bpo-45229: Make datetime tests discoverable#28615

serhiy-storchaka

https://bugs.python.org/issue45229

ambv

test_datetime on main: Ran 960 tests in 9.497s; OK (skipped=28)
test_datetime on this PR: Ran 960 tests in 9.468s; OK (skipped=28)

Same tests running:

--- /tmp/main_datetime.log	2021-09-29 21:26:34.000000000 +0200
+++ /tmp/28615_datetime.log	2021-09-29 21:28:25.000000000 +0200
@@ -1 +1 @@
-Wed Sep 29 21:26:23 CEST 2021
+Wed Sep 29 21:28:14 CEST 2021
@@ -3 +3 @@
-== CPython 3.11.0a0 (heads/main:45ca1c0413, Sep 29 2021, 21:24:05) [Clang 12.0.0 (clang-1200.0.32.29)]
+== CPython 3.11.0a0 (heads/test-datetime-discover:1131d9fb69, Sep 29 2021, 21:27:42) [Clang 12.0.0 (clang-1200.0.32.29)]
@@ -5 +5 @@
-== cwd: /Users/ambv/Dropbox/Python/cpython/build/test_python_40589æ
+== cwd: /Users/ambv/Dropbox/Python/cpython/build/test_python_49597æ
@@ -8,2 +8,2 @@
-0:00:00 load avg: 2.35 Run tests sequentially
-0:00:00 load avg: 2.35 [1/1] test_datetime
+0:00:00 load avg: 3.01 Run tests sequentially
+0:00:00 load avg: 3.01 [1/1] test_datetime
@@ -982 +982 @@
-Ran 960 tests in 9.497s
+Ran 960 tests in 9.468s

miss-islington

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.9, 3.10.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

miss-islington

Sorry, @serhiy-storchaka, I could not cleanly backport this to 3.9 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker d441437ee71ae174c008c23308b749b91020ba77 3.9

bedevere-bot

GH-28639 is a backport of this pull request to the 3.10 branch.

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

bedevere-bot

GH-28645 is a backport of this pull request to the 3.9 branch.

pablogsal

Unfortunately, this PR seems to have broken a bunch of buildbots. For instance:

https://buildbot.python.org/all/#/builders/75/builds/172/steps/5/logs/stdio

test_divide_and_round (test.datetimetester.TestModule_Pure) ... ok
test_divide_and_round (test.datetimetester.TestModule_Fast) ... skipped 'Only run for Pure Python implementation'
----------------------------------------------------------------------
Ran 2 tests in 0.000s
OK (skipped=1)
test_divide_and_round (test.datetimetester.TestModule_Pure) ... ERROR
.test test_datetime failed
test_divide_and_round (test.datetimetester.TestModule_Fast) ... skipped 'Only run for Pure Python implementation'
======================================================================
ERROR: test_divide_and_round (test.datetimetester.TestModule_Pure)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.refleak/build/Lib/test/datetimetester.py", line 88, in test_divide_and_round
    dar = datetime_module._divide_and_round
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'datetime' has no attribute '_divide_and_round'
----------------------------------------------------------------------
Ran 2 tests in 0.003s
FAILED (errors=1, skipped=1)
1 test failed again:
    test_datetime
== Tests result: FAILURE then FAILURE ==

…8650) This reverts commit d441437.

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable Clang 3.x has failed when building commit b07fddd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/441/builds/732) and take a look at the build logs.
Check if the failure is related to this commit (b07fddd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/441/builds/732

Failed tests:

test_multiprocessing_fork
test_multiprocessing_forkserver
test_multiprocessing_spawn

Failed subtests:

test_shared_memory_basics - test.test_multiprocessing_spawn.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_forkserver.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_fork.WithProcessesTestSharedMemory

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

412 tests OK.

