month +
- dt1.second - 7)
-
-class TestSubclassDateTime(TestDateTime):
- theclass = SubclassDatetime
- # Override tests not designed for subclass
- def test_roundtrip(self):
- pass
-
-class SubclassTime(time):
- sub_var = 1
-
-class TestTime(HarmlessMixedComparison, unittest.TestCase):
-
- theclass = time
-
- def test_basic_attributes(self):
- t = self.theclass(12, 0)
- self.assertEqual(t.hour, 12)
- self.assertEqual(t.minute, 0)
- self.assertEqual(t.second, 0)
- self.assertEqual(t.microsecond, 0)
-
- def test_basic_attributes_nonzero(self):
- # Make sure all attributes are non-zero so bugs in
- # bit-shifting access show up.
- t = self.theclass(12, 59, 59, 8000)
- self.assertEqual(t.hour, 12)
- self.assertEqual(t.minute, 59)
- self.assertEqual(t.second, 59)
- self.assertEqual(t.microsecond, 8000)
-
- def test_roundtrip(self):
- t = self.theclass(1, 2, 3, 4)
-
- # Verify t -> string -> time identity.
- s = repr(t)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- t2 = eval(s)
- self.assertEqual(t, t2)
-
- # Verify identity via reconstructing from pieces.
- t2 = self.theclass(t.hour, t.minute, t.second,
- t.microsecond)
- self.assertEqual(t, t2)
-
- def test_comparing(self):
- args = [1, 2, 3, 4]
- t1 = self.theclass(*args)
- t2 = self.theclass(*args)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for i in range(len(args)):
- newargs = args[:]
- newargs[i] = args[i] + 1
- t2 = self.theclass(*newargs) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 <= badarg)
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_bad_constructor_arguments(self):
- # bad hours
- self.theclass(0, 0) # no exception
- self.theclass(23, 0) # no exception
- self.assertRaises(ValueError, self.theclass, -1, 0)
- self.assertRaises(ValueError, self.theclass, 24, 0)
- # bad minutes
- self.theclass(23, 0) # no exception
- self.theclass(23, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 23, -1)
- self.assertRaises(ValueError, self.theclass, 23, 60)
- # bad seconds
- self.theclass(23, 59, 0) # no exception
- self.theclass(23, 59, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 23, 59, -1)
- self.assertRaises(ValueError, self.theclass, 23, 59, 60)
- # bad microseconds
- self.theclass(23, 59, 59, 0) # no exception
- self.theclass(23, 59, 59, 999999) # no exception
- self.assertRaises(ValueError, self.theclass, 23, 59, 59, -1)
- self.assertRaises(ValueError, self.theclass, 23, 59, 59, 1000000)
-
- def test_hash_equality(self):
- d = self.theclass(23, 30, 17)
- e = self.theclass(23, 30, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(0, 5, 17)
- e = self.theclass(0, 5, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_isoformat(self):
- t = self.theclass(4, 5, 1, 123)
- self.assertEqual(t.isoformat(), "04:05:01.000123")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass()
- self.assertEqual(t.isoformat(), "00:00:00")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=1)
- self.assertEqual(t.isoformat(), "00:00:00.000001")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=10)
- self.assertEqual(t.isoformat(), "00:00:00.000010")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=100)
- self.assertEqual(t.isoformat(), "00:00:00.000100")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=1000)
- self.assertEqual(t.isoformat(), "00:00:00.001000")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=10000)
- self.assertEqual(t.isoformat(), "00:00:00.010000")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=100000)
- self.assertEqual(t.isoformat(), "00:00:00.100000")
- self.assertEqual(t.isoformat(), str(t))
-
- def test_1653736(self):
- # verify it doesn't accept extra keyword arguments
- t = self.theclass(second=1)
- self.assertRaises(TypeError, t.isoformat, foo=3)
-
- def test_strftime(self):
- t = self.theclass(1, 2, 3, 4)
- self.assertEqual(t.strftime('%H %M %S %f'), "01 02 03 000004")
- # A naive object replaces %z and %Z with empty strings.
- self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
-
- def test_format(self):
- t = self.theclass(1, 2, 3, 4)
- self.assertEqual(t.__format__(''), str(t))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(1, 2, 3, 4)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(1, 2, 3, 4)
- self.assertEqual(b.__format__(''), str(t))
-
- for fmt in ['%H %M %S',
- ]:
- self.assertEqual(t.__format__(fmt), t.strftime(fmt))
- self.assertEqual(a.__format__(fmt), t.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_str(self):
- self.assertEqual(str(self.theclass(1, 2, 3, 4)), "01:02:03.000004")
- self.assertEqual(str(self.theclass(10, 2, 3, 4000)), "10:02:03.004000")
- self.assertEqual(str(self.theclass(0, 2, 3, 400000)), "00:02:03.400000")
- self.assertEqual(str(self.theclass(12, 2, 3, 0)), "12:02:03")
- self.assertEqual(str(self.theclass(23, 15, 0, 0)), "23:15:00")
-
- def test_repr(self):
- name = 'datetime.' + self.theclass.__name__
- self.assertEqual(repr(self.theclass(1, 2, 3, 4)),
- "%s(1, 2, 3, 4)" % name)
- self.assertEqual(repr(self.theclass(10, 2, 3, 4000)),
- "%s(10, 2, 3, 4000)" % name)
- self.assertEqual(repr(self.theclass(0, 2, 3, 400000)),
- "%s(0, 2, 3, 400000)" % name)
- self.assertEqual(repr(self.theclass(12, 2, 3, 0)),
- "%s(12, 2, 3)" % name)
- self.assertEqual(repr(self.theclass(23, 15, 0, 0)),
- "%s(23, 15)" % name)
-
- def test_resolution_info(self):
- self.assertIsInstance(self.theclass.min, self.theclass)
- self.assertIsInstance(self.theclass.max, self.theclass)
- self.assertIsInstance(self.theclass.resolution, timedelta)
- self.assertTrue(self.theclass.max > self.theclass.min)
-
- def test_pickling(self):
- args = 20, 59, 16, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_pickling_subclass_time(self):
- args = 20, 59, 16, 64**2
- orig = SubclassTime(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_bool(self):
- cls = self.theclass
- self.assertTrue(cls(1))
- self.assertTrue(cls(0, 1))
- self.assertTrue(cls(0, 0, 1))
- self.assertTrue(cls(0, 0, 0, 1))
- self.assertTrue(not cls(0))
- self.assertTrue(not cls())
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3, 4]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(1)
- self.assertRaises(ValueError, base.replace, hour=24)
- self.assertRaises(ValueError, base.replace, minute=-1)
- self.assertRaises(ValueError, base.replace, second=100)
- self.assertRaises(ValueError, base.replace, microsecond=1000000)
-
- def test_subclass_time(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.second
-
- args = 4, 5, 6
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.isoformat(), dt2.isoformat())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
-
- def test_backdoor_resistance(self):
- # see TestDate.test_backdoor_resistance().
- base = '2:59.0'
- for hour_byte in ' ', '9', chr(24), '\xff':
- self.assertRaises(TypeError, self.theclass,
- hour_byte + base[1:])
-
-# A mixin for classes with a tzinfo= argument. Subclasses must define
-# theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever)
-# must be legit (which is true for time and datetime).
-class TZInfoBase:
-
- def test_argument_passing(self):
- cls = self.theclass
- # A datetime passes itself on, a time passes None.
- class introspective(tzinfo):
- def tzname(self, dt): return dt and "real" or "none"
- def utcoffset(self, dt):
- return timedelta(minutes = dt and 42 or -42)
- dst = utcoffset
-
- obj = cls(1, 2, 3, tzinfo=introspective())
-
- expected = cls is time and "none" or "real"
- self.assertEqual(obj.tzname(), expected)
-
- expected = timedelta(minutes=(cls is time and -42 or 42))
- self.assertEqual(obj.utcoffset(), expected)
- self.assertEqual(obj.dst(), expected)
-
- def test_bad_tzinfo_classes(self):
- cls = self.theclass
- self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=12)
-
- class NiceTry(object):
- def __init__(self): pass
- def utcoffset(self, dt): pass
- self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=NiceTry)
-
- class BetterTry(tzinfo):
- def __init__(self): pass
- def utcoffset(self, dt): pass
- b = BetterTry()
- t = cls(1, 1, 1, tzinfo=b)
- self.assertTrue(t.tzinfo is b)
-
- def test_utc_offset_out_of_bounds(self):
- class Edgy(tzinfo):
- def __init__(self, offset):
- self.offset = timedelta(minutes=offset)
- def utcoffset(self, dt):
- return self.offset
-
- cls = self.theclass
- for offset, legit in ((-1440, False),
- (-1439, True),
- (1439, True),
- (1440, False)):
- if cls is time:
- t = cls(1, 2, 3, tzinfo=Edgy(offset))
- elif cls is datetime:
- t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset))
- else:
- assert 0, "impossible"
- if legit:
- aofs = abs(offset)
- h, m = divmod(aofs, 60)
- tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m)
- if isinstance(t, datetime):
- t = t.timetz()
- self.assertEqual(str(t), "01:02:03" + tag)
- else:
- self.assertRaises(ValueError, str, t)
-
- def test_tzinfo_classes(self):
- cls = self.theclass
- class C1(tzinfo):
- def utcoffset(self, dt): return None
- def dst(self, dt): return None
- def tzname(self, dt): return None
- for t in (cls(1, 1, 1),
- cls(1, 1, 1, tzinfo=None),
- cls(1, 1, 1, tzinfo=C1())):
- self.assertTrue(t.utcoffset() is None)
- self.assertTrue(t.dst() is None)
- self.assertTrue(t.tzname() is None)
-
- class C3(tzinfo):
- def utcoffset(self, dt): return timedelta(minutes=-1439)
- def dst(self, dt): return timedelta(minutes=1439)
- def tzname(self, dt): return "aname"
- t = cls(1, 1, 1, tzinfo=C3())
- self.assertEqual(t.utcoffset(), timedelta(minutes=-1439))
- self.assertEqual(t.dst(), timedelta(minutes=1439))
- self.assertEqual(t.tzname(), "aname")
-
- # Wrong types.
- class C4(tzinfo):
- def utcoffset(self, dt): return "aname"
- def dst(self, dt): return 7
- def tzname(self, dt): return 0
- t = cls(1, 1, 1, tzinfo=C4())
- self.assertRaises(TypeError, t.utcoffset)
- self.assertRaises(TypeError, t.dst)
- self.assertRaises(TypeError, t.tzname)
-
- # Offset out of range.
- class C6(tzinfo):
- def utcoffset(self, dt): return timedelta(hours=-24)
- def dst(self, dt): return timedelta(hours=24)
- t = cls(1, 1, 1, tzinfo=C6())
- self.assertRaises(ValueError, t.utcoffset)
- self.assertRaises(ValueError, t.dst)
-
- # Not a whole number of minutes.
- class C7(tzinfo):
- def utcoffset(self, dt): return timedelta(seconds=61)
- def dst(self, dt): return timedelta(microseconds=-81)
- t = cls(1, 1, 1, tzinfo=C7())
- self.assertRaises(ValueError, t.utcoffset)
- self.assertRaises(ValueError, t.dst)
-
- def test_aware_compare(self):
- cls = self.theclass
-
- # Ensure that utcoffset() gets ignored if the comparands have
- # the same tzinfo member.
- class OperandDependentOffset(tzinfo):
- def utcoffset(self, t):
- if t.minute < 10:
- # d0 and d1 equal after adjustment
- return timedelta(minutes=t.minute)
- else:
- # d2 off in the weeds
- return timedelta(minutes=59)
-
- base = cls(8, 9, 10, tzinfo=OperandDependentOffset())
- d0 = base.replace(minute=3)
- d1 = base.replace(minute=9)
- d2 = base.replace(minute=11)
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- for op in lt, le, gt, ge, eq, ne:
- got = op(x, y)
- expected = op(x.minute, y.minute)
- self.assertEqual(got, expected)
-
- # However, if they're different members, uctoffset is not ignored.
- # Note that a time can't actually have an operand-depedent offset,
- # though (and time.utcoffset() passes None to tzinfo.utcoffset()),
- # so skip this test for time.
- if cls is not time:
- d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
- d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
- d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = (x > y) - (x < y)
- if (x is d0 or x is d1) and (y is d0 or y is d1):
- expected = 0
- elif x is y is d2:
- expected = 0
- elif x is d2:
- expected = -1
- else:
- assert y is d2
- expected = 1
- self.assertEqual(got, expected)
-
-
-# Testing time objects with a non-None tzinfo.
-class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
- theclass = time
-
- def test_empty(self):
- t = self.theclass()
- self.assertEqual(t.hour, 0)
- self.assertEqual(t.minute, 0)
- self.assertEqual(t.second, 0)
- self.assertEqual(t.microsecond, 0)
- self.assertTrue(t.tzinfo is None)
-
- def test_zones(self):
- est = FixedOffset(-300, "EST", 1)
- utc = FixedOffset(0, "UTC", -2)
- met = FixedOffset(60, "MET", 3)
- t1 = time( 7, 47, tzinfo=est)
- t2 = time(12, 47, tzinfo=utc)
- t3 = time(13, 47, tzinfo=met)
- t4 = time(microsecond=40)
- t5 = time(microsecond=40, tzinfo=utc)
-
- self.assertEqual(t1.tzinfo, est)
- self.assertEqual(t2.tzinfo, utc)
- self.assertEqual(t3.tzinfo, met)
- self.assertTrue(t4.tzinfo is None)
- self.assertEqual(t5.tzinfo, utc)
-
- self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
- self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
- self.assertTrue(t4.utcoffset() is None)
- self.assertRaises(TypeError, t1.utcoffset, "no args")
-
- self.assertEqual(t1.tzname(), "EST")
- self.assertEqual(t2.tzname(), "UTC")
- self.assertEqual(t3.tzname(), "MET")
- self.assertTrue(t4.tzname() is None)
- self.assertRaises(TypeError, t1.tzname, "no args")
-
- self.assertEqual(t1.dst(), timedelta(minutes=1))
- self.assertEqual(t2.dst(), timedelta(minutes=-2))
- self.assertEqual(t3.dst(), timedelta(minutes=3))
- self.assertTrue(t4.dst() is None)
- self.assertRaises(TypeError, t1.dst, "no args")
-
- self.assertEqual(hash(t1), hash(t2))
- self.assertEqual(hash(t1), hash(t3))
- self.assertEqual(hash(t2), hash(t3))
-
- self.assertEqual(t1, t2)
- self.assertEqual(t1, t3)
- self.assertEqual(t2, t3)
- self.assertRaises(TypeError, lambda: t4 == t5) # mixed tz-aware & naive
- self.assertRaises(TypeError, lambda: t4 < t5) # mixed tz-aware & naive
- self.assertRaises(TypeError, lambda: t5 < t4) # mixed tz-aware & naive
-
- self.assertEqual(str(t1), "07:47:00-05:00")
- self.assertEqual(str(t2), "12:47:00+00:00")
- self.assertEqual(str(t3), "13:47:00+01:00")
- self.assertEqual(str(t4), "00:00:00.000040")
- self.assertEqual(str(t5), "00:00:00.000040+00:00")
-
- self.assertEqual(t1.isoformat(), "07:47:00-05:00")
- self.assertEqual(t2.isoformat(), "12:47:00+00:00")
- self.assertEqual(t3.isoformat(), "13:47:00+01:00")
- self.assertEqual(t4.isoformat(), "00:00:00.000040")
- self.assertEqual(t5.isoformat(), "00:00:00.000040+00:00")
-
- d = 'datetime.time'
- self.assertEqual(repr(t1), d + "(7, 47, tzinfo=est)")
- self.assertEqual(repr(t2), d + "(12, 47, tzinfo=utc)")
- self.assertEqual(repr(t3), d + "(13, 47, tzinfo=met)")
- self.assertEqual(repr(t4), d + "(0, 0, 0, 40)")
- self.assertEqual(repr(t5), d + "(0, 0, 0, 40, tzinfo=utc)")
-
- self.assertEqual(t1.strftime("%H:%M:%S %%Z=%Z %%z=%z"),
- "07:47:00 %Z=EST %z=-0500")
- self.assertEqual(t2.strftime("%H:%M:%S %Z %z"), "12:47:00 UTC +0000")
- self.assertEqual(t3.strftime("%H:%M:%S %Z %z"), "13:47:00 MET +0100")
-
- yuck = FixedOffset(-1439, "%z %Z %%z%%Z")
- t1 = time(23, 59, tzinfo=yuck)
- self.assertEqual(t1.strftime("%H:%M %%Z='%Z' %%z='%z'"),
- "23:59 %Z='%z %Z %%z%%Z' %z='-2359'")
-
- # Check that an invalid tzname result raises an exception.
- class Badtzname(tzinfo):
- def tzname(self, dt): return 42
- t = time(2, 3, 4, tzinfo=Badtzname())
- self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04")
- self.assertRaises(TypeError, t.strftime, "%Z")
-
- def test_hash_edge_cases(self):
- # Offsets that overflow a basic time.
- t1 = self.theclass(0, 1, 2, 3, tzinfo=FixedOffset(1439, ""))
- t2 = self.theclass(0, 0, 2, 3, tzinfo=FixedOffset(1438, ""))
- self.assertEqual(hash(t1), hash(t2))
-
- t1 = self.theclass(23, 58, 6, 100, tzinfo=FixedOffset(-1000, ""))
- t2 = self.theclass(23, 48, 6, 100, tzinfo=FixedOffset(-1010, ""))
- self.assertEqual(hash(t1), hash(t2))
-
- def test_pickling(self):
- # Try one without a tzinfo.
- args = 20, 59, 16, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- # Try one with a tzinfo.
- tinfo = PicklableFixedOffset(-300, 'cookie')
- orig = self.theclass(5, 6, 7, tzinfo=tinfo)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
- self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
- self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(derived.tzname(), 'cookie')
-
- def test_more_bool(self):
- # Test cases with non-None tzinfo.
- cls = self.theclass
-
- t = cls(0, tzinfo=FixedOffset(-300, ""))
- self.assertTrue(t)
-
- t = cls(5, tzinfo=FixedOffset(-300, ""))
- self.assertTrue(t)
-
- t = cls(5, tzinfo=FixedOffset(300, ""))
- self.assertTrue(not t)
-
- t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, ""))
- self.assertTrue(not t)
-
- # Mostly ensuring this doesn't overflow internally.
- t = cls(0, tzinfo=FixedOffset(23*60 + 59, ""))
- self.assertTrue(t)
-
- # But this should yield a value error -- the utcoffset is bogus.
- t = cls(0, tzinfo=FixedOffset(24*60, ""))
- self.assertRaises(ValueError, lambda: bool(t))
-
- # Likewise.
- t = cls(0, tzinfo=FixedOffset(-24*60, ""))
- self.assertRaises(ValueError, lambda: bool(t))
-
- def test_replace(self):
- cls = self.theclass
- z100 = FixedOffset(100, "+100")
- zm200 = FixedOffset(timedelta(minutes=-200), "-200")
- args = [1, 2, 3, 4, z100]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8),
- ("tzinfo", zm200)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Ensure we can get rid of a tzinfo.
- self.assertEqual(base.tzname(), "+100")
- base2 = base.replace(tzinfo=None)
- self.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is base3.tzinfo)
-
- # Out of bounds.
- base = cls(1)
- self.assertRaises(ValueError, base.replace, hour=24)
- self.assertRaises(ValueError, base.replace, minute=-1)
- self.assertRaises(ValueError, base.replace, second=100)
- self.assertRaises(ValueError, base.replace, microsecond=1000000)
-
- def test_mixed_compare(self):
- t1 = time(1, 2, 3)
- t2 = time(1, 2, 3)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=None)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(None, ""))
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(0, ""))
- self.assertRaises(TypeError, lambda: t1 == t2)
-
- # In time w/ identical tzinfo objects, utcoffset is ignored.
- class Varies(tzinfo):
- def __init__(self):
- self.offset = timedelta(minutes=22)
- def utcoffset(self, t):
- self.offset += timedelta(minutes=1)
- return self.offset
-
- v = Varies()
- t1 = t2.replace(tzinfo=v)
- t2 = t2.replace(tzinfo=v)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
- self.assertEqual(t1, t2)
-
- # But if they're not identical, it isn't ignored.
- t2 = t2.replace(tzinfo=Varies())
- self.assertTrue(t1 < t2) # t1's offset counter still going up
-
- def test_subclass_timetz(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.second
-
- args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
-
-
-# Testing datetime objects with a non-None tzinfo.
-
-class TestDateTimeTZ(TestDateTime, TZInfoBase, unittest.TestCase):
- theclass = datetime
-
- def test_trivial(self):
- dt = self.theclass(1, 2, 3, 4, 5, 6, 7)
- self.assertEqual(dt.year, 1)
- self.assertEqual(dt.month, 2)
- self.assertEqual(dt.day, 3)
- self.assertEqual(dt.hour, 4)
- self.assertEqual(dt.minute, 5)
- self.assertEqual(dt.second, 6)
- self.assertEqual(dt.microsecond, 7)
- self.assertEqual(dt.tzinfo, None)
-
- def test_even_more_compare(self):
- # The test_compare() and test_more_compare() inherited from TestDate
- # and TestDateTime covered non-tzinfo cases.
-
- # Smallest possible after UTC adjustment.
- t1 = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
- # Largest possible after UTC adjustment.
- t2 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, ""))
-
- # Make sure those compare correctly, and w/o overflow.
- self.assertTrue(t1 < t2)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 > t1)
-
- self.assertEqual(t1, t1)
- self.assertEqual(t2, t2)
-
- # Equal afer adjustment.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""))
- t2 = self.theclass(2, 1, 1, 3, 13, tzinfo=FixedOffset(3*60+13+2, ""))
- self.assertEqual(t1, t2)
-
- # Change t1 not to subtract a minute, and t1 should be larger.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(0, ""))
- self.assertTrue(t1 > t2)
-
- # Change t1 to subtract 2 minutes, and t1 should be smaller.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(2, ""))
- self.assertTrue(t1 < t2)
-
- # Back to the original t1, but make seconds resolve it.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
- second=1)
- self.assertTrue(t1 > t2)
-
- # Likewise, but make microseconds resolve it.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
- microsecond=1)
- self.assertTrue(t1 > t2)
-
- # Make t2 naive and it should fail.
- t2 = self.theclass.min
- self.assertRaises(TypeError, lambda: t1 == t2)
- self.assertEqual(t2, t2)
-
- # It's also naive if it has tzinfo but tzinfo.utcoffset() is None.
- class Naive(tzinfo):
- def utcoffset(self, dt): return None
- t2 = self.theclass(5, 6, 7, tzinfo=Naive())
- self.assertRaises(TypeError, lambda: t1 == t2)
- self.assertEqual(t2, t2)
-
- # OTOH, it's OK to compare two of these mixing the two ways of being
- # naive.
- t1 = self.theclass(5, 6, 7)
- self.assertEqual(t1, t2)
-
- # Try a bogus uctoffset.
- class Bogus(tzinfo):
- def utcoffset(self, dt):
- return timedelta(minutes=1440) # out of bounds
- t1 = self.theclass(2, 2, 2, tzinfo=Bogus())
- t2 = self.theclass(2, 2, 2, tzinfo=FixedOffset(0, ""))
- self.assertRaises(ValueError, lambda: t1 == t2)
-
- def test_pickling(self):
- # Try one without a tzinfo.
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- # Try one with a tzinfo.
- tinfo = PicklableFixedOffset(-300, 'cookie')
- orig = self.theclass(*args, **{'tzinfo': tinfo})
- derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0))
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
- self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
- self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(derived.tzname(), 'cookie')
-
- def test_extreme_hashes(self):
- # If an attempt is made to hash these via subtracting the offset
- # then hashing a datetime object, OverflowError results. The
- # Python implementation used to blow up here.
- t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
- hash(t)
- t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, ""))
- hash(t)
-
- # OTOH, an OOB offset should blow up.
- t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, ""))
- self.assertRaises(ValueError, hash, t)
-
- def test_zones(self):
- est = FixedOffset(-300, "EST")
- utc = FixedOffset(0, "UTC")
- met = FixedOffset(60, "MET")
- t1 = datetime(2002, 3, 19, 7, 47, tzinfo=est)
- t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc)
- t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met)
- self.assertEqual(t1.tzinfo, est)
- self.assertEqual(t2.tzinfo, utc)
- self.assertEqual(t3.tzinfo, met)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
- self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
- self.assertEqual(t1.tzname(), "EST")
- self.assertEqual(t2.tzname(), "UTC")
- self.assertEqual(t3.tzname(), "MET")
- self.assertEqual(hash(t1), hash(t2))
- self.assertEqual(hash(t1), hash(t3))
- self.assertEqual(hash(t2), hash(t3))
- self.assertEqual(t1, t2)
- self.assertEqual(t1, t3)
- self.assertEqual(t2, t3)
- self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00")
- self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00")
- self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00")
- d = 'datetime.datetime(2002, 3, 19, '
- self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)")
- self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)")
- self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)")
-
- def test_combine(self):
- met = FixedOffset(60, "MET")
- d = date(2002, 3, 4)
- tz = time(18, 45, 3, 1234, tzinfo=met)
- dt = datetime.combine(d, tz)
- self.assertEqual(dt, datetime(2002, 3, 4, 18, 45, 3, 1234,
- tzinfo=met))
-
- def test_extract(self):
- met = FixedOffset(60, "MET")
- dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234, tzinfo=met)
- self.assertEqual(dt.date(), date(2002, 3, 4))
- self.assertEqual(dt.time(), time(18, 45, 3, 1234))
- self.assertEqual(dt.timetz(), time(18, 45, 3, 1234, tzinfo=met))
-
- def test_tz_aware_arithmetic(self):
- import random
-
- now = self.theclass.now()
- tz55 = FixedOffset(-330, "west 5:30")
- timeaware = now.time().replace(tzinfo=tz55)
- nowaware = self.theclass.combine(now.date(), timeaware)
- self.assertTrue(nowaware.tzinfo is tz55)
- self.assertEqual(nowaware.timetz(), timeaware)
-
- # Can't mix aware and non-aware.
- self.assertRaises(TypeError, lambda: now - nowaware)
- self.assertRaises(TypeError, lambda: nowaware - now)
-
- # And adding datetime's doesn't make sense, aware or not.
- self.assertRaises(TypeError, lambda: now + nowaware)
- self.assertRaises(TypeError, lambda: nowaware + now)
- self.assertRaises(TypeError, lambda: nowaware + nowaware)
-
- # Subtracting should yield 0.
- self.assertEqual(now - now, timedelta(0))
- self.assertEqual(nowaware - nowaware, timedelta(0))
-
- # Adding a delta should preserve tzinfo.
- delta = timedelta(weeks=1, minutes=12, microseconds=5678)
- nowawareplus = nowaware + delta
- self.assertTrue(nowaware.tzinfo is tz55)
- nowawareplus2 = delta + nowaware
- self.assertTrue(nowawareplus2.tzinfo is tz55)
- self.assertEqual(nowawareplus, nowawareplus2)
-
- # that - delta should be what we started with, and that - what we
- # started with should be delta.
- diff = nowawareplus - delta
- self.assertTrue(diff.tzinfo is tz55)
- self.assertEqual(nowaware, diff)
- self.assertRaises(TypeError, lambda: delta - nowawareplus)
- self.assertEqual(nowawareplus - nowaware, delta)
-
- # Make up a random timezone.
- tzr = FixedOffset(random.randrange(-1439, 1440), "randomtimezone")
- # Attach it to nowawareplus.
- nowawareplus = nowawareplus.replace(tzinfo=tzr)
- self.assertTrue(nowawareplus.tzinfo is tzr)
- # Make sure the difference takes the timezone adjustments into account.
- got = nowaware - nowawareplus
- # Expected: (nowaware base - nowaware offset) -
- # (nowawareplus base - nowawareplus offset) =
- # (nowaware base - nowawareplus base) +
- # (nowawareplus offset - nowaware offset) =
- # -delta + nowawareplus offset - nowaware offset
- expected = nowawareplus.utcoffset() - nowaware.utcoffset() - delta
- self.assertEqual(got, expected)
-
- # Try max possible difference.
- min = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "min"))
- max = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, "max"))
- maxdiff = max - min
- self.assertEqual(maxdiff, self.theclass.max - self.theclass.min +
- timedelta(minutes=2*1439))
- # Different tzinfo, but the same offset
- tza = timezone(HOUR, 'A')
- tzb = timezone(HOUR, 'B')
- delta = min.replace(tzinfo=tza) - max.replace(tzinfo=tzb)
- self.assertEqual(delta, self.theclass.min - self.theclass.max)
-
- def test_tzinfo_now(self):
- meth = self.theclass.now
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth()
- # Try with and without naming the keyword.
