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gh-149879: Fix test_strptime on Cygwin#150438

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vstinner:test_strptime
May 26, 2026
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gh-149879: Fix test_strptime on Cygwin#150438
vstinner merged 1 commit into
python:mainfrom
vstinner:test_strptime

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@vstinner vstinner commented May 26, 2026 •
edited by bedevere-app Bot
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Skip my_MM and or_IN locales on multiple tests, since the tests fail on Cygwin.

@vstinner
pythongh-149879: Fix test_strptime on Cygwin
1dc0bd0 
Skip my_MM and or_IN locales on multiple tests, since the tests fail
on Cygwin.
@bedevere-app bedevere-app Bot added the tests Tests in the Lib/test dir label May 26, 2026
@bedevere-app bedevere-app Bot mentioned this pull request May 26, 2026
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vstinner commented May 26, 2026

Cygwin uses the newlib C library. Multiple test_strptime tests with my_MM and or_IN locales.

Details 
======================================================================
ERROR: test_date_locale (test.test_strptime.StrptimeTests.test_date_locale) (locale='my_MM')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 555, in test_date_locale
    self.roundtrip('%x', slice(0, 3), time.localtime(now))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '20၂၆ မေ ၂၆ အင်္ဂါ' does not match format '%x'

======================================================================
ERROR: test_date_locale (test.test_strptime.StrptimeTests.test_date_locale) (locale='or_IN')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 555, in test_date_locale
    self.roundtrip('%x', slice(0, 3), time.localtime(now))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '୨୬-୫-୨୬' does not match format '%x'

======================================================================
ERROR: test_date_locale2 (test.test_strptime.StrptimeTests.test_date_locale2) (locale='my_MM')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 575, in test_date_locale2
    self.roundtrip('%x', slice(0, 3), (1900, 1, 1, 0, 0, 0, 0, 1, 0))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '19၀၀ ဇန် ၀၀၀၁ တနင်္လာ' does not match format '%x'

======================================================================
ERROR: test_date_time_locale (test.test_strptime.StrptimeTests.test_date_time_locale) (locale='my_MM')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 517, in test_date_time_locale
    self.roundtrip('%c', slice(0, 6), time.localtime(now))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '20၂၆ မေ ၂၆ အင်္ဂါ ၀၁:၄၈:၀၁ နံနက်' does not match format '%c'

======================================================================
ERROR: test_date_time_locale (test.test_strptime.StrptimeTests.test_date_time_locale) (locale='or_IN')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 517, in test_date_time_locale
    self.roundtrip('%c', slice(0, 6), time.localtime(now))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '୨୬ ମେ ୨୬ ୧:୪୮:୧ AM' does not match format '%c'

======================================================================
ERROR: test_date_time_locale2 (test.test_strptime.StrptimeTests.test_date_time_locale2) (locale='my_MM')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 544, in test_date_time_locale2
    self.roundtrip('%c', slice(0, 6), (1900, 1, 1, 0, 0, 0, 0, 1, 0))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '19၀၀ ဇန် ၀၀၀၁ တနင်္လာ ၁၂:၀၀:၀၀ နံနက်' does not match format '%c'

======================================================================
ERROR: test_time_locale (test.test_strptime.StrptimeTests.test_time_locale) (locale='or_IN')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/cpython/Lib/test/support/__init__.py", line 1156, in wrapper
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 600, in test_time_locale
    self.roundtrip('%X', pos, time.localtime(now))
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/test/test_strptime.py", line 304, in roundtrip
    strp_output = _strptime._strptime_time(strf_output, fmt)
  File "/home/vstinner/cpython/Lib/_strptime.py", line 812, in _strptime_time
    tt = _strptime(data_string, format)[0]
         ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "/home/vstinner/cpython/Lib/_strptime.py", line 574, in _strptime
    raise ValueError("time data %r does not match format %r" %
                     (data_string, format))
ValueError: time data '୧:୪୮:୧ AM' does not match format '%X'

----------------------------------------------------------------------
Ran 60 tests in 1.686s

FAILED (errors=7, skipped=19)

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vstinner commented May 26, 2026

"Tests / Sanitizers / UBSan" failed, but the failure is unrelated to this change.

0:03:01 load avg: 8.06 mem: 128.1 MiB [ 69/503/1] test.test_multiprocessing_fork.test_processes failed (1 error) (43.9 sec) -- running (1): test.test_multiprocessing_forkserver.test_manager (30.9 sec)
Warning -- Dangling processes: {<Process name='Process-152' pid=22369 parent=20628 started daemon>}
Warning -- Dangling processes: {<Process name='Process-152' pid=22369 parent=20628 started daemon>}
test test.test_multiprocessing_fork.test_processes failed -- Traceback (most recent call last):
  File "/home/runner/work/cpython/cpython/Lib/contextlib.py", line 116, in inner
    return func(*args, **kwds)
  File "/home/runner/work/cpython/cpython/Lib/test/_test_multiprocessing.py", line 649, in test_interrupt
    exitcode = self._kill_process(multiprocessing.Process.interrupt)
  File "/home/runner/work/cpython/cpython/Lib/contextlib.py", line 116, in inner
    return func(*args, **kwds)
  File "/home/runner/work/cpython/cpython/Lib/test/_test_multiprocessing.py", line 630, in _kill_process
    self.assertEqual(join(), None)
                     ~~~~^^
  File "/home/runner/work/cpython/cpython/Lib/test/_test_multiprocessing.py", line 303, in __call__
    return self.func(*args, **kwds)
           ~~~~~~~~~^^^^^^^^^^^^^^^
  File "/home/runner/work/cpython/cpython/Lib/multiprocessing/process.py", line 156, in join
    res = self._popen.wait(timeout)
  File "/home/runner/work/cpython/cpython/Lib/multiprocessing/popen_fork.py", line 44, in wait
    return self.poll(os.WNOHANG if timeout == 0.0 else 0)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/cpython/cpython/Lib/multiprocessing/popen_fork.py", line 28, in poll
    pid, sts = os.waitpid(self.pid, flag)
               ~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/home/runner/work/cpython/cpython/Lib/test/_test_multiprocessing.py", line 626, in handler
    raise RuntimeError('join took too long: %s' % p)
RuntimeError: join took too long: <Process name='Process-152' pid=22369 parent=20628 started daemon>

@vstinner vstinner merged commit f500e4e into python:main May 26, 2026
95 of 97 checks passed
@vstinner vstinner deleted the test_strptime branch May 26, 2026 02:25
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