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Add PEP 613 typing.TypeAlias to the standard library #86089

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mikhailgolubev mannequin opened this issue Oct 3, 2020 · 3 comments
Closed

Add PEP 613 typing.TypeAlias to the standard library #86089

mikhailgolubev mannequin opened this issue Oct 3, 2020 · 3 comments
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3.10 stdlib type-feature

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@mikhailgolubev
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@mikhailgolubev mikhailgolubev mannequin commented Oct 3, 2020

BPO 41923
Nosy @gvanrossum, @ilevkivskyi, @east825
PRs
  • #22532
  • 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 = <Date 2020-10-07.22:28:42.721>
    created_at = <Date 2020-10-03.16:16:30.022>
    labels = ['type-feature', 'library', '3.10']
    title = 'Add PEP 613 typing.TypeAlias to the standard library'
    updated_at = <Date 2020-10-07.22:28:42.721>
    user = 'https://bugs.python.org/mikhailgolubev'

    bugs.python.org fields:

    activity = <Date 2020-10-07.22:28:42.721>
    actor = 'gvanrossum'
    assignee = 'none'
    closed = True
    closed_date = <Date 2020-10-07.22:28:42.721>
    closer = 'gvanrossum'
    components = ['Library (Lib)']
    creation = <Date 2020-10-03.16:16:30.022>
    creator = 'mikhail.golubev'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 41923
    keywords = ['patch']
    message_count = 3.0
    messages = ['377890', '377899', '378185']
    nosy_count = 4.0
    nosy_names = ['gvanrossum', 'levkivskyi', 'east825', 'mikhail.golubev']
    pr_nums = ['22532']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue41923'
    versions = ['Python 3.10']

    @mikhailgolubev
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    @mikhailgolubev mikhailgolubev mannequin commented Oct 3, 2020

    TypeAlias is already included in typing_extensions package, making it available for pre-3.10 versions of Python. I'd like port this implementation to the upstream version of typing.

    @mikhailgolubev mikhailgolubev mannequin added 3.10 stdlib type-feature labels Oct 3, 2020
    @gvanrossum
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    @gvanrossum gvanrossum commented Oct 3, 2020

    Sure go right ahead.

    @gvanrossum
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    @gvanrossum gvanrossum commented Oct 7, 2020

    New changeset 4f3c250 by Mikhail Golubev in branch 'master':
    bpo-41923: PEP-613: Add TypeAlias to typing module (bpo-22532)
    4f3c250

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