STINNER Victor <victor.stin...@haypocalc.com> added the comment:
There is a similar bug for append mode:
import codecs
_open = codecs.open
#_open = open
filename = "test"
with _open(filename, 'w', encoding='utf_16') as f:
f.write('abc')
with _open(filename, 'a', encoding='utf_16') as f:
f.write('def')
with _open(filename, 'r', encoding='utf_16') as f:
content = f.read()
assert content == 'abcdef', ascii(content)
This bug has also been fixed by the issue #5006 in the io module.
----------
title: codecs: StreamWriter issue with stateful codecs after a seek -> codecs:
StreamWriter issues with stateful codecs after a seek or with append mode
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12512>
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