[issue23096] Implementation-depended pickling floats with protocol 0
Changes by Serhiy Storchaka storch...@gmail.com: -- assignee: - serhiy.storchaka ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Changes by Serhiy Storchaka storch...@gmail.com: -- resolution: - fixed stage: patch review - resolved status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Roundup Robot added the comment: New changeset 8c9121993eb5 by Serhiy Storchaka in branch 'default': Issue #23096: Pickle representation of floats with protocol 0 now is the same https://hg.python.org/cpython/rev/8c9121993eb5 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Serhiy Storchaka added the comment: Here is a patch. -- keywords: +patch stage: - patch review versions: -Python 2.7, Python 3.4 Added file: http://bugs.python.org/file38039/pickle_float_repr.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Alexandre Vassalotti added the comment: The repr for floats was changed some time ago to use a shorter decimal strings when possible. Both representations should yield the same float value once decoded. If we want to make the C and Python implementations of pickle consistent, then we should pick on what the Python version does currently: i.e., call repr on the float. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Antoine Pitrou added the comment: This looks less like a bug than an enhancement request. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
New submission from Serhiy Storchaka: Python and C implementations of pickle produce different results when pickle floats with protocol 0. pickle.dumps(4.2, 0) b'F4.2002\n.' pickle._dumps(4.2, 0) b'F4.2\n.' -- components: Library (Lib) messages: 232992 nosy: alexandre.vassalotti, pitrou, serhiy.storchaka priority: normal severity: normal status: open title: Implementation-depended pickling floats with protocol 0 type: behavior versions: Python 2.7, Python 3.4, Python 3.5 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue23096] Implementation-depended pickling floats with protocol 0
Serhiy Storchaka added the comment: Python implementation uses repr(value) and C implementation uses '%.17g' % value. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue23096 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
