New submission from Erick Tryzelaar <[email protected]>:
I noticed that io.StringIO is inconsistent with open on how newlines are
handled. The default approach open uses is universal newlines:
>>> with open('foo', 'w') as f:
... f.write('hello hi\r\nla la\r\n')
...
17
>>> open('foo').readlines()
['hello hi\n', 'la la\n']
io.StringIO, however, defaults to just treating \n as newlines:
>>> io.StringIO('hello hi\r\nla la \r\n').readlines()
['hello hi\r\n', 'la la \r\n']
The attached patch changes this so that if the newline keyword isn't
specified, then StringIO will act just like open with respect to
keywords. It will then produce this:
>>> io.StringIO('hello hi\r\nla la \r\n').readlines()
['hello hi\n', 'la la \n']
----------
components: Library (Lib)
files: 0001-Make-StringIO-consistent-with-open-wrt-newlines.patch
keywords: patch
message_count: 1.0
messages: 83341
nosy: erickt
nosy_count: 1.0
severity: normal
status: open
title: patch to make io.StringIO consistent with open with respect to newlines
type: behavior
versions: Python 3.1
Added file:
http://bugs.python.org/file13276/0001-Make-StringIO-consistent-with-open-wrt-newlines.patch
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<http://bugs.python.org/issue5451>
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