# Getting the C version of datetime:
import _datetime as cdt

# Getting the pure Python version of datetime:
from test.support import import_fresh_module
pydt = import_fresh_module("datetime", blocked=["_datetime"])


# For the following kinds of "d"
dc = cdt.datetime(1, 2, 3)
dp = pydt.datetime(1, 2, 3)
class SubC(cdt.datetime): pass
dcs = SubC(1, 2, 3)
class SubPy(cdt.datetime): pass
dps = SubPy(1, 2, 3)

# Test the results of all the following operations
for d in (dc, dp,dcs,dps):
    print(type(d))
    try:
        print(d+1)
    except Exception as e:
        print(e)
    try:
        print(1+d)
    except Exception as e:
        print(e)
    print(d.__add__(1), d.__radd__(1), 1 .__add__(d), 1 .__radd__(d))

##<class 'datetime.datetime'>
##unsupported operand type(s) for +: 'datetime.datetime' and 'int'
##unsupported operand type(s) for +: 'int' and 'datetime.datetime'
##NotImplemented NotImplemented NotImplemented NotImplemented
##<class 'datetime.datetime'>
##unsupported operand type(s) for +: 'datetime' and 'int'
##unsupported operand type(s) for +: 'int' and 'datetime'
##NotImplemented NotImplemented NotImplemented NotImplemented
##<class '__main__.SubC'>
##NotImplemented
##unsupported operand type(s) for +: 'int' and 'SubC'
##NotImplemented NotImplemented NotImplemented NotImplemented
##<class '__main__.SubPy'>
##NotImplemented
##unsupported operand type(s) for +: 'int' and 'SubPy'
##NotImplemented NotImplemented NotImplemented NotImplemented