New submission from Ryan McGuire <python....@enigmacurry.com>:
Opening a UTF-8 encoded file with unix newlines ("\n") on Win32:
codecs.open("whatever.txt","r","utf-8").read()
replaces the newlines ("\n") with CR+LF ("\r\n").
The docs specifically say that :
"Files are always opened in binary mode, even if no binary mode was
specified. This is done to avoid data loss due to encodings using 8-bit
values. This means that no automatic conversion of '\n' is done on
reading and writing."
And yet, opening the file with an explicit binary mode resolves the
situation:
codecs.open("whatever.txt","rb","utf-8").read()
This reads the file with the original newlines unmodified.
The implementation of codecs.open and the documentation are out of sync.
----------
assignee: georg.brandl
components: Documentation, Library (Lib)
messages: 91995
nosy: EnigmaCurry, georg.brandl
severity: normal
status: open
title: codecs.open on Win32 does not force binary mode
type: behavior
versions: Python 2.6, Python 3.1
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue6788>
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