- off42 = FixedOffset(42, "42")
- another = meth(off42)
- again = meth(tz=off42)
- self.assertTrue(another.tzinfo is again.tzinfo)
- self.assertEqual(another.utcoffset(), timedelta(minutes=42))
- # Bad argument with and w/o naming the keyword.
- self.assertRaises(TypeError, meth, 16)
- self.assertRaises(TypeError, meth, tzinfo=16)
- # Bad keyword name.
- self.assertRaises(TypeError, meth, tinfo=off42)
- # Too many args.
- self.assertRaises(TypeError, meth, off42, off42)
-
- # We don't know which time zone we're in, and don't have a tzinfo
- # class to represent it, so seeing whether a tz argument actually
- # does a conversion is tricky.
- utc = FixedOffset(0, "utc", 0)
- for weirdtz in [FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0),
- timezone(timedelta(hours=15, minutes=58), "weirdtz"),]:
- for dummy in range(3):
- now = datetime.now(weirdtz)
- self.assertTrue(now.tzinfo is weirdtz)
- utcnow = datetime.utcnow().replace(tzinfo=utc)
- now2 = utcnow.astimezone(weirdtz)
- if abs(now - now2) < timedelta(seconds=30):
- break
- # Else the code is broken, or more than 30 seconds passed between
- # calls; assuming the latter, just try again.
- else:
- # Three strikes and we're out.
- self.fail("utcnow(), now(tz), or astimezone() may be broken")
-
- def test_tzinfo_fromtimestamp(self):
- import time
- meth = self.theclass.fromtimestamp
- ts = time.time()
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth(ts)
- # Try with and without naming the keyword.
- off42 = FixedOffset(42, "42")
- another = meth(ts, off42)
- again = meth(ts, tz=off42)
- self.assertTrue(another.tzinfo is again.tzinfo)
- self.assertEqual(another.utcoffset(), timedelta(minutes=42))
- # Bad argument with and w/o naming the keyword.
- self.assertRaises(TypeError, meth, ts, 16)
- self.assertRaises(TypeError, meth, ts, tzinfo=16)
- # Bad keyword name.
- self.assertRaises(TypeError, meth, ts, tinfo=off42)
- # Too many args.
- self.assertRaises(TypeError, meth, ts, off42, off42)
- # Too few args.
- self.assertRaises(TypeError, meth)
-
- # Try to make sure tz= actually does some conversion.
- timestamp = 1000000000
- utcdatetime = datetime.utcfromtimestamp(timestamp)
- # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take.
- # But on some flavor of Mac, it's nowhere near that. So we can't have
- # any idea here what time that actually is, we can only test that
- # relative changes match.
- utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero
- tz = FixedOffset(utcoffset, "tz", 0)
- expected = utcdatetime + utcoffset
- got = datetime.fromtimestamp(timestamp, tz)
- self.assertEqual(expected, got.replace(tzinfo=None))
-
- def test_tzinfo_utcnow(self):
- meth = self.theclass.utcnow
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth()
- # Try with and without naming the keyword; for whatever reason,
- # utcnow() doesn't accept a tzinfo argument.
- off42 = FixedOffset(42, "42")
- self.assertRaises(TypeError, meth, off42)
- self.assertRaises(TypeError, meth, tzinfo=off42)
-
- def test_tzinfo_utcfromtimestamp(self):
- import time
- meth = self.theclass.utcfromtimestamp
- ts = time.time()
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth(ts)
- # Try with and without naming the keyword; for whatever reason,
- # utcfromtimestamp() doesn't accept a tzinfo argument.
- off42 = FixedOffset(42, "42")
- self.assertRaises(TypeError, meth, ts, off42)
- self.assertRaises(TypeError, meth, ts, tzinfo=off42)
-
- def test_tzinfo_timetuple(self):
- # TestDateTime tested most of this. datetime adds a twist to the
- # DST flag.
- class DST(tzinfo):
- def __init__(self, dstvalue):
- if isinstance(dstvalue, int):
- dstvalue = timedelta(minutes=dstvalue)
- self.dstvalue = dstvalue
- def dst(self, dt):
- return self.dstvalue
-
- cls = self.theclass
- for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1):
- d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue))
- t = d.timetuple()
- self.assertEqual(1, t.tm_year)
- self.assertEqual(1, t.tm_mon)
- self.assertEqual(1, t.tm_mday)
- self.assertEqual(10, t.tm_hour)
- self.assertEqual(20, t.tm_min)
- self.assertEqual(30, t.tm_sec)
- self.assertEqual(0, t.tm_wday)
- self.assertEqual(1, t.tm_yday)
- self.assertEqual(flag, t.tm_isdst)
-
- # dst() returns wrong type.
- self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple)
-
- # dst() at the edge.
- self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1)
- self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1)
-
- # dst() out of range.
- self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple)
- self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple)
-
- def test_utctimetuple(self):
- class DST(tzinfo):
- def __init__(self, dstvalue=0):
- if isinstance(dstvalue, int):
- dstvalue = timedelta(minutes=dstvalue)
- self.dstvalue = dstvalue
- def dst(self, dt):
- return self.dstvalue
-
- cls = self.theclass
- # This can't work: DST didn't implement utcoffset.
- self.assertRaises(NotImplementedError,
- cls(1, 1, 1, tzinfo=DST(0)).utcoffset)
-
- class UOFS(DST):
- def __init__(self, uofs, dofs=None):
- DST.__init__(self, dofs)
- self.uofs = timedelta(minutes=uofs)
- def utcoffset(self, dt):
- return self.uofs
-
- for dstvalue in -33, 33, 0, None:
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=UOFS(-53, dstvalue))
- t = d.utctimetuple()
- self.assertEqual(d.year, t.tm_year)
- self.assertEqual(d.month, t.tm_mon)
- self.assertEqual(d.day, t.tm_mday)
- self.assertEqual(11, t.tm_hour) # 20mm + 53mm = 1hn + 13mm
- self.assertEqual(13, t.tm_min)
- self.assertEqual(d.second, t.tm_sec)
- self.assertEqual(d.weekday(), t.tm_wday)
- self.assertEqual(d.toordinal() - date(1, 1, 1).toordinal() + 1,
- t.tm_yday)
- # Ensure tm_isdst is 0 regardless of what dst() says: DST
- # is never in effect for a UTC time.
- self.assertEqual(0, t.tm_isdst)
-
- # For naive datetime, utctimetuple == timetuple except for isdst
- d = cls(1, 2, 3, 10, 20, 30, 40)
- t = d.utctimetuple()
- self.assertEqual(t[:-1], d.timetuple()[:-1])
- self.assertEqual(0, t.tm_isdst)
- # Same if utcoffset is None
- class NOFS(DST):
- def utcoffset(self, dt):
- return None
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS())
- t = d.utctimetuple()
- self.assertEqual(t[:-1], d.timetuple()[:-1])
- self.assertEqual(0, t.tm_isdst)
- # Check that bad tzinfo is detected
- class BOFS(DST):
- def utcoffset(self, dt):
- return "EST"
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=BOFS())
- self.assertRaises(TypeError, d.utctimetuple)
-
- # Check that utctimetuple() is the same as
- # astimezone(utc).timetuple()
- d = cls(2010, 11, 13, 14, 15, 16, 171819)
- for tz in [timezone.min, timezone.utc, timezone.max]:
- dtz = d.replace(tzinfo=tz)
- self.assertEqual(dtz.utctimetuple()[:-1],
- dtz.astimezone(timezone.utc).timetuple()[:-1])
- # At the edges, UTC adjustment can produce years out-of-range
- # for a datetime object. Ensure that an OverflowError is
- # raised.
- tiny = cls(MINYEAR, 1, 1, 0, 0, 37, tzinfo=UOFS(1439))
- # That goes back 1 minute less than a full day.
- self.assertRaises(OverflowError, tiny.utctimetuple)
-
- huge = cls(MAXYEAR, 12, 31, 23, 59, 37, 999999, tzinfo=UOFS(-1439))
- # That goes forward 1 minute less than a full day.
- self.assertRaises(OverflowError, huge.utctimetuple)
- # More overflow cases
- tiny = cls.min.replace(tzinfo=timezone(MINUTE))
- self.assertRaises(OverflowError, tiny.utctimetuple)
- huge = cls.max.replace(tzinfo=timezone(-MINUTE))
- self.assertRaises(OverflowError, huge.utctimetuple)
-
- def test_tzinfo_isoformat(self):
- zero = FixedOffset(0, "+00:00")
- plus = FixedOffset(220, "+03:40")
- minus = FixedOffset(-231, "-03:51")
- unknown = FixedOffset(None, "")
-
- cls = self.theclass
- datestr = '0001-02-03'
- for ofs in None, zero, plus, minus, unknown:
- for us in 0, 987001:
- d = cls(1, 2, 3, 4, 5, 59, us, tzinfo=ofs)
- timestr = '04:05:59' + (us and '.987001' or '')
- ofsstr = ofs is not None and d.tzname() or ''
- tailstr = timestr + ofsstr
- iso = d.isoformat()
- self.assertEqual(iso, datestr + 'T' + tailstr)
- self.assertEqual(iso, d.isoformat('T'))
- self.assertEqual(d.isoformat('k'), datestr + 'k' + tailstr)
- self.assertEqual(d.isoformat('\u1234'), datestr + '\u1234' + tailstr)
- self.assertEqual(str(d), datestr + ' ' + tailstr)
-
- def test_replace(self):
- cls = self.theclass
- z100 = FixedOffset(100, "+100")
- zm200 = FixedOffset(timedelta(minutes=-200), "-200")
- args = [1, 2, 3, 4, 5, 6, 7, z100]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4),
- ("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8),
- ("tzinfo", zm200)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Ensure we can get rid of a tzinfo.
- self.assertEqual(base.tzname(), "+100")
- base2 = base.replace(tzinfo=None)
- self.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is base3.tzinfo)
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_more_astimezone(self):
- # The inherited test_astimezone covered some trivial and error cases.
- fnone = FixedOffset(None, "None")
- f44m = FixedOffset(44, "44")
- fm5h = FixedOffset(-timedelta(hours=5), "m300")
-
- dt = self.theclass.now(tz=f44m)
- self.assertTrue(dt.tzinfo is f44m)
- # Replacing with degenerate tzinfo raises an exception.
- self.assertRaises(ValueError, dt.astimezone, fnone)
- # Ditto with None tz.
- self.assertRaises(TypeError, dt.astimezone, None)
- # Replacing with same tzinfo makes no change.
- x = dt.astimezone(dt.tzinfo)
- self.assertTrue(x.tzinfo is f44m)
- self.assertEqual(x.date(), dt.date())
- self.assertEqual(x.time(), dt.time())
-
- # Replacing with different tzinfo does adjust.
- got = dt.astimezone(fm5h)
- self.assertTrue(got.tzinfo is fm5h)
- self.assertEqual(got.utcoffset(), timedelta(hours=-5))
- expected = dt - dt.utcoffset() # in effect, convert to UTC
- expected += fm5h.utcoffset(dt) # and from there to local time
- expected = expected.replace(tzinfo=fm5h) # and attach new tzinfo
- self.assertEqual(got.date(), expected.date())
- self.assertEqual(got.time(), expected.time())
- self.assertEqual(got.timetz(), expected.timetz())
- self.assertTrue(got.tzinfo is expected.tzinfo)
- self.assertEqual(got, expected)
-
- def test_aware_subtract(self):
- cls = self.theclass
-
- # Ensure that utcoffset() is ignored when the operands have the
- # same tzinfo member.
- class OperandDependentOffset(tzinfo):
- def utcoffset(self, t):
- if t.minute < 10:
- # d0 and d1 equal after adjustment
- return timedelta(minutes=t.minute)
- else:
- # d2 off in the weeds
- return timedelta(minutes=59)
-
- base = cls(8, 9, 10, 11, 12, 13, 14, tzinfo=OperandDependentOffset())
- d0 = base.replace(minute=3)
- d1 = base.replace(minute=9)
- d2 = base.replace(minute=11)
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = x - y
- expected = timedelta(minutes=x.minute - y.minute)
- self.assertEqual(got, expected)
-
- # OTOH, if the tzinfo members are distinct, utcoffsets aren't
- # ignored.
- base = cls(8, 9, 10, 11, 12, 13, 14)
- d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
- d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
- d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = x - y
- if (x is d0 or x is d1) and (y is d0 or y is d1):
- expected = timedelta(0)
- elif x is y is d2:
- expected = timedelta(0)
- elif x is d2:
- expected = timedelta(minutes=(11-59)-0)
- else:
- assert y is d2
- expected = timedelta(minutes=0-(11-59))
- self.assertEqual(got, expected)
-
- def test_mixed_compare(self):
- t1 = datetime(1, 2, 3, 4, 5, 6, 7)
- t2 = datetime(1, 2, 3, 4, 5, 6, 7)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=None)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(None, ""))
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(0, ""))
- self.assertRaises(TypeError, lambda: t1 == t2)
-
- # In datetime w/ identical tzinfo objects, utcoffset is ignored.
- class Varies(tzinfo):
- def __init__(self):
- self.offset = timedelta(minutes=22)
- def utcoffset(self, t):
- self.offset += timedelta(minutes=1)
- return self.offset
-
- v = Varies()
- t1 = t2.replace(tzinfo=v)
- t2 = t2.replace(tzinfo=v)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
- self.assertEqual(t1, t2)
-
- # But if they're not identical, it isn't ignored.
- t2 = t2.replace(tzinfo=Varies())
- self.assertTrue(t1 < t2) # t1's offset counter still going up
-
- def test_subclass_datetimetz(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.year
-
- args = 2002, 12, 31, 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.year - 7)
-
-# Pain to set up DST-aware tzinfo classes.
-
-def first_sunday_on_or_after(dt):
- days_to_go = 6 - dt.weekday()
- if days_to_go:
- dt += timedelta(days_to_go)
- return dt
-
-ZERO = timedelta(0)
-MINUTE = timedelta(minutes=1)
-HOUR = timedelta(hours=1)
-DAY = timedelta(days=1)
-# In the US, DST starts at 2am (standard time) on the first Sunday in April.
-DSTSTART = datetime(1, 4, 1, 2)
-# and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct,
-# which is the first Sunday on or after Oct 25. Because we view 1:MM as
-# being standard time on that day, there is no spelling in local time of
-# the last hour of DST (that's 1:MM DST, but 1:MM is taken as standard time).
-DSTEND = datetime(1, 10, 25, 1)
-
-class USTimeZone(tzinfo):
-
- def __init__(self, hours, reprname, stdname, dstname):
- self.stdoffset = timedelta(hours=hours)
- self.reprname = reprname
- self.stdname = stdname
- self.dstname = dstname
-
- def __repr__(self):
- return self.reprname
-
- def tzname(self, dt):
- if self.dst(dt):
- return self.dstname
- else:
- return self.stdname
-
- def utcoffset(self, dt):
- return self.stdoffset + self.dst(dt)
-
- def dst(self, dt):
- if dt is None or dt.tzinfo is None:
- # An exception instead may be sensible here, in one or more of
- # the cases.
- return ZERO
- assert dt.tzinfo is self
-
- # Find first Sunday in April.
- start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year))
- assert start.weekday() == 6 and start.month == 4 and start.day <= 7
-
- # Find last Sunday in October.
- end = first_sunday_on_or_after(DSTEND.replace(year=dt.year))
- assert end.weekday() == 6 and end.month == 10 and end.day >= 25
-
- # Can't compare naive to aware objects, so strip the timezone from
- # dt first.
- if start <= dt.replace(tzinfo=None) < end:
- return HOUR
- else:
- return ZERO
-
-Eastern = USTimeZone(-5, "Eastern", "EST", "EDT")
-Central = USTimeZone(-6, "Central", "CST", "CDT")
-Mountain = USTimeZone(-7, "Mountain", "MST", "MDT")
-Pacific = USTimeZone(-8, "Pacific", "PST", "PDT")
-utc_real = FixedOffset(0, "UTC", 0)
-# For better test coverage, we want another flavor of UTC that's west of
-# the Eastern and Pacific timezones.
-utc_fake = FixedOffset(-12*60, "UTCfake", 0)
-
-class TestTimezoneConversions(unittest.TestCase):
- # The DST switch times for 2002, in std time.
- dston = datetime(2002, 4, 7, 2)
- dstoff = datetime(2002, 10, 27, 1)
-
- theclass = datetime
-
- # Check a time that's inside DST.
- def checkinside(self, dt, tz, utc, dston, dstoff):
- self.assertEqual(dt.dst(), HOUR)
-
- # Conversion to our own timezone is always an identity.
- self.assertEqual(dt.astimezone(tz), dt)
-
- asutc = dt.astimezone(utc)
- there_and_back = asutc.astimezone(tz)
-
- # Conversion to UTC and back isn't always an identity here,
- # because there are redundant spellings (in local time) of
- # UTC time when DST begins: the clock jumps from 1:59:59
- # to 3:00:00, and a local time of 2:MM:SS doesn't really
- # make sense then. The classes above treat 2:MM:SS as
- # daylight time then (it's "after 2am"), really an alias
- # for 1:MM:SS standard time. The latter form is what
- # conversion back from UTC produces.
- if dt.date() == dston.date() and dt.hour == 2:
- # We're in the redundant hour, and coming back from
- # UTC gives the 1:MM:SS standard-time spelling.
- self.assertEqual(there_and_back + HOUR, dt)
- # Although during was considered to be in daylight
- # time, there_and_back is not.
- self.assertEqual(there_and_back.dst(), ZERO)
- # They're the same times in UTC.
- self.assertEqual(there_and_back.astimezone(utc),
- dt.astimezone(utc))
- else:
- # We're not in the redundant hour.
- self.assertEqual(dt, there_and_back)
-
- # Because we have a redundant spelling when DST begins, there is
- # (unforunately) an hour when DST ends that can't be spelled at all in
- # local time. When DST ends, the clock jumps from 1:59 back to 1:00
- # again. The hour 1:MM DST has no spelling then: 1:MM is taken to be
- # standard time. 1:MM DST == 0:MM EST, but 0:MM is taken to be
- # daylight time. The hour 1:MM daylight == 0:MM standard can't be
- # expressed in local time. Nevertheless, we want conversion back
- # from UTC to mimic the local clock's "repeat an hour" behavior.
- nexthour_utc = asutc + HOUR
- nexthour_tz = nexthour_utc.astimezone(tz)
- if dt.date() == dstoff.date() and dt.hour == 0:
- # We're in the hour before the last DST hour. The last DST hour
- # is ineffable. We want the conversion back to repeat 1:MM.
- self.assertEqual(nexthour_tz, dt.replace(hour=1))
- nexthour_utc += HOUR
- nexthour_tz = nexthour_utc.astimezone(tz)
- self.assertEqual(nexthour_tz, dt.replace(hour=1))
- else:
- self.assertEqual(nexthour_tz - dt, HOUR)
-
- # Check a time that's outside DST.
- def checkoutside(self, dt, tz, utc):
- self.assertEqual(dt.dst(), ZERO)
-
- # Conversion to our own timezone is always an identity.
- self.assertEqual(dt.astimezone(tz), dt)
-
- # Converting to UTC and back is an identity too.
- asutc = dt.astimezone(utc)
- there_and_back = asutc.astimezone(tz)
- self.assertEqual(dt, there_and_back)
-
- def convert_between_tz_and_utc(self, tz, utc):
- dston = self.dston.replace(tzinfo=tz)
- # Because 1:MM on the day DST ends is taken as being standard time,
- # there is no spelling in tz for the last hour of daylight time.
- # For purposes of the test, the last hour of DST is 0:MM, which is
- # taken as being daylight time (and 1:MM is taken as being standard
- # time).
- dstoff = self.dstoff.replace(tzinfo=tz)
- for delta in (timedelta(weeks=13),
- DAY,
- HOUR,
- timedelta(minutes=1),
- timedelta(microseconds=1)):
-
- self.checkinside(dston, tz, utc, dston, dstoff)
- for during in dston + delta, dstoff - delta:
- self.checkinside(during, tz, utc, dston, dstoff)
-
- self.checkoutside(dstoff, tz, utc)
- for outside in dston - delta, dstoff + delta:
- self.checkoutside(outside, tz, utc)
-
- def test_easy(self):
- # Despite the name of this test, the endcases are excruciating.
- self.convert_between_tz_and_utc(Eastern, utc_real)
- self.convert_between_tz_and_utc(Pacific, utc_real)
- self.convert_between_tz_and_utc(Eastern, utc_fake)
- self.convert_between_tz_and_utc(Pacific, utc_fake)
- # The next is really dancing near the edge. It works because
- # Pacific and Eastern are far enough apart that their "problem
- # hours" don't overlap.
- self.convert_between_tz_and_utc(Eastern, Pacific)
- self.convert_between_tz_and_utc(Pacific, Eastern)
- # OTOH, these fail! Don't enable them. The difficulty is that
- # the edge case tests assume that every hour is representable in
- # the "utc" class. This is always true for a fixed-offset tzinfo
- # class (lke utc_real and utc_fake), but not for Eastern or Central.
- # For these adjacent DST-aware time zones, the range of time offsets
- # tested ends up creating hours in the one that aren't representable
- # in the other. For the same reason, we would see failures in the
- # Eastern vs Pacific tests too if we added 3*HOUR to the list of
- # offset deltas in convert_between_tz_and_utc().
- #
- # self.convert_between_tz_and_utc(Eastern, Central) # can't work
- # self.convert_between_tz_and_utc(Central, Eastern) # can't work
-
- def test_tricky(self):
- # 22:00 on day before daylight starts.
- fourback = self.dston - timedelta(hours=4)
- ninewest = FixedOffset(-9*60, "-0900", 0)
- fourback = fourback.replace(tzinfo=ninewest)
- # 22:00-0900 is 7:00 UTC == 2:00 EST == 3:00 DST. Since it's "after
- # 2", we should get the 3 spelling.
- # If we plug 22:00 the day before into Eastern, it "looks like std
- # time", so its offset is returned as -5, and -5 - -9 = 4. Adding 4
- # to 22:00 lands on 2:00, which makes no sense in local time (the
- # local clock jumps from 1 to 3). The point here is to make sure we
- # get the 3 spelling.
- expected = self.dston.replace(hour=3)
- got = fourback.astimezone(Eastern).replace(tzinfo=None)
- self.assertEqual(expected, got)
-
- # Similar, but map to 6:00 UTC == 1:00 EST == 2:00 DST. In that
- # case we want the 1:00 spelling.
- sixutc = self.dston.replace(hour=6, tzinfo=utc_real)
- # Now 6:00 "looks like daylight", so the offset wrt Eastern is -4,
- # and adding -4-0 == -4 gives the 2:00 spelling. We want the 1:00 EST
- # spelling.
- expected = self.dston.replace(hour=1)
- got = sixutc.astimezone(Eastern).replace(tzinfo=None)
- self.assertEqual(expected, got)
-
- # Now on the day DST ends, we want "repeat an hour" behavior.
- # UTC 4:MM 5:MM 6:MM 7:MM checking these
- # EST 23:MM 0:MM 1:MM 2:MM
- # EDT 0:MM 1:MM 2:MM 3:MM
- # wall 0:MM 1:MM 1:MM 2:MM against these
- for utc in utc_real, utc_fake:
- for tz in Eastern, Pacific:
- first_std_hour = self.dstoff - timedelta(hours=2) # 23:MM
- # Convert that to UTC.
- first_std_hour -= tz.utcoffset(None)
- # Adjust for possibly fake UTC.
- asutc = first_std_hour + utc.utcoffset(None)
- # First UTC hour to convert; this is 4:00 when utc=utc_real &
- # tz=Eastern.
- asutcbase = asutc.replace(tzinfo=utc)
- for tzhour in (0, 1, 1, 2):
- expectedbase = self.dstoff.replace(hour=tzhour)
- for minute in 0, 30, 59:
- expected = expectedbase.replace(minute=minute)
- asutc = asutcbase.replace(minute=minute)
- astz = asutc.astimezone(tz)
- self.assertEqual(astz.replace(tzinfo=None), expected)
- asutcbase += HOUR
-
-
- def test_bogus_dst(self):
- class ok(tzinfo):
- def utcoffset(self, dt): return HOUR
- def dst(self, dt): return HOUR
-
- now = self.theclass.now().replace(tzinfo=utc_real)
- # Doesn't blow up.
- now.astimezone(ok())
-
- # Does blow up.
- class notok(ok):
- def dst(self, dt): return None
- self.assertRaises(ValueError, now.astimezone, notok())
-
- # Sometimes blow up. In the following, tzinfo.dst()
- # implementation may return None or not None depending on
- # whether DST is assumed to be in effect. In this situation,
- # a ValueError should be raised by astimezone().
- class tricky_notok(ok):
- def dst(self, dt):
- if dt.year == 2000:
- return None
- else:
- return 10*HOUR
- dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real)
- self.assertRaises(ValueError, dt.astimezone, tricky_notok())
-
- def test_fromutc(self):
- self.assertRaises(TypeError, Eastern.fromutc) # not enough args
- now = datetime.utcnow().replace(tzinfo=utc_real)
- self.assertRaises(ValueError, Eastern.fromutc, now) # wrong tzinfo
- now = now.replace(tzinfo=Eastern) # insert correct tzinfo
- enow = Eastern.fromutc(now) # doesn't blow up
- self.assertEqual(enow.tzinfo, Eastern) # has right tzinfo member
- self.assertRaises(TypeError, Eastern.fromutc, now, now) # too many args
- self.assertRaises(TypeError, Eastern.fromutc, date.today()) # wrong type
-
- # Always converts UTC to standard time.
- class FauxUSTimeZone(USTimeZone):
- def fromutc(self, dt):
- return dt + self.stdoffset
- FEastern = FauxUSTimeZone(-5, "FEastern", "FEST", "FEDT")
-
- # UTC 4:MM 5:MM 6:MM 7:MM 8:MM 9:MM
- # EST 23:MM 0:MM 1:MM 2:MM 3:MM 4:MM
- # EDT 0:MM 1:MM 2:MM 3:MM 4:MM 5:MM
-
- # Check around DST start.
- start = self.dston.replace(hour=4, tzinfo=Eastern)
- fstart = start.replace(tzinfo=FEastern)
- for wall in 23, 0, 1, 3, 4, 5:
- expected = start.replace(hour=wall)
- if wall == 23:
- expected -= timedelta(days=1)
- got = Eastern.fromutc(start)
- self.assertEqual(expected, got)
-
- expected = fstart + FEastern.stdoffset
- got = FEastern.fromutc(fstart)
- self.assertEqual(expected, got)
-
- # Ensure astimezone() calls fromutc() too.
- got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
- self.assertEqual(expected, got)
-
- start += HOUR
- fstart += HOUR
-
- # Check around DST end.
- start = self.dstoff.replace(hour=4, tzinfo=Eastern)
- fstart = start.replace(tzinfo=FEastern)
- for wall in 0, 1, 1, 2, 3, 4:
- expected = start.replace(hour=wall)
- got = Eastern.fromutc(start)
- self.assertEqual(expected, got)
-
- expected = fstart + FEastern.stdoffset
- got = FEastern.fromutc(fstart)
- self.assertEqual(expected, got)
-
- # Ensure astimezone() calls fromutc() too.
- got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
- self.assertEqual(expected, got)
-
- start += HOUR
- fstart += HOUR
-
-
-#############################################################################
-# oddballs
-
-class Oddballs(unittest.TestCase):
-
- def test_bug_1028306(self):
- # Trying to compare a date to a datetime should act like a mixed-
- # type comparison, despite that datetime is a subclass of date.
- as_date = date.today()
- as_datetime = datetime.combine(as_date, time())
- self.assertTrue(as_date != as_datetime)
- self.assertTrue(as_datetime != as_date)
- self.assertTrue(not as_date == as_datetime)
- self.assertTrue(not as_datetime == as_date)
- self.assertRaises(TypeError, lambda: as_date < as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime < as_date)
- self.assertRaises(TypeError, lambda: as_date <= as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime <= as_date)
- self.assertRaises(TypeError, lambda: as_date > as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime > as_date)
- self.assertRaises(TypeError, lambda: as_date >= as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime >= as_date)
-
- # Neverthelss, comparison should work with the base-class (date)
- # projection if use of a date method is forced.
- self.assertEqual(as_date.__eq__(as_datetime), True)
- different_day = (as_date.day + 1) % 20 + 1
- as_different = as_datetime.replace(day= different_day)
- self.assertEqual(as_date.__eq__(as_different), False)
-
- # And date should compare with other subclasses of date. If a
- # subclass wants to stop this, it's up to the subclass to do so.
