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Implement typing.assert_type #90638

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JelleZijlstra opened this issue Jan 23, 2022 · 3 comments
Closed

Implement typing.assert_type #90638

JelleZijlstra opened this issue Jan 23, 2022 · 3 comments
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@JelleZijlstra
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3.11 only security fixes stdlib Python modules in the Lib dir type-feature A feature request or enhancement

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@JelleZijlstra
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BPO 46480
Nosy @gvanrossum, @JelleZijlstra, @hauntsaninja, @sobolevn, @Fidget-Spinner, @AlexWaygood
PRs
  • bpo-46480: add typing.assert_type #30843
  • bpo-46480: rephrase typing.assert_type docs #32069
    		•

    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 2022-03-17.03:04:56.930>
created_at = <Date 2022-01-23.05:19:12.643>
labels = ['type-feature', 'library', '3.11']
title = 'Implement typing.assert_type'
updated_at = <Date 2022-03-24.02:15:13.459>
user = 'https://github.com/JelleZijlstra'

    bugs.python.org fields:

    activity = <Date 2022-03-24.02:15:13.459>
actor = 'JelleZijlstra'
assignee = 'JelleZijlstra'
closed = True
closed_date = <Date 2022-03-17.03:04:56.930>
closer = 'JelleZijlstra'
components = ['Library (Lib)']
creation = <Date 2022-01-23.05:19:12.643>
creator = 'JelleZijlstra'
dependencies = []
files = []
hgrepos = []
issue_num = 46480
keywords = ['patch']
message_count = 3.0
messages = ['411345', '415385', '415921']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'JelleZijlstra', 'hauntsaninja', 'sobolevn', 'kj', 'AlexWaygood']
pr_nums = ['30843', '32069']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue46480'
versions = ['Python 3.11']
    @JelleZijlstra
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    Implement typing.assert_type as proposed in https://mail.python.org/archives/list/typing-sig@python.org/thread/MITFQ6Z45RRMXY3HNM66IC3XXS3TA3JN/. This is a special primitive that asserts to the type checker what the type of an expression is.

    Tentatively dropping assert_error() based on Eric's feedback.

    @JelleZijlstra JelleZijlstra added the 3.11 only security fixes label Jan 23, 2022
    @JelleZijlstra JelleZijlstra self-assigned this Jan 23, 2022
    @JelleZijlstra JelleZijlstra added 3.11 only security fixes stdlib Python modules in the Lib dir labels Jan 23, 2022
    @JelleZijlstra JelleZijlstra self-assigned this Jan 23, 2022
    @JelleZijlstra JelleZijlstra added type-feature A feature request or enhancement stdlib Python modules in the Lib dir labels Jan 23, 2022
    @JelleZijlstra
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    New changeset 96568e9 by Jelle Zijlstra in branch 'main':
    bpo-46480: add typing.assert_type (GH-30843)
    96568e9

    @JelleZijlstra
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    New changeset 3354245 by Shantanu in branch 'main':
    bpo-46480: rephrase typing.assert_type docs (GH-32069)
    3354245

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