[issue20726] inspect: Make Signature instances picklable

[Roundup Robot]

Roundup Robot added the comment:

New changeset f2bae047f6d0 by Yury Selivanov in branch 'default':
inspect.docs: Document that Signature and Parameter are now picklable (issue 
#20726)
http://hg.python.org/cpython/rev/f2bae047f6d0

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[issue20726] inspect: Make Signature instances picklable

[Roundup Robot]

Roundup Robot added the comment:

New changeset 0a8e3c910c0a by Yury Selivanov in branch 'default':
inspect.signature: Make Signature and Parameter picklable. Closes #20726
http://hg.python.org/cpython/rev/0a8e3c910c0a

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nosy: +python-dev
resolution:  - fixed
stage:  - committed/rejected
status: open - closed

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[issue20726] inspect: Make Signature instances picklable

[STINNER Victor]

STINNER Victor added the comment:

Why not backporting this change to Python 3.4? Would it break something?

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[issue20726] inspect: Make Signature instances picklable

[Antoine Pitrou]

Antoine Pitrou added the comment:

Picklability is more of a new feature than a bugfix.

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[issue20726] inspect: Make Signature instances picklable

[Yury Selivanov]

Changes by Yury Selivanov yselivanov...@gmail.com:


Added file: http://bugs.python.org/file34217/sig_picklable_03.patch

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[issue20726] inspect: Make Signature instances picklable

[Antoine Pitrou]

Antoine Pitrou added the comment:

For extra points, you could test with all protocol versions (from 0 to 
HIGHEST_PROTOCOL).

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[issue20726] inspect: Make Signature instances picklable

[Yury Selivanov]

Yury Selivanov added the comment:

 For extra points, you could test with all protocol versions (from 0 to 
 HIGHEST_PROTOCOL).

Good idea, see the second patch.

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Added file: http://bugs.python.org/file34186/sig_picklable_02.patch

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[issue20726] inspect: Make Signature instances picklable

[Yury Selivanov]

New submission from Yury Selivanov:

There is no reason for Signature objects to be not picklable.
Patch is attached (it will require merging #19573 before).

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assignee: yselivanov
files: sig_picklable_01.patch
keywords: patch
messages: 211903
nosy: larry, ncoghlan, yselivanov
priority: normal
severity: normal
status: open
title: inspect: Make Signature instances picklable
type: enhancement
versions: Python 3.5
Added file: http://bugs.python.org/file34179/sig_picklable_01.patch

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