[issue30468] Propagate zipfile.py pypy issue #905 patch to CPython 3.7

[Shubha Ramani]

New submission from Shubha Ramani:

PyPy had a longstanding issue :
ZipFile.extractall is very slow compared to CPython 2.6

https://bitbucket.org/pypy/pypy/issues/905/zipfileextractall-is-very-slow-compared-to

which has been fixed in the PyPy code base. The changes were entirely in zipfile.py (see the attached patch for PyPy)

The patch fixed a significant performance bottleneck in PyPy.

----------
files: issue905.diff
keywords: patch
messages: 294413
nosy: shubhar
priority: normal
severity: normal
status: open
title: Propagate zipfile.py pypy issue #905 patch to CPython 3.7
type: performance
versions: Python 3.7
Added file: http://bugs.python.org/file46899/issue905.diff

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