Serhiy Storchaka added the comment:
Actually it should be:
# Using zlib's interface
while not d.eof:
output = d.decompress(d.unconsumed_tail, 8192)
while not output and not d.eof:
compressed = f.read(8192)
if not compressed:
raise ValueError('End-of-stream marker not found')
output = d.decompress(d.unconsumed_tail + compressed, 8192)
# <process output>
Note that you should use d.unconsumed_tail + compressed as input, and therefore
do an unnecessary copy of the data.
Without explicit unconsumed_tail you can write input data in the internal
mutable buffer, it will be more effective for large buffer (handreds of KB) and
small input chunks (several KB).
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue15955>
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