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Make ParamSpec.args/kwargs more useful objects #87949

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JelleZijlstra opened this issue Apr 9, 2021 · 2 comments
Closed

Make ParamSpec.args/kwargs more useful objects #87949

JelleZijlstra opened this issue Apr 9, 2021 · 2 comments
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@JelleZijlstra
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3.10 only security fixes stdlib Python modules in the Lib dir

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@JelleZijlstra
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BPO 43783
Nosy @gvanrossum, @ilevkivskyi, @JelleZijlstra, @Fidget-Spinner
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  • bpo-43783: add ParamSpecArgs/Kwargs #25298
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    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = 'https://github.com/JelleZijlstra'
closed_at = <Date 2021-04-11.02:57:21.727>
created_at = <Date 2021-04-09.02:06:06.482>
labels = ['library', '3.10']
title = 'Make ParamSpec.args/kwargs more useful objects'
updated_at = <Date 2021-04-11.02:57:21.726>
user = 'https://github.com/JelleZijlstra'

    bugs.python.org fields:

    activity = <Date 2021-04-11.02:57:21.726>
actor = 'gvanrossum'
assignee = 'JelleZijlstra'
closed = True
closed_date = <Date 2021-04-11.02:57:21.727>
closer = 'gvanrossum'
components = ['Library (Lib)']
creation = <Date 2021-04-09.02:06:06.482>
creator = 'JelleZijlstra'
dependencies = []
files = []
hgrepos = []
issue_num = 43783
keywords = ['patch']
message_count = 2.0
messages = ['390583', '390763']
nosy_count = 4.0
nosy_names = ['gvanrossum', 'levkivskyi', 'JelleZijlstra', 'kj']
pr_nums = ['25298']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue43783'
versions = ['Python 3.10']
    @JelleZijlstra
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    Currently, typing.ParamSpec.args and ParamSpec.kwargs are just object() instances, which makes them useless for runtime inspection of __annotations__. This type was introduced by PEP-612.

    Instead, I propose to make them return some special helper object with __origin__ set to the underlying ParamSpec object. I'll work on a PR soon.

    @JelleZijlstra JelleZijlstra added 3.10 only security fixes stdlib Python modules in the Lib dir labels Apr 9, 2021
    @JelleZijlstra JelleZijlstra self-assigned this Apr 9, 2021
    @gvanrossum
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    New changeset 5224336 by Jelle Zijlstra in branch 'master':
    bpo-43783: Add ParamSpecArgs/Kwargs (GH-25298)
    5224336

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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    @JelleZijlstra @gvanrossum