Pablo Galindo Salgado <pablog...@gmail.com> added the comment:
Commit c9f696cb96d1c362d5cad871f61da520572d9b08 introduced a reference leak in
the test suite. See https://bugs.python.org/issue42145:
c9f696cb96d1c362d5cad871f61da520572d9b08 is the first bad commit
commit c9f696cb96d1c362d5cad871f61da520572d9b08
Author: Hai Shi <shihai1...@gmail.com>
Date: Fri Oct 16 16:34:15 2020 +0800
bpo-41919, test_codecs: Move codecs.register calls to setUp() (GH-22513)
Reverting the commit eliminates the problem:
rences, sum=12
test_io leaked [1, 1, 1, 1] memory blocks, sum=4
test_io failed
== Tests result: FAILURE ==
1 test failed:
test_io
Total duration: 397 ms
Tests result: FAILURE
g
~/github/python/master master|bisect*
❯ git revert c9f696cb96d1c362d5cad871f61da520572d9b08
Auto-merging Lib/test/test_codecs.py
[master f3de7c00b4] Revert "bpo-41919, test_codecs: Move codecs.register calls
to setUp() (GH-22513)"
7 files changed, 112 insertions(+), 16 deletions(-)
~/github/python/master master|bisect* ⇡
❯ make -j -s
CC='gcc -pthread' LDSHARED='gcc -pthread -shared ' OPT='-g -Og -Wall'
_TCLTK_INCLUDES='' _TCLTK_LIBS='' ./python -E ./setup.py -q build
The following modules found by detect_modules() in setup.py, have been
built by the Makefile instead, as configured by the Setup files:
_abc atexit pwd
time
~/github/python/master master|bisect* ⇡
❯ ./python -m test test_io -m
test.test_io.CTextIOWrapperTest.test_read_one_by_one -R :
0:00:00 load avg: 2.57 Run tests sequentially
0:00:00 load avg: 2.57 [1/1] test_io
beginning 9 repetitions
123456789
.........
== Tests result: SUCCESS ==
1 test OK.
Total duration: 455 ms
Tests result: SUCCESS
* Move the codecs' (un)register operation to testcases.
* Remove _codecs._forget_codec() and _PyCodec_Forget()
Lib/test/test_charmapcodec.py | 7 +++++--
Lib/test/test_codecs.py | 25 +++----------------------
Lib/test/test_io.py | 7 +++----
Lib/test/test_unicode.py | 5 ++++-
Modules/_codecsmodule.c | 20 --------------------
Modules/clinic/_codecsmodule.c.h | 39 +--------------------------------------
Python/codecs.c | 25 -------------------------
7 files changed, 16 insertions(+), 112 deletions(-)
----------
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<https://bugs.python.org/issue42145>
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