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| 1 """ | 1 """ |
| 2 Python implementation of the io module. | 2 Python implementation of the io module. |
| 3 """ | 3 """ |
| 4 | 4 |
| 5 import os | 5 import os |
| 6 import abc | 6 import abc |
| 7 import codecs | 7 import codecs |
| 8 import warnings | 8 import warnings |
| 9 import errno | 9 import errno |
| 10 # Import _thread instead of threading to reduce startup cost | 10 # Import _thread instead of threading to reduce startup cost |
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| 34 | 34 |
| 35 file is either a text or byte string giving the name (and the path | 35 file is either a text or byte string giving the name (and the path |
| 36 if the file isn't in the current working directory) of the file to | 36 if the file isn't in the current working directory) of the file to |
| 37 be opened or an integer file descriptor of the file to be | 37 be opened or an integer file descriptor of the file to be |
| 38 wrapped. (If a file descriptor is given, it is closed when the | 38 wrapped. (If a file descriptor is given, it is closed when the |
| 39 returned I/O object is closed, unless closefd is set to False.) | 39 returned I/O object is closed, unless closefd is set to False.) |
| 40 | 40 |
| 41 mode is an optional string that specifies the mode in which the file is | 41 mode is an optional string that specifies the mode in which the file is |
| 42 opened. It defaults to 'r' which means open for reading in text mode. Other | 42 opened. It defaults to 'r' which means open for reading in text mode. Other |
| 43 common values are 'w' for writing (truncating the file if it already | 43 common values are 'w' for writing (truncating the file if it already |
| 44 exists), 'x' for creating and writing to a new file, and 'a' for appending | 44 exists), 'x' for exclusive creation of a new file, and 'a' for appending |
| 45 (which on some Unix systems, means that all writes append to the end of the | 45 (which on some Unix systems, means that all writes append to the end of the |
| 46 file regardless of the current seek position). In text mode, if encoding is | 46 file regardless of the current seek position). In text mode, if encoding is |
| 47 not specified the encoding used is platform dependent. (For reading and | 47 not specified the encoding used is platform dependent. (For reading and |
| 48 writing raw bytes use binary mode and leave encoding unspecified.) The | 48 writing raw bytes use binary mode and leave encoding unspecified.) The |
| 49 available modes are: | 49 available modes are: |
| 50 | 50 |
| 51 ========= =============================================================== | 51 ========= =============================================================== |
| 52 Character Meaning | 52 Character Meaning |
| 53 --------- --------------------------------------------------------------- | 53 --------- --------------------------------------------------------------- |
| 54 'r' open for reading (default) | 54 'r' open for reading (default) |
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| 2065 def errors(self): | 2065 def errors(self): |
| 2066 return None | 2066 return None |
| 2067 | 2067 |
| 2068 @property | 2068 @property |
| 2069 def encoding(self): | 2069 def encoding(self): |
| 2070 return None | 2070 return None |
| 2071 | 2071 |
| 2072 def detach(self): | 2072 def detach(self): |
| 2073 # This doesn't make sense on StringIO. | 2073 # This doesn't make sense on StringIO. |
| 2074 self._unsupported("detach") | 2074 self._unsupported("detach") |
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