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Title: bpo-23403: [lib2to3] Make grammar pickling faster by ambv · Pull Request #6491 · python/cpython · GitHub

Open Graph Title: bpo-23403: [lib2to3] Make grammar pickling faster by ambv · Pull Request #6491 · python/cpython

X Title: bpo-23403: [lib2to3] Make grammar pickling faster by ambv · Pull Request #6491 · python/cpython

Description: Now uses pickle protocol 4 Doesn't wrap the grammar's __dict__ in ordered dictionaries anymore as dictionaries in Python 3.6+ are ordered by default This still produces deterministic pickles (that hash the same with MD5). Tested with different PYTHONHASHSEED values. https://bugs.python.org/issue23403

Open Graph Description: Now uses pickle protocol 4 Doesn't wrap the grammar's __dict__ in ordered dictionaries anymore as dictionaries in Python 3.6+ are ordered by default This still produces deterministic pi...

X Description: Now uses pickle protocol 4 Doesn't wrap the grammar's __dict__ in ordered dictionaries anymore as dictionaries in Python 3.6+ are ordered by default This still produces determin...

Opengraph URL: https://github.com/python/cpython/pull/6491

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6a89c80 [lib2to3] Make grammar pickling faster ambv Apr 16, 2018 https://github.com/python/cpython/pull/6491/commits/6a89c804b4a1c39223d29ec43cedda4449ae3abc
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