10 slowest tests:

test_peg_generator: 2 min 49 sec
test_concurrent_futures: 2 min 40 sec
test_multiprocessing_spawn: 1 min 35 sec
test_nntplib: 1 min 21 sec
test_multiprocessing_forkserver: 1 min 13 sec
test_multiprocessing_fork: 1 min 6 sec
test_asyncio: 57.3 sec
test_signal: 47.2 sec
test_io: 38.7 sec
test_socket: 38.2 sec

3 tests failed:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

12 tests skipped:
test_devpoll test_ioctl test_kqueue test_msilib test_startfile
test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg
test_winsound test_zipfile64

3 re-run tests:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

Total duration: 3 min 19 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_6bdda612'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_21c743d3'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_e86a3721'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang/build/Lib/test/_test_multiprocessing.py", line 3777, in test_shared_memory_basics
    sms = shared_memory.SharedMemory('test01_tsmb', create=True, size=512)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang/build/Lib/multiprocessing/shared_memory.py", line 103, in __init__
    self._fd = _posixshmem.shm_open(
               ^^^^^^^^^^^^^^^^^^^^^
FileExistsError: [Errno 17] File exists: '/test01_tsmb'

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable Clang Installed 3.x has failed when building commit b07fddd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/350/builds/737) and take a look at the build logs.
Check if the failure is related to this commit (b07fddd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/350/builds/737

Failed tests:

test_multiprocessing_fork
test_multiprocessing_forkserver
test_multiprocessing_spawn

Failed subtests:

test_shared_memory_basics - test.test_multiprocessing_forkserver.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_fork.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_spawn.WithProcessesTestSharedMemory

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

408 tests OK.

3 tests failed:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

16 tests skipped:
test_asdl_parser test_check_c_globals test_clinic test_devpoll
test_gdb test_ioctl test_kqueue test_msilib test_startfile
test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg
test_winsound test_zipfile64

3 re-run tests:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

Total duration: 2 min 50 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang-installed/build/target/lib/python3.11/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_5a1b37ec'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang-installed/build/target/lib/python3.11/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_9c328efe'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang-installed/build/target/lib/python3.11/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_a28821d5'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang-installed/build/target/lib/python3.11/test/_test_multiprocessing.py", line 3777, in test_shared_memory_basics
    sms = shared_memory.SharedMemory('test01_tsmb', create=True, size=512)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.clang-installed/build/target/lib/python3.11/multiprocessing/shared_memory.py", line 103, in __init__
    self._fd = _posixshmem.shm_open(
               ^^^^^^^^^^^^^^^^^^^^^
FileExistsError: [Errno 17] File exists: '/test01_tsmb'

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora LTO + PGO 3.x has failed when building commit b07fddd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/545/builds/783) and take a look at the build logs.
Check if the failure is related to this commit (b07fddd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/545/builds/783

Failed tests:

test_multiprocessing_fork
test_multiprocessing_forkserver
test_multiprocessing_spawn

Failed subtests:

test_shared_memory_basics - test.test_multiprocessing_spawn.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_forkserver.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_fork.WithProcessesTestSharedMemory

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

409 tests OK.

10 slowest tests:

test_concurrent_futures: 2 min 31 sec
test_multiprocessing_spawn: 1 min 20 sec
test_multiprocessing_forkserver: 1 min 9 sec
test_nntplib: 1 min 6 sec
test_multiprocessing_fork: 1 min 3 sec
test_signal: 47.5 sec
test_asyncio: 44.1 sec
test_socket: 37.7 sec
test_io: 31.9 sec
test_pydoc: 31.2 sec

3 tests failed:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

15 tests skipped:
test_devpoll test_gdb test_ioctl test_kqueue test_msilib test_nis
test_readline test_startfile test_tix test_tk test_ttk_guionly
test_winconsoleio test_winreg test_winsound test_zipfile64

3 re-run tests:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

Total duration: 4 min 15 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto-pgo/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_51a8726a'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto-pgo/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_b0dd5439'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto-pgo/build/Lib/test/_test_multiprocessing.py", line 3777, in test_shared_memory_basics
    sms = shared_memory.SharedMemory('test01_tsmb', create=True, size=512)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto-pgo/build/Lib/multiprocessing/shared_memory.py", line 103, in __init__
    self._fd = _posixshmem.shm_open(
               ^^^^^^^^^^^^^^^^^^^^^
FileExistsError: [Errno 17] File exists: '/test01_tsmb'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto-pgo/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_31cae0a6'

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable LTO 3.x has failed when building commit b07fddd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/271/builds/669) and take a look at the build logs.
Check if the failure is related to this commit (b07fddd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/271/builds/669

Failed tests:

test_multiprocessing_fork
test_multiprocessing_forkserver
test_multiprocessing_spawn

Failed subtests:

test_shared_memory_basics - test.test_multiprocessing_spawn.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_forkserver.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_fork.WithProcessesTestSharedMemory

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

412 tests OK.