- date_sc = SubclassDate(as_date.year, as_date.month, as_date.day)
- self.assertEqual(as_date, date_sc)
- self.assertEqual(date_sc, as_date)
-
- # Ditto for datetimes.
- datetime_sc = SubclassDatetime(as_datetime.year, as_datetime.month,
- as_date.day, 0, 0, 0)
- self.assertEqual(as_datetime, datetime_sc)
- self.assertEqual(datetime_sc, as_datetime)
-
def test_main():
- support.run_unittest(__name__)
+ run_unittest(__name__)
if __name__ == "__main__":
test_main()
+
Index: Modules/_datetimemodule.c
===================================================================
--- Modules/_datetimemodule.c (revision 82659)
+++ Modules/_datetimemodule.c (working copy)
@@ -25,7 +25,7 @@
* final result fits in a C int (this can be an issue on 64-bit boxes).
*/
#if SIZEOF_INT < 4
-# error "datetime.c requires that C int have at least 32 bits"
+# error "_datetime.c requires that C int have at least 32 bits"
#endif
#define MINYEAR 1
@@ -5086,7 +5086,7 @@
static struct PyModuleDef datetimemodule = {
PyModuleDef_HEAD_INIT,
- "datetime",
+ "_datetime",
"Fast implementation of the datetime type.",
-1,
module_methods,
@@ -5097,7 +5097,7 @@
};
PyMODINIT_FUNC
-PyInit_datetime(void)
+PyInit__datetime(void)
{
PyObject *m; /* a module object */
PyObject *d; /* its dict */
Index: Modules/datetimemodule.c
===================================================================
--- Modules/datetimemodule.c (revision 82847)
+++ Modules/datetimemodule.c (working copy)
@@ -1,5488 +0,0 @@
-/* C implementation for the date/time type documented at
- * http://www.zope.org/Members/fdrake/DateTimeWiki/FrontPage
- */
-
-#include "Python.h"
-#include "modsupport.h"
-#include "structmember.h"
-
-#include
-
-#include "timefuncs.h"
-
-/* Differentiate between building the core module and building extension
- * modules.
- */
-#ifndef Py_BUILD_CORE
-#define Py_BUILD_CORE
-#endif
-#include "datetime.h"
-#undef Py_BUILD_CORE
-
-/* We require that C int be at least 32 bits, and use int virtually
- * everywhere. In just a few cases we use a temp long, where a Python
- * API returns a C long. In such cases, we have to ensure that the
- * final result fits in a C int (this can be an issue on 64-bit boxes).
- */
-#if SIZEOF_INT < 4
-# error "datetime.c requires that C int have at least 32 bits"
-#endif
-
-#define MINYEAR 1
-#define MAXYEAR 9999
-#define MAXORDINAL 3652059 /* date(9999,12,31).toordinal() */
-
-/* Nine decimal digits is easy to communicate, and leaves enough room
- * so that two delta days can be added w/o fear of overflowing a signed
- * 32-bit int, and with plenty of room left over to absorb any possible
- * carries from adding seconds.
- */
-#define MAX_DELTA_DAYS 999999999
-
-/* Rename the long macros in datetime.h to more reasonable short names. */
-#define GET_YEAR PyDateTime_GET_YEAR
-#define GET_MONTH PyDateTime_GET_MONTH
-#define GET_DAY PyDateTime_GET_DAY
-#define DATE_GET_HOUR PyDateTime_DATE_GET_HOUR
-#define DATE_GET_MINUTE PyDateTime_DATE_GET_MINUTE
-#define DATE_GET_SECOND PyDateTime_DATE_GET_SECOND
-#define DATE_GET_MICROSECOND PyDateTime_DATE_GET_MICROSECOND
-
-/* Date accessors for date and datetime. */
-#define SET_YEAR(o, v) (((o)->data[0] = ((v) & 0xff00) >> 8), \
- ((o)->data[1] = ((v) & 0x00ff)))
-#define SET_MONTH(o, v) (PyDateTime_GET_MONTH(o) = (v))
-#define SET_DAY(o, v) (PyDateTime_GET_DAY(o) = (v))
-
-/* Date/Time accessors for datetime. */
-#define DATE_SET_HOUR(o, v) (PyDateTime_DATE_GET_HOUR(o) = (v))
-#define DATE_SET_MINUTE(o, v) (PyDateTime_DATE_GET_MINUTE(o) = (v))
-#define DATE_SET_SECOND(o, v) (PyDateTime_DATE_GET_SECOND(o) = (v))
-#define DATE_SET_MICROSECOND(o, v) \
- (((o)->data[7] = ((v) & 0xff0000) >> 16), \
- ((o)->data[8] = ((v) & 0x00ff00) >> 8), \
- ((o)->data[9] = ((v) & 0x0000ff)))
-
-/* Time accessors for time. */
-#define TIME_GET_HOUR PyDateTime_TIME_GET_HOUR
-#define TIME_GET_MINUTE PyDateTime_TIME_GET_MINUTE
-#define TIME_GET_SECOND PyDateTime_TIME_GET_SECOND
-#define TIME_GET_MICROSECOND PyDateTime_TIME_GET_MICROSECOND
-#define TIME_SET_HOUR(o, v) (PyDateTime_TIME_GET_HOUR(o) = (v))
-#define TIME_SET_MINUTE(o, v) (PyDateTime_TIME_GET_MINUTE(o) = (v))
-#define TIME_SET_SECOND(o, v) (PyDateTime_TIME_GET_SECOND(o) = (v))
-#define TIME_SET_MICROSECOND(o, v) \
- (((o)->data[3] = ((v) & 0xff0000) >> 16), \
- ((o)->data[4] = ((v) & 0x00ff00) >> 8), \
- ((o)->data[5] = ((v) & 0x0000ff)))
-
-/* Delta accessors for timedelta. */
-#define GET_TD_DAYS(o) (((PyDateTime_Delta *)(o))->days)
-#define GET_TD_SECONDS(o) (((PyDateTime_Delta *)(o))->seconds)
-#define GET_TD_MICROSECONDS(o) (((PyDateTime_Delta *)(o))->microseconds)
-
-#define SET_TD_DAYS(o, v) ((o)->days = (v))
-#define SET_TD_SECONDS(o, v) ((o)->seconds = (v))
-#define SET_TD_MICROSECONDS(o, v) ((o)->microseconds = (v))
-
-/* p is a pointer to a time or a datetime object; HASTZINFO(p) returns
- * p->hastzinfo.
- */
-#define HASTZINFO(p) (((_PyDateTime_BaseTZInfo *)(p))->hastzinfo)
-#define GET_TIME_TZINFO(p) (HASTZINFO(p) ? \
- ((PyDateTime_Time *)(p))->tzinfo : Py_None)
-#define GET_DT_TZINFO(p) (HASTZINFO(p) ? \
- ((PyDateTime_DateTime *)(p))->tzinfo : Py_None)
-/* M is a char or int claiming to be a valid month. The macro is equivalent
- * to the two-sided Python test
- * 1 <= M <= 12
- */
-#define MONTH_IS_SANE(M) ((unsigned int)(M) - 1 < 12)
-
-/* Forward declarations. */
-static PyTypeObject PyDateTime_DateType;
-static PyTypeObject PyDateTime_DateTimeType;
-static PyTypeObject PyDateTime_DeltaType;
-static PyTypeObject PyDateTime_TimeType;
-static PyTypeObject PyDateTime_TZInfoType;
-static PyTypeObject PyDateTime_TimeZoneType;
-
-/* ---------------------------------------------------------------------------
- * Math utilities.
- */
-
-/* k = i+j overflows iff k differs in sign from both inputs,
- * iff k^i has sign bit set and k^j has sign bit set,
- * iff (k^i)&(k^j) has sign bit set.
- */
-#define SIGNED_ADD_OVERFLOWED(RESULT, I, J) \
- ((((RESULT) ^ (I)) & ((RESULT) ^ (J))) < 0)
-
-/* Compute Python divmod(x, y), returning the quotient and storing the
- * remainder into *r. The quotient is the floor of x/y, and that's
- * the real point of this. C will probably truncate instead (C99
- * requires truncation; C89 left it implementation-defined).
- * Simplification: we *require* that y > 0 here. That's appropriate
- * for all the uses made of it. This simplifies the code and makes
- * the overflow case impossible (divmod(LONG_MIN, -1) is the only
- * overflow case).
- */
-static int
-divmod(int x, int y, int *r)
-{
- int quo;
-
- assert(y > 0);
- quo = x / y;
- *r = x - quo * y;
- if (*r < 0) {
- --quo;
- *r += y;
- }
- assert(0 <= *r && *r < y);
- return quo;
-}
-
-/* Round a double to the nearest long. |x| must be small enough to fit
- * in a C long; this is not checked.
- */
-static long
-round_to_long(double x)
-{
- if (x >= 0.0)
- x = floor(x + 0.5);
- else
- x = ceil(x - 0.5);
- return (long)x;
-}
-
-/* Nearest integer to m / n for integers m and n. Half-integer results
- * are rounded to even.
- */
-static PyObject *
-divide_nearest(PyObject *m, PyObject *n)
-{
- PyObject *result;
- PyObject *temp;
-
- temp = _PyLong_DivmodNear(m, n);
- if (temp == NULL)
- return NULL;
- result = PyTuple_GET_ITEM(temp, 0);
- Py_INCREF(result);
- Py_DECREF(temp);
-
- return result;
-}
-
-/* ---------------------------------------------------------------------------
- * General calendrical helper functions
- */
-
-/* For each month ordinal in 1..12, the number of days in that month,
- * and the number of days before that month in the same year. These
- * are correct for non-leap years only.
- */
-static int _days_in_month[] = {
- 0, /* unused; this vector uses 1-based indexing */
- 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-static int _days_before_month[] = {
- 0, /* unused; this vector uses 1-based indexing */
- 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
-};
-
-/* year -> 1 if leap year, else 0. */
-static int
-is_leap(int year)
-{
- /* Cast year to unsigned. The result is the same either way, but
- * C can generate faster code for unsigned mod than for signed
- * mod (especially for % 4 -- a good compiler should just grab
- * the last 2 bits when the LHS is unsigned).
- */
- const unsigned int ayear = (unsigned int)year;
- return ayear % 4 == 0 && (ayear % 100 != 0 || ayear % 400 == 0);
-}
-
-/* year, month -> number of days in that month in that year */
-static int
-days_in_month(int year, int month)
-{
- assert(month >= 1);
- assert(month <= 12);
- if (month == 2 && is_leap(year))
- return 29;
- else
- return _days_in_month[month];
-}
-
-/* year, month -> number of days in year preceeding first day of month */
-static int
-days_before_month(int year, int month)
-{
- int days;
-
- assert(month >= 1);
- assert(month <= 12);
- days = _days_before_month[month];
- if (month > 2 && is_leap(year))
- ++days;
- return days;
-}
-
-/* year -> number of days before January 1st of year. Remember that we
- * start with year 1, so days_before_year(1) == 0.
- */
-static int
-days_before_year(int year)
-{
- int y = year - 1;
- /* This is incorrect if year <= 0; we really want the floor
- * here. But so long as MINYEAR is 1, the smallest year this
- * can see is 0 (this can happen in some normalization endcases),
- * so we'll just special-case that.
- */
- assert (year >= 0);
- if (y >= 0)
- return y*365 + y/4 - y/100 + y/400;
- else {
- assert(y == -1);
- return -366;
- }
-}
-
-/* Number of days in 4, 100, and 400 year cycles. That these have
- * the correct values is asserted in the module init function.
- */
-#define DI4Y 1461 /* days_before_year(5); days in 4 years */
-#define DI100Y 36524 /* days_before_year(101); days in 100 years */
-#define DI400Y 146097 /* days_before_year(401); days in 400 years */
-
-/* ordinal -> year, month, day, considering 01-Jan-0001 as day 1. */
-static void
-ord_to_ymd(int ordinal, int *year, int *month, int *day)
-{
- int n, n1, n4, n100, n400, leapyear, preceding;
-
- /* ordinal is a 1-based index, starting at 1-Jan-1. The pattern of
- * leap years repeats exactly every 400 years. The basic strategy is
- * to find the closest 400-year boundary at or before ordinal, then
- * work with the offset from that boundary to ordinal. Life is much
- * clearer if we subtract 1 from ordinal first -- then the values
- * of ordinal at 400-year boundaries are exactly those divisible
- * by DI400Y:
- *
- * D M Y n n-1
- * -- --- ---- ---------- ----------------
- * 31 Dec -400 -DI400Y -DI400Y -1
- * 1 Jan -399 -DI400Y +1 -DI400Y 400-year boundary
- * ...
- * 30 Dec 000 -1 -2
- * 31 Dec 000 0 -1
- * 1 Jan 001 1 0 400-year boundary
- * 2 Jan 001 2 1
- * 3 Jan 001 3 2
- * ...
- * 31 Dec 400 DI400Y DI400Y -1
- * 1 Jan 401 DI400Y +1 DI400Y 400-year boundary
- */
- assert(ordinal >= 1);
- --ordinal;
- n400 = ordinal / DI400Y;
- n = ordinal % DI400Y;
- *year = n400 * 400 + 1;
-
- /* Now n is the (non-negative) offset, in days, from January 1 of
- * year, to the desired date. Now compute how many 100-year cycles
- * precede n.
- * Note that it's possible for n100 to equal 4! In that case 4 full
- * 100-year cycles precede the desired day, which implies the
- * desired day is December 31 at the end of a 400-year cycle.
- */
- n100 = n / DI100Y;
- n = n % DI100Y;
-
- /* Now compute how many 4-year cycles precede it. */
- n4 = n / DI4Y;
- n = n % DI4Y;
-
- /* And now how many single years. Again n1 can be 4, and again
- * meaning that the desired day is December 31 at the end of the
- * 4-year cycle.
- */
- n1 = n / 365;
- n = n % 365;
-
- *year += n100 * 100 + n4 * 4 + n1;
- if (n1 == 4 || n100 == 4) {
- assert(n == 0);
- *year -= 1;
- *month = 12;
- *day = 31;
- return;
- }
-
- /* Now the year is correct, and n is the offset from January 1. We
- * find the month via an estimate that's either exact or one too
- * large.
- */
- leapyear = n1 == 3 && (n4 != 24 || n100 == 3);
- assert(leapyear == is_leap(*year));
- *month = (n + 50) >> 5;
- preceding = (_days_before_month[*month] + (*month > 2 && leapyear));
- if (preceding > n) {
- /* estimate is too large */
- *month -= 1;
- preceding -= days_in_month(*year, *month);
- }
- n -= preceding;
- assert(0 <= n);
- assert(n < days_in_month(*year, *month));
-
- *day = n + 1;
-}
-
-/* year, month, day -> ordinal, considering 01-Jan-0001 as day 1. */
-static int
-ymd_to_ord(int year, int month, int day)
-{
- return days_before_year(year) + days_before_month(year, month) + day;
-}
-
-/* Day of week, where Monday==0, ..., Sunday==6. 1/1/1 was a Monday. */
-static int
-weekday(int year, int month, int day)
-{
- return (ymd_to_ord(year, month, day) + 6) % 7;
-}
-
-/* Ordinal of the Monday starting week 1 of the ISO year. Week 1 is the
- * first calendar week containing a Thursday.
- */
-static int
-iso_week1_monday(int year)
-{
- int first_day = ymd_to_ord(year, 1, 1); /* ord of 1/1 */
- /* 0 if 1/1 is a Monday, 1 if a Tue, etc. */
- int first_weekday = (first_day + 6) % 7;
- /* ordinal of closest Monday at or before 1/1 */
- int week1_monday = first_day - first_weekday;
-
- if (first_weekday > 3) /* if 1/1 was Fri, Sat, Sun */
- week1_monday += 7;
- return week1_monday;
-}
-
-/* ---------------------------------------------------------------------------
- * Range checkers.
- */
-
-/* Check that -MAX_DELTA_DAYS <= days <= MAX_DELTA_DAYS. If so, return 0.
- * If not, raise OverflowError and return -1.
- */
-static int
-check_delta_day_range(int days)
-{
- if (-MAX_DELTA_DAYS <= days && days <= MAX_DELTA_DAYS)
- return 0;
- PyErr_Format(PyExc_OverflowError,
- "days=%d; must have magnitude <= %d",
- days, MAX_DELTA_DAYS);
- return -1;
-}
-
-/* Check that date arguments are in range. Return 0 if they are. If they
- * aren't, raise ValueError and return -1.
- */
-static int
-check_date_args(int year, int month, int day)
-{
-
- if (year < MINYEAR || year > MAXYEAR) {
- PyErr_SetString(PyExc_ValueError,
- "year is out of range");
- return -1;
- }
- if (month < 1 || month > 12) {
- PyErr_SetString(PyExc_ValueError,
- "month must be in 1..12");
- return -1;
- }
- if (day < 1 || day > days_in_month(year, month)) {
- PyErr_SetString(PyExc_ValueError,
- "day is out of range for month");
- return -1;
- }
- return 0;
-}
-
-/* Check that time arguments are in range. Return 0 if they are. If they
- * aren't, raise ValueError and return -1.
- */
-static int
-check_time_args(int h, int m, int s, int us)
-{
- if (h < 0 || h > 23) {
- PyErr_SetString(PyExc_ValueError,
- "hour must be in 0..23");
- return -1;
- }
- if (m < 0 || m > 59) {
- PyErr_SetString(PyExc_ValueError,
- "minute must be in 0..59");
- return -1;
- }
- if (s < 0 || s > 59) {
- PyErr_SetString(PyExc_ValueError,
- "second must be in 0..59");
- return -1;
- }
- if (us < 0 || us > 999999) {
- PyErr_SetString(PyExc_ValueError,
- "microsecond must be in 0..999999");
- return -1;
- }
- return 0;
-}
-
-/* ---------------------------------------------------------------------------
- * Normalization utilities.
- */
-
-/* One step of a mixed-radix conversion. A "hi" unit is equivalent to
- * factor "lo" units. factor must be > 0. If *lo is less than 0, or
- * at least factor, enough of *lo is converted into "hi" units so that
- * 0 <= *lo < factor. The input values must be such that int overflow
- * is impossible.
- */
-static void
-normalize_pair(int *hi, int *lo, int factor)
-{
- assert(factor > 0);
- assert(lo != hi);
- if (*lo < 0 || *lo >= factor) {
- const int num_hi = divmod(*lo, factor, lo);
- const int new_hi = *hi + num_hi;
- assert(! SIGNED_ADD_OVERFLOWED(new_hi, *hi, num_hi));
- *hi = new_hi;
- }
- assert(0 <= *lo && *lo < factor);
-}
-
-/* Fiddle days (d), seconds (s), and microseconds (us) so that
- * 0 <= *s < 24*3600
- * 0 <= *us < 1000000
- * The input values must be such that the internals don't overflow.
- * The way this routine is used, we don't get close.
- */
-static void
-normalize_d_s_us(int *d, int *s, int *us)
-{
- if (*us < 0 || *us >= 1000000) {
- normalize_pair(s, us, 1000000);
- /* |s| can't be bigger than about
- * |original s| + |original us|/1000000 now.
- */
-
- }
- if (*s < 0 || *s >= 24*3600) {
- normalize_pair(d, s, 24*3600);
- /* |d| can't be bigger than about
- * |original d| +
- * (|original s| + |original us|/1000000) / (24*3600) now.
- */
- }
- assert(0 <= *s && *s < 24*3600);
- assert(0 <= *us && *us < 1000000);
-}
-
-/* Fiddle years (y), months (m), and days (d) so that
- * 1 <= *m <= 12
- * 1 <= *d <= days_in_month(*y, *m)
- * The input values must be such that the internals don't overflow.
- * The way this routine is used, we don't get close.
- */
-static int
-normalize_y_m_d(int *y, int *m, int *d)
-{
- int dim; /* # of days in month */
-
- /* This gets muddy: the proper range for day can't be determined
- * without knowing the correct month and year, but if day is, e.g.,
- * plus or minus a million, the current month and year values make
- * no sense (and may also be out of bounds themselves).
- * Saying 12 months == 1 year should be non-controversial.
- */
- if (*m < 1 || *m > 12) {
- --*m;
- normalize_pair(y, m, 12);
- ++*m;
- /* |y| can't be bigger than about
- * |original y| + |original m|/12 now.
- */
- }
- assert(1 <= *m && *m <= 12);
-
- /* Now only day can be out of bounds (year may also be out of bounds
- * for a datetime object, but we don't care about that here).
- * If day is out of bounds, what to do is arguable, but at least the
- * method here is principled and explainable.
- */
- dim = days_in_month(*y, *m);
- if (*d < 1 || *d > dim) {
- /* Move day-1 days from the first of the month. First try to
- * get off cheap if we're only one day out of range
- * (adjustments for timezone alone can't be worse than that).
- */
- if (*d == 0) {
- --*m;
- if (*m > 0)
- *d = days_in_month(*y, *m);
- else {
- --*y;
- *m = 12;
- *d = 31;
- }
- }
- else if (*d == dim + 1) {
- /* move forward a day */
- ++*m;
- *d = 1;
- if (*m > 12) {
- *m = 1;
- ++*y;
- }
- }
- else {
- int ordinal = ymd_to_ord(*y, *m, 1) +
- *d - 1;
- if (ordinal < 1 || ordinal > MAXORDINAL) {
- goto error;
- } else {
- ord_to_ymd(ordinal, y, m, d);
- return 0;
- }
- }
- }
- assert(*m > 0);
- assert(*d > 0);
- if (MINYEAR <= *y && *y <= MAXYEAR)
- return 0;
- error:
- PyErr_SetString(PyExc_OverflowError,
- "date value out of range");
- return -1;
-
-}
-
-/* Fiddle out-of-bounds months and days so that the result makes some kind
- * of sense. The parameters are both inputs and outputs. Returns < 0 on
- * failure, where failure means the adjusted year is out of bounds.
- */
-static int
-normalize_date(int *year, int *month, int *day)
-{
- return normalize_y_m_d(year, month, day);
-}
-
-/* Force all the datetime fields into range. The parameters are both
- * inputs and outputs. Returns < 0 on error.
- */
-static int
-normalize_datetime(int *year, int *month, int *day,
- int *hour, int *minute, int *second,
- int *microsecond)
-{
- normalize_pair(second, microsecond, 1000000);
- normalize_pair(minute, second, 60);
- normalize_pair(hour, minute, 60);
- normalize_pair(day, hour, 24);
- return normalize_date(year, month, day);
-}
-
-/* ---------------------------------------------------------------------------
- * Basic object allocation: tp_alloc implementations. These allocate
- * Python objects of the right size and type, and do the Python object-
- * initialization bit. If there's not enough memory, they return NULL after
- * setting MemoryError. All data members remain uninitialized trash.
- *
- * We abuse the tp_alloc "nitems" argument to communicate whether a tzinfo
- * member is needed. This is ugly, imprecise, and possibly insecure.
- * tp_basicsize for the time and datetime types is set to the size of the
- * struct that has room for the tzinfo member, so subclasses in Python will
- * allocate enough space for a tzinfo member whether or not one is actually
- * needed. That's the "ugly and imprecise" parts. The "possibly insecure"
- * part is that PyType_GenericAlloc() (which subclasses in Python end up
- * using) just happens today to effectively ignore the nitems argument
- * when tp_itemsize is 0, which it is for these type objects. If that
- * changes, perhaps the callers of tp_alloc slots in this file should
- * be changed to force a 0 nitems argument unless the type being allocated
- * is a base type implemented in this file (so that tp_alloc is time_alloc
- * or datetime_alloc below, which know about the nitems abuse).
- */
-
-static PyObject *
-time_alloc(PyTypeObject *type, Py_ssize_t aware)
-{
- PyObject *self;
-
- self = (PyObject *)
- PyObject_MALLOC(aware ?
- sizeof(PyDateTime_Time) :
- sizeof(_PyDateTime_BaseTime));
- if (self == NULL)
- return (PyObject *)PyErr_NoMemory();
- PyObject_INIT(self, type);
- return self;
-}
-
-static PyObject *
-datetime_alloc(PyTypeObject *type, Py_ssize_t aware)
-{
- PyObject *self;
-
- self = (PyObject *)
- PyObject_MALLOC(aware ?
- sizeof(PyDateTime_DateTime) :
- sizeof(_PyDateTime_BaseDateTime));
- if (self == NULL)
- return (PyObject *)PyErr_NoMemory();
- PyObject_INIT(self, type);
- return self;
-}
-
-/* ---------------------------------------------------------------------------
- * Helpers for setting object fields. These work on pointers to the
- * appropriate base class.
- */
-
-/* For date and datetime. */
-static void
-set_date_fields(PyDateTime_Date *self, int y, int m, int d)
-{
- self->hashcode = -1;
- SET_YEAR(self, y);
- SET_MONTH(self, m);
- SET_DAY(self, d);
-}
-
-/* ---------------------------------------------------------------------------
- * Create various objects, mostly without range checking.
- */
-
-/* Create a date instance with no range checking. */
-static PyObject *
-new_date_ex(int year, int month, int day, PyTypeObject *type)
-{
- PyDateTime_Date *self;
-
- self = (PyDateTime_Date *) (type->tp_alloc(type, 0));
- if (self != NULL)
- set_date_fields(self, year, month, day);
- return (PyObject *) self;
-}
-
-#define new_date(year, month, day) \
- new_date_ex(year, month, day, &PyDateTime_DateType)
-
-/* Create a datetime instance with no range checking. */
-static PyObject *
-new_datetime_ex(int year, int month, int day, int hour, int minute,
- int second, int usecond, PyObject *tzinfo, PyTypeObject *type)
-{
- PyDateTime_DateTime *self;
- char aware = tzinfo != Py_None;
-
- self = (PyDateTime_DateTime *) (type->tp_alloc(type, aware));
- if (self != NULL) {
- self->hastzinfo = aware;
- set_date_fields((PyDateTime_Date *)self, year, month, day);
- DATE_SET_HOUR(self, hour);
- DATE_SET_MINUTE(self, minute);
- DATE_SET_SECOND(self, second);
- DATE_SET_MICROSECOND(self, usecond);
- if (aware) {
- Py_INCREF(tzinfo);
- self->tzinfo = tzinfo;
- }
- }
- return (PyObject *)self;
-}
-
-#define new_datetime(y, m, d, hh, mm, ss, us, tzinfo) \
- new_datetime_ex(y, m, d, hh, mm, ss, us, tzinfo, \
- &PyDateTime_DateTimeType)
-
-/* Create a time instance with no range checking. */
-static PyObject *
-new_time_ex(int hour, int minute, int second, int usecond,
- PyObject *tzinfo, PyTypeObject *type)
-{
- PyDateTime_Time *self;
- char aware = tzinfo != Py_None;
-
- self = (PyDateTime_Time *) (type->tp_alloc(type, aware));
- if (self != NULL) {
- self->hastzinfo = aware;
- self->hashcode = -1;
- TIME_SET_HOUR(self, hour);
- TIME_SET_MINUTE(self, minute);
- TIME_SET_SECOND(self, second);
- TIME_SET_MICROSECOND(self, usecond);
- if (aware) {
- Py_INCREF(tzinfo);
- self->tzinfo = tzinfo;
- }
- }
- return (PyObject *)self;
-}
-
-#define new_time(hh, mm, ss, us, tzinfo) \
- new_time_ex(hh, mm, ss, us, tzinfo, &PyDateTime_TimeType)
-
-/* Create a timedelta instance. Normalize the members iff normalize is
- * true. Passing false is a speed optimization, if you know for sure
- * that seconds and microseconds are already in their proper ranges. In any
- * case, raises OverflowError and returns NULL if the normalized days is out
- * of range).
