New submission from Zachary Ware:
Discussion in #29034 inspired me to run a refleak check on Windows, with the
following results from a 32-bit build of the current 3.6 branch:
C:\cpython\3.6>PCbuild\build.bat -e -d
C:\cpython\3.6>python -m test -uall -R 3:3:refleak_log.txt --timeout=7200
...
24 tests failed:
test_atexit test_capi test_concurrent_futures test_fileio
test_functools test_glob test_idle test_io test_math
test_multiprocessing_spawn test_ntpath test_os test_platform
test_posixpath test_shutil test_ssl test_sys test_tarfile
test_tempfile test_threading test_unicode_file_functions
test_unittest test_warnings test_winconsoleio
1 test altered the execution environment:
test_distutils
28 tests skipped:
test_crypt test_curses test_dbm_gnu test_dbm_ndbm test_devpoll
test_epoll test_fcntl test_fork1 test_gdb test_grp test_ioctl
test_kqueue test_nis test_openpty test_ossaudiodev test_pipes
test_poll test_posix test_pty test_pwd test_readline test_resource
test_spwd test_syslog test_threadsignals test_wait3 test_wait4
test_zipfile64
Total duration: 190 min 60 sec
Tests result: FAILURE
test_atexit leaked [12, 12, 12] references, sum=36
test_atexit leaked [4, 6, 6] memory blocks, sum=16
test_capi leaked [6, 6, 6] references, sum=18
test_capi leaked [2, 4, 4] memory blocks, sum=10
test_concurrent_futures leaked [792, 783, 765] references, sum=2340
test_concurrent_futures leaked [264, 263, 257] memory blocks, sum=784
test_fileio leaked [1, 2, 2] memory blocks, sum=5
test_functools leaked [0, 3, 2] memory blocks, sum=5
test_glob leaked [265, 266, 266] memory blocks, sum=797
test_idle leaked [471, 471, 471] references, sum=1413
test_idle leaked [209, 211, 211] memory blocks, sum=631
test_io leaked [2, 3, 3] memory blocks, sum=8
test_multiprocessing_spawn leaked [168, 117, 144] references, sum=429
test_multiprocessing_spawn leaked [55, 43, 50] memory blocks, sum=148
test_ntpath leaked [103, 104, 104] memory blocks, sum=311
test_os leaked [33, 33, 33] references, sum=99
test_os leaked [58, 60, 60] memory blocks, sum=178
test_platform leaked [12, 12, 12] references, sum=36
test_platform leaked [4, 6, 6] memory blocks, sum=16
test_posixpath leaked [3, 4, 4] memory blocks, sum=11
test_shutil leaked [5, 6, 6] memory blocks, sum=17
test_ssl leaked [3, 4, 4] memory blocks, sum=11
test_sys leaked [9, 9, 9] references, sum=27
test_sys leaked [3, 5, 5] memory blocks, sum=13
test_tarfile leaked [4, 5, 5] memory blocks, sum=14
test_tempfile leaked [82, 83, 83] memory blocks, sum=248
test_threading leaked [12, 12, 12] references, sum=36
test_threading leaked [4, 6, 6] memory blocks, sum=16
test_unicode_file_functions leaked [5, 6, 6] memory blocks, sum=17
test_winconsoleio leaked [38, 38, 38] references, sum=114
test_winconsoleio leaked [0, 1, 2] memory blocks, sum=3
----------
components: Windows
messages: 283792
nosy: haypo, paul.moore, serhiy.storchaka, steve.dower, tim.golden,
xiang.zhang, zach.ware
priority: high
severity: normal
stage: needs patch
status: open
title: Reference leaks on Windows
type: resource usage
versions: Python 3.5, Python 3.6, Python 3.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue29041>
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