10 slowest tests:

test_peg_generator: 3 min 45 sec
test_concurrent_futures: 2 min 31 sec
test_gdb: 1 min 44 sec
test_multiprocessing_spawn: 1 min 32 sec
test_nntplib: 1 min 21 sec
test_multiprocessing_forkserver: 1 min 12 sec
test_multiprocessing_fork: 1 min 4 sec
test_asyncio: 54.1 sec
test_signal: 47.5 sec
test_socket: 37.9 sec

3 tests failed:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

12 tests skipped:
test_devpoll test_ioctl test_kqueue test_msilib test_startfile
test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg
test_winsound test_zipfile64

3 re-run tests:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

Total duration: 4 min 26 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_717541bc'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_c27b3f3e'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.lto/build/Lib/test/_test_multiprocessing.py", line 3777, in test_shared_memory_basics
    sms = shared_memory.SharedMemory('test01_tsmb', create=True, size=512)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.lto/build/Lib/multiprocessing/shared_memory.py", line 103, in __init__
    self._fd = _posixshmem.shm_open(
               ^^^^^^^^^^^^^^^^^^^^^
FileExistsError: [Errno 17] File exists: '/test01_tsmb'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_fe719e16'

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora LTO 3.x has failed when building commit b07fddd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/55/builds/730) and take a look at the build logs.
Check if the failure is related to this commit (b07fddd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/55/builds/730

Failed tests:

test_multiprocessing_fork
test_multiprocessing_forkserver
test_multiprocessing_spawn

Failed subtests:

test_shared_memory_basics - test.test_multiprocessing_spawn.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_forkserver.WithProcessesTestSharedMemory
test_shared_memory_basics - test.test_multiprocessing_fork.WithProcessesTestSharedMemory

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

410 tests OK.

10 slowest tests:

test_peg_generator: 3 min 45 sec
test_concurrent_futures: 2 min 32 sec
test_gdb: 1 min 43 sec
test_multiprocessing_spawn: 1 min 26 sec
test_multiprocessing_forkserver: 1 min 12 sec
test_nntplib: 1 min 5 sec
test_multiprocessing_fork: 1 min 4 sec
test_signal: 47.2 sec
test_asyncio: 45.1 sec
test_socket: 38.0 sec

3 tests failed:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

14 tests skipped:
test_devpoll test_ioctl test_kqueue test_msilib test_nis
test_readline test_startfile test_tix test_tk test_ttk_guionly
test_winconsoleio test_winreg test_winsound test_zipfile64

3 re-run tests:
test_multiprocessing_fork test_multiprocessing_forkserver
test_multiprocessing_spawn

Total duration: 6 min 5 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/_test_multiprocessing.py", line 3777, in test_shared_memory_basics
    sms = shared_memory.SharedMemory('test01_tsmb', create=True, size=512)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/multiprocessing/shared_memory.py", line 103, in __init__
    self._fd = _posixshmem.shm_open(
               ^^^^^^^^^^^^^^^^^^^^^
FileExistsError: [Errno 17] File exists: '/test01_tsmb'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_94aacdad'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_bb76f3e9'


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
    cache[rtype].remove(name)
    ^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: '/psm_c472e72d'

(cherry picked from commit d441437)

…8615). (pythonGH-28645)" This reverts commit 993a130.

miss-islington

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.10.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

…8645)" (GH-28660) This reverts commit 993a130.

…. (GH-28645)" (GH-28660)" This reverts commit 2cf76cf.

…" (GH-28650)" This reverts commit b07fddd.

miss-islington

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.10.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

bedevere-bot

GH-28668 is a backport of this pull request to the 3.10 branch.

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…" (GH-28650)" (GH-28667) This reverts commit b07fddd.

…. (GH-28645)" (GH-28660)" (GH-28666) This reverts commit 2cf76cf.

bedevere-bot

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot x86-64 macOS 3.9 has failed when building commit e9d5cdd.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/108/builds/275) and take a look at the build logs.
Check if the failure is related to this commit (e9d5cdd) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/108/builds/275

Failed tests:

test_importlib

Failed subtests:

test_multiprocessing_pool_circular_import - test.test_importlib.test_threaded_import.ThreadedImportTests

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

406 tests OK.