- */
-static PyObject *
-new_delta_ex(int days, int seconds, int microseconds, int normalize,
- PyTypeObject *type)
-{
- PyDateTime_Delta *self;
-
- if (normalize)
- normalize_d_s_us(&days, &seconds, µseconds);
- assert(0 <= seconds && seconds < 24*3600);
- assert(0 <= microseconds && microseconds < 1000000);
-
- if (check_delta_day_range(days) < 0)
- return NULL;
-
- self = (PyDateTime_Delta *) (type->tp_alloc(type, 0));
- if (self != NULL) {
- self->hashcode = -1;
- SET_TD_DAYS(self, days);
- SET_TD_SECONDS(self, seconds);
- SET_TD_MICROSECONDS(self, microseconds);
- }
- return (PyObject *) self;
-}
-
-#define new_delta(d, s, us, normalize) \
- new_delta_ex(d, s, us, normalize, &PyDateTime_DeltaType)
-
-
-typedef struct
-{
- PyObject_HEAD
- PyObject *offset;
- PyObject *name;
-} PyDateTime_TimeZone;
-
-PyObject *PyDateTime_TimeZone_UTC;
-
-/* Create new timezone instance checking offset range. This
- function does not check the name argument. Caller must assure
- that offset is a timedelta instance and name is either NULL
- or a unicode object. */
-static PyObject *
-new_timezone(PyObject *offset, PyObject *name)
-{
- PyDateTime_TimeZone *self;
- PyTypeObject *type = &PyDateTime_TimeZoneType;
-
- assert(offset != NULL);
- assert(PyDelta_Check(offset));
- assert(name == NULL || PyUnicode_Check(name));
-
- if (GET_TD_MICROSECONDS(offset) != 0 || GET_TD_SECONDS(offset) % 60 != 0) {
- PyErr_Format(PyExc_ValueError, "offset must be a timedelta"
- " representing a whole number of minutes");
- return NULL;
- }
- if ((GET_TD_DAYS(offset) == -1 && GET_TD_SECONDS(offset) == 0) ||
- GET_TD_DAYS(offset) < -1 || GET_TD_DAYS(offset) >= 1) {
- PyErr_Format(PyExc_ValueError, "offset must be a timedelta"
- " strictly between -timedelta(hours=24) and"
- " timedelta(hours=24).");
- return NULL;
- }
-
- self = (PyDateTime_TimeZone *)(type->tp_alloc(type, 0));
- if (self == NULL) {
- return NULL;
- }
- Py_INCREF(offset);
- self->offset = offset;
- Py_XINCREF(name);
- self->name = name;
- return (PyObject *)self;
-}
-
-/* ---------------------------------------------------------------------------
- * tzinfo helpers.
- */
-
-/* Ensure that p is None or of a tzinfo subclass. Return 0 if OK; if not
- * raise TypeError and return -1.
- */
-static int
-check_tzinfo_subclass(PyObject *p)
-{
- if (p == Py_None || PyTZInfo_Check(p))
- return 0;
- PyErr_Format(PyExc_TypeError,
- "tzinfo argument must be None or of a tzinfo subclass, "
- "not type '%s'",
- Py_TYPE(p)->tp_name);
- return -1;
-}
-
-/* If self has a tzinfo member, return a BORROWED reference to it. Else
- * return NULL, which is NOT AN ERROR. There are no error returns here,
- * and the caller must not decref the result.
- */
-static PyObject *
-get_tzinfo_member(PyObject *self)
-{
- PyObject *tzinfo = NULL;
-
- if (PyDateTime_Check(self) && HASTZINFO(self))
- tzinfo = ((PyDateTime_DateTime *)self)->tzinfo;
- else if (PyTime_Check(self) && HASTZINFO(self))
- tzinfo = ((PyDateTime_Time *)self)->tzinfo;
-
- return tzinfo;
-}
-
-/* Call getattr(tzinfo, name)(tzinfoarg), and check the result. tzinfo must
- * be an instance of the tzinfo class. If the method returns None, this
- * returns None. If the method doesn't return None or timedelta, TypeError is
- * raised and this returns NULL. If it returns a timedelta and the value is
- * out of range or isn't a whole number of minutes, ValueError is raised and
- * this returns NULL. Else result is returned.
- */
-static PyObject *
-call_tzinfo_method(PyObject *tzinfo, char *name, PyObject *tzinfoarg)
-{
- PyObject *offset;
-
- assert(tzinfo != NULL);
- assert(PyTZInfo_Check(tzinfo) || tzinfo == Py_None);
- assert(tzinfoarg != NULL);
-
- if (tzinfo == Py_None)
- Py_RETURN_NONE;
- offset = PyObject_CallMethod(tzinfo, name, "O", tzinfoarg);
- if (offset == Py_None || offset == NULL)
- return offset;
- if (PyDelta_Check(offset)) {
- if (GET_TD_MICROSECONDS(offset) != 0 || GET_TD_SECONDS(offset) % 60 != 0) {
- Py_DECREF(offset);
- PyErr_Format(PyExc_ValueError, "offset must be a timedelta"
- " representing a whole number of minutes");
- return NULL;
- }
- if ((GET_TD_DAYS(offset) == -1 && GET_TD_SECONDS(offset) == 0) ||
- GET_TD_DAYS(offset) < -1 || GET_TD_DAYS(offset) >= 1) {
- Py_DECREF(offset);
- PyErr_Format(PyExc_ValueError, "offset must be a timedelta"
- " strictly between -timedelta(hours=24) and"
- " timedelta(hours=24).");
- return NULL;
- }
- }
- else {
- Py_DECREF(offset);
- PyErr_Format(PyExc_TypeError,
- "tzinfo.%s() must return None or "
- "timedelta, not '%.200s'",
- name, Py_TYPE(offset)->tp_name);
- return NULL;
- }
-
- return offset;
-}
-
-/* Call tzinfo.utcoffset(tzinfoarg), and extract an integer from the
- * result. tzinfo must be an instance of the tzinfo class. If utcoffset()
- * returns None, call_utcoffset returns 0 and sets *none to 1. If uctoffset()
- * doesn't return None or timedelta, TypeError is raised and this returns -1.
- * If utcoffset() returns an invalid timedelta (out of range, or not a whole
- * # of minutes), ValueError is raised and this returns -1. Else *none is
- * set to 0 and the offset is returned (as int # of minutes east of UTC).
- */
-static PyObject *
-call_utcoffset(PyObject *tzinfo, PyObject *tzinfoarg)
-{
- return call_tzinfo_method(tzinfo, "utcoffset", tzinfoarg);
-}
-
-/* Call tzinfo.dst(tzinfoarg), and extract an integer from the
- * result. tzinfo must be an instance of the tzinfo class. If dst()
- * returns None, call_dst returns 0 and sets *none to 1. If dst()
- & doesn't return None or timedelta, TypeError is raised and this
- * returns -1. If dst() returns an invalid timedelta for a UTC offset,
- * ValueError is raised and this returns -1. Else *none is set to 0 and
- * the offset is returned (as an int # of minutes east of UTC).
- */
-static PyObject *
-call_dst(PyObject *tzinfo, PyObject *tzinfoarg)
-{
- return call_tzinfo_method(tzinfo, "dst", tzinfoarg);
-}
-
-/* Call tzinfo.tzname(tzinfoarg), and return the result. tzinfo must be
- * an instance of the tzinfo class or None. If tzinfo isn't None, and
- * tzname() doesn't return None or a string, TypeError is raised and this
- * returns NULL. If the result is a string, we ensure it is a Unicode
- * string.
- */
-static PyObject *
-call_tzname(PyObject *tzinfo, PyObject *tzinfoarg)
-{
- PyObject *result;
-
- assert(tzinfo != NULL);
- assert(check_tzinfo_subclass(tzinfo) >= 0);
- assert(tzinfoarg != NULL);
-
- if (tzinfo == Py_None)
- Py_RETURN_NONE;
-
- result = PyObject_CallMethod(tzinfo, "tzname", "O", tzinfoarg);
-
- if (result == NULL || result == Py_None)
- return result;
-
- if (!PyUnicode_Check(result)) {
- PyErr_Format(PyExc_TypeError, "tzinfo.tzname() must "
- "return None or a string, not '%s'",
- Py_TYPE(result)->tp_name);
- Py_DECREF(result);
- result = NULL;
- }
-
- return result;
-}
-
-/* repr is like "someclass(arg1, arg2)". If tzinfo isn't None,
- * stuff
- * ", tzinfo=" + repr(tzinfo)
- * before the closing ")".
- */
-static PyObject *
-append_keyword_tzinfo(PyObject *repr, PyObject *tzinfo)
-{
- PyObject *temp;
-
- assert(PyUnicode_Check(repr));
- assert(tzinfo);
- if (tzinfo == Py_None)
- return repr;
- /* Get rid of the trailing ')'. */
- assert(PyUnicode_AS_UNICODE(repr)[PyUnicode_GET_SIZE(repr)-1] == ')');
- temp = PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(repr),
- PyUnicode_GET_SIZE(repr) - 1);
- Py_DECREF(repr);
- if (temp == NULL)
- return NULL;
- repr = PyUnicode_FromFormat("%U, tzinfo=%R)", temp, tzinfo);
- Py_DECREF(temp);
- return repr;
-}
-
-/* ---------------------------------------------------------------------------
- * String format helpers.
- */
-
-static PyObject *
-format_ctime(PyDateTime_Date *date, int hours, int minutes, int seconds)
-{
- static const char *DayNames[] = {
- "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
- };
- static const char *MonthNames[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- };
-
- int wday = weekday(GET_YEAR(date), GET_MONTH(date), GET_DAY(date));
-
- return PyUnicode_FromFormat("%s %s %2d %02d:%02d:%02d %04d",
- DayNames[wday], MonthNames[GET_MONTH(date)-1],
- GET_DAY(date), hours, minutes, seconds,
- GET_YEAR(date));
-}
-
-static PyObject *delta_negative(PyDateTime_Delta *self);
-
-/* Add an hours & minutes UTC offset string to buf. buf has no more than
- * buflen bytes remaining. The UTC offset is gotten by calling
- * tzinfo.uctoffset(tzinfoarg). If that returns None, \0 is stored into
- * *buf, and that's all. Else the returned value is checked for sanity (an
- * integer in range), and if that's OK it's converted to an hours & minutes
- * string of the form
- * sign HH sep MM
- * Returns 0 if everything is OK. If the return value from utcoffset() is
- * bogus, an appropriate exception is set and -1 is returned.
- */
-static int
-format_utcoffset(char *buf, size_t buflen, const char *sep,
- PyObject *tzinfo, PyObject *tzinfoarg)
-{
- PyObject *offset;
- int hours, minutes, seconds;
- char sign;
-
- assert(buflen >= 1);
-
- offset = call_utcoffset(tzinfo, tzinfoarg);
- if (offset == NULL)
- return -1;
- if (offset == Py_None) {
- Py_DECREF(offset);
- *buf = '\0';
- return 0;
- }
- /* Offset is normalized, so it is negative if days < 0 */
- if (GET_TD_DAYS(offset) < 0) {
- PyObject *temp = offset;
- sign = '-';
- offset = delta_negative((PyDateTime_Delta *)offset);
- Py_DECREF(temp);
- if (offset == NULL)
- return -1;
- }
- else {
- sign = '+';
- }
- /* Offset is not negative here. */
- seconds = GET_TD_SECONDS(offset);
- Py_DECREF(offset);
- minutes = divmod(seconds, 60, &seconds);
- hours = divmod(minutes, 60, &minutes);
- assert(seconds == 0);
- /* XXX ignore sub-minute data, curently not allowed. */
- PyOS_snprintf(buf, buflen, "%c%02d%s%02d", sign, hours, sep, minutes);
-
- return 0;
-}
-
-static PyObject *
-make_Zreplacement(PyObject *object, PyObject *tzinfoarg)
-{
- PyObject *temp;
- PyObject *tzinfo = get_tzinfo_member(object);
- PyObject *Zreplacement = PyUnicode_FromStringAndSize(NULL, 0);
- if (Zreplacement == NULL)
- return NULL;
- if (tzinfo == Py_None || tzinfo == NULL)
- return Zreplacement;
-
- assert(tzinfoarg != NULL);
- temp = call_tzname(tzinfo, tzinfoarg);
- if (temp == NULL)
- goto Error;
- if (temp == Py_None) {
- Py_DECREF(temp);
- return Zreplacement;
- }
-
- assert(PyUnicode_Check(temp));
- /* Since the tzname is getting stuffed into the
- * format, we have to double any % signs so that
- * strftime doesn't treat them as format codes.
- */
- Py_DECREF(Zreplacement);
- Zreplacement = PyObject_CallMethod(temp, "replace", "ss", "%", "%%");
- Py_DECREF(temp);
- if (Zreplacement == NULL)
- return NULL;
- if (!PyUnicode_Check(Zreplacement)) {
- PyErr_SetString(PyExc_TypeError,
- "tzname.replace() did not return a string");
- goto Error;
- }
- return Zreplacement;
-
- Error:
- Py_DECREF(Zreplacement);
- return NULL;
-}
-
-static PyObject *
-make_freplacement(PyObject *object)
-{
- char freplacement[64];
- if (PyTime_Check(object))
- sprintf(freplacement, "%06d", TIME_GET_MICROSECOND(object));
- else if (PyDateTime_Check(object))
- sprintf(freplacement, "%06d", DATE_GET_MICROSECOND(object));
- else
- sprintf(freplacement, "%06d", 0);
-
- return PyBytes_FromStringAndSize(freplacement, strlen(freplacement));
-}
-
-/* I sure don't want to reproduce the strftime code from the time module,
- * so this imports the module and calls it. All the hair is due to
- * giving special meanings to the %z, %Z and %f format codes via a
- * preprocessing step on the format string.
- * tzinfoarg is the argument to pass to the object's tzinfo method, if
- * needed.
- */
-static PyObject *
-wrap_strftime(PyObject *object, PyObject *format, PyObject *timetuple,
- PyObject *tzinfoarg)
-{
- PyObject *result = NULL; /* guilty until proved innocent */
-
- PyObject *zreplacement = NULL; /* py string, replacement for %z */
- PyObject *Zreplacement = NULL; /* py string, replacement for %Z */
- PyObject *freplacement = NULL; /* py string, replacement for %f */
-
- const char *pin; /* pointer to next char in input format */
- Py_ssize_t flen; /* length of input format */
- char ch; /* next char in input format */
-
- PyObject *newfmt = NULL; /* py string, the output format */
- char *pnew; /* pointer to available byte in output format */
- size_t totalnew; /* number bytes total in output format buffer,
- exclusive of trailing \0 */
- size_t usednew; /* number bytes used so far in output format buffer */
-
- const char *ptoappend; /* ptr to string to append to output buffer */
- Py_ssize_t ntoappend; /* # of bytes to append to output buffer */
-
- assert(object && format && timetuple);
- assert(PyUnicode_Check(format));
- /* Convert the input format to a C string and size */
- pin = _PyUnicode_AsStringAndSize(format, &flen);
- if (!pin)
- return NULL;
-
- /* Give up if the year is before 1900.
- * Python strftime() plays games with the year, and different
- * games depending on whether envar PYTHON2K is set. This makes
- * years before 1900 a nightmare, even if the platform strftime
- * supports them (and not all do).
- * We could get a lot farther here by avoiding Python's strftime
- * wrapper and calling the C strftime() directly, but that isn't
- * an option in the Python implementation of this module.
- */
- {
- long year;
- PyObject *pyyear = PySequence_GetItem(timetuple, 0);
- if (pyyear == NULL) return NULL;
- assert(PyLong_Check(pyyear));
- year = PyLong_AsLong(pyyear);
- Py_DECREF(pyyear);
- if (year < 1900) {
- PyErr_Format(PyExc_ValueError, "year=%ld is before "
- "1900; the datetime strftime() "
- "methods require year >= 1900",
- year);
- return NULL;
- }
- }
-
- /* Scan the input format, looking for %z/%Z/%f escapes, building
- * a new format. Since computing the replacements for those codes
- * is expensive, don't unless they're actually used.
- */
- if (flen > INT_MAX - 1) {
- PyErr_NoMemory();
- goto Done;
- }
-
- totalnew = flen + 1; /* realistic if no %z/%Z */
- newfmt = PyBytes_FromStringAndSize(NULL, totalnew);
- if (newfmt == NULL) goto Done;
- pnew = PyBytes_AsString(newfmt);
- usednew = 0;
-
- while ((ch = *pin++) != '\0') {
- if (ch != '%') {
- ptoappend = pin - 1;
- ntoappend = 1;
- }
- else if ((ch = *pin++) == '\0') {
- /* There's a lone trailing %; doesn't make sense. */
- PyErr_SetString(PyExc_ValueError, "strftime format "
- "ends with raw %");
- goto Done;
- }
- /* A % has been seen and ch is the character after it. */
- else if (ch == 'z') {
- if (zreplacement == NULL) {
- /* format utcoffset */
- char buf[100];
- PyObject *tzinfo = get_tzinfo_member(object);
- zreplacement = PyBytes_FromStringAndSize("", 0);
- if (zreplacement == NULL) goto Done;
- if (tzinfo != Py_None && tzinfo != NULL) {
- assert(tzinfoarg != NULL);
- if (format_utcoffset(buf,
- sizeof(buf),
- "",
- tzinfo,
- tzinfoarg) < 0)
- goto Done;
- Py_DECREF(zreplacement);
- zreplacement =
- PyBytes_FromStringAndSize(buf,
- strlen(buf));
- if (zreplacement == NULL)
- goto Done;
- }
- }
- assert(zreplacement != NULL);
- ptoappend = PyBytes_AS_STRING(zreplacement);
- ntoappend = PyBytes_GET_SIZE(zreplacement);
- }
- else if (ch == 'Z') {
- /* format tzname */
- if (Zreplacement == NULL) {
- Zreplacement = make_Zreplacement(object,
- tzinfoarg);
- if (Zreplacement == NULL)
- goto Done;
- }
- assert(Zreplacement != NULL);
- assert(PyUnicode_Check(Zreplacement));
- ptoappend = _PyUnicode_AsStringAndSize(Zreplacement,
- &ntoappend);
- ntoappend = Py_SIZE(Zreplacement);
- }
- else if (ch == 'f') {
- /* format microseconds */
- if (freplacement == NULL) {
- freplacement = make_freplacement(object);
- if (freplacement == NULL)
- goto Done;
- }
- assert(freplacement != NULL);
- assert(PyBytes_Check(freplacement));
- ptoappend = PyBytes_AS_STRING(freplacement);
- ntoappend = PyBytes_GET_SIZE(freplacement);
- }
- else {
- /* percent followed by neither z nor Z */
- ptoappend = pin - 2;
- ntoappend = 2;
- }
-
- /* Append the ntoappend chars starting at ptoappend to
- * the new format.
- */
- if (ntoappend == 0)
- continue;
- assert(ptoappend != NULL);
- assert(ntoappend > 0);
- while (usednew + ntoappend > totalnew) {
- size_t bigger = totalnew << 1;
- if ((bigger >> 1) != totalnew) { /* overflow */
- PyErr_NoMemory();
- goto Done;
- }
- if (_PyBytes_Resize(&newfmt, bigger) < 0)
- goto Done;
- totalnew = bigger;
- pnew = PyBytes_AsString(newfmt) + usednew;
- }
- memcpy(pnew, ptoappend, ntoappend);
- pnew += ntoappend;
- usednew += ntoappend;
- assert(usednew <= totalnew);
- } /* end while() */
-
- if (_PyBytes_Resize(&newfmt, usednew) < 0)
- goto Done;
- {
- PyObject *format;
- PyObject *time = PyImport_ImportModuleNoBlock("time");
- if (time == NULL)
- goto Done;
- format = PyUnicode_FromString(PyBytes_AS_STRING(newfmt));
- if (format != NULL) {
- result = PyObject_CallMethod(time, "strftime", "OO",
- format, timetuple, NULL);
- Py_DECREF(format);
- }
- Py_DECREF(time);
- }
- Done:
- Py_XDECREF(freplacement);
- Py_XDECREF(zreplacement);
- Py_XDECREF(Zreplacement);
- Py_XDECREF(newfmt);
- return result;
-}
-
-/* ---------------------------------------------------------------------------
- * Wrap functions from the time module. These aren't directly available
- * from C. Perhaps they should be.
- */
-
-/* Call time.time() and return its result (a Python float). */
-static PyObject *
-time_time(void)
-{
- PyObject *result = NULL;
- PyObject *time = PyImport_ImportModuleNoBlock("time");
-
- if (time != NULL) {
- result = PyObject_CallMethod(time, "time", "()");
- Py_DECREF(time);
- }
- return result;
-}
-
-/* Build a time.struct_time. The weekday and day number are automatically
- * computed from the y,m,d args.
- */
-static PyObject *
-build_struct_time(int y, int m, int d, int hh, int mm, int ss, int dstflag)
-{
- PyObject *time;
- PyObject *result = NULL;
-
- time = PyImport_ImportModuleNoBlock("time");
- if (time != NULL) {
- result = PyObject_CallMethod(time, "struct_time",
- "((iiiiiiiii))",
- y, m, d,
- hh, mm, ss,
- weekday(y, m, d),
- days_before_month(y, m) + d,
- dstflag);
- Py_DECREF(time);
- }
- return result;
-}
-
-/* ---------------------------------------------------------------------------
- * Miscellaneous helpers.
- */
-
-/* For various reasons, we need to use tp_richcompare instead of tp_reserved.
- * The comparisons here all most naturally compute a cmp()-like result.
- * This little helper turns that into a bool result for rich comparisons.
- */
-static PyObject *
-diff_to_bool(int diff, int op)
-{
- PyObject *result;
- int istrue;
-
- switch (op) {
- case Py_EQ: istrue = diff == 0; break;
- case Py_NE: istrue = diff != 0; break;
- case Py_LE: istrue = diff <= 0; break;
- case Py_GE: istrue = diff >= 0; break;
- case Py_LT: istrue = diff < 0; break;
- case Py_GT: istrue = diff > 0; break;
- default:
- assert(! "op unknown");
- istrue = 0; /* To shut up compiler */
- }
- result = istrue ? Py_True : Py_False;
- Py_INCREF(result);
- return result;
-}
-
-/* Raises a "can't compare" TypeError and returns NULL. */
-static PyObject *
-cmperror(PyObject *a, PyObject *b)
-{
- PyErr_Format(PyExc_TypeError,
- "can't compare %s to %s",
- Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);
- return NULL;
-}
-
-/* ---------------------------------------------------------------------------
- * Cached Python objects; these are set by the module init function.
- */
-
-/* Conversion factors. */
-static PyObject *us_per_us = NULL; /* 1 */
-static PyObject *us_per_ms = NULL; /* 1000 */
-static PyObject *us_per_second = NULL; /* 1000000 */
-static PyObject *us_per_minute = NULL; /* 1e6 * 60 as Python int */
-static PyObject *us_per_hour = NULL; /* 1e6 * 3600 as Python long */
-static PyObject *us_per_day = NULL; /* 1e6 * 3600 * 24 as Python long */
-static PyObject *us_per_week = NULL; /* 1e6*3600*24*7 as Python long */
-static PyObject *seconds_per_day = NULL; /* 3600*24 as Python int */
-
-/* ---------------------------------------------------------------------------
- * Class implementations.
- */
-
-/*
- * PyDateTime_Delta implementation.
- */
-
-/* Convert a timedelta to a number of us,
- * (24*3600*self.days + self.seconds)*1000000 + self.microseconds
- * as a Python int or long.
- * Doing mixed-radix arithmetic by hand instead is excruciating in C,
- * due to ubiquitous overflow possibilities.
- */
-static PyObject *
-delta_to_microseconds(PyDateTime_Delta *self)
-{
- PyObject *x1 = NULL;
- PyObject *x2 = NULL;
- PyObject *x3 = NULL;
- PyObject *result = NULL;
-
- x1 = PyLong_FromLong(GET_TD_DAYS(self));
- if (x1 == NULL)
- goto Done;
- x2 = PyNumber_Multiply(x1, seconds_per_day); /* days in seconds */
- if (x2 == NULL)
- goto Done;
- Py_DECREF(x1);
- x1 = NULL;
-
- /* x2 has days in seconds */
- x1 = PyLong_FromLong(GET_TD_SECONDS(self)); /* seconds */
- if (x1 == NULL)
- goto Done;
- x3 = PyNumber_Add(x1, x2); /* days and seconds in seconds */
- if (x3 == NULL)
- goto Done;
- Py_DECREF(x1);
- Py_DECREF(x2);
- x1 = x2 = NULL;
-
- /* x3 has days+seconds in seconds */
- x1 = PyNumber_Multiply(x3, us_per_second); /* us */
- if (x1 == NULL)
- goto Done;
- Py_DECREF(x3);
- x3 = NULL;
-
- /* x1 has days+seconds in us */
- x2 = PyLong_FromLong(GET_TD_MICROSECONDS(self));
- if (x2 == NULL)
- goto Done;
- result = PyNumber_Add(x1, x2);
-
-Done:
- Py_XDECREF(x1);
- Py_XDECREF(x2);
- Py_XDECREF(x3);
- return result;
-}
-
-/* Convert a number of us (as a Python int or long) to a timedelta.
- */
-static PyObject *
-microseconds_to_delta_ex(PyObject *pyus, PyTypeObject *type)
-{
- int us;
- int s;
- int d;
- long temp;
-
- PyObject *tuple = NULL;
- PyObject *num = NULL;
- PyObject *result = NULL;
-
- tuple = PyNumber_Divmod(pyus, us_per_second);
- if (tuple == NULL)
- goto Done;
-
- num = PyTuple_GetItem(tuple, 1); /* us */
- if (num == NULL)
- goto Done;
- temp = PyLong_AsLong(num);
- num = NULL;
- if (temp == -1 && PyErr_Occurred())
- goto Done;
- assert(0 <= temp && temp < 1000000);
- us = (int)temp;
- if (us < 0) {
- /* The divisor was positive, so this must be an error. */
- assert(PyErr_Occurred());
- goto Done;
- }
-
- num = PyTuple_GetItem(tuple, 0); /* leftover seconds */
- if (num == NULL)
- goto Done;
- Py_INCREF(num);
- Py_DECREF(tuple);
-
- tuple = PyNumber_Divmod(num, seconds_per_day);
- if (tuple == NULL)
- goto Done;
- Py_DECREF(num);
-
- num = PyTuple_GetItem(tuple, 1); /* seconds */
- if (num == NULL)
- goto Done;
- temp = PyLong_AsLong(num);
- num = NULL;
- if (temp == -1 && PyErr_Occurred())
- goto Done;
- assert(0 <= temp && temp < 24*3600);
- s = (int)temp;
-
- if (s < 0) {
- /* The divisor was positive, so this must be an error. */
- assert(PyErr_Occurred());
- goto Done;
- }
-
- num = PyTuple_GetItem(tuple, 0); /* leftover days */
- if (num == NULL)
- goto Done;
- Py_INCREF(num);
- temp = PyLong_AsLong(num);
- if (temp == -1 && PyErr_Occurred())
- goto Done;
- d = (int)temp;
- if ((long)d != temp) {
- PyErr_SetString(PyExc_OverflowError, "normalized days too "
- "large to fit in a C int");
- goto Done;
- }
- result = new_delta_ex(d, s, us, 0, type);
-
-Done:
- Py_XDECREF(tuple);
- Py_XDECREF(num);
- return result;
-}
-
-#define microseconds_to_delta(pymicros) \
- microseconds_to_delta_ex(pymicros, &PyDateTime_DeltaType)
-
-static PyObject *
-multiply_int_timedelta(PyObject *intobj, PyDateTime_Delta *delta)
-{
- PyObject *pyus_in;
- PyObject *pyus_out;
- PyObject *result;
-
- pyus_in = delta_to_microseconds(delta);
- if (pyus_in == NULL)
- return NULL;
-
- pyus_out = PyNumber_Multiply(pyus_in, intobj);
- Py_DECREF(pyus_in);
- if (pyus_out == NULL)
- return NULL;
-
- result = microseconds_to_delta(pyus_out);
- Py_DECREF(pyus_out);
- return result;
-}
-
-static PyObject *
-multiply_float_timedelta(PyObject *floatobj, PyDateTime_Delta *delta)
-{
- PyObject *result = NULL;
- PyObject *pyus_in = NULL, *temp, *pyus_out;
- PyObject *ratio = NULL;
-
- pyus_in = delta_to_microseconds(delta);
- if (pyus_in == NULL)
- return NULL;
- ratio = PyObject_CallMethod(floatobj, "as_integer_ratio", NULL);
- if (ratio == NULL)
- goto error;
- temp = PyNumber_Multiply(pyus_in, PyTuple_GET_ITEM(ratio, 0));
- Py_DECREF(pyus_in);
- pyus_in = NULL;
- if (temp == NULL)
- goto error;
- pyus_out = divide_nearest(temp, PyTuple_GET_ITEM(ratio, 1));
- Py_DECREF(temp);
- if (pyus_out == NULL)
- goto error;
- result = microseconds_to_delta(pyus_out);
- Py_DECREF(pyus_out);
- error:
- Py_XDECREF(pyus_in);
- Py_XDECREF(ratio);
-
- return result;
-}
-
-static PyObject *
-divide_timedelta_int(PyDateTime_Delta *delta, PyObject *intobj)
-{
- PyObject *pyus_in;
- PyObject *pyus_out;
- PyObject *result;
-
- pyus_in = delta_to_microseconds(delta);
- if (pyus_in == NULL)
- return NULL;
-
- pyus_out = PyNumber_FloorDivide(pyus_in, intobj);
- Py_DECREF(pyus_in);
- if (pyus_out == NULL)
- return NULL;
-
- result = microseconds_to_delta(pyus_out);
- Py_DECREF(pyus_out);
- return result;
-}
-
-static PyObject *
-divide_timedelta_timedelta(PyDateTime_Delta *left, PyDateTime_Delta *right)
-{
- PyObject *pyus_left;
- PyObject *pyus_right;
- PyObject *result;
-
- pyus_left = delta_to_microseconds(left);
- if (pyus_left == NULL)
- return NULL;
-
- pyus_right = delta_to_microseconds(right);
- if (pyus_right == NULL) {
- Py_DECREF(pyus_left);
- return NULL;
- }
-
- result = PyNumber_FloorDivide(pyus_left, pyus_right);
- Py_DECREF(pyus_left);
- Py_DECREF(pyus_right);
- return result;
-}
-
-static PyObject *
-truedivide_timedelta_timedelta(PyDateTime_Delta *left, PyDateTime_Delta *right)
-{
- PyObject *pyus_left;
- PyObject *pyus_right;
- PyObject *result;
-
- pyus_left = delta_to_microseconds(left);
- if (pyus_left == NULL)
- return NULL;
-
- pyus_right = delta_to_microseconds(right);
- if (pyus_right == NULL) {
- Py_DECREF(pyus_left);
- return NULL;
- }
-
- result = PyNumber_TrueDivide(pyus_left, pyus_right);
- Py_DECREF(pyus_left);
- Py_DECREF(pyus_right);
- return result;
-}
-
-static PyObject *
-truedivide_timedelta_float(PyDateTime_Delta *delta, PyObject *f)
-{
- PyObject *result = NULL;
- PyObject *pyus_in = NULL, *temp, *pyus_out;
- PyObject *ratio = NULL;
-
- pyus_in = delta_to_microseconds(delta);
- if (pyus_in == NULL)
- return NULL;
- ratio = PyObject_CallMethod(f, "as_integer_ratio", NULL);
- if (ratio == NULL)
- goto error;
- temp = PyNumber_Multiply(pyus_in, PyTuple_GET_ITEM(ratio, 1));
- Py_DECREF(pyus_in);
- pyus_in = NULL;
- if (temp == NULL)
- goto error;
- pyus_out = divide_nearest(temp, PyTuple_GET_ITEM(ratio, 0));
- Py_DECREF(temp);
- if (pyus_out == NULL)
- goto error;
- result = microseconds_to_delta(pyus_out);
- Py_DECREF(pyus_out);
- error:
- Py_XDECREF(pyus_in);
- Py_XDECREF(ratio);
-
- return result;
-}
-
-static PyObject *
-truedivide_timedelta_int(PyDateTime_Delta *delta, PyObject *i)
-{
- PyObject *result;
- PyObject *pyus_in, *pyus_out;
- pyus_in = delta_to_microseconds(delta);
- if (pyus_in == NULL)
- return NULL;
- pyus_out = divide_nearest(pyus_in, i);
- Py_DECREF(pyus_in);
- if (pyus_out == NULL)
- return NULL;
- result = microseconds_to_delta(pyus_out);
- Py_DECREF(pyus_out);
-
- return result;
-}
-
-static PyObject *
-delta_add(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDelta_Check(left) && PyDelta_Check(right)) {
- /* delta + delta */
- /* The C-level additions can't overflow because of the
- * invariant bounds.
