Serhiy Storchaka added the comment:
Updated patch addresses Antoine's comments. Also added few comments explaining
binary data.
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Added file: http://bugs.python.org/file37470/pickle_newobj_2.patch
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Python tracker rep...@bugs.python.org
Roundup Robot added the comment:
New changeset 2ffaac4c8e53 by Serhiy Storchaka in branch 'default':
Issue #22783: Pickling now uses the NEWOBJ opcode instead of the NEWOBJ_EX
https://hg.python.org/cpython/rev/2ffaac4c8e53
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nosy: +python-dev
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Changes by Serhiy Storchaka storch...@gmail.com:
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assignee: - serhiy.storchaka
resolution: - fixed
stage: patch review - resolved
status: open - closed
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue22783
Serhiy Storchaka added the comment:
Ping.
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keywords: +needs review
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http://bugs.python.org/issue22783
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Serhiy Storchaka added the comment:
Some examples (with issue19858 for protocol 4 optimization).
Unpatched:
len(pickle.dumps([P(12, 34) for i in range(1000)], 3))
17258
len(pickletools.optimize(pickle.dumps([P(12, 34) for i in range(1000)], 3)))
8018
len(pickle.dumps([P(i, -i) for i in
New submission from Serhiy Storchaka:
Currently in pickle with protocol 4 the NEWOBJ_EX opcode is used to reconstruct
objects with __getnewargs__() or __getnewargs_ex__() even if there no keyword
arguments.
import pickle, pickletools, collections
P = collections.namedtuple('P', 'x y')