10 slowest tests:

test_concurrent_futures: 4 min 45 sec
test_multiprocessing_spawn: 3 min 55 sec
test_tokenize: 3 min 29 sec
test_unparse: 3 min 13 sec
test_multiprocessing_forkserver: 2 min 39 sec
test_lib2to3: 2 min 17 sec
test_unicodedata: 1 min 58 sec
test_capi: 1 min 48 sec
test_asyncio: 1 min 47 sec
test_io: 1 min 6 sec

1 test failed:
test_importlib

18 tests skipped:
test_devpoll test_epoll test_gdb test_ioctl test_msilib
test_multiprocessing_fork test_ossaudiodev test_smtpnet test_spwd
test_ssl test_startfile test_tix test_tk test_ttk_guionly
test_winconsoleio test_winreg test_winsound test_zipfile64

1 re-run test:
test_importlib

Total duration: 28 min 23 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py", line 201, in main
    cache[rtype].remove(name)
KeyError: '/psm_730e30b3'


Traceback (most recent call last):
Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
Traceback (most recent call last):
Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 212, in __init__
    self._repopulate_pool()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 212, in __init__
    self._repopulate_pool()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 303, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 326, in _repopulate_pool_static
    w.start()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 196, in __init__
    self._change_notifier = self._ctx.SimpleQueue()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 212, in __init__
    self._repopulate_pool()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 113, in SimpleQueue
    return SimpleQueue(ctx=self.get_context())
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 303, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 284, in _Popen
    return Popen(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/queues.py", line 347, in __init__
    self._wlock = ctx.Lock()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 326, in _repopulate_pool_static
    w.start()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 32, in __init__
    super().__init__(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 68, in Lock
    return Lock(ctx=self.get_context())
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/synchronize.py", line 162, in __init__
    SemLock.__init__(self, SEMAPHORE, 1, 1, ctx=ctx)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 284, in _Popen
    return Popen(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 58, in _launch
    self.pid = util.spawnv_passfds(spawn.get_executable(),
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/synchronize.py", line 57, in __init__
    sl = self._semlock = _multiprocessing.SemLock(
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 32, in __init__
    super().__init__(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/util.py", line 450, in spawnv_passfds
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
OSError: [Errno 24] Too many open files
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:216: UserWarning: resource_tracker: There appear to be 40 leaked semaphore objects to clean up at shutdown
  warnings.warn('resource_tracker: There appear to be %d '
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-8cr2ntre': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-hx_it7fs': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-sqyu177q': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-hqvqd9hl': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-g70vtowj': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-fapxu8n7': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-73fwh8m1': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
---


Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t
    with multiprocessing.Pool(1):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 212, in __init__
    self._repopulate_pool()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 303, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/pool.py", line 326, in _repopulate_pool_static
    w.start()
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/context.py", line 284, in _Popen
    return Popen(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 32, in __init__
    super().__init__(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 53, in _launch
    parent_r, child_w = os.pipe()
OSError: [Errno 24] Too many open files
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:216: UserWarning: resource_tracker: There appear to be 106 leaked semaphore objects to clean up at shutdown
  warnings.warn('resource_tracker: There appear to be %d '
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-x_sz47x4': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-3a2go6gn': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-iy4fjx_0': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-n4g7i_68': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-hmkz4tu9': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-q4pgway3': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-iczxkhjm': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-wzjb3y_c': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-9flvh6my': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-rsq0cyw1': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-j_r67s3e': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-mwnx3x26': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-2hng3evl': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:229: UserWarning: resource_tracker: '/mp-_eaia84f': [Errno 2] No such file or directory
  warnings.warn('resource_tracker: %r: %s' % (name, e))
---


Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/test_threaded_import.py", line 258, in test_multiprocessing_pool_circular_import
    script_helper.assert_python_ok(fn)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/support/script_helper.py", line 156, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/support/script_helper.py", line 142, in _assert_python
    res.fail(cmd_line)
  File "/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/support/script_helper.py", line 70, in fail
    raise AssertionError("Process return code is %d\n"
AssertionError: Process return code is 1
command line: ['/Users/buildbot/buildarea/3.9.billenstein-macos/build/python.exe', '-X', 'faulthandler', '-I', '/Users/buildbot/buildarea/3.9.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py']

bpo-45229: Make datetime tests discoverable

6dea878

serhiy-storchaka added skip news needs backport to 3.9 needs backport to 3.10 only security fixes labels Sep 29, 2021

serhiy-storchaka requested review from abalkin and pganssle as code owners September 29, 2021 10:22

the-knights-who-say-ni added the CLA signed label Sep 29, 2021

bedevere-bot added the awaiting core review label Sep 29, 2021

ambv reviewed Sep 29, 2021

View reviewed changes

Remove unneeded import.

