[issue5677] Serious interpreter crash and/or arbitrary memory leak using .read() on writable file

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Oh and the following line shouldn't be needed:

data = b'xxx' if 'b' in mode else u'xxx'

Since old-style file objects always take bytestrings (it's harmless, though, because the unicode string will be implicitly converted).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5677>
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