[mschubert]

No description provided.

[APN-Pucky]

I get:

[ERROR] >>> Not all runs were successful (1 failures in 2).
[ERROR] >>> atom: =dev-python/plac-1.4.7::science, USE flags: '-python_targets_python3_12 python_targets_python3_13 python_targets_python3_14 -python_targets_python3_15'

while

[INFO] >>> =dev-python/plac-1.4.7::science    USE: -python_targets_python3_12 python_targets_python3_13 -python_targets_python3_14 -python_targets_python3_15, FEATURES: test

worked.

========================================== FAILURES ===========================================
_____________________________________ test_expected_help ______________________________________

    def test_expected_help():
        for fname in os.listdir('.'):
            if fname.endswith('.help'):
                name = fname[:-5]
                if name not in ('vcs', 'ishelve'):
>                   check_help(fname[:-5])

fname      = 'example10.help'
name       = 'example10'

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:109: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

name = 'example10'

    def check_help(name):
        sys.argv[0] = name + '.py'  # avoid issue with pytest
        plac_core._parser_registry.clear()  # makes different imports independent
    
        try:
            try:
                main = plac.import_main(name + '.py')
            except SyntaxError:
                if sys.version < '3':  # expected for Python 2.X
                    return
                else:  # not expected for Python 3.X
                    raise
            p = plac.parser_from(main, formatter_class=PlacTestFormatter)
    
            # Different format for Python > 3.13
            hname = name
            if version >= (3, 13):
                hname = dirname + '/' + hname
    
            #print (hname)
    
            with open(hname + '.help') as f:
                expected = fix_today(f.read()).strip()
    
            got = p.format_help().strip()
    
            #print (got)
    
            diff = list(difflib.unified_diff(expected.splitlines(),
                                             got.splitlines()))
            diff = '\n'.join(diff)
>           assert got == expected, diff
E           AssertionError: --- 
E             
E             +++ 
E             
E             @@ -1,4 +1,4 @@
E             
E             -usage: example10.py [-h] {add,mul} [n ...]
E             +usage: python3.14 -m pytest [-h] {add,mul} [n ...]
E              
E              A script to add and multiply numbers
E              
E           assert 'usage: python3.14 -m pytest [-h] {add,mul} [n ...]\n\nA script to add and multiply numbers\n\npositional arguments:\n  {add,mul}   The name of an operator\n  n           Zero or more numbers\n\noptions:\n  -h, --help  show this help message and exit' == 'usage: example10.py [-h] {add,mul} [n ...]\n\nA script to add and multiply numbers\n\npositional arguments:\n  {add,mul}   The name of an operator\n  n           Zero or more numbers\n\noptions:\n  -h, --help  show this help message and exit'
E             
E             - usage: example10.py [-h] {add,mul} [n ...]
E             + usage: python3.14 -m pytest [-h] {add,mul} [n ...]
E               
E               A script to add and multiply numbers
E               
E               positional arguments:
E                 {add,mul}   The name of an operator
E                 n           Zero or more numbers
E               
E               options:
E                 -h, --help  show this help message and exit

diff       = ('--- \n'
 '\n'
 '+++ \n'
 '\n'
 '@@ -1,4 +1,4 @@\n'
 '\n'
 '-usage: example10.py [-h] {add,mul} [n ...]\n'
 '+usage: python3.14 -m pytest [-h] {add,mul} [n ...]\n'
 ' \n'
 ' A script to add and multiply numbers\n'
 ' ')
expected   = ('usage: example10.py [-h] {add,mul} [n ...]\n'
 '\n'
 'A script to add and multiply numbers\n'
 '\n'
 'positional arguments:\n'
 '  {add,mul}   The name of an operator\n'
 '  n           Zero or more numbers\n'
 '\n'
 'options:\n'
 '  -h, --help  show this help message and exit')
f          = <_io.TextIOWrapper name='3.13/example10.help' mode='r' encoding='UTF-8'>
got        = ('usage: python3.14 -m pytest [-h] {add,mul} [n ...]\n'
 '\n'
 'A script to add and multiply numbers\n'
 '\n'
 'positional arguments:\n'
 '  {add,mul}   The name of an operator\n'
 '  n           Zero or more numbers\n'
 '\n'
 'options:\n'
 '  -h, --help  show this help message and exit')
hname      = '3.13/example10'
main       = <function main at 0x7fdb580dca90>
name       = 'example10'
p          = ArgumentParser(prog='python3.14 -m pytest', usage=None, description='A script to add and multiply numbers', formatter_class=<class 'test_plac.PlacTestFormatter'>, conflict_handler='error', add_help=True)