- */
- int days = GET_TD_DAYS(left) + GET_TD_DAYS(right);
- int seconds = GET_TD_SECONDS(left) + GET_TD_SECONDS(right);
- int microseconds = GET_TD_MICROSECONDS(left) +
- GET_TD_MICROSECONDS(right);
- result = new_delta(days, seconds, microseconds, 1);
- }
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-static PyObject *
-delta_negative(PyDateTime_Delta *self)
-{
- return new_delta(-GET_TD_DAYS(self),
- -GET_TD_SECONDS(self),
- -GET_TD_MICROSECONDS(self),
- 1);
-}
-
-static PyObject *
-delta_positive(PyDateTime_Delta *self)
-{
- /* Could optimize this (by returning self) if this isn't a
- * subclass -- but who uses unary + ? Approximately nobody.
- */
- return new_delta(GET_TD_DAYS(self),
- GET_TD_SECONDS(self),
- GET_TD_MICROSECONDS(self),
- 0);
-}
-
-static PyObject *
-delta_abs(PyDateTime_Delta *self)
-{
- PyObject *result;
-
- assert(GET_TD_MICROSECONDS(self) >= 0);
- assert(GET_TD_SECONDS(self) >= 0);
-
- if (GET_TD_DAYS(self) < 0)
- result = delta_negative(self);
- else
- result = delta_positive(self);
-
- return result;
-}
-
-static PyObject *
-delta_subtract(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDelta_Check(left) && PyDelta_Check(right)) {
- /* delta - delta */
- PyObject *minus_right = PyNumber_Negative(right);
- if (minus_right) {
- result = delta_add(left, minus_right);
- Py_DECREF(minus_right);
- }
- else
- result = NULL;
- }
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-static int
-delta_cmp(PyObject *self, PyObject *other)
-{
- int diff = GET_TD_DAYS(self) - GET_TD_DAYS(other);
- if (diff == 0) {
- diff = GET_TD_SECONDS(self) - GET_TD_SECONDS(other);
- if (diff == 0)
- diff = GET_TD_MICROSECONDS(self) -
- GET_TD_MICROSECONDS(other);
- }
- return diff;
-}
-
-static PyObject *
-delta_richcompare(PyObject *self, PyObject *other, int op)
-{
- if (PyDelta_Check(other)) {
- int diff = delta_cmp(self, other);
- return diff_to_bool(diff, op);
- }
- else {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-}
-
-static PyObject *delta_getstate(PyDateTime_Delta *self);
-
-static long
-delta_hash(PyDateTime_Delta *self)
-{
- if (self->hashcode == -1) {
- PyObject *temp = delta_getstate(self);
- if (temp != NULL) {
- self->hashcode = PyObject_Hash(temp);
- Py_DECREF(temp);
- }
- }
- return self->hashcode;
-}
-
-static PyObject *
-delta_multiply(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDelta_Check(left)) {
- /* delta * ??? */
- if (PyLong_Check(right))
- result = multiply_int_timedelta(right,
- (PyDateTime_Delta *) left);
- else if (PyFloat_Check(right))
- result = multiply_float_timedelta(right,
- (PyDateTime_Delta *) left);
- }
- else if (PyLong_Check(left))
- result = multiply_int_timedelta(left,
- (PyDateTime_Delta *) right);
- else if (PyFloat_Check(left))
- result = multiply_float_timedelta(left,
- (PyDateTime_Delta *) right);
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-static PyObject *
-delta_divide(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDelta_Check(left)) {
- /* delta * ??? */
- if (PyLong_Check(right))
- result = divide_timedelta_int(
- (PyDateTime_Delta *)left,
- right);
- else if (PyDelta_Check(right))
- result = divide_timedelta_timedelta(
- (PyDateTime_Delta *)left,
- (PyDateTime_Delta *)right);
- }
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-static PyObject *
-delta_truedivide(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDelta_Check(left)) {
- if (PyDelta_Check(right))
- result = truedivide_timedelta_timedelta(
- (PyDateTime_Delta *)left,
- (PyDateTime_Delta *)right);
- else if (PyFloat_Check(right))
- result = truedivide_timedelta_float(
- (PyDateTime_Delta *)left, right);
- else if (PyLong_Check(right))
- result = truedivide_timedelta_int(
- (PyDateTime_Delta *)left, right);
- }
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-static PyObject *
-delta_remainder(PyObject *left, PyObject *right)
-{
- PyObject *pyus_left;
- PyObject *pyus_right;
- PyObject *pyus_remainder;
- PyObject *remainder;
-
- if (!PyDelta_Check(left) || !PyDelta_Check(right)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- pyus_left = delta_to_microseconds((PyDateTime_Delta *)left);
- if (pyus_left == NULL)
- return NULL;
-
- pyus_right = delta_to_microseconds((PyDateTime_Delta *)right);
- if (pyus_right == NULL) {
- Py_DECREF(pyus_left);
- return NULL;
- }
-
- pyus_remainder = PyNumber_Remainder(pyus_left, pyus_right);
- Py_DECREF(pyus_left);
- Py_DECREF(pyus_right);
- if (pyus_remainder == NULL)
- return NULL;
-
- remainder = microseconds_to_delta(pyus_remainder);
- Py_DECREF(pyus_remainder);
- if (remainder == NULL)
- return NULL;
-
- return remainder;
-}
-
-static PyObject *
-delta_divmod(PyObject *left, PyObject *right)
-{
- PyObject *pyus_left;
- PyObject *pyus_right;
- PyObject *divmod;
- PyObject *delta;
- PyObject *result;
-
- if (!PyDelta_Check(left) || !PyDelta_Check(right)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- pyus_left = delta_to_microseconds((PyDateTime_Delta *)left);
- if (pyus_left == NULL)
- return NULL;
-
- pyus_right = delta_to_microseconds((PyDateTime_Delta *)right);
- if (pyus_right == NULL) {
- Py_DECREF(pyus_left);
- return NULL;
- }
-
- divmod = PyNumber_Divmod(pyus_left, pyus_right);
- Py_DECREF(pyus_left);
- Py_DECREF(pyus_right);
- if (divmod == NULL)
- return NULL;
-
- assert(PyTuple_Size(divmod) == 2);
- delta = microseconds_to_delta(PyTuple_GET_ITEM(divmod, 1));
- if (delta == NULL) {
- Py_DECREF(divmod);
- return NULL;
- }
- result = PyTuple_Pack(2, PyTuple_GET_ITEM(divmod, 0), delta);
- Py_DECREF(delta);
- Py_DECREF(divmod);
- return result;
-}
-
-/* Fold in the value of the tag ("seconds", "weeks", etc) component of a
- * timedelta constructor. sofar is the # of microseconds accounted for
- * so far, and there are factor microseconds per current unit, the number
- * of which is given by num. num * factor is added to sofar in a
- * numerically careful way, and that's the result. Any fractional
- * microseconds left over (this can happen if num is a float type) are
- * added into *leftover.
- * Note that there are many ways this can give an error (NULL) return.
- */
-static PyObject *
-accum(const char* tag, PyObject *sofar, PyObject *num, PyObject *factor,
- double *leftover)
-{
- PyObject *prod;
- PyObject *sum;
-
- assert(num != NULL);
-
- if (PyLong_Check(num)) {
- prod = PyNumber_Multiply(num, factor);
- if (prod == NULL)
- return NULL;
- sum = PyNumber_Add(sofar, prod);
- Py_DECREF(prod);
- return sum;
- }
-
- if (PyFloat_Check(num)) {
- double dnum;
- double fracpart;
- double intpart;
- PyObject *x;
- PyObject *y;
-
- /* The Plan: decompose num into an integer part and a
- * fractional part, num = intpart + fracpart.
- * Then num * factor ==
- * intpart * factor + fracpart * factor
- * and the LHS can be computed exactly in long arithmetic.
- * The RHS is again broken into an int part and frac part.
- * and the frac part is added into *leftover.
- */
- dnum = PyFloat_AsDouble(num);
- if (dnum == -1.0 && PyErr_Occurred())
- return NULL;
- fracpart = modf(dnum, &intpart);
- x = PyLong_FromDouble(intpart);
- if (x == NULL)
- return NULL;
-
- prod = PyNumber_Multiply(x, factor);
- Py_DECREF(x);
- if (prod == NULL)
- return NULL;
-
- sum = PyNumber_Add(sofar, prod);
- Py_DECREF(prod);
- if (sum == NULL)
- return NULL;
-
- if (fracpart == 0.0)
- return sum;
- /* So far we've lost no information. Dealing with the
- * fractional part requires float arithmetic, and may
- * lose a little info.
- */
- assert(PyLong_Check(factor));
- dnum = PyLong_AsDouble(factor);
-
- dnum *= fracpart;
- fracpart = modf(dnum, &intpart);
- x = PyLong_FromDouble(intpart);
- if (x == NULL) {
- Py_DECREF(sum);
- return NULL;
- }
-
- y = PyNumber_Add(sum, x);
- Py_DECREF(sum);
- Py_DECREF(x);
- *leftover += fracpart;
- return y;
- }
-
- PyErr_Format(PyExc_TypeError,
- "unsupported type for timedelta %s component: %s",
- tag, Py_TYPE(num)->tp_name);
- return NULL;
-}
-
-static PyObject *
-delta_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- PyObject *self = NULL;
-
- /* Argument objects. */
- PyObject *day = NULL;
- PyObject *second = NULL;
- PyObject *us = NULL;
- PyObject *ms = NULL;
- PyObject *minute = NULL;
- PyObject *hour = NULL;
- PyObject *week = NULL;
-
- PyObject *x = NULL; /* running sum of microseconds */
- PyObject *y = NULL; /* temp sum of microseconds */
- double leftover_us = 0.0;
-
- static char *keywords[] = {
- "days", "seconds", "microseconds", "milliseconds",
- "minutes", "hours", "weeks", NULL
- };
-
- if (PyArg_ParseTupleAndKeywords(args, kw, "|OOOOOOO:__new__",
- keywords,
- &day, &second, &us,
- &ms, &minute, &hour, &week) == 0)
- goto Done;
-
- x = PyLong_FromLong(0);
- if (x == NULL)
- goto Done;
-
-#define CLEANUP \
- Py_DECREF(x); \
- x = y; \
- if (x == NULL) \
- goto Done
-
- if (us) {
- y = accum("microseconds", x, us, us_per_us, &leftover_us);
- CLEANUP;
- }
- if (ms) {
- y = accum("milliseconds", x, ms, us_per_ms, &leftover_us);
- CLEANUP;
- }
- if (second) {
- y = accum("seconds", x, second, us_per_second, &leftover_us);
- CLEANUP;
- }
- if (minute) {
- y = accum("minutes", x, minute, us_per_minute, &leftover_us);
- CLEANUP;
- }
- if (hour) {
- y = accum("hours", x, hour, us_per_hour, &leftover_us);
- CLEANUP;
- }
- if (day) {
- y = accum("days", x, day, us_per_day, &leftover_us);
- CLEANUP;
- }
- if (week) {
- y = accum("weeks", x, week, us_per_week, &leftover_us);
- CLEANUP;
- }
- if (leftover_us) {
- /* Round to nearest whole # of us, and add into x. */
- PyObject *temp = PyLong_FromLong(round_to_long(leftover_us));
- if (temp == NULL) {
- Py_DECREF(x);
- goto Done;
- }
- y = PyNumber_Add(x, temp);
- Py_DECREF(temp);
- CLEANUP;
- }
-
- self = microseconds_to_delta_ex(x, type);
- Py_DECREF(x);
-Done:
- return self;
-
-#undef CLEANUP
-}
-
-static int
-delta_bool(PyDateTime_Delta *self)
-{
- return (GET_TD_DAYS(self) != 0
- || GET_TD_SECONDS(self) != 0
- || GET_TD_MICROSECONDS(self) != 0);
-}
-
-static PyObject *
-delta_repr(PyDateTime_Delta *self)
-{
- if (GET_TD_MICROSECONDS(self) != 0)
- return PyUnicode_FromFormat("%s(%d, %d, %d)",
- Py_TYPE(self)->tp_name,
- GET_TD_DAYS(self),
- GET_TD_SECONDS(self),
- GET_TD_MICROSECONDS(self));
- if (GET_TD_SECONDS(self) != 0)
- return PyUnicode_FromFormat("%s(%d, %d)",
- Py_TYPE(self)->tp_name,
- GET_TD_DAYS(self),
- GET_TD_SECONDS(self));
-
- return PyUnicode_FromFormat("%s(%d)",
- Py_TYPE(self)->tp_name,
- GET_TD_DAYS(self));
-}
-
-static PyObject *
-delta_str(PyDateTime_Delta *self)
-{
- int us = GET_TD_MICROSECONDS(self);
- int seconds = GET_TD_SECONDS(self);
- int minutes = divmod(seconds, 60, &seconds);
- int hours = divmod(minutes, 60, &minutes);
- int days = GET_TD_DAYS(self);
-
- if (days) {
- if (us)
- return PyUnicode_FromFormat("%d day%s, %d:%02d:%02d.%06d",
- days, (days == 1 || days == -1) ? "" : "s",
- hours, minutes, seconds, us);
- else
- return PyUnicode_FromFormat("%d day%s, %d:%02d:%02d",
- days, (days == 1 || days == -1) ? "" : "s",
- hours, minutes, seconds);
- } else {
- if (us)
- return PyUnicode_FromFormat("%d:%02d:%02d.%06d",
- hours, minutes, seconds, us);
- else
- return PyUnicode_FromFormat("%d:%02d:%02d",
- hours, minutes, seconds);
- }
-
-}
-
-/* Pickle support, a simple use of __reduce__. */
-
-/* __getstate__ isn't exposed */
-static PyObject *
-delta_getstate(PyDateTime_Delta *self)
-{
- return Py_BuildValue("iii", GET_TD_DAYS(self),
- GET_TD_SECONDS(self),
- GET_TD_MICROSECONDS(self));
-}
-
-static PyObject *
-delta_total_seconds(PyObject *self)
-{
- PyObject *total_seconds;
- PyObject *total_microseconds;
- PyObject *one_million;
-
- total_microseconds = delta_to_microseconds((PyDateTime_Delta *)self);
- if (total_microseconds == NULL)
- return NULL;
-
- one_million = PyLong_FromLong(1000000L);
- if (one_million == NULL) {
- Py_DECREF(total_microseconds);
- return NULL;
- }
-
- total_seconds = PyNumber_TrueDivide(total_microseconds, one_million);
-
- Py_DECREF(total_microseconds);
- Py_DECREF(one_million);
- return total_seconds;
-}
-
-static PyObject *
-delta_reduce(PyDateTime_Delta* self)
-{
- return Py_BuildValue("ON", Py_TYPE(self), delta_getstate(self));
-}
-
-#define OFFSET(field) offsetof(PyDateTime_Delta, field)
-
-static PyMemberDef delta_members[] = {
-
- {"days", T_INT, OFFSET(days), READONLY,
- PyDoc_STR("Number of days.")},
-
- {"seconds", T_INT, OFFSET(seconds), READONLY,
- PyDoc_STR("Number of seconds (>= 0 and less than 1 day).")},
-
- {"microseconds", T_INT, OFFSET(microseconds), READONLY,
- PyDoc_STR("Number of microseconds (>= 0 and less than 1 second).")},
- {NULL}
-};
-
-static PyMethodDef delta_methods[] = {
- {"total_seconds", (PyCFunction)delta_total_seconds, METH_NOARGS,
- PyDoc_STR("Total seconds in the duration.")},
-
- {"__reduce__", (PyCFunction)delta_reduce, METH_NOARGS,
- PyDoc_STR("__reduce__() -> (cls, state)")},
-
- {NULL, NULL},
-};
-
-static char delta_doc[] =
-PyDoc_STR("Difference between two datetime values.");
-
-static PyNumberMethods delta_as_number = {
- delta_add, /* nb_add */
- delta_subtract, /* nb_subtract */
- delta_multiply, /* nb_multiply */
- delta_remainder, /* nb_remainder */
- delta_divmod, /* nb_divmod */
- 0, /* nb_power */
- (unaryfunc)delta_negative, /* nb_negative */
- (unaryfunc)delta_positive, /* nb_positive */
- (unaryfunc)delta_abs, /* nb_absolute */
- (inquiry)delta_bool, /* nb_bool */
- 0, /*nb_invert*/
- 0, /*nb_lshift*/
- 0, /*nb_rshift*/
- 0, /*nb_and*/
- 0, /*nb_xor*/
- 0, /*nb_or*/
- 0, /*nb_int*/
- 0, /*nb_reserved*/
- 0, /*nb_float*/
- 0, /*nb_inplace_add*/
- 0, /*nb_inplace_subtract*/
- 0, /*nb_inplace_multiply*/
- 0, /*nb_inplace_remainder*/
- 0, /*nb_inplace_power*/
- 0, /*nb_inplace_lshift*/
- 0, /*nb_inplace_rshift*/
- 0, /*nb_inplace_and*/
- 0, /*nb_inplace_xor*/
- 0, /*nb_inplace_or*/
- delta_divide, /* nb_floor_divide */
- delta_truedivide, /* nb_true_divide */
- 0, /* nb_inplace_floor_divide */
- 0, /* nb_inplace_true_divide */
-};
-
-static PyTypeObject PyDateTime_DeltaType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.timedelta", /* tp_name */
- sizeof(PyDateTime_Delta), /* tp_basicsize */
- 0, /* tp_itemsize */
- 0, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)delta_repr, /* tp_repr */
- &delta_as_number, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)delta_hash, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)delta_str, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- delta_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- delta_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- delta_methods, /* tp_methods */
- delta_members, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- delta_new, /* tp_new */
- 0, /* tp_free */
-};
-
-/*
- * PyDateTime_Date implementation.
- */
-
-/* Accessor properties. */
-
-static PyObject *
-date_year(PyDateTime_Date *self, void *unused)
-{
- return PyLong_FromLong(GET_YEAR(self));
-}
-
-static PyObject *
-date_month(PyDateTime_Date *self, void *unused)
-{
- return PyLong_FromLong(GET_MONTH(self));
-}
-
-static PyObject *
-date_day(PyDateTime_Date *self, void *unused)
-{
- return PyLong_FromLong(GET_DAY(self));
-}
-
-static PyGetSetDef date_getset[] = {
- {"year", (getter)date_year},
- {"month", (getter)date_month},
- {"day", (getter)date_day},
- {NULL}
-};
-
-/* Constructors. */
-
-static char *date_kws[] = {"year", "month", "day", NULL};
-
-static PyObject *
-date_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- PyObject *self = NULL;
- PyObject *state;
- int year;
- int month;
- int day;
-
- /* Check for invocation from pickle with __getstate__ state */
- if (PyTuple_GET_SIZE(args) == 1 &&
- PyBytes_Check(state = PyTuple_GET_ITEM(args, 0)) &&
- PyBytes_GET_SIZE(state) == _PyDateTime_DATE_DATASIZE &&
- MONTH_IS_SANE(PyBytes_AS_STRING(state)[2]))
- {
- PyDateTime_Date *me;
-
- me = (PyDateTime_Date *) (type->tp_alloc(type, 0));
- if (me != NULL) {
- char *pdata = PyBytes_AS_STRING(state);
- memcpy(me->data, pdata, _PyDateTime_DATE_DATASIZE);
- me->hashcode = -1;
- }
- return (PyObject *)me;
- }
-
- if (PyArg_ParseTupleAndKeywords(args, kw, "iii", date_kws,
- &year, &month, &day)) {
- if (check_date_args(year, month, day) < 0)
- return NULL;
- self = new_date_ex(year, month, day, type);
- }
- return self;
-}
-
-/* Return new date from localtime(t). */
-static PyObject *
-date_local_from_time_t(PyObject *cls, double ts)
-{
- struct tm *tm;
- time_t t;
- PyObject *result = NULL;
-
- t = _PyTime_DoubleToTimet(ts);
- if (t == (time_t)-1 && PyErr_Occurred())
- return NULL;
- tm = localtime(&t);
- if (tm)
- result = PyObject_CallFunction(cls, "iii",
- tm->tm_year + 1900,
- tm->tm_mon + 1,
- tm->tm_mday);
- else
- PyErr_SetString(PyExc_ValueError,
- "timestamp out of range for "
- "platform localtime() function");
- return result;
-}
-
-/* Return new date from current time.
- * We say this is equivalent to fromtimestamp(time.time()), and the
- * only way to be sure of that is to *call* time.time(). That's not
- * generally the same as calling C's time.
- */
-static PyObject *
-date_today(PyObject *cls, PyObject *dummy)
-{
- PyObject *time;
- PyObject *result;
-
- time = time_time();
- if (time == NULL)
- return NULL;
-
- /* Note well: today() is a class method, so this may not call
- * date.fromtimestamp. For example, it may call
- * datetime.fromtimestamp. That's why we need all the accuracy
- * time.time() delivers; if someone were gonzo about optimization,
- * date.today() could get away with plain C time().
- */
- result = PyObject_CallMethod(cls, "fromtimestamp", "O", time);
- Py_DECREF(time);
- return result;
-}
-
-/* Return new date from given timestamp (Python timestamp -- a double). */
-static PyObject *
-date_fromtimestamp(PyObject *cls, PyObject *args)
-{
- double timestamp;
- PyObject *result = NULL;
-
- if (PyArg_ParseTuple(args, "d:fromtimestamp", ×tamp))
- result = date_local_from_time_t(cls, timestamp);
- return result;
-}
-
-/* Return new date from proleptic Gregorian ordinal. Raises ValueError if
- * the ordinal is out of range.
- */
-static PyObject *
-date_fromordinal(PyObject *cls, PyObject *args)
-{
- PyObject *result = NULL;
- int ordinal;
-
- if (PyArg_ParseTuple(args, "i:fromordinal", &ordinal)) {
- int year;
- int month;
- int day;
-
- if (ordinal < 1)
- PyErr_SetString(PyExc_ValueError, "ordinal must be "
- ">= 1");
- else {
- ord_to_ymd(ordinal, &year, &month, &day);
- result = PyObject_CallFunction(cls, "iii",
- year, month, day);
- }
- }
- return result;
-}
-
-/*
- * Date arithmetic.
- */
-
-/* date + timedelta -> date. If arg negate is true, subtract the timedelta
- * instead.
- */
-static PyObject *
-add_date_timedelta(PyDateTime_Date *date, PyDateTime_Delta *delta, int negate)
-{
- PyObject *result = NULL;
- int year = GET_YEAR(date);
- int month = GET_MONTH(date);
- int deltadays = GET_TD_DAYS(delta);
- /* C-level overflow is impossible because |deltadays| < 1e9. */
- int day = GET_DAY(date) + (negate ? -deltadays : deltadays);
-
- if (normalize_date(&year, &month, &day) >= 0)
- result = new_date(year, month, day);
- return result;
-}
-
-static PyObject *
-date_add(PyObject *left, PyObject *right)
-{
- if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
- if (PyDate_Check(left)) {
- /* date + ??? */
- if (PyDelta_Check(right))
- /* date + delta */
- return add_date_timedelta((PyDateTime_Date *) left,
- (PyDateTime_Delta *) right,
- 0);
- }
- else {
- /* ??? + date
- * 'right' must be one of us, or we wouldn't have been called
- */
- if (PyDelta_Check(left))
- /* delta + date */
- return add_date_timedelta((PyDateTime_Date *) right,
- (PyDateTime_Delta *) left,
- 0);
- }
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
-}
-
-static PyObject *
-date_subtract(PyObject *left, PyObject *right)
-{
- if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
- if (PyDate_Check(left)) {
- if (PyDate_Check(right)) {
- /* date - date */
- int left_ord = ymd_to_ord(GET_YEAR(left),
- GET_MONTH(left),
- GET_DAY(left));
- int right_ord = ymd_to_ord(GET_YEAR(right),
- GET_MONTH(right),
- GET_DAY(right));
- return new_delta(left_ord - right_ord, 0, 0, 0);
- }
- if (PyDelta_Check(right)) {
- /* date - delta */
- return add_date_timedelta((PyDateTime_Date *) left,
- (PyDateTime_Delta *) right,
- 1);
- }
- }
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
-}
-
-
-/* Various ways to turn a date into a string. */
-
-static PyObject *
-date_repr(PyDateTime_Date *self)
-{
- return PyUnicode_FromFormat("%s(%d, %d, %d)",
- Py_TYPE(self)->tp_name,
- GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
-}
-
-static PyObject *
-date_isoformat(PyDateTime_Date *self)
-{
- return PyUnicode_FromFormat("%04d-%02d-%02d",
- GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
-}
-
-/* str() calls the appropriate isoformat() method. */
-static PyObject *
-date_str(PyDateTime_Date *self)
-{
- return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
-}
-
-
-static PyObject *
-date_ctime(PyDateTime_Date *self)
-{
- return format_ctime(self, 0, 0, 0);
-}
-
-static PyObject *
-date_strftime(PyDateTime_Date *self, PyObject *args, PyObject *kw)
-{
- /* This method can be inherited, and needs to call the
- * timetuple() method appropriate to self's class.
