Description

assignee = None
closed_at = None
created_at = <Date 2019-01-17.12:34:49.495>
labels = ['3.8', 'type-feature', 'library']
title = 'inspect module does not implement introspection API for asynchronous generators'
updated_at = <Date 2019-01-17.14:15:35.489>
user = 'https://github.com/tkren'

activity = <Date 2019-01-17.14:15:35.489>
actor = 'xtreak'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-01-17.12:34:49.495>
creator = 'tkren'
dependencies = []
files = ['48066']
hgrepos = []
issue_num = 35759
keywords = ['patch']
message_count = 2.0
messages = ['333861', '333870']
nosy_count = 4.0
nosy_names = ['ncoghlan', 'yselivanov', 'xtreak', 'tkren']
pr_nums = ['11590', '11590']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue35759'
versions = ['Python 3.8']

Activity

1. tkren commented on Jan 17, 2019

   

   tkrenmannequin

   on Jan 17, 2019

   MannequinAuthor

   More actions

   The inspect module does not contain functions for determining the current state of asynchronous generators. That is, there is no introspection API for asynchronous generators that match the API for generators and coroutines: https://docs.python.org/3.8/library/inspect.html#current-state-of-generators-and-coroutines.

   I propose to add inspect.getasyncgenstate and inspect.getasyncgenlocals (following inspect.isasyncgenfunction and inspect.isasyncgen).

   % ./python
   Python 3.8.0a0 (heads/fix-issue-getasyncgenstate:a24deae1e2, Jan 17 2019, 11:44:45) 
   [GCC 6.3.0 20170516] on linux
   Type "help", "copyright", "credits" or "license" for more information.
   >>> import inspect
   >>> async def agen():
   ...     x = 1
   ...     yield x
   ...     x += 1
   ...     yield x
   ... 
   >>> ag = agen()
   >>> inspect.getasyncgenstate(ag)
   'AGEN_CREATED'
   >>> inspect.getasyncgenlocals(ag)
   {}
   >>> ag.__anext__().__next__()
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
   StopIteration: 1
   >>> inspect.getasyncgenstate(ag)
   'AGEN_SUSPENDED'
   >>> inspect.getasyncgenlocals(ag)
   {'x': 1}
   >>> ag.__anext__().__next__()
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
   StopIteration: 2
   >>> inspect.getasyncgenstate(ag)
   'AGEN_SUSPENDED'
   >>> inspect.getasyncgenlocals(ag)
   {'x': 2}
   >>> ag.aclose().send(None)
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
   StopIteration
   >>> inspect.getasyncgenstate(ag)
   'AGEN_CLOSED'
   >>> inspect.getasyncgenlocals(ag)
   {}
2. tkren

   added

   3.8 (EOL)end of lifeend of life

   stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

   type-featureA feature request or enhancementA feature request or enhancement

   on Jan 17, 2019
3. tirkarthi commented on Jan 17, 2019

   

   tirkarthi

   on Jan 17, 2019

   Member

   More actions

   see also msg300475
4. ezio-melotti

   transferred this issue fromon Apr 10, 2022
5. kumaraditya303

   added

   3.12only security fixesonly security fixes

   and removed

   3.8 (EOL)end of lifeend of life

   on Mar 5, 2023
6. kumaraditya303

   self-assigned this

   on Mar 5, 2023
7. kumaraditya303

   added

   topic-asyncio

   on Mar 5, 2023
8. kumaraditya303

   removed their assignment

   on Mar 5, 2023
9. ezio-melotti

   added this to asyncioon Mar 5, 2023
10. github-project-automation

    moved this to Todo in asyncioon Mar 5, 2023
11. kumaraditya303 commented on Mar 5, 2023

    

    kumaraditya303

    on Mar 5, 2023

    Contributor

    More actions

    I needed this today and was surprised that it wasn't implemented. I'll review the PR.

    Reacted by Thomas Krennwallner
12. kumaraditya303

    added a commit that references this issue on Mar 11, 2023

    gh-79940: add introspection API for asynchronous generators to `inspe…

    ced13c9
13. kumaraditya303

    closed this as completedon Mar 11, 2023
14. github-project-automation

    moved this from Todo to Done in asyncioon Mar 11, 2023
15. miss-islington

    added a commit that references this issue on Mar 11, 2023

    gh-79940: skip `TestGetAsyncGenState` on wasm as it requires working …

    534660f
16. iritkatriel

    added 2 commits that reference this issue on Mar 12, 2023

    pythongh-79940: add introspection API for asynchronous generators to …

    f9250e4

    pythongh-79940: skip `TestGetAsyncGenState` on wasm as it requires wo…

    45cc601

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