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2to3 fails to parse async generators in non-async functions #77530

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zsol opened this issue Apr 24, 2018 · 2 comments
Closed

2to3 fails to parse async generators in non-async functions #77530

zsol opened this issue Apr 24, 2018 · 2 comments
Labels
3.9 only security fixes 3.10 only security fixes 3.11 only security fixes topic-2to3 type-bug An unexpected behavior, bug, or error

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@zsol
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zsol commented Apr 24, 2018

BPO 33349
Nosy @benjaminp, @ambv, @1st1, @miss-islington, @zsol
PRs
  • bpo-33349: make lib2to3 parse async generators everywhere #6588
  • [3.10] bpo-33349: make lib2to3 parse async generators everywhere (GH-6588) #27702
  • [3.9] bpo-33349: make lib2to3 parse async generators everywhere (GH-6588) #27703
    		•

    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 2021-08-10.14:55:29.348>
created_at = <Date 2018-04-24.13:02:45.935>
labels = ['type-bug', 'expert-2to3', '3.9', '3.10', '3.11']
title = '2to3 fails to parse async generators in non-async functions'
updated_at = <Date 2021-08-10.14:55:29.347>
user = 'https://github.com/zsol'

    bugs.python.org fields:

    activity = <Date 2021-08-10.14:55:29.347>
actor = 'lukasz.langa'
assignee = 'none'
closed = True
closed_date = <Date 2021-08-10.14:55:29.348>
closer = 'lukasz.langa'
components = ['2to3 (2.x to 3.x conversion tool)']
creation = <Date 2018-04-24.13:02:45.935>
creator = 'zsol'
dependencies = []
files = []
hgrepos = []
issue_num = 33349
keywords = ['patch']
message_count = 2.0
messages = ['315700', '399333']
nosy_count = 5.0
nosy_names = ['benjamin.peterson', 'lukasz.langa', 'yselivanov', 'miss-islington', 'zsol']
pr_nums = ['6588', '27702', '27703']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33349'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
    @zsol
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    zsol commented Apr 24, 2018

    This is valid since python3.7:

    def f():
    return (i * 2 async for i in arange(42))

    but lib2to3 doesn't parse this properly, because async is tokenized as a NAME instead of ASYNC

    @zsol zsol added 3.7 (EOL) end of life 3.8 only security fixes topic-2to3 type-bug An unexpected behavior, bug, or error labels Apr 24, 2018
    @ambv ambv added 3.9 only security fixes 3.10 only security fixes 3.11 only security fixes and removed 3.7 (EOL) end of life 3.8 only security fixes labels Aug 10, 2021
    @ambv
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    ambv commented Aug 10, 2021

    Thanks, Zsolt! ✨ 🍰 ✨

    @ambv ambv closed this as completed Aug 10, 2021
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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