[issue18430] gzip, bz2, lzma: peek advances file position of existing file object

[Madison May]

Madison May added the comment:

Why would something like the following work?

#At the beginning of peek()
#keep track of prior offset
position = self.fileobj.tell()

#immediately before return statement
#restore previous fileobj offset
self.fileobj.seek(position)

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nosy: +madison.may

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18430>
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