1131d9f

ambv approved these changes Sep 29, 2021

View reviewed changes

bedevere-bot added awaiting merge and removed awaiting core review labels Sep 29, 2021

serhiy-storchaka merged commit d441437 into python:main Sep 29, 2021

bedevere-bot removed the awaiting merge label Sep 29, 2021

serhiy-storchaka deleted the test-datetime-discover branch September 29, 2021 20:28

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Sep 29, 2021

bpo-45229: Make datetime tests discoverable (pythonGH-28615) …

68e1320

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

miss-islington assigned serhiy-storchaka Sep 29, 2021

bedevere-bot removed the needs backport to 3.10 only security fixes label Sep 29, 2021

serhiy-storchaka added a commit to serhiy-storchaka/cpython that referenced this pull request Sep 30, 2021

[3.9] bpo-45229: Make datetime tests discoverable (pythonGH-28615). …

e393129

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

bedevere-bot removed the needs backport to 3.9 label Sep 30, 2021

pablogsal mentioned this pull request Sep 30, 2021

bpo-45229: Revert "Make datetime tests discoverable" #28650

Merged

pablogsal added a commit that referenced this pull request Sep 30, 2021

Revert "bpo-45229: Make datetime tests discoverable (GH-28615)" (GH-2… …

b07fddd

…8650) This reverts commit d441437.

serhiy-storchaka added a commit that referenced this pull request Sep 30, 2021

[3.9] bpo-45229: Make datetime tests discoverable (GH-28615). (GH-28645) …

993a130

(cherry picked from commit d441437)

ambv added a commit to ambv/cpython that referenced this pull request Sep 30, 2021

Revert "[3.9] bpo-45229: Make datetime tests discoverable (pythonGH-2… …

41e96f6

…8615). (pythonGH-28645)" This reverts commit 993a130.

serhiy-storchaka added the needs backport to 3.10 only security fixes label Sep 30, 2021

ambv added a commit that referenced this pull request Sep 30, 2021

Revert "bpo-45229: Make datetime tests discoverable (GH-28615). (GH-2… …

2cf76cf

…8645)" (GH-28660) This reverts commit 993a130.

serhiy-storchaka added a commit that referenced this pull request Oct 1, 2021

Revert "Revert "bpo-45229: Make datetime tests discoverable (GH-28615)… …

4bd7d46

…. (GH-28645)" (GH-28660)" This reverts commit 2cf76cf.

serhiy-storchaka added a commit that referenced this pull request Oct 1, 2021

Revert "Revert "bpo-45229: Make datetime tests discoverable (GH-28615)… …

47099cf

…" (GH-28650)" This reverts commit b07fddd.

serhiy-storchaka added needs backport to 3.10 and removed needs backport to 3.10 only security fixes labels Oct 1, 2021

bedevere-bot removed the needs backport to 3.10 only security fixes label Oct 1, 2021

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Oct 1, 2021

bpo-45229: Make datetime tests discoverable (pythonGH-28615) …

df9c757

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

miss-islington added a commit that referenced this pull request Oct 1, 2021

bpo-45229: Make datetime tests discoverable (GH-28615) …

ef7c729

(cherry picked from commit d441437) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

serhiy-storchaka added a commit that referenced this pull request Oct 1, 2021

Revert "Revert "bpo-45229: Make datetime tests discoverable (GH-28615)… …

2f20592

…" (GH-28650)" (GH-28667) This reverts commit b07fddd.

serhiy-storchaka added a commit that referenced this pull request Oct 1, 2021

Revert "Revert "bpo-45229: Make datetime tests discoverable (GH-28615)… …

e9d5cdd

…. (GH-28645)" (GH-28660)" (GH-28666) This reverts commit 2cf76cf.

serhiy-storchaka mentioned this pull request May 16, 2022

Always use unittest for collecting tests in regrtests #89392

Closed

serhiy-storchaka removed their assignment Jun 21, 2022

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serhiy-storchaka commented Sep 29, 2021 •

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