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citadel/poky/meta/recipes-devtools/python/python3/Fix-29519-weakref-spewing-exceptions-during-interp-f.patch

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From 62dcf34987b680e95873eb947b3f4d802199c667 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Fri, 10 Feb 2017 00:14:55 -0800
Subject: [PATCH] Fix #29519: weakref spewing exceptions during interp
finalization
commit 9cd7e17640a49635d1c1f8c2989578a8fc2c1de6
from https://github.com/python/cpython
Upstream-Status: Backport
Signed-off-by: Lukasz Langa <lukasz@langa.pl>
---
Lib/weakref.py | 4 ++--
Misc/NEWS | 3 +++
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/Lib/weakref.py b/Lib/weakref.py
index aaebd0c..787e33a 100644
--- a/Lib/weakref.py
+++ b/Lib/weakref.py
@@ -106,7 +106,7 @@ class WeakValueDictionary(collections.MutableMapping):
self, *args = args
if len(args) > 1:
raise TypeError('expected at most 1 arguments, got %d' % len(args))
- def remove(wr, selfref=ref(self)):
+ def remove(wr, selfref=ref(self), _atomic_removal=_remove_dead_weakref):
self = selfref()
if self is not None:
if self._iterating:
@@ -114,7 +114,7 @@ class WeakValueDictionary(collections.MutableMapping):
else:
# Atomic removal is necessary since this function
# can be called asynchronously by the GC
- _remove_dead_weakref(d, wr.key)
+ _atomic_removal(d, wr.key)
self._remove = remove
# A list of keys to be removed
self._pending_removals = []
diff --git a/Misc/NEWS b/Misc/NEWS
index 41cfdba..6d89f52 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -5719,6 +5719,9 @@ Core and Builtins
Library
-------
+- Issue #29519: Fix weakref spewing exceptions during interpreter shutdown
+ when used with a rare combination of multiprocessing and custom codecs.
+
- Issue #20154: Deadlock in asyncio.StreamReader.readexactly().
- Issue #16113: Remove sha3 module again.
--
2.7.4