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Avoid circular references in asyncio streams #78819

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asvetlov opened this issue Sep 11, 2018 · 2 comments
Closed

Avoid circular references in asyncio streams #78819

asvetlov opened this issue Sep 11, 2018 · 2 comments
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3.8 only security fixes topic-asyncio

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@asvetlov
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BPO 34638
Nosy @asvetlov, @1st1
PRs
  • bpo-34638: Store a weak reference to stream reader to break strong references loop #9201
    		•

    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 2018-09-12.18:43:38.924>
created_at = <Date 2018-09-11.23:47:26.205>
labels = ['3.8', 'expert-asyncio']
title = 'Avoid circular references in asyncio streams'
updated_at = <Date 2018-09-12.18:43:38.923>
user = 'https://github.com/asvetlov'

    bugs.python.org fields:

    activity = <Date 2018-09-12.18:43:38.923>
actor = 'asvetlov'
assignee = 'none'
closed = True
closed_date = <Date 2018-09-12.18:43:38.924>
closer = 'asvetlov'
components = ['asyncio']
creation = <Date 2018-09-11.23:47:26.205>
creator = 'asvetlov'
dependencies = []
files = []
hgrepos = []
issue_num = 34638
keywords = ['patch']
message_count = 2.0
messages = ['325095', '325164']
nosy_count = 2.0
nosy_names = ['asvetlov', 'yselivanov']
pr_nums = ['9201']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue34638'
versions = ['Python 3.8']
    @asvetlov
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    Now we have a cross-reference between asyncio stream reader and protocol.

    It prevents objects deletion on ref-counting and requires a garbage collector run to destroy the stream.

    @asvetlov asvetlov added 3.8 only security fixes topic-asyncio labels Sep 11, 2018
    @asvetlov
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    New changeset a5d1eb8 by Andrew Svetlov in branch 'master':
    bpo-34638: Store a weak reference to stream reader to break strong references loop (GH-9201)
    a5d1eb8

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
    @CendioOssman CendioOssman mentioned this issue Oct 31, 2023
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