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:97: AssertionError
__________________________________ test_metavar_no_defaults ___________________________________

    def test_metavar_no_defaults():
        sys.argv[0] = 'test_plac.py'
    
        # positional
        p = parser_from(lambda x: None,
                        x=('first argument', 'positional', None, str,
                           [], 'METAVAR'))
>       assert_usage(p, 'usage: test_plac.py [-h] METAVAR\n')

p          = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:207: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

parser = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
expected = 'usage: test_plac.py [-h] METAVAR\n'

    def assert_usage(parser, expected):
        usage = parser.format_usage()
>       assert usage == expected, usage
E       AssertionError: usage: python3.14 -m pytest [-h] METAVAR
E         
E       assert 'usage: python3.14 -m pytest [-h] METAVAR\n' == 'usage: test_plac.py [-h] METAVAR\n'
E         
E         - usage: test_plac.py [-h] METAVAR
E         + usage: python3.14 -m pytest [-h] METAVAR

expected   = 'usage: test_plac.py [-h] METAVAR\n'
parser     = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
usage      = 'usage: python3.14 -m pytest [-h] METAVAR\n'

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:197: AssertionError
_________________________________ test_metavar_with_defaults __________________________________

    def test_metavar_with_defaults():
        sys.argv[0] = 'test_plac.py'
    
        # positional
        p = parser_from(lambda x='a': None,
                        x=('first argument', 'positional', None, str,
                           [], 'METAVAR'))
>       assert_usage(p, 'usage: test_plac.py [-h] [METAVAR]\n')

p          = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:223: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

parser = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
expected = 'usage: test_plac.py [-h] [METAVAR]\n'

    def assert_usage(parser, expected):
        usage = parser.format_usage()
>       assert usage == expected, usage
E       AssertionError: usage: python3.14 -m pytest [-h] [METAVAR]
E         
E       assert 'usage: python3.14 -m pytest [-h] [METAVAR]\n' == 'usage: test_plac.py [-h] [METAVAR]\n'
E         
E         - usage: test_plac.py [-h] [METAVAR]
E         + usage: python3.14 -m pytest [-h] [METAVAR]

expected   = 'usage: test_plac.py [-h] [METAVAR]\n'
parser     = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
usage      = 'usage: python3.14 -m pytest [-h] [METAVAR]\n'

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:197: AssertionError
__________________________________ test_metavar_empty_string __________________________________

    def test_metavar_empty_string():
        # see https://github.com/ialbert/plac/issues/36
        def main(arg=''):
            pass
        sys.argv[0] = 'test_plac.py'
        p = parser_from(main)
>       assert_usage(p, "usage: test_plac.py [-h] ['']\n")

main       = <function test_metavar_empty_string.<locals>.main at 0x7fdb580de1f0>
p          = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:244: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

parser = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
expected = "usage: test_plac.py [-h] ['']\n"

    def assert_usage(parser, expected):
        usage = parser.format_usage()
>       assert usage == expected, usage
E       AssertionError: usage: python3.14 -m pytest [-h] ['']
E         
E       assert "usage: python3.14 -m pytest [-h] ['']\n" == "usage: test_plac.py [-h] ['']\n"
E         
E         - usage: test_plac.py [-h] ['']
E         + usage: python3.14 -m pytest [-h] ['']

expected   = "usage: test_plac.py [-h] ['']\n"
parser     = ArgumentParser(prog='python3.14 -m pytest', usage=None, description=None, formatter_class=<class 'argparse.RawDescriptionHelpFormatter'>, conflict_handler='error', add_help=True)
usage      = "usage: python3.14 -m pytest [-h] ['']\n"

/var/tmp/portage/dev-python/plac-1.4.7/work/plac-1.4.7/doc/test_plac.py:197: AssertionError
- generated xml file: /var/tmp/portage/dev-python/plac-1.4.7/temp/pytest-xml/python3.14-8RzZvP.xml -
=================================== short test summary info ===================================
FAILED doc/test_plac.py::test_expected_help - AssertionError: --- 
FAILED doc/test_plac.py::test_metavar_no_defaults - AssertionError: usage: python3.14 -m pytest [-h] METAVAR
FAILED doc/test_plac.py::test_metavar_with_defaults - AssertionError: usage: python3.14 -m pytest [-h] [METAVAR]
FAILED doc/test_plac.py::test_metavar_empty_string - AssertionError: usage: python3.14 -m pytest [-h] ['']

I think the usage tests can be discarded here.

[mschubert]

Tests all run fine on my end (py3.13-3.15), I just confirmed.

What is your exact py3.14 version? Could it be this? python/cpython#155009