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bpo-12915: Add pkgutil.resolve_name (GH-18310)

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Vinay Sajip 2020-02-14 22:02:13 +00:00 • committed by GitHub
parent 9aeb0ef930
commit 1ed61617a4
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55
Lib/test/test_pkgutil.py
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@ -186,6 +186,61 @@ class PkgutilTests(unittest.TestCase):
with self.assertRaises((TypeError, ValueError)):
list(pkgutil.walk_packages(bytes_input))
def test_name_resolution(self):
import logging
import logging.handlers
success_cases = (
('os', os),
('os.path', os.path),
('os.path:pathsep', os.path.pathsep),
('logging', logging),
('logging:', logging),
('logging.handlers', logging.handlers),
('logging.handlers:', logging.handlers),
('logging.handlers:SysLogHandler', logging.handlers.SysLogHandler),
('logging.handlers.SysLogHandler', logging.handlers.SysLogHandler),
('logging.handlers:SysLogHandler.LOG_ALERT',
logging.handlers.SysLogHandler.LOG_ALERT),
('logging.handlers.SysLogHandler.LOG_ALERT',
logging.handlers.SysLogHandler.LOG_ALERT),
('builtins.int', int),
('builtins:int', int),
('builtins.int.from_bytes', int.from_bytes),
('builtins:int.from_bytes', int.from_bytes),
('builtins.ZeroDivisionError', ZeroDivisionError),
('builtins:ZeroDivisionError', ZeroDivisionError),
('os:path', os.path),
)
failure_cases = (
(None, TypeError),
(1, TypeError),
(2.0, TypeError),
(True, TypeError),
('', ValueError),
('?abc', ValueError),
('abc/foo', ValueError),
('foo', ImportError),
('os.foo', AttributeError),
('os.foo:', ImportError),
('os.pth:pathsep', ImportError),
('logging.handlers:NoSuchHandler', AttributeError),
('logging.handlers:SysLogHandