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Add contextlib.AbstractAsyncContextManager #74427

JelleZijlstra opened this issue May 3, 2017 · 2 comments

Add contextlib.AbstractAsyncContextManager #74427

JelleZijlstra opened this issue May 3, 2017 · 2 comments
3.7 stdlib type-feature


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@JelleZijlstra JelleZijlstra commented May 3, 2017

BPO 30241
Nosy @ncoghlan, @1st1, @ilevkivskyi, @JelleZijlstra
  • #1412
  • 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 2017-12-14.01:20:16.403>
    created_at = <Date 2017-05-03.04:12:21.312>
    labels = ['3.7', 'type-feature', 'library']
    title = 'Add contextlib.AbstractAsyncContextManager'
    updated_at = <Date 2017-12-14.01:20:16.402>
    user = '' fields:

    activity = <Date 2017-12-14.01:20:16.402>
    actor = 'yselivanov'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-12-14.01:20:16.403>
    closer = 'yselivanov'
    components = ['Library (Lib)']
    creation = <Date 2017-05-03.04:12:21.312>
    creator = 'JelleZijlstra'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 30241
    keywords = []
    message_count = 2.0
    messages = ['292835', '308270']
    nosy_count = 4.0
    nosy_names = ['ncoghlan', 'yselivanov', 'levkivskyi', 'JelleZijlstra']
    pr_nums = ['1412']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'enhancement'
    url = ''
    versions = ['Python 3.7']

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    @JelleZijlstra JelleZijlstra commented May 3, 2017

    It would be useful to have an abstract base class for asynchronous context managers, similar to the existing contextlib.AbstractContextManager. We can then also add this class to typing and use it as a PEP-544 Protocol.

    I have code ready for contextlib.AbstractAsyncContextManager and will submit the PR shortly. I'll also add support in typing and typeshed if the CPython change is accepted.

    @JelleZijlstra JelleZijlstra added 3.7 stdlib type-feature labels May 3, 2017
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    @1st1 1st1 commented Dec 14, 2017

    New changeset 176baa3 by Yury Selivanov (Jelle Zijlstra) in branch 'master':
    bpo-30241: implement contextlib.AbstractAsyncContextManager (bpo-1412)

    @1st1 1st1 closed this as completed Dec 14, 2017
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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    3.7 stdlib type-feature
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