- */
- PyObject *result;
- PyObject *tuple;
- PyObject *format;
- static char *keywords[] = {"format", NULL};
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "U:strftime", keywords,
- &format))
- return NULL;
-
- tuple = PyObject_CallMethod((PyObject *)self, "timetuple", "()");
- if (tuple == NULL)
- return NULL;
- result = wrap_strftime((PyObject *)self, format, tuple,
- (PyObject *)self);
- Py_DECREF(tuple);
- return result;
-}
-
-static PyObject *
-date_format(PyDateTime_Date *self, PyObject *args)
-{
- PyObject *format;
-
- if (!PyArg_ParseTuple(args, "U:__format__", &format))
- return NULL;
-
- /* if the format is zero length, return str(self) */
- if (PyUnicode_GetSize(format) == 0)
- return PyObject_Str((PyObject *)self);
-
- return PyObject_CallMethod((PyObject *)self, "strftime", "O", format);
-}
-
-/* ISO methods. */
-
-static PyObject *
-date_isoweekday(PyDateTime_Date *self)
-{
- int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
-
- return PyLong_FromLong(dow + 1);
-}
-
-static PyObject *
-date_isocalendar(PyDateTime_Date *self)
-{
- int year = GET_YEAR(self);
- int week1_monday = iso_week1_monday(year);
- int today = ymd_to_ord(year, GET_MONTH(self), GET_DAY(self));
- int week;
- int day;
-
- week = divmod(today - week1_monday, 7, &day);
- if (week < 0) {
- --year;
- week1_monday = iso_week1_monday(year);
- week = divmod(today - week1_monday, 7, &day);
- }
- else if (week >= 52 && today >= iso_week1_monday(year + 1)) {
- ++year;
- week = 0;
- }
- return Py_BuildValue("iii", year, week + 1, day + 1);
-}
-
-/* Miscellaneous methods. */
-
-static PyObject *
-date_richcompare(PyObject *self, PyObject *other, int op)
-{
- if (PyDate_Check(other)) {
- int diff = memcmp(((PyDateTime_Date *)self)->data,
- ((PyDateTime_Date *)other)->data,
- _PyDateTime_DATE_DATASIZE);
- return diff_to_bool(diff, op);
- }
- else {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-}
-
-static PyObject *
-date_timetuple(PyDateTime_Date *self)
-{
- return build_struct_time(GET_YEAR(self),
- GET_MONTH(self),
- GET_DAY(self),
- 0, 0, 0, -1);
-}
-
-static PyObject *
-date_replace(PyDateTime_Date *self, PyObject *args, PyObject *kw)
-{
- PyObject *clone;
- PyObject *tuple;
- int year = GET_YEAR(self);
- int month = GET_MONTH(self);
- int day = GET_DAY(self);
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "|iii:replace", date_kws,
- &year, &month, &day))
- return NULL;
- tuple = Py_BuildValue("iii", year, month, day);
- if (tuple == NULL)
- return NULL;
- clone = date_new(Py_TYPE(self), tuple, NULL);
- Py_DECREF(tuple);
- return clone;
-}
-
-/*
- Borrowed from stringobject.c, originally it was string_hash()
-*/
-static long
-generic_hash(unsigned char *data, int len)
-{
- register unsigned char *p;
- register long x;
-
- p = (unsigned char *) data;
- x = *p << 7;
- while (--len >= 0)
- x = (1000003*x) ^ *p++;
- x ^= len;
- if (x == -1)
- x = -2;
-
- return x;
-}
-
-
-static PyObject *date_getstate(PyDateTime_Date *self);
-
-static long
-date_hash(PyDateTime_Date *self)
-{
- if (self->hashcode == -1)
- self->hashcode = generic_hash(
- (unsigned char *)self->data, _PyDateTime_DATE_DATASIZE);
-
- return self->hashcode;
-}
-
-static PyObject *
-date_toordinal(PyDateTime_Date *self)
-{
- return PyLong_FromLong(ymd_to_ord(GET_YEAR(self), GET_MONTH(self),
- GET_DAY(self)));
-}
-
-static PyObject *
-date_weekday(PyDateTime_Date *self)
-{
- int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
-
- return PyLong_FromLong(dow);
-}
-
-/* Pickle support, a simple use of __reduce__. */
-
-/* __getstate__ isn't exposed */
-static PyObject *
-date_getstate(PyDateTime_Date *self)
-{
- PyObject* field;
- field = PyBytes_FromStringAndSize((char*)self->data,
- _PyDateTime_DATE_DATASIZE);
- return Py_BuildValue("(N)", field);
-}
-
-static PyObject *
-date_reduce(PyDateTime_Date *self, PyObject *arg)
-{
- return Py_BuildValue("(ON)", Py_TYPE(self), date_getstate(self));
-}
-
-static PyMethodDef date_methods[] = {
-
- /* Class methods: */
-
- {"fromtimestamp", (PyCFunction)date_fromtimestamp, METH_VARARGS |
- METH_CLASS,
- PyDoc_STR("timestamp -> local date from a POSIX timestamp (like "
- "time.time()).")},
-
- {"fromordinal", (PyCFunction)date_fromordinal, METH_VARARGS |
- METH_CLASS,
- PyDoc_STR("int -> date corresponding to a proleptic Gregorian "
- "ordinal.")},
-
- {"today", (PyCFunction)date_today, METH_NOARGS | METH_CLASS,
- PyDoc_STR("Current date or datetime: same as "
- "self.__class__.fromtimestamp(time.time()).")},
-
- /* Instance methods: */
-
- {"ctime", (PyCFunction)date_ctime, METH_NOARGS,
- PyDoc_STR("Return ctime() style string.")},
-
- {"strftime", (PyCFunction)date_strftime, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("format -> strftime() style string.")},
-
- {"__format__", (PyCFunction)date_format, METH_VARARGS,
- PyDoc_STR("Formats self with strftime.")},
-
- {"timetuple", (PyCFunction)date_timetuple, METH_NOARGS,
- PyDoc_STR("Return time tuple, compatible with time.localtime().")},
-
- {"isocalendar", (PyCFunction)date_isocalendar, METH_NOARGS,
- PyDoc_STR("Return a 3-tuple containing ISO year, week number, and "
- "weekday.")},
-
- {"isoformat", (PyCFunction)date_isoformat, METH_NOARGS,
- PyDoc_STR("Return string in ISO 8601 format, YYYY-MM-DD.")},
-
- {"isoweekday", (PyCFunction)date_isoweekday, METH_NOARGS,
- PyDoc_STR("Return the day of the week represented by the date.\n"
- "Monday == 1 ... Sunday == 7")},
-
- {"toordinal", (PyCFunction)date_toordinal, METH_NOARGS,
- PyDoc_STR("Return proleptic Gregorian ordinal. January 1 of year "
- "1 is day 1.")},
-
- {"weekday", (PyCFunction)date_weekday, METH_NOARGS,
- PyDoc_STR("Return the day of the week represented by the date.\n"
- "Monday == 0 ... Sunday == 6")},
-
- {"replace", (PyCFunction)date_replace, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("Return date with new specified fields.")},
-
- {"__reduce__", (PyCFunction)date_reduce, METH_NOARGS,
- PyDoc_STR("__reduce__() -> (cls, state)")},
-
- {NULL, NULL}
-};
-
-static char date_doc[] =
-PyDoc_STR("date(year, month, day) --> date object");
-
-static PyNumberMethods date_as_number = {
- date_add, /* nb_add */
- date_subtract, /* nb_subtract */
- 0, /* nb_multiply */
- 0, /* nb_remainder */
- 0, /* nb_divmod */
- 0, /* nb_power */
- 0, /* nb_negative */
- 0, /* nb_positive */
- 0, /* nb_absolute */
- 0, /* nb_bool */
-};
-
-static PyTypeObject PyDateTime_DateType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.date", /* tp_name */
- sizeof(PyDateTime_Date), /* tp_basicsize */
- 0, /* tp_itemsize */
- 0, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)date_repr, /* tp_repr */
- &date_as_number, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)date_hash, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)date_str, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- date_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- date_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- date_methods, /* tp_methods */
- 0, /* tp_members */
- date_getset, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- date_new, /* tp_new */
- 0, /* tp_free */
-};
-
-/*
- * PyDateTime_TZInfo implementation.
- */
-
-/* This is a pure abstract base class, so doesn't do anything beyond
- * raising NotImplemented exceptions. Real tzinfo classes need
- * to derive from this. This is mostly for clarity, and for efficiency in
- * datetime and time constructors (their tzinfo arguments need to
- * be subclasses of this tzinfo class, which is easy and quick to check).
- *
- * Note: For reasons having to do with pickling of subclasses, we have
- * to allow tzinfo objects to be instantiated. This wasn't an issue
- * in the Python implementation (__init__() could raise NotImplementedError
- * there without ill effect), but doing so in the C implementation hit a
- * brick wall.
- */
-
-static PyObject *
-tzinfo_nogo(const char* methodname)
-{
- PyErr_Format(PyExc_NotImplementedError,
- "a tzinfo subclass must implement %s()",
- methodname);
- return NULL;
-}
-
-/* Methods. A subclass must implement these. */
-
-static PyObject *
-tzinfo_tzname(PyDateTime_TZInfo *self, PyObject *dt)
-{
- return tzinfo_nogo("tzname");
-}
-
-static PyObject *
-tzinfo_utcoffset(PyDateTime_TZInfo *self, PyObject *dt)
-{
- return tzinfo_nogo("utcoffset");
-}
-
-static PyObject *
-tzinfo_dst(PyDateTime_TZInfo *self, PyObject *dt)
-{
- return tzinfo_nogo("dst");
-}
-
-
-static PyObject *add_datetime_timedelta(PyDateTime_DateTime *date,
- PyDateTime_Delta *delta,
- int factor);
-static PyObject *datetime_utcoffset(PyObject *self, PyObject *);
-static PyObject *datetime_dst(PyObject *self, PyObject *);
-
-static PyObject *
-tzinfo_fromutc(PyDateTime_TZInfo *self, PyObject *dt)
-{
- PyObject *result = NULL;
- PyObject *off = NULL, *dst = NULL;
- PyDateTime_Delta *delta = NULL;
-
- if (!PyDateTime_Check(dt)) {
- PyErr_SetString(PyExc_TypeError,
- "fromutc: argument must be a datetime");
- return NULL;
- }
- if (GET_DT_TZINFO(dt) != (PyObject *)self) {
- PyErr_SetString(PyExc_ValueError, "fromutc: dt.tzinfo "
- "is not self");
- return NULL;
- }
-
- off = datetime_utcoffset(dt, NULL);
- if (off == NULL)
- return NULL;
- if (off == Py_None) {
- PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
- "utcoffset() result required");
- goto Fail;
- }
-
- dst = datetime_dst(dt, NULL);
- if (dst == NULL)
- goto Fail;
- if (dst == Py_None) {
- PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
- "dst() result required");
- goto Fail;
- }
-
- delta = (PyDateTime_Delta *)delta_subtract(off, dst);
- if (delta == NULL)
- goto Fail;
- result = add_datetime_timedelta((PyDateTime_DateTime *)dt, delta, 1);
- if (result == NULL)
- goto Fail;
-
- Py_DECREF(dst);
- dst = call_dst(GET_DT_TZINFO(dt), result);
- if (dst == NULL)
- goto Fail;
- if (dst == Py_None)
- goto Inconsistent;
- if (delta_bool(delta) != 0) {
- PyObject *temp = result;
- result = add_datetime_timedelta((PyDateTime_DateTime *)result,
- (PyDateTime_Delta *)dst, 1);
- Py_DECREF(temp);
- if (result == NULL)
- goto Fail;
- }
- Py_DECREF(delta);
- Py_DECREF(dst);
- Py_DECREF(off);
- return result;
-
-Inconsistent:
- PyErr_SetString(PyExc_ValueError, "fromutc: tz.dst() gave"
- "inconsistent results; cannot convert");
-
- /* fall thru to failure */
-Fail:
- Py_XDECREF(off);
- Py_XDECREF(dst);
- Py_XDECREF(delta);
- Py_XDECREF(result);
- return NULL;
-}
-
-/*
- * Pickle support. This is solely so that tzinfo subclasses can use
- * pickling -- tzinfo itself is supposed to be uninstantiable.
- */
-
-static PyObject *
-tzinfo_reduce(PyObject *self)
-{
- PyObject *args, *state, *tmp;
- PyObject *getinitargs, *getstate;
-
- tmp = PyTuple_New(0);
- if (tmp == NULL)
- return NULL;
-
- getinitargs = PyObject_GetAttrString(self, "__getinitargs__");
- if (getinitargs != NULL) {
- args = PyObject_CallObject(getinitargs, tmp);
- Py_DECREF(getinitargs);
- if (args == NULL) {
- Py_DECREF(tmp);
- return NULL;
- }
- }
- else {
- PyErr_Clear();
- args = tmp;
- Py_INCREF(args);
- }
-
- getstate = PyObject_GetAttrString(self, "__getstate__");
- if (getstate != NULL) {
- state = PyObject_CallObject(getstate, tmp);
- Py_DECREF(getstate);
- if (state == NULL) {
- Py_DECREF(args);
- Py_DECREF(tmp);
- return NULL;
- }
- }
- else {
- PyObject **dictptr;
- PyErr_Clear();
- state = Py_None;
- dictptr = _PyObject_GetDictPtr(self);
- if (dictptr && *dictptr && PyDict_Size(*dictptr))
- state = *dictptr;
- Py_INCREF(state);
- }
-
- Py_DECREF(tmp);
-
- if (state == Py_None) {
- Py_DECREF(state);
- return Py_BuildValue("(ON)", Py_TYPE(self), args);
- }
- else
- return Py_BuildValue("(ONN)", Py_TYPE(self), args, state);
-}
-
-static PyMethodDef tzinfo_methods[] = {
-
- {"tzname", (PyCFunction)tzinfo_tzname, METH_O,
- PyDoc_STR("datetime -> string name of time zone.")},
-
- {"utcoffset", (PyCFunction)tzinfo_utcoffset, METH_O,
- PyDoc_STR("datetime -> timedelta showing offset from UTC, negative "
- "values indicating West of UTC")},
-
- {"dst", (PyCFunction)tzinfo_dst, METH_O,
- PyDoc_STR("datetime -> DST offset in minutes east of UTC.")},
-
- {"fromutc", (PyCFunction)tzinfo_fromutc, METH_O,
- PyDoc_STR("datetime in UTC -> datetime in local time.")},
-
- {"__reduce__", (PyCFunction)tzinfo_reduce, METH_NOARGS,
- PyDoc_STR("-> (cls, state)")},
-
- {NULL, NULL}
-};
-
-static char tzinfo_doc[] =
-PyDoc_STR("Abstract base class for time zone info objects.");
-
-static PyTypeObject PyDateTime_TZInfoType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.tzinfo", /* tp_name */
- sizeof(PyDateTime_TZInfo), /* tp_basicsize */
- 0, /* tp_itemsize */
- 0, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- 0, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- 0, /* tp_hash */
- 0, /* tp_call */
- 0, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- tzinfo_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- tzinfo_methods, /* tp_methods */
- 0, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- PyType_GenericNew, /* tp_new */
- 0, /* tp_free */
-};
-
-static char *timezone_kws[] = {"offset", "name", NULL};
-
-static PyObject *
-timezone_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- PyObject *offset;
- PyObject *name = NULL;
- if (PyArg_ParseTupleAndKeywords(args, kw, "O!|O!:timezone", timezone_kws,
- &PyDateTime_DeltaType, &offset,
- &PyUnicode_Type, &name))
- return new_timezone(offset, name);
-
- return NULL;
-}
-
-static void
-timezone_dealloc(PyDateTime_TimeZone *self)
-{
- Py_CLEAR(self->offset);
- Py_CLEAR(self->name);
- Py_TYPE(self)->tp_free((PyObject *)self);
-}
-
-static PyObject *
-timezone_richcompare(PyDateTime_TimeZone *self,
- PyDateTime_TimeZone *other, int op)
-{
- if (op != Py_EQ && op != Py_NE) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
- return delta_richcompare(self->offset, other->offset, op);
-}
-
-static long
-timezone_hash(PyDateTime_TimeZone *self)
-{
- return delta_hash((PyDateTime_Delta *)self->offset);
-}
-
-/* Check argument type passed to tzname, utcoffset, or dst methods.
- Returns 0 for good argument. Returns -1 and sets exception info
- otherwise.
- */
-static int
-_timezone_check_argument(PyObject *dt, const char *meth)
-{
- if (dt == Py_None || PyDateTime_Check(dt))
- return 0;
- PyErr_Format(PyExc_TypeError, "%s(dt) argument must be a datetime instance"
- " or None, not %.200s", meth, Py_TYPE(dt)->tp_name);
- return -1;
-}
-
-static PyObject *
-timezone_repr(PyDateTime_TimeZone *self)
-{
- /* Note that although timezone is not subclassable, it is convenient
- to use Py_TYPE(self)->tp_name here. */
- const char *type_name = Py_TYPE(self)->tp_name;
-
- if (((PyObject *)self) == PyDateTime_TimeZone_UTC)
- return PyUnicode_FromFormat("%s.utc", type_name);
-
- if (self->name == NULL)
- return PyUnicode_FromFormat("%s(%R)", type_name, self->offset);
-
- return PyUnicode_FromFormat("%s(%R, %R)", type_name, self->offset,
- self->name);
-}
-
-
-static PyObject *
-timezone_str(PyDateTime_TimeZone *self)
-{
- char buf[10];
- int hours, minutes, seconds;
- PyObject *offset;
- char sign;
-
- if (self->name != NULL) {
- Py_INCREF(self->name);
- return self->name;
- }
- /* Offset is normalized, so it is negative if days < 0 */
- if (GET_TD_DAYS(self->offset) < 0) {
- sign = '-';
- offset = delta_negative((PyDateTime_Delta *)self->offset);
- if (offset == NULL)
- return NULL;
- }
- else {
- sign = '+';
- offset = self->offset;
- Py_INCREF(offset);
- }
- /* Offset is not negative here. */
- seconds = GET_TD_SECONDS(offset);
- Py_DECREF(offset);
- minutes = divmod(seconds, 60, &seconds);
- hours = divmod(minutes, 60, &minutes);
- assert(seconds == 0);
- /* XXX ignore sub-minute data, curently not allowed. */
- PyOS_snprintf(buf, sizeof(buf), "UTC%c%02d:%02d", sign, hours, minutes);
-
- return PyUnicode_FromString(buf);
-}
-
-static PyObject *
-timezone_tzname(PyDateTime_TimeZone *self, PyObject *dt)
-{
- if (_timezone_check_argument(dt, "tzname") == -1)
- return NULL;
-
- return timezone_str(self);
-}
-
-static PyObject *
-timezone_utcoffset(PyDateTime_TimeZone *self, PyObject *dt)
-{
- if (_timezone_check_argument(dt, "utcoffset") == -1)
- return NULL;
-
- Py_INCREF(self->offset);
- return self->offset;
-}
-
-static PyObject *
-timezone_dst(PyObject *self, PyObject *dt)
-{
- if (_timezone_check_argument(dt, "dst") == -1)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-static PyObject *
-timezone_fromutc(PyDateTime_TimeZone *self, PyDateTime_DateTime *dt)
-{
- if (!PyDateTime_Check(dt)) {
- PyErr_SetString(PyExc_TypeError,
- "fromutc: argument must be a datetime");
- return NULL;
- }
- if (!HASTZINFO(dt) || dt->tzinfo != (PyObject *)self) {
- PyErr_SetString(PyExc_ValueError, "fromutc: dt.tzinfo "
- "is not self");
- return NULL;
- }
-
- return add_datetime_timedelta(dt, (PyDateTime_Delta *)self->offset, 1);
-}
-
-static PyObject *
-timezone_getinitargs(PyDateTime_TimeZone *self)
-{
- if (self->name == NULL)
- return Py_BuildValue("(O)", self->offset);
- return Py_BuildValue("(OO)", self->offset, self->name);
-}
-
-static PyMethodDef timezone_methods[] = {
- {"tzname", (PyCFunction)timezone_tzname, METH_O,
- PyDoc_STR("If name is specified when timezone is created, returns the name."
- " Otherwise returns offset as 'UTC(+|-)HH:MM'.")},
-
- {"utcoffset", (PyCFunction)timezone_utcoffset, METH_O,
- PyDoc_STR("Return fixed offset.")},
-
- {"dst", (PyCFunction)timezone_dst, METH_O,
- PyDoc_STR("Return None.")},
-
- {"fromutc", (PyCFunction)timezone_fromutc, METH_O,
- PyDoc_STR("datetime in UTC -> datetime in local time.")},
-
- {"__getinitargs__", (PyCFunction)timezone_getinitargs, METH_NOARGS,
- PyDoc_STR("pickle support")},
-
- {NULL, NULL}
-};
-
-static char timezone_doc[] =
-PyDoc_STR("Fixed offset from UTC implementation of tzinfo.");
-
-static PyTypeObject PyDateTime_TimeZoneType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.timezone", /* tp_name */
- sizeof(PyDateTime_TimeZone), /* tp_basicsize */
- 0, /* tp_itemsize */
- (destructor)timezone_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)timezone_repr, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)timezone_hash, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)timezone_str, /* tp_str */
- 0, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
- timezone_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- (richcmpfunc)timezone_richcompare,/* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- timezone_methods, /* tp_methods */
- 0, /* tp_members */
- 0, /* tp_getset */
- &PyDateTime_TZInfoType, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- timezone_new, /* tp_new */
-};
-
-/*
- * PyDateTime_Time implementation.
- */
-
-/* Accessor properties.
- */
-
-static PyObject *
-time_hour(PyDateTime_Time *self, void *unused)
-{
- return PyLong_FromLong(TIME_GET_HOUR(self));
-}
-
-static PyObject *
-time_minute(PyDateTime_Time *self, void *unused)
-{
- return PyLong_FromLong(TIME_GET_MINUTE(self));
-}
-
-/* The name time_second conflicted with some platform header file. */
-static PyObject *
-py_time_second(PyDateTime_Time *self, void *unused)
-{
- return PyLong_FromLong(TIME_GET_SECOND(self));
-}
-
-static PyObject *
-time_microsecond(PyDateTime_Time *self, void *unused)
-{
- return PyLong_FromLong(TIME_GET_MICROSECOND(self));
-}
-
-static PyObject *
-time_tzinfo(PyDateTime_Time *self, void *unused)
-{
- PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
- Py_INCREF(result);
- return result;
-}
-
-static PyGetSetDef time_getset[] = {
- {"hour", (getter)time_hour},
- {"minute", (getter)time_minute},
- {"second", (getter)py_time_second},
- {"microsecond", (getter)time_microsecond},
- {"tzinfo", (getter)time_tzinfo},
- {NULL}
-};
-
-/*
- * Constructors.
- */
-
-static char *time_kws[] = {"hour", "minute", "second", "microsecond",
- "tzinfo", NULL};
-
-static PyObject *
-time_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- PyObject *self = NULL;
- PyObject *state;
- int hour = 0;
- int minute = 0;
- int second = 0;
- int usecond = 0;
- PyObject *tzinfo = Py_None;
-
- /* Check for invocation from pickle with __getstate__ state */
- if (PyTuple_GET_SIZE(args) >= 1 &&
- PyTuple_GET_SIZE(args) <= 2 &&
- PyBytes_Check(state = PyTuple_GET_ITEM(args, 0)) &&
- PyBytes_GET_SIZE(state) == _PyDateTime_TIME_DATASIZE &&
- ((unsigned char) (PyBytes_AS_STRING(state)[0])) < 24)
- {
- PyDateTime_Time *me;
- char aware;
-
- if (PyTuple_GET_SIZE(args) == 2) {
- tzinfo = PyTuple_GET_ITEM(args, 1);
- if (check_tzinfo_subclass(tzinfo) < 0) {
- PyErr_SetString(PyExc_TypeError, "bad "
- "tzinfo state arg");
- return NULL;
- }
- }
- aware = (char)(tzinfo != Py_None);
- me = (PyDateTime_Time *) (type->tp_alloc(type, aware));
- if (me != NULL) {
- char *pdata = PyBytes_AS_STRING(state);
-
- memcpy(me->data, pdata, _PyDateTime_TIME_DATASIZE);
- me->hashcode = -1;
- me->hastzinfo = aware;
- if (aware) {
- Py_INCREF(tzinfo);
- me->tzinfo = tzinfo;
- }
- }
- return (PyObject *)me;
- }
-
- if (PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO", time_kws,
- &hour, &minute, &second, &usecond,
- &tzinfo)) {
- if (check_time_args(hour, minute, second, usecond) < 0)
- return NULL;
- if (check_tzinfo_subclass(tzinfo) < 0)
- return NULL;
- self = new_time_ex(hour, minute, second, usecond, tzinfo,
- type);
- }
- return self;
-}
-
-/*
- * Destructor.
- */
-
-static void
-time_dealloc(PyDateTime_Time *self)
-{
- if (HASTZINFO(self)) {
- Py_XDECREF(self->tzinfo);
- }
- Py_TYPE(self)->tp_free((PyObject *)self);
-}
-
-/*
- * Indirect access to tzinfo methods.
- */
-
-/* These are all METH_NOARGS, so don't need to check the arglist. */
-static PyObject *
-time_utcoffset(PyObject *self, PyObject *unused) {
- return call_utcoffset(GET_TIME_TZINFO(self), Py_None);
-}
-
-static PyObject *
-time_dst(PyObject *self, PyObject *unused) {
- return call_dst(GET_TIME_TZINFO(self), Py_None);
-}
-
-static PyObject *
-time_tzname(PyDateTime_Time *self, PyObject *unused) {
- return call_tzname(GET_TIME_TZINFO(self), Py_None);
-}
-
-/*
- * Various ways to turn a time into a string.
- */
-
-static PyObject *
-time_repr(PyDateTime_Time *self)
-{
- const char *type_name = Py_TYPE(self)->tp_name;
- int h = TIME_GET_HOUR(self);
- int m = TIME_GET_MINUTE(self);
- int s = TIME_GET_SECOND(self);
- int us = TIME_GET_MICROSECOND(self);
- PyObject *result = NULL;
-
- if (us)
- result = PyUnicode_FromFormat("%s(%d, %d, %d, %d)",
- type_name, h, m, s, us);
- else if (s)
- result = PyUnicode_FromFormat("%s(%d, %d, %d)",
- type_name, h, m, s);
- else
- result = PyUnicode_FromFormat("%s(%d, %d)", type_name, h, m);
- if (result != NULL && HASTZINFO(self))
- result = append_keyword_tzinfo(result, self->tzinfo);
- return result;
-}
-
-static PyObject *
-time_str(PyDateTime_Time *self)
-{
- return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
-}
-
-static PyObject *
-time_isoformat(PyDateTime_Time *self, PyObject *unused)
-{
- char buf[100];
- PyObject *result;
- int us = TIME_GET_MICROSECOND(self);;
-
- if (us)
- result = PyUnicode_FromFormat("%02d:%02d:%02d.%06d",
- TIME_GET_HOUR(self),
- TIME_GET_MINUTE(self),
- TIME_GET_SECOND(self),
- us);
- else
- result = PyUnicode_FromFormat("%02d:%02d:%02d",
- TIME_GET_HOUR(self),
- TIME_GET_MINUTE(self),
- TIME_GET_SECOND(self));
-
- if (result == NULL || !HASTZINFO(self) || self->tzinfo == Py_None)
- return result;
-
- /* We need to append the UTC offset. */
- if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
- Py_None) < 0) {
- Py_DECREF(result);
- return NULL;
- }
- PyUnicode_AppendAndDel(&result, PyUnicode_FromString(buf));
- return result;
-}
-
-static PyObject *
-time_strftime(PyDateTime_Time *self, PyObject *args, PyObject *kw)
-{
- PyObject *result;
- PyObject *tuple;
- PyObject *format;
- static char *keywords[] = {"format", NULL};
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "U:strftime", keywords,
- &format))
- return NULL;
-
- /* Python's strftime does insane things with the year part of the
- * timetuple. The year is forced to (the otherwise nonsensical)
- * 1900 to worm around that.
- */
- tuple = Py_BuildValue("iiiiiiiii",
- 1900, 1, 1, /* year, month, day */
- TIME_GET_HOUR(self),
- TIME_GET_MINUTE(self),
- TIME_GET_SECOND(self),
- 0, 1, -1); /* weekday, daynum, dst */
- if (tuple == NULL)
- return NULL;
- assert(PyTuple_Size(tuple) == 9);
- result = wrap_strftime((PyObject *)self, format, tuple,
- Py_None);
- Py_DECREF(tuple);
- return result;
-}
-
-/*
- * Miscellaneous methods.
- */
-
-static PyObject *
-time_richcompare(PyObject *self, PyObject *other, int op)
-{
- PyObject *result = NULL;
- PyObject *offset1, *offset2;
- int diff;
-
- if (! PyTime_Check(other)) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- if (GET_TIME_TZINFO(self) == GET_TIME_TZINFO(other)) {
- diff = memcmp(((PyDateTime_Time *)self)->data,
- ((PyDateTime_Time *)other)->data,
- _PyDateTime_TIME_DATASIZE);
- return diff_to_bool(diff, op);
- }
- offset1 = time_utcoffset(self, NULL);
- if (offset1 == NULL)
- return NULL;
- offset2 = time_utcoffset(other, NULL);
- if (offset2 == NULL)
- goto done;
- /* If they're both naive, or both aware and have the same offsets,
- * we get off cheap. Note that if they're both naive, offset1 ==
- * offset2 == Py_None at this point.
