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Implement PEP 655 (Required/NotRequired) #91243

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JelleZijlstra opened this issue Mar 21, 2022 · 6 comments
Closed

Implement PEP 655 (Required/NotRequired) #91243

JelleZijlstra opened this issue Mar 21, 2022 · 6 comments
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3.11 only security fixes stdlib Python modules in the Lib dir topic-typing type-feature A feature request or enhancement

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@JelleZijlstra
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BPO 47087
Nosy @gvanrossum, @davidfstr, @JelleZijlstra, @Fidget-Spinner, @AlexWaygood
PRs
  • gh-91243: Add typing.Required and NotRequired (PEP 655) #32419
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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 = None
closed_at = None
created_at = <Date 2022-03-21.21:18:31.184>
labels = ['type-feature', 'library', '3.11']
title = 'Implement PEP 655 (Required/NotRequired)'
updated_at = <Date 2022-04-08.16:10:23.222>
user = 'https://github.com/JelleZijlstra'

    bugs.python.org fields:

    activity = <Date 2022-04-08.16:10:23.222>
actor = 'JelleZijlstra'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-03-21.21:18:31.184>
creator = 'JelleZijlstra'
dependencies = []
files = []
hgrepos = []
issue_num = 47087
keywords = ['patch']
message_count = 1.0
messages = ['415704']
nosy_count = 5.0
nosy_names = ['gvanrossum', 'David Foster', 'JelleZijlstra', 'kj', 'AlexWaygood']
pr_nums = ['32419']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue47087'
versions = ['Python 3.11']
    @JelleZijlstra
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    PEP-655 was just accepted, so we should implement it in typing.py! We should be able to largely reuse the typing-extensions implementation.

    (I can't find David Foster on BPO but I'll point him to this issue.)

    @JelleZijlstra JelleZijlstra added 3.11 only security fixes stdlib Python modules in the Lib dir type-feature A feature request or enhancement labels Mar 21, 2022
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
    JelleZijlstra added a commit that referenced this issue Apr 12, 2022
    @JelleZijlstra @davidfstr
    gh-91243: Add typing.Required and NotRequired (PEP 655) (GH-32419)
    ac6c3de 
    I talked to @davidfstr and I offered to implement the runtime part of PEP 655
to make sure we can get it in before the feature freeze. We're going to defer
the documentation to a separate PR, because it can wait until after the feature
freeze.

The runtime implementation conveniently already exists in typing-extensions,
so I largely copied that.

Co-authored-by: David Foster <david@dafoster.net>
    @JelleZijlstra
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    I just merged #32419 to provide the runtime implementation. We still need documentation.

    JelleZijlstra pushed a commit that referenced this issue Apr 13, 2022
    @davidfstr
    gh-91243: Update authors for Required[] and NotRequired[] implementat…
    dfbc792 
    …ion (GH-91506)
    @Dutcho Dutcho mentioned this issue Apr 20, 2022
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    @davidfstr
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    (I'm planning to pick up the documentation piece here within the next 2 weeks)

    @davidfstr
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    (I'm currently drafting typing module documentation related to Required and NotRequired. Should have first draft ready for review sometime this week.)

    davidfstr added a commit to davidfstr/cpython that referenced this issue May 24, 2022
    @davidfstr
    pythongh-91243: Document Required and NotRequired
    a2d8071
    JelleZijlstra pushed a commit that referenced this issue May 27, 2022
    @davidfstr @AlexWaygood
    gh-91243: Document Required and NotRequired (#93173)
    711eda7 
    Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
    miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 27, 2022
    @davidfstr @miss-islington
    pythongh-91243: Document Required and NotRequired (pythonGH-93173)
    1ba137c 
    Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
(cherry picked from commit 711eda7)

Co-authored-by: David Foster <david@dafoster.net>
    miss-islington added a commit that referenced this issue May 27, 2022
    @miss-islington @davidfstr
    gh-91243: Document Required and NotRequired (GH-93173)
    3f7abff 
    Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
(cherry picked from commit 711eda7)

Co-authored-by: David Foster <david@dafoster.net>
    @davidfstr
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    Runtime implementation and documentation for Required/NotRequired is complete. 🎉

    I believe this issue can be closed.

    @AlexWaygood
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    @davidfstr congratulations!

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