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#691291: codecs.open() should not convert end of lines on reading and writing.

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This commit is contained in:
Florent Xicluna 2010-02-26 10:40:58 +00:00
parent c994186dad
commit f4b6186d9c
2 changed files with 24 additions and 4 deletions
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13
Lib/codecs.py
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@ -858,10 +858,15 @@ def open(filename, mode='rb', encoding=None, errors='strict', buffering=1):
parameter.
"""
if encoding is not None and \
'b' not in mode:
# Force opening of the file in binary mode
mode = mode + 'b'
if encoding is not None:
if 'U' in mode:
# No automatic conversion of '\n' is done on reading and writing
mode = mode.strip().replace('U', '')
if mode[:1] not in set('rwa'):
mode = 'r' + mode
if 'b' not in mode:
# Force opening of the file in binary mode
mode = mode + 'b'
file = __builtin__.open(filename, mode, buffering)
if encoding is None:
return file