- */
- if ((offset1 == offset2) ||
- (PyDelta_Check(offset1) && PyDelta_Check(offset2) &&
- delta_cmp(offset1, offset2) == 0)) {
- diff = memcmp(((PyDateTime_Time *)self)->data,
- ((PyDateTime_Time *)other)->data,
- _PyDateTime_TIME_DATASIZE);
- result = diff_to_bool(diff, op);
- }
- /* The hard case: both aware with different UTC offsets */
- else if (offset1 != Py_None && offset2 != Py_None) {
- int offsecs1, offsecs2;
- assert(offset1 != offset2); /* else last "if" handled it */
- offsecs1 = TIME_GET_HOUR(self) * 3600 +
- TIME_GET_MINUTE(self) * 60 +
- TIME_GET_SECOND(self) -
- GET_TD_DAYS(offset1) * 86400 -
- GET_TD_SECONDS(offset1);
- offsecs2 = TIME_GET_HOUR(other) * 3600 +
- TIME_GET_MINUTE(other) * 60 +
- TIME_GET_SECOND(other) -
- GET_TD_DAYS(offset2) * 86400 -
- GET_TD_SECONDS(offset2);
- diff = offsecs1 - offsecs2;
- if (diff == 0)
- diff = TIME_GET_MICROSECOND(self) -
- TIME_GET_MICROSECOND(other);
- result = diff_to_bool(diff, op);
- }
- else {
- PyErr_SetString(PyExc_TypeError,
- "can't compare offset-naive and "
- "offset-aware times");
- }
- done:
- Py_DECREF(offset1);
- Py_XDECREF(offset2);
- return result;
-}
-
-static long
-time_hash(PyDateTime_Time *self)
-{
- if (self->hashcode == -1) {
- PyObject *offset;
-
- offset = time_utcoffset((PyObject *)self, NULL);
-
- if (offset == NULL)
- return -1;
-
- /* Reduce this to a hash of another object. */
- if (offset == Py_None)
- self->hashcode = generic_hash(
- (unsigned char *)self->data, _PyDateTime_TIME_DATASIZE);
- else {
- PyObject *temp1, *temp2;
- int seconds, microseconds;
- assert(HASTZINFO(self));
- seconds = TIME_GET_HOUR(self) * 3600 +
- TIME_GET_MINUTE(self) * 60 +
- TIME_GET_SECOND(self);
- microseconds = TIME_GET_MICROSECOND(self);
- temp1 = new_delta(0, seconds, microseconds, 1);
- if (temp1 == NULL) {
- Py_DECREF(offset);
- return -1;
- }
- temp2 = delta_subtract(temp1, offset);
- Py_DECREF(temp1);
- if (temp2 == NULL) {
- Py_DECREF(offset);
- return -1;
- }
- self->hashcode = PyObject_Hash(temp2);
- Py_DECREF(temp2);
- }
- Py_DECREF(offset);
- }
- return self->hashcode;
-}
-
-static PyObject *
-time_replace(PyDateTime_Time *self, PyObject *args, PyObject *kw)
-{
- PyObject *clone;
- PyObject *tuple;
- int hh = TIME_GET_HOUR(self);
- int mm = TIME_GET_MINUTE(self);
- int ss = TIME_GET_SECOND(self);
- int us = TIME_GET_MICROSECOND(self);
- PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO:replace",
- time_kws,
- &hh, &mm, &ss, &us, &tzinfo))
- return NULL;
- tuple = Py_BuildValue("iiiiO", hh, mm, ss, us, tzinfo);
- if (tuple == NULL)
- return NULL;
- clone = time_new(Py_TYPE(self), tuple, NULL);
- Py_DECREF(tuple);
- return clone;
-}
-
-static int
-time_bool(PyObject *self)
-{
- PyObject *offset, *tzinfo;
- int offsecs = 0;
-
- if (TIME_GET_SECOND(self) || TIME_GET_MICROSECOND(self)) {
- /* Since utcoffset is in whole minutes, nothing can
- * alter the conclusion that this is nonzero.
- */
- return 1;
- }
- tzinfo = GET_TIME_TZINFO(self);
- if (tzinfo != Py_None) {
- offset = call_utcoffset(tzinfo, Py_None);
- if (offset == NULL)
- return -1;
- offsecs = GET_TD_DAYS(offset)*86400 + GET_TD_SECONDS(offset);
- Py_DECREF(offset);
- }
- return (TIME_GET_MINUTE(self)*60 - offsecs + TIME_GET_HOUR(self)*3600) != 0;
-}
-
-/* Pickle support, a simple use of __reduce__. */
-
-/* Let basestate be the non-tzinfo data string.
- * If tzinfo is None, this returns (basestate,), else (basestate, tzinfo).
- * So it's a tuple in any (non-error) case.
- * __getstate__ isn't exposed.
- */
-static PyObject *
-time_getstate(PyDateTime_Time *self)
-{
- PyObject *basestate;
- PyObject *result = NULL;
-
- basestate = PyBytes_FromStringAndSize((char *)self->data,
- _PyDateTime_TIME_DATASIZE);
- if (basestate != NULL) {
- if (! HASTZINFO(self) || self->tzinfo == Py_None)
- result = PyTuple_Pack(1, basestate);
- else
- result = PyTuple_Pack(2, basestate, self->tzinfo);
- Py_DECREF(basestate);
- }
- return result;
-}
-
-static PyObject *
-time_reduce(PyDateTime_Time *self, PyObject *arg)
-{
- return Py_BuildValue("(ON)", Py_TYPE(self), time_getstate(self));
-}
-
-static PyMethodDef time_methods[] = {
-
- {"isoformat", (PyCFunction)time_isoformat, METH_NOARGS,
- PyDoc_STR("Return string in ISO 8601 format, HH:MM:SS[.mmmmmm]"
- "[+HH:MM].")},
-
- {"strftime", (PyCFunction)time_strftime, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("format -> strftime() style string.")},
-
- {"__format__", (PyCFunction)date_format, METH_VARARGS,
- PyDoc_STR("Formats self with strftime.")},
-
- {"utcoffset", (PyCFunction)time_utcoffset, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
-
- {"tzname", (PyCFunction)time_tzname, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.tzname(self).")},
-
- {"dst", (PyCFunction)time_dst, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.dst(self).")},
-
- {"replace", (PyCFunction)time_replace, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("Return time with new specified fields.")},
-
- {"__reduce__", (PyCFunction)time_reduce, METH_NOARGS,
- PyDoc_STR("__reduce__() -> (cls, state)")},
-
- {NULL, NULL}
-};
-
-static char time_doc[] =
-PyDoc_STR("time([hour[, minute[, second[, microsecond[, tzinfo]]]]]) --> a time object\n\
-\n\
-All arguments are optional. tzinfo may be None, or an instance of\n\
-a tzinfo subclass. The remaining arguments may be ints or longs.\n");
-
-static PyNumberMethods time_as_number = {
- 0, /* nb_add */
- 0, /* nb_subtract */
- 0, /* nb_multiply */
- 0, /* nb_remainder */
- 0, /* nb_divmod */
- 0, /* nb_power */
- 0, /* nb_negative */
- 0, /* nb_positive */
- 0, /* nb_absolute */
- (inquiry)time_bool, /* nb_bool */
-};
-
-static PyTypeObject PyDateTime_TimeType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.time", /* tp_name */
- sizeof(PyDateTime_Time), /* tp_basicsize */
- 0, /* tp_itemsize */
- (destructor)time_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)time_repr, /* tp_repr */
- &time_as_number, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)time_hash, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)time_str, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- time_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- time_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- time_methods, /* tp_methods */
- 0, /* tp_members */
- time_getset, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- time_alloc, /* tp_alloc */
- time_new, /* tp_new */
- 0, /* tp_free */
-};
-
-/*
- * PyDateTime_DateTime implementation.
- */
-
-/* Accessor properties. Properties for day, month, and year are inherited
- * from date.
- */
-
-static PyObject *
-datetime_hour(PyDateTime_DateTime *self, void *unused)
-{
- return PyLong_FromLong(DATE_GET_HOUR(self));
-}
-
-static PyObject *
-datetime_minute(PyDateTime_DateTime *self, void *unused)
-{
- return PyLong_FromLong(DATE_GET_MINUTE(self));
-}
-
-static PyObject *
-datetime_second(PyDateTime_DateTime *self, void *unused)
-{
- return PyLong_FromLong(DATE_GET_SECOND(self));
-}
-
-static PyObject *
-datetime_microsecond(PyDateTime_DateTime *self, void *unused)
-{
- return PyLong_FromLong(DATE_GET_MICROSECOND(self));
-}
-
-static PyObject *
-datetime_tzinfo(PyDateTime_DateTime *self, void *unused)
-{
- PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
- Py_INCREF(result);
- return result;
-}
-
-static PyGetSetDef datetime_getset[] = {
- {"hour", (getter)datetime_hour},
- {"minute", (getter)datetime_minute},
- {"second", (getter)datetime_second},
- {"microsecond", (getter)datetime_microsecond},
- {"tzinfo", (getter)datetime_tzinfo},
- {NULL}
-};
-
-/*
- * Constructors.
- */
-
-static char *datetime_kws[] = {
- "year", "month", "day", "hour", "minute", "second",
- "microsecond", "tzinfo", NULL
-};
-
-static PyObject *
-datetime_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- PyObject *self = NULL;
- PyObject *state;
- int year;
- int month;
- int day;
- int hour = 0;
- int minute = 0;
- int second = 0;
- int usecond = 0;
- PyObject *tzinfo = Py_None;
-
- /* Check for invocation from pickle with __getstate__ state */
- if (PyTuple_GET_SIZE(args) >= 1 &&
- PyTuple_GET_SIZE(args) <= 2 &&
- PyBytes_Check(state = PyTuple_GET_ITEM(args, 0)) &&
- PyBytes_GET_SIZE(state) == _PyDateTime_DATETIME_DATASIZE &&
- MONTH_IS_SANE(PyBytes_AS_STRING(state)[2]))
- {
- PyDateTime_DateTime *me;
- char aware;
-
- if (PyTuple_GET_SIZE(args) == 2) {
- tzinfo = PyTuple_GET_ITEM(args, 1);
- if (check_tzinfo_subclass(tzinfo) < 0) {
- PyErr_SetString(PyExc_TypeError, "bad "
- "tzinfo state arg");
- return NULL;
- }
- }
- aware = (char)(tzinfo != Py_None);
- me = (PyDateTime_DateTime *) (type->tp_alloc(type , aware));
- if (me != NULL) {
- char *pdata = PyBytes_AS_STRING(state);
-
- memcpy(me->data, pdata, _PyDateTime_DATETIME_DATASIZE);
- me->hashcode = -1;
- me->hastzinfo = aware;
- if (aware) {
- Py_INCREF(tzinfo);
- me->tzinfo = tzinfo;
- }
- }
- return (PyObject *)me;
- }
-
- if (PyArg_ParseTupleAndKeywords(args, kw, "iii|iiiiO", datetime_kws,
- &year, &month, &day, &hour, &minute,
- &second, &usecond, &tzinfo)) {
- if (check_date_args(year, month, day) < 0)
- return NULL;
- if (check_time_args(hour, minute, second, usecond) < 0)
- return NULL;
- if (check_tzinfo_subclass(tzinfo) < 0)
- return NULL;
- self = new_datetime_ex(year, month, day,
- hour, minute, second, usecond,
- tzinfo, type);
- }
- return self;
-}
-
-/* TM_FUNC is the shared type of localtime() and gmtime(). */
-typedef struct tm *(*TM_FUNC)(const time_t *timer);
-
-/* Internal helper.
- * Build datetime from a time_t and a distinct count of microseconds.
- * Pass localtime or gmtime for f, to control the interpretation of timet.
- */
-static PyObject *
-datetime_from_timet_and_us(PyObject *cls, TM_FUNC f, time_t timet, int us,
- PyObject *tzinfo)
-{
- struct tm *tm;
- PyObject *result = NULL;
-
- tm = f(&timet);
- if (tm) {
- /* The platform localtime/gmtime may insert leap seconds,
- * indicated by tm->tm_sec > 59. We don't care about them,
- * except to the extent that passing them on to the datetime
- * constructor would raise ValueError for a reason that
- * made no sense to the user.
- */
- if (tm->tm_sec > 59)
- tm->tm_sec = 59;
- result = PyObject_CallFunction(cls, "iiiiiiiO",
- tm->tm_year + 1900,
- tm->tm_mon + 1,
- tm->tm_mday,
- tm->tm_hour,
- tm->tm_min,
- tm->tm_sec,
- us,
- tzinfo);
- }
- else
- PyErr_SetString(PyExc_ValueError,
- "timestamp out of range for "
- "platform localtime()/gmtime() function");
- return result;
-}
-
-/* Internal helper.
- * Build datetime from a Python timestamp. Pass localtime or gmtime for f,
- * to control the interpretation of the timestamp. Since a double doesn't
- * have enough bits to cover a datetime's full range of precision, it's
- * better to call datetime_from_timet_and_us provided you have a way
- * to get that much precision (e.g., C time() isn't good enough).
- */
-static PyObject *
-datetime_from_timestamp(PyObject *cls, TM_FUNC f, double timestamp,
- PyObject *tzinfo)
-{
- time_t timet;
- double fraction;
- int us;
-
- timet = _PyTime_DoubleToTimet(timestamp);
- if (timet == (time_t)-1 && PyErr_Occurred())
- return NULL;
- fraction = timestamp - (double)timet;
- us = (int)round_to_long(fraction * 1e6);
- if (us < 0) {
- /* Truncation towards zero is not what we wanted
- for negative numbers (Python's mod semantics) */
- timet -= 1;
- us += 1000000;
- }
- /* If timestamp is less than one microsecond smaller than a
- * full second, round up. Otherwise, ValueErrors are raised
- * for some floats. */
- if (us == 1000000) {
- timet += 1;
- us = 0;
- }
- return datetime_from_timet_and_us(cls, f, timet, us, tzinfo);
-}
-
-/* Internal helper.
- * Build most accurate possible datetime for current time. Pass localtime or
- * gmtime for f as appropriate.
- */
-static PyObject *
-datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
-{
-#ifdef HAVE_GETTIMEOFDAY
- struct timeval t;
-
-#ifdef GETTIMEOFDAY_NO_TZ
- gettimeofday(&t);
-#else
- gettimeofday(&t, (struct timezone *)NULL);
-#endif
- return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec,
- tzinfo);
-
-#else /* ! HAVE_GETTIMEOFDAY */
- /* No flavor of gettimeofday exists on this platform. Python's
- * time.time() does a lot of other platform tricks to get the
- * best time it can on the platform, and we're not going to do
- * better than that (if we could, the better code would belong
- * in time.time()!) We're limited by the precision of a double,
- * though.
- */
- PyObject *time;
- double dtime;
-
- time = time_time();
- if (time == NULL)
- return NULL;
- dtime = PyFloat_AsDouble(time);
- Py_DECREF(time);
- if (dtime == -1.0 && PyErr_Occurred())
- return NULL;
- return datetime_from_timestamp(cls, f, dtime, tzinfo);
-#endif /* ! HAVE_GETTIMEOFDAY */
-}
-
-/* Return best possible local time -- this isn't constrained by the
- * precision of a timestamp.
- */
-static PyObject *
-datetime_now(PyObject *cls, PyObject *args, PyObject *kw)
-{
- PyObject *self;
- PyObject *tzinfo = Py_None;
- static char *keywords[] = {"tz", NULL};
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "|O:now", keywords,
- &tzinfo))
- return NULL;
- if (check_tzinfo_subclass(tzinfo) < 0)
- return NULL;
-
- self = datetime_best_possible(cls,
- tzinfo == Py_None ? localtime : gmtime,
- tzinfo);
- if (self != NULL && tzinfo != Py_None) {
- /* Convert UTC to tzinfo's zone. */
- PyObject *temp = self;
- self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
- Py_DECREF(temp);
- }
- return self;
-}
-
-/* Return best possible UTC time -- this isn't constrained by the
- * precision of a timestamp.
- */
-static PyObject *
-datetime_utcnow(PyObject *cls, PyObject *dummy)
-{
- return datetime_best_possible(cls, gmtime, Py_None);
-}
-
-/* Return new local datetime from timestamp (Python timestamp -- a double). */
-static PyObject *
-datetime_fromtimestamp(PyObject *cls, PyObject *args, PyObject *kw)
-{
- PyObject *self;
- double timestamp;
- PyObject *tzinfo = Py_None;
- static char *keywords[] = {"timestamp", "tz", NULL};
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "d|O:fromtimestamp",
- keywords, ×tamp, &tzinfo))
- return NULL;
- if (check_tzinfo_subclass(tzinfo) < 0)
- return NULL;
-
- self = datetime_from_timestamp(cls,
- tzinfo == Py_None ? localtime : gmtime,
- timestamp,
- tzinfo);
- if (self != NULL && tzinfo != Py_None) {
- /* Convert UTC to tzinfo's zone. */
- PyObject *temp = self;
- self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
- Py_DECREF(temp);
- }
- return self;
-}
-
-/* Return new UTC datetime from timestamp (Python timestamp -- a double). */
-static PyObject *
-datetime_utcfromtimestamp(PyObject *cls, PyObject *args)
-{
- double timestamp;
- PyObject *result = NULL;
-
- if (PyArg_ParseTuple(args, "d:utcfromtimestamp", ×tamp))
- result = datetime_from_timestamp(cls, gmtime, timestamp,
- Py_None);
- return result;
-}
-
-/* Return new datetime from _strptime.strptime_datetime(). */
-static PyObject *
-datetime_strptime(PyObject *cls, PyObject *args)
-{
- static PyObject *module = NULL;
- const Py_UNICODE *string, *format;
-
- if (!PyArg_ParseTuple(args, "uu:strptime", &string, &format))
- return NULL;
-
- if (module == NULL) {
- module = PyImport_ImportModuleNoBlock("_strptime");
- if (module == NULL)
- return NULL;
- }
- return PyObject_CallMethod(module, "_strptime_datetime", "Ouu",
- cls, string, format);
-}
-
-/* Return new datetime from date/datetime and time arguments. */
-static PyObject *
-datetime_combine(PyObject *cls, PyObject *args, PyObject *kw)
-{
- static char *keywords[] = {"date", "time", NULL};
- PyObject *date;
- PyObject *time;
- PyObject *result = NULL;
-
- if (PyArg_ParseTupleAndKeywords(args, kw, "O!O!:combine", keywords,
- &PyDateTime_DateType, &date,
- &PyDateTime_TimeType, &time)) {
- PyObject *tzinfo = Py_None;
-
- if (HASTZINFO(time))
- tzinfo = ((PyDateTime_Time *)time)->tzinfo;
- result = PyObject_CallFunction(cls, "iiiiiiiO",
- GET_YEAR(date),
- GET_MONTH(date),
- GET_DAY(date),
- TIME_GET_HOUR(time),
- TIME_GET_MINUTE(time),
- TIME_GET_SECOND(time),
- TIME_GET_MICROSECOND(time),
- tzinfo);
- }
- return result;
-}
-
-/*
- * Destructor.
- */
-
-static void
-datetime_dealloc(PyDateTime_DateTime *self)
-{
- if (HASTZINFO(self)) {
- Py_XDECREF(self->tzinfo);
- }
- Py_TYPE(self)->tp_free((PyObject *)self);
-}
-
-/*
- * Indirect access to tzinfo methods.
- */
-
-/* These are all METH_NOARGS, so don't need to check the arglist. */
-static PyObject *
-datetime_utcoffset(PyObject *self, PyObject *unused) {
- return call_utcoffset(GET_DT_TZINFO(self), self);
-}
-
-static PyObject *
-datetime_dst(PyObject *self, PyObject *unused) {
- return call_dst(GET_DT_TZINFO(self), self);
-}
-
-static PyObject *
-datetime_tzname(PyObject *self, PyObject *unused) {
- return call_tzname(GET_DT_TZINFO(self), self);
-}
-
-/*
- * datetime arithmetic.
- */
-
-/* factor must be 1 (to add) or -1 (to subtract). The result inherits
- * the tzinfo state of date.
- */
-static PyObject *
-add_datetime_timedelta(PyDateTime_DateTime *date, PyDateTime_Delta *delta,
- int factor)
-{
- /* Note that the C-level additions can't overflow, because of
- * invariant bounds on the member values.
- */
- int year = GET_YEAR(date);
- int month = GET_MONTH(date);
- int day = GET_DAY(date) + GET_TD_DAYS(delta) * factor;
- int hour = DATE_GET_HOUR(date);
- int minute = DATE_GET_MINUTE(date);
- int second = DATE_GET_SECOND(date) + GET_TD_SECONDS(delta) * factor;
- int microsecond = DATE_GET_MICROSECOND(date) +
- GET_TD_MICROSECONDS(delta) * factor;
-
- assert(factor == 1 || factor == -1);
- if (normalize_datetime(&year, &month, &day,
- &hour, &minute, &second, µsecond) < 0)
- return NULL;
- else
- return new_datetime(year, month, day,
- hour, minute, second, microsecond,
- HASTZINFO(date) ? date->tzinfo : Py_None);
-}
-
-static PyObject *
-datetime_add(PyObject *left, PyObject *right)
-{
- if (PyDateTime_Check(left)) {
- /* datetime + ??? */
- if (PyDelta_Check(right))
- /* datetime + delta */
- return add_datetime_timedelta(
- (PyDateTime_DateTime *)left,
- (PyDateTime_Delta *)right,
- 1);
- }
- else if (PyDelta_Check(left)) {
- /* delta + datetime */
- return add_datetime_timedelta((PyDateTime_DateTime *) right,
- (PyDateTime_Delta *) left,
- 1);
- }
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
-}
-
-static PyObject *
-datetime_subtract(PyObject *left, PyObject *right)
-{
- PyObject *result = Py_NotImplemented;
-
- if (PyDateTime_Check(left)) {
- /* datetime - ??? */
- if (PyDateTime_Check(right)) {
- /* datetime - datetime */
- PyObject *offset1, *offset2, *offdiff = NULL;
- int delta_d, delta_s, delta_us;
-
- if (GET_DT_TZINFO(left) == GET_DT_TZINFO(right)) {
- offset2 = offset1 = Py_None;
- Py_INCREF(offset1);
- Py_INCREF(offset2);
- }
- else {
- offset1 = datetime_utcoffset(left, NULL);
- if (offset1 == NULL)
- return NULL;
- offset2 = datetime_utcoffset(right, NULL);
- if (offset2 == NULL) {
- Py_DECREF(offset1);
- return NULL;
- }
- if ((offset1 != Py_None) != (offset2 != Py_None)) {
- PyErr_SetString(PyExc_TypeError,
- "can't subtract offset-naive and "
- "offset-aware datetimes");
- Py_DECREF(offset1);
- Py_DECREF(offset2);
- return NULL;
- }
- }
- if ((offset1 != offset2) &&
- delta_cmp(offset1, offset2) != 0) {
- offdiff = delta_subtract(offset1, offset2);
- if (offdiff == NULL) {
- Py_DECREF(offset1);
- Py_DECREF(offset2);
- return NULL;
- }
- }
- Py_DECREF(offset1);
- Py_DECREF(offset2);
- delta_d = ymd_to_ord(GET_YEAR(left),
- GET_MONTH(left),
- GET_DAY(left)) -
- ymd_to_ord(GET_YEAR(right),
- GET_MONTH(right),
- GET_DAY(right));
- /* These can't overflow, since the values are
- * normalized. At most this gives the number of
- * seconds in one day.
- */
- delta_s = (DATE_GET_HOUR(left) -
- DATE_GET_HOUR(right)) * 3600 +
- (DATE_GET_MINUTE(left) -
- DATE_GET_MINUTE(right)) * 60 +
- (DATE_GET_SECOND(left) -
- DATE_GET_SECOND(right));
- delta_us = DATE_GET_MICROSECOND(left) -
- DATE_GET_MICROSECOND(right);
- result = new_delta(delta_d, delta_s, delta_us, 1);
- if (offdiff != NULL) {
- PyObject *temp = result;
- result = delta_subtract(result, offdiff);
- Py_DECREF(temp);
- Py_DECREF(offdiff);
- }
- }
- else if (PyDelta_Check(right)) {
- /* datetime - delta */
- result = add_datetime_timedelta(
- (PyDateTime_DateTime *)left,
- (PyDateTime_Delta *)right,
- -1);
- }
- }
-
- if (result == Py_NotImplemented)
- Py_INCREF(result);
- return result;
-}
-
-/* Various ways to turn a datetime into a string. */
-
-static PyObject *
-datetime_repr(PyDateTime_DateTime *self)
-{
- const char *type_name = Py_TYPE(self)->tp_name;
- PyObject *baserepr;
-
- if (DATE_GET_MICROSECOND(self)) {
- baserepr = PyUnicode_FromFormat(
- "%s(%d, %d, %d, %d, %d, %d, %d)",
- type_name,
- GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
- DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self),
- DATE_GET_MICROSECOND(self));
- }
- else if (DATE_GET_SECOND(self)) {
- baserepr = PyUnicode_FromFormat(
- "%s(%d, %d, %d, %d, %d, %d)",
- type_name,
- GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
- DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self));
- }
- else {
- baserepr = PyUnicode_FromFormat(
- "%s(%d, %d, %d, %d, %d)",
- type_name,
- GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
- DATE_GET_HOUR(self), DATE_GET_MINUTE(self));
- }
- if (baserepr == NULL || ! HASTZINFO(self))
- return baserepr;
- return append_keyword_tzinfo(baserepr, self->tzinfo);
-}
-
-static PyObject *
-datetime_str(PyDateTime_DateTime *self)
-{
- return PyObject_CallMethod((PyObject *)self, "isoformat", "(s)", " ");
-}
-
-static PyObject *
-datetime_isoformat(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
-{
- int sep = 'T';
- static char *keywords[] = {"sep", NULL};
- char buffer[100];
- PyObject *result;
- int us = DATE_GET_MICROSECOND(self);
-
- if (!PyArg_ParseTupleAndKeywords(args, kw, "|C:isoformat", keywords, &sep))
- return NULL;
- if (us)
- result = PyUnicode_FromFormat("%04d-%02d-%02d%c%02d:%02d:%02d.%06d",
- GET_YEAR(self), GET_MONTH(self),
- GET_DAY(self), (int)sep,
- DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self), us);
- else
- result = PyUnicode_FromFormat("%04d-%02d-%02d%c%02d:%02d:%02d",
- GET_YEAR(self), GET_MONTH(self),
- GET_DAY(self), (int)sep,
- DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self));
-
- if (!result || !HASTZINFO(self))
- return result;
-
- /* We need to append the UTC offset. */
- if (format_utcoffset(buffer, sizeof(buffer), ":", self->tzinfo,
- (PyObject *)self) < 0) {
- Py_DECREF(result);
- return NULL;
- }
- PyUnicode_AppendAndDel(&result, PyUnicode_FromString(buffer));
- return result;
-}
-
-static PyObject *
-datetime_ctime(PyDateTime_DateTime *self)
-{
- return format_ctime((PyDateTime_Date *)self,
- DATE_GET_HOUR(self),
- DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self));
-}
-
-/* Miscellaneous methods. */
-
-static PyObject *
-datetime_richcompare(PyObject *self, PyObject *other, int op)
-{
- PyObject *result = NULL;
- PyObject *offset1, *offset2;
- int diff;
-
- if (! PyDateTime_Check(other)) {
- if (PyDate_Check(other)) {
- /* Prevent invocation of date_richcompare. We want to
- return NotImplemented here to give the other object
- a chance. But since DateTime is a subclass of
- Date, if the other object is a Date, it would
- compute an ordering based on the date part alone,
- and we don't want that. So force unequal or
- uncomparable here in that case. */
- if (op == Py_EQ)
- Py_RETURN_FALSE;
- if (op == Py_NE)
- Py_RETURN_TRUE;
- return cmperror(self, other);
- }
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- if (GET_DT_TZINFO(self) == GET_DT_TZINFO(other)) {
- diff = memcmp(((PyDateTime_DateTime *)self)->data,
- ((PyDateTime_DateTime *)other)->data,
- _PyDateTime_DATETIME_DATASIZE);
- return diff_to_bool(diff, op);
- }
- offset1 = datetime_utcoffset(self, NULL);
- if (offset1 == NULL)
- return NULL;
- offset2 = datetime_utcoffset(other, NULL);
- if (offset2 == NULL)
- goto done;
- /* If they're both naive, or both aware and have the same offsets,
- * we get off cheap. Note that if they're both naive, offset1 ==
- * offset2 == Py_None at this point.
