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Statically allocated Unicode objects leak cached representations #91240
Description
| BPO | 47084 |
|---|---|
| Nosy | @vstinner, @jkloth, @ezio-melotti |
| PRs |
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 2022-03-22.12:54:36.045>
created_at = <Date 2022-03-21.18:37:52.463>
labels = ['interpreter-core', 'expert-unicode', '3.11']
title = 'Statically allocated Unicode objects leak cached representations'
updated_at = <Date 2022-03-22.12:54:36.044>
user = 'https://github.com/jkloth'bugs.python.org fields:
activity = <Date 2022-03-22.12:54:36.044>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2022-03-22.12:54:36.045>
closer = 'vstinner'
components = ['Interpreter Core', 'Unicode']
creation = <Date 2022-03-21.18:37:52.463>
creator = 'jkloth'
dependencies = []
files = []
hgrepos = []
issue_num = 47084
keywords = ['patch']
message_count = 3.0
messages = ['415695', '415763', '415764']
nosy_count = 3.0
nosy_names = ['vstinner', 'jkloth', 'ezio.melotti']
pr_nums = ['32032']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue47084'
versions = ['Python 3.11']
Activity
jkloth commentedon Mar 21, 2022
The newly implemented statically allocated Unicode objects do not clear their cached representations (wstr and utf-8) at exit causing leaked blocks at exit (see also bpo-46857).
At issue are the Unicode objects created by deepfreeze and the 1-character strings (ordinals < 256).
vstinner commentedon Mar 22, 2022
New changeset 88872a2 by Jeremy Kloth in branch 'main':
bpo-47084: Clear Unicode cached representations on finalization (GH-32032)
88872a2
vstinner commentedon Mar 22, 2022
Good job to discover this single leaking memory allocation!!!