- */
- if ((offset1 == offset2) ||
- (PyDelta_Check(offset1) && PyDelta_Check(offset2) &&
- delta_cmp(offset1, offset2) == 0)) {
- diff = memcmp(((PyDateTime_DateTime *)self)->data,
- ((PyDateTime_DateTime *)other)->data,
- _PyDateTime_DATETIME_DATASIZE);
- result = diff_to_bool(diff, op);
- }
- else if (offset1 != Py_None && offset2 != Py_None) {
- PyDateTime_Delta *delta;
-
- assert(offset1 != offset2); /* else last "if" handled it */
- delta = (PyDateTime_Delta *)datetime_subtract((PyObject *)self,
- other);
- if (delta == NULL)
- goto done;
- diff = GET_TD_DAYS(delta);
- if (diff == 0)
- diff = GET_TD_SECONDS(delta) |
- GET_TD_MICROSECONDS(delta);
- Py_DECREF(delta);
- result = diff_to_bool(diff, op);
- }
- else {
- PyErr_SetString(PyExc_TypeError,
- "can't compare offset-naive and "
- "offset-aware datetimes");
- }
- done:
- Py_DECREF(offset1);
- Py_XDECREF(offset2);
- return result;
-}
-
-static long
-datetime_hash(PyDateTime_DateTime *self)
-{
- if (self->hashcode == -1) {
- PyObject *offset;
-
- offset = datetime_utcoffset((PyObject *)self, NULL);
-
- if (offset == NULL)
- return -1;
-
- /* Reduce this to a hash of another object. */
- if (offset == Py_None)
- self->hashcode = generic_hash(
- (unsigned char *)self->data, _PyDateTime_DATETIME_DATASIZE);
- else {
- PyObject *temp1, *temp2;
- int days, seconds;
-
- assert(HASTZINFO(self));
- days = ymd_to_ord(GET_YEAR(self),
- GET_MONTH(self),
- GET_DAY(self));
- seconds = DATE_GET_HOUR(self) * 3600 +
- DATE_GET_MINUTE(self) * 60 +
- DATE_GET_SECOND(self);
- temp1 = new_delta(days, seconds,
- DATE_GET_MICROSECOND(self),
- 1);
- if (temp1 == NULL) {
- Py_DECREF(offset);
- return -1;
- }
- temp2 = delta_subtract(temp1, offset);
- Py_DECREF(temp1);
- if (temp2 == NULL) {
- Py_DECREF(offset);
- return -1;
- }
- self->hashcode = PyObject_Hash(temp2);
- Py_DECREF(temp2);
- }
- Py_DECREF(offset);
- }
- return self->hashcode;
-}
-
-static PyObject *
-datetime_replace(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
-{
- PyObject *clone;
- PyObject *tuple;
- int y = GET_YEAR(self);
- int m = GET_MONTH(self);
- int d = GET_DAY(self);
- int hh = DATE_GET_HOUR(self);
- int mm = DATE_GET_MINUTE(self);
- int ss = DATE_GET_SECOND(self);
- int us = DATE_GET_MICROSECOND(self);
- PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiiiiO:replace",
- datetime_kws,
- &y, &m, &d, &hh, &mm, &ss, &us,
- &tzinfo))
- return NULL;
- tuple = Py_BuildValue("iiiiiiiO", y, m, d, hh, mm, ss, us, tzinfo);
- if (tuple == NULL)
- return NULL;
- clone = datetime_new(Py_TYPE(self), tuple, NULL);
- Py_DECREF(tuple);
- return clone;
-}
-
-static PyObject *
-datetime_astimezone(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
-{
- PyObject *result;
- PyObject *offset;
- PyObject *temp;
- PyObject *tzinfo;
- static char *keywords[] = {"tz", NULL};
-
- if (! PyArg_ParseTupleAndKeywords(args, kw, "O!:astimezone", keywords,
- &PyDateTime_TZInfoType, &tzinfo))
- return NULL;
-
- if (!HASTZINFO(self) || self->tzinfo == Py_None)
- goto NeedAware;
-
- /* Conversion to self's own time zone is a NOP. */
- if (self->tzinfo == tzinfo) {
- Py_INCREF(self);
- return (PyObject *)self;
- }
-
- /* Convert self to UTC. */
- offset = datetime_utcoffset((PyObject *)self, NULL);
- if (offset == NULL)
- return NULL;
- if (offset == Py_None) {
- Py_DECREF(offset);
- NeedAware:
- PyErr_SetString(PyExc_ValueError, "astimezone() cannot be applied to "
- "a naive datetime");
- return NULL;
- }
-
- /* result = self - offset */
- result = add_datetime_timedelta(self,
- (PyDateTime_Delta *)offset, -1);
- Py_DECREF(offset);
- if (result == NULL)
- return NULL;
-
- /* Attach new tzinfo and let fromutc() do the rest. */
- temp = ((PyDateTime_DateTime *)result)->tzinfo;
- ((PyDateTime_DateTime *)result)->tzinfo = tzinfo;
- Py_INCREF(tzinfo);
- Py_DECREF(temp);
-
- temp = result;
- result = PyObject_CallMethod(tzinfo, "fromutc", "O", temp);
- Py_DECREF(temp);
-
- return result;
-}
-
-static PyObject *
-datetime_timetuple(PyDateTime_DateTime *self)
-{
- int dstflag = -1;
-
- if (HASTZINFO(self) && self->tzinfo != Py_None) {
- PyObject * dst;
-
- dst = call_dst(self->tzinfo, (PyObject *)self);
- if (dst == NULL)
- return NULL;
-
- if (dst != Py_None)
- dstflag = delta_bool((PyDateTime_Delta *)dst);
- Py_DECREF(dst);
- }
- return build_struct_time(GET_YEAR(self),
- GET_MONTH(self),
- GET_DAY(self),
- DATE_GET_HOUR(self),
- DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self),
- dstflag);
-}
-
-static PyObject *
-datetime_getdate(PyDateTime_DateTime *self)
-{
- return new_date(GET_YEAR(self),
- GET_MONTH(self),
- GET_DAY(self));
-}
-
-static PyObject *
-datetime_gettime(PyDateTime_DateTime *self)
-{
- return new_time(DATE_GET_HOUR(self),
- DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self),
- DATE_GET_MICROSECOND(self),
- Py_None);
-}
-
-static PyObject *
-datetime_gettimetz(PyDateTime_DateTime *self)
-{
- return new_time(DATE_GET_HOUR(self),
- DATE_GET_MINUTE(self),
- DATE_GET_SECOND(self),
- DATE_GET_MICROSECOND(self),
- GET_DT_TZINFO(self));
-}
-
-static PyObject *
-datetime_utctimetuple(PyDateTime_DateTime *self)
-{
- int y, m, d, hh, mm, ss;
- PyObject *tzinfo;
- PyDateTime_DateTime *utcself;
-
- tzinfo = GET_DT_TZINFO(self);
- if (tzinfo == Py_None) {
- utcself = self;
- Py_INCREF(utcself);
- }
- else {
- PyObject *offset;
- offset = call_utcoffset(tzinfo, (PyObject *)self);
- if (offset == NULL)
- return NULL;
- if (offset == Py_None) {
- Py_DECREF(offset);
- utcself = self;
- Py_INCREF(utcself);
- }
- else {
- utcself = (PyDateTime_DateTime *)add_datetime_timedelta(self,
- (PyDateTime_Delta *)offset, -1);
- Py_DECREF(offset);
- if (utcself == NULL)
- return NULL;
- }
- }
- y = GET_YEAR(utcself);
- m = GET_MONTH(utcself);
- d = GET_DAY(utcself);
- hh = DATE_GET_HOUR(utcself);
- mm = DATE_GET_MINUTE(utcself);
- ss = DATE_GET_SECOND(utcself);
-
- Py_DECREF(utcself);
- return build_struct_time(y, m, d, hh, mm, ss, 0);
-}
-
-/* Pickle support, a simple use of __reduce__. */
-
-/* Let basestate be the non-tzinfo data string.
- * If tzinfo is None, this returns (basestate,), else (basestate, tzinfo).
- * So it's a tuple in any (non-error) case.
- * __getstate__ isn't exposed.
- */
-static PyObject *
-datetime_getstate(PyDateTime_DateTime *self)
-{
- PyObject *basestate;
- PyObject *result = NULL;
-
- basestate = PyBytes_FromStringAndSize((char *)self->data,
- _PyDateTime_DATETIME_DATASIZE);
- if (basestate != NULL) {
- if (! HASTZINFO(self) || self->tzinfo == Py_None)
- result = PyTuple_Pack(1, basestate);
- else
- result = PyTuple_Pack(2, basestate, self->tzinfo);
- Py_DECREF(basestate);
- }
- return result;
-}
-
-static PyObject *
-datetime_reduce(PyDateTime_DateTime *self, PyObject *arg)
-{
- return Py_BuildValue("(ON)", Py_TYPE(self), datetime_getstate(self));
-}
-
-static PyMethodDef datetime_methods[] = {
-
- /* Class methods: */
-
- {"now", (PyCFunction)datetime_now,
- METH_VARARGS | METH_KEYWORDS | METH_CLASS,
- PyDoc_STR("[tz] -> new datetime with tz's local day and time.")},
-
- {"utcnow", (PyCFunction)datetime_utcnow,
- METH_NOARGS | METH_CLASS,
- PyDoc_STR("Return a new datetime representing UTC day and time.")},
-
- {"fromtimestamp", (PyCFunction)datetime_fromtimestamp,
- METH_VARARGS | METH_KEYWORDS | METH_CLASS,
- PyDoc_STR("timestamp[, tz] -> tz's local time from POSIX timestamp.")},
-
- {"utcfromtimestamp", (PyCFunction)datetime_utcfromtimestamp,
- METH_VARARGS | METH_CLASS,
- PyDoc_STR("timestamp -> UTC datetime from a POSIX timestamp "
- "(like time.time()).")},
-
- {"strptime", (PyCFunction)datetime_strptime,
- METH_VARARGS | METH_CLASS,
- PyDoc_STR("string, format -> new datetime parsed from a string "
- "(like time.strptime()).")},
-
- {"combine", (PyCFunction)datetime_combine,
- METH_VARARGS | METH_KEYWORDS | METH_CLASS,
- PyDoc_STR("date, time -> datetime with same date and time fields")},
-
- /* Instance methods: */
-
- {"date", (PyCFunction)datetime_getdate, METH_NOARGS,
- PyDoc_STR("Return date object with same year, month and day.")},
-
- {"time", (PyCFunction)datetime_gettime, METH_NOARGS,
- PyDoc_STR("Return time object with same time but with tzinfo=None.")},
-
- {"timetz", (PyCFunction)datetime_gettimetz, METH_NOARGS,
- PyDoc_STR("Return time object with same time and tzinfo.")},
-
- {"ctime", (PyCFunction)datetime_ctime, METH_NOARGS,
- PyDoc_STR("Return ctime() style string.")},
-
- {"timetuple", (PyCFunction)datetime_timetuple, METH_NOARGS,
- PyDoc_STR("Return time tuple, compatible with time.localtime().")},
-
- {"utctimetuple", (PyCFunction)datetime_utctimetuple, METH_NOARGS,
- PyDoc_STR("Return UTC time tuple, compatible with time.localtime().")},
-
- {"isoformat", (PyCFunction)datetime_isoformat, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("[sep] -> string in ISO 8601 format, "
- "YYYY-MM-DDTHH:MM:SS[.mmmmmm][+HH:MM].\n\n"
- "sep is used to separate the year from the time, and "
- "defaults to 'T'.")},
-
- {"utcoffset", (PyCFunction)datetime_utcoffset, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
-
- {"tzname", (PyCFunction)datetime_tzname, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.tzname(self).")},
-
- {"dst", (PyCFunction)datetime_dst, METH_NOARGS,
- PyDoc_STR("Return self.tzinfo.dst(self).")},
-
- {"replace", (PyCFunction)datetime_replace, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("Return datetime with new specified fields.")},
-
- {"astimezone", (PyCFunction)datetime_astimezone, METH_VARARGS | METH_KEYWORDS,
- PyDoc_STR("tz -> convert to local time in new timezone tz\n")},
-
- {"__reduce__", (PyCFunction)datetime_reduce, METH_NOARGS,
- PyDoc_STR("__reduce__() -> (cls, state)")},
-
- {NULL, NULL}
-};
-
-static char datetime_doc[] =
-PyDoc_STR("datetime(year, month, day[, hour[, minute[, second[, microsecond[,tzinfo]]]]])\n\
-\n\
-The year, month and day arguments are required. tzinfo may be None, or an\n\
-instance of a tzinfo subclass. The remaining arguments may be ints or longs.\n");
-
-static PyNumberMethods datetime_as_number = {
- datetime_add, /* nb_add */
- datetime_subtract, /* nb_subtract */
- 0, /* nb_multiply */
- 0, /* nb_remainder */
- 0, /* nb_divmod */
- 0, /* nb_power */
- 0, /* nb_negative */
- 0, /* nb_positive */
- 0, /* nb_absolute */
- 0, /* nb_bool */
-};
-
-static PyTypeObject PyDateTime_DateTimeType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "datetime.datetime", /* tp_name */
- sizeof(PyDateTime_DateTime), /* tp_basicsize */
- 0, /* tp_itemsize */
- (destructor)datetime_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)datetime_repr, /* tp_repr */
- &datetime_as_number, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)datetime_hash, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)datetime_str, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- datetime_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- datetime_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- datetime_methods, /* tp_methods */
- 0, /* tp_members */
- datetime_getset, /* tp_getset */
- &PyDateTime_DateType, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- datetime_alloc, /* tp_alloc */
- datetime_new, /* tp_new */
- 0, /* tp_free */
-};
-
-/* ---------------------------------------------------------------------------
- * Module methods and initialization.
- */
-
-static PyMethodDef module_methods[] = {
- {NULL, NULL}
-};
-
-/* C API. Clients get at this via PyDateTime_IMPORT, defined in
- * datetime.h.
- */
-static PyDateTime_CAPI CAPI = {
- &PyDateTime_DateType,
- &PyDateTime_DateTimeType,
- &PyDateTime_TimeType,
- &PyDateTime_DeltaType,
- &PyDateTime_TZInfoType,
- new_date_ex,
- new_datetime_ex,
- new_time_ex,
- new_delta_ex,
- datetime_fromtimestamp,
- date_fromtimestamp
-};
-
-
-
-static struct PyModuleDef datetimemodule = {
- PyModuleDef_HEAD_INIT,
- "datetime",
- "Fast implementation of the datetime type.",
- -1,
- module_methods,
- NULL,
- NULL,
- NULL,
- NULL
-};
-
-PyMODINIT_FUNC
-PyInit_datetime(void)
-{
- PyObject *m; /* a module object */
- PyObject *d; /* its dict */
- PyObject *x;
- PyObject *delta;
-
- m = PyModule_Create(&datetimemodule);
- if (m == NULL)
- return NULL;
-
- if (PyType_Ready(&PyDateTime_DateType) < 0)
- return NULL;
- if (PyType_Ready(&PyDateTime_DateTimeType) < 0)
- return NULL;
- if (PyType_Ready(&PyDateTime_DeltaType) < 0)
- return NULL;
- if (PyType_Ready(&PyDateTime_TimeType) < 0)
- return NULL;
- if (PyType_Ready(&PyDateTime_TZInfoType) < 0)
- return NULL;
- if (PyType_Ready(&PyDateTime_TimeZoneType) < 0)
- return NULL;
-
- /* timedelta values */
- d = PyDateTime_DeltaType.tp_dict;
-
- x = new_delta(0, 0, 1, 0);
- if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_delta(-MAX_DELTA_DAYS, 0, 0, 0);
- if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_delta(MAX_DELTA_DAYS, 24*3600-1, 1000000-1, 0);
- if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- /* date values */
- d = PyDateTime_DateType.tp_dict;
-
- x = new_date(1, 1, 1);
- if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_date(MAXYEAR, 12, 31);
- if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_delta(1, 0, 0, 0);
- if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- /* time values */
- d = PyDateTime_TimeType.tp_dict;
-
- x = new_time(0, 0, 0, 0, Py_None);
- if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_time(23, 59, 59, 999999, Py_None);
- if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_delta(0, 0, 1, 0);
- if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- /* datetime values */
- d = PyDateTime_DateTimeType.tp_dict;
-
- x = new_datetime(1, 1, 1, 0, 0, 0, 0, Py_None);
- if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_datetime(MAXYEAR, 12, 31, 23, 59, 59, 999999, Py_None);
- if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- x = new_delta(0, 0, 1, 0);
- if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- /* timezone values */
- d = PyDateTime_TimeZoneType.tp_dict;
-
- delta = new_delta(0, 0, 0, 0);
- if (delta == NULL)
- return NULL;
- x = new_timezone(delta, NULL);
- Py_DECREF(delta);
- if (x == NULL || PyDict_SetItemString(d, "utc", x) < 0)
- return NULL;
- PyDateTime_TimeZone_UTC = x;
-
- delta = new_delta(-1, 60, 0, 1); /* -23:59 */
- if (delta == NULL)
- return NULL;
- x = new_timezone(delta, NULL);
- Py_DECREF(delta);
- if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- delta = new_delta(0, (23 * 60 + 59) * 60, 0, 0); /* +23:59 */
- if (delta == NULL)
- return NULL;
- x = new_timezone(delta, NULL);
- Py_DECREF(delta);
- if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
- return NULL;
- Py_DECREF(x);
-
- /* module initialization */
- PyModule_AddIntConstant(m, "MINYEAR", MINYEAR);
- PyModule_AddIntConstant(m, "MAXYEAR", MAXYEAR);
-
- Py_INCREF(&PyDateTime_DateType);
- PyModule_AddObject(m, "date", (PyObject *) &PyDateTime_DateType);
-
- Py_INCREF(&PyDateTime_DateTimeType);
- PyModule_AddObject(m, "datetime",
- (PyObject *)&PyDateTime_DateTimeType);
-
- Py_INCREF(&PyDateTime_TimeType);
- PyModule_AddObject(m, "time", (PyObject *) &PyDateTime_TimeType);
-
- Py_INCREF(&PyDateTime_DeltaType);
- PyModule_AddObject(m, "timedelta", (PyObject *) &PyDateTime_DeltaType);
-
- Py_INCREF(&PyDateTime_TZInfoType);
- PyModule_AddObject(m, "tzinfo", (PyObject *) &PyDateTime_TZInfoType);
-
- Py_INCREF(&PyDateTime_TimeZoneType);
- PyModule_AddObject(m, "timezone", (PyObject *) &PyDateTime_TimeZoneType);
-
- x = PyCapsule_New(&CAPI, PyDateTime_CAPSULE_NAME, NULL);
- if (x == NULL)
- return NULL;
- PyModule_AddObject(m, "datetime_CAPI", x);
-
- /* A 4-year cycle has an extra leap day over what we'd get from
- * pasting together 4 single years.
- */
- assert(DI4Y == 4 * 365 + 1);
- assert(DI4Y == days_before_year(4+1));
-
- /* Similarly, a 400-year cycle has an extra leap day over what we'd
- * get from pasting together 4 100-year cycles.
- */
- assert(DI400Y == 4 * DI100Y + 1);
- assert(DI400Y == days_before_year(400+1));
-
- /* OTOH, a 100-year cycle has one fewer leap day than we'd get from
- * pasting together 25 4-year cycles.
- */
- assert(DI100Y == 25 * DI4Y - 1);
- assert(DI100Y == days_before_year(100+1));
-
- us_per_us = PyLong_FromLong(1);
- us_per_ms = PyLong_FromLong(1000);
- us_per_second = PyLong_FromLong(1000000);
- us_per_minute = PyLong_FromLong(60000000);
- seconds_per_day = PyLong_FromLong(24 * 3600);
- if (us_per_us == NULL || us_per_ms == NULL || us_per_second == NULL ||
- us_per_minute == NULL || seconds_per_day == NULL)
- return NULL;
-
- /* The rest are too big for 32-bit ints, but even
- * us_per_week fits in 40 bits, so doubles should be exact.
- */
- us_per_hour = PyLong_FromDouble(3600000000.0);
- us_per_day = PyLong_FromDouble(86400000000.0);
- us_per_week = PyLong_FromDouble(604800000000.0);
- if (us_per_hour == NULL || us_per_day == NULL || us_per_week == NULL)
- return NULL;
- return m;
-}
-
-/* ---------------------------------------------------------------------------
-Some time zone algebra. For a datetime x, let
- x.n = x stripped of its timezone -- its naive time.
- x.o = x.utcoffset(), and assuming that doesn't raise an exception or
- return None
- x.d = x.dst(), and assuming that doesn't raise an exception or
- return None
- x.s = x's standard offset, x.o - x.d
-
-Now some derived rules, where k is a duration (timedelta).
-
-1. x.o = x.s + x.d
- This follows from the definition of x.s.
-
-2. If x and y have the same tzinfo member, x.s = y.s.
- This is actually a requirement, an assumption we need to make about
- sane tzinfo classes.
-
-3. The naive UTC time corresponding to x is x.n - x.o.
- This is again a requirement for a sane tzinfo class.
-
-4. (x+k).s = x.s
- This follows from #2, and that datimetimetz+timedelta preserves tzinfo.
-
-5. (x+k).n = x.n + k
- Again follows from how arithmetic is defined.
-
-Now we can explain tz.fromutc(x). Let's assume it's an interesting case
-(meaning that the various tzinfo methods exist, and don't blow up or return
-None when called).
-
-The function wants to return a datetime y with timezone tz, equivalent to x.
-x is already in UTC.
-
-By #3, we want
-
- y.n - y.o = x.n [1]
-
-The algorithm starts by attaching tz to x.n, and calling that y. So
-x.n = y.n at the start. Then it wants to add a duration k to y, so that [1]
-becomes true; in effect, we want to solve [2] for k:
-
- (y+k).n - (y+k).o = x.n [2]
-
-By #1, this is the same as
-
- (y+k).n - ((y+k).s + (y+k).d) = x.n [3]
-
-By #5, (y+k).n = y.n + k, which equals x.n + k because x.n=y.n at the start.
-Substituting that into [3],
-
- x.n + k - (y+k).s - (y+k).d = x.n; the x.n terms cancel, leaving
- k - (y+k).s - (y+k).d = 0; rearranging,
- k = (y+k).s - (y+k).d; by #4, (y+k).s == y.s, so
- k = y.s - (y+k).d
-
-On the RHS, (y+k).d can't be computed directly, but y.s can be, and we
-approximate k by ignoring the (y+k).d term at first. Note that k can't be
-very large, since all offset-returning methods return a duration of magnitude
-less than 24 hours. For that reason, if y is firmly in std time, (y+k).d must
-be 0, so ignoring it has no consequence then.
-
-In any case, the new value is
-
- z = y + y.s [4]
-
-It's helpful to step back at look at [4] from a higher level: it's simply
-mapping from UTC to tz's standard time.
-
-At this point, if
-
- z.n - z.o = x.n [5]
-
-we have an equivalent time, and are almost done. The insecurity here is
-at the start of daylight time. Picture US Eastern for concreteness. The wall
-time jumps from 1:59 to 3:00, and wall hours of the form 2:MM don't make good
-sense then. The docs ask that an Eastern tzinfo class consider such a time to
-be EDT (because it's "after 2"), which is a redundant spelling of 1:MM EST
-on the day DST starts. We want to return the 1:MM EST spelling because that's
-the only spelling that makes sense on the local wall clock.
-
-In fact, if [5] holds at this point, we do have the standard-time spelling,
-but that takes a bit of proof. We first prove a stronger result. What's the
-difference between the LHS and RHS of [5]? Let
-
- diff = x.n - (z.n - z.o) [6]
-
-Now
- z.n = by [4]
- (y + y.s).n = by #5
- y.n + y.s = since y.n = x.n
- x.n + y.s = since z and y are have the same tzinfo member,
- y.s = z.s by #2
- x.n + z.s
-
-Plugging that back into [6] gives
-
- diff =
- x.n - ((x.n + z.s) - z.o) = expanding
- x.n - x.n - z.s + z.o = cancelling
- - z.s + z.o = by #2
- z.d
-
-So diff = z.d.
-
-If [5] is true now, diff = 0, so z.d = 0 too, and we have the standard-time
-spelling we wanted in the endcase described above. We're done. Contrarily,
-if z.d = 0, then we have a UTC equivalent, and are also done.
-
-If [5] is not true now, diff = z.d != 0, and z.d is the offset we need to
-add to z (in effect, z is in tz's standard time, and we need to shift the
-local clock into tz's daylight time).
-
-Let
-
- z' = z + z.d = z + diff [7]
-
-and we can again ask whether
-
- z'.n - z'.o = x.n [8]
-
-If so, we're done. If not, the tzinfo class is insane, according to the
-assumptions we've made. This also requires a bit of proof. As before, let's
-compute the difference between the LHS and RHS of [8] (and skipping some of
-the justifications for the kinds of substitutions we've done several times
-already):
-
- diff' = x.n - (z'.n - z'.o) = replacing z'.n via [7]
- x.n - (z.n + diff - z'.o) = replacing diff via [6]
- x.n - (z.n + x.n - (z.n - z.o) - z'.o) =
- x.n - z.n - x.n + z.n - z.o + z'.o = cancel x.n
- - z.n + z.n - z.o + z'.o = cancel z.n
- - z.o + z'.o = #1 twice
- -z.s - z.d + z'.s + z'.d = z and z' have same tzinfo
- z'.d - z.d
-
-So z' is UTC-equivalent to x iff z'.d = z.d at this point. If they are equal,
-we've found the UTC-equivalent so are done. In fact, we stop with [7] and
-return z', not bothering to compute z'.d.
-
-How could z.d and z'd differ? z' = z + z.d [7], so merely moving z' by
-a dst() offset, and starting *from* a time already in DST (we know z.d != 0),
-would have to change the result dst() returns: we start in DST, and moving
-a little further into it takes us out of DST.
-
-There isn't a sane case where this can happen. The closest it gets is at
-the end of DST, where there's an hour in UTC with no spelling in a hybrid
-tzinfo class. In US Eastern, that's 5:MM UTC = 0:MM EST = 1:MM EDT. During
-that hour, on an Eastern clock 1:MM is taken as being in standard time (6:MM
-UTC) because the docs insist on that, but 0:MM is taken as being in daylight
-time (4:MM UTC). There is no local time mapping to 5:MM UTC. The local
-clock jumps from 1:59 back to 1:00 again, and repeats the 1:MM hour in
-standard time. Since that's what the local clock *does*, we want to map both
-UTC hours 5:MM and 6:MM to 1:MM Eastern. The result is ambiguous
-in local time, but so it goes -- it's the way the local clock works.
-
-When x = 5:MM UTC is the input to this algorithm, x.o=0, y.o=-5 and y.d=0,
-so z=0:MM. z.d=60 (minutes) then, so [5] doesn't hold and we keep going.
-z' = z + z.d = 1:MM then, and z'.d=0, and z'.d - z.d = -60 != 0 so [8]
-(correctly) concludes that z' is not UTC-equivalent to x.
-
-Because we know z.d said z was in daylight time (else [5] would have held and
-we would have stopped then), and we know z.d != z'.d (else [8] would have held
-and we would have stopped then), and there are only 2 possible values dst() can
-return in Eastern, it follows that z'.d must be 0 (which it is in the example,
-but the reasoning doesn't depend on the example -- it depends on there being
-two possible dst() outcomes, one zero and the other non-zero). Therefore
-z' must be in standard time, and is the spelling we want in this case.
-
-Note again that z' is not UTC-equivalent as far as the hybrid tzinfo class is
-concerned (because it takes z' as being in standard time rather than the
-daylight time we intend here), but returning it gives the real-life "local
-clock repeats an hour" behavior when mapping the "unspellable" UTC hour into
-tz.
-
-When the input is 6:MM, z=1:MM and z.d=0, and we stop at once, again with
-the 1:MM standard time spelling we want.
-
-So how can this break? One of the assumptions must be violated. Two
-possibilities:
-
-1) [2] effectively says that y.s is invariant across all y belong to a given
- time zone. This isn't true if, for political reasons or continental drift,
- a region decides to change its base offset from UTC.
-
-2) There may be versions of "double daylight" time where the tail end of
- the analysis gives up a step too early. I haven't thought about that
- enough to say.
-
-In any case, it's clear that the default fromutc() is strong enough to handle
-"almost all" time zones: so long as the standard offset is invariant, it
-doesn't matter if daylight time transition points change from year to year, or
-if daylight time is skipped in some years; it doesn't matter how large or
-small dst() may get within its bounds; and it doesn't even matter if some
-perverse time zone returns a negative dst()). So a breaking case must be
-pretty bizarre, and a tzinfo subclass can override fromutc() if it is.
---------------------------------------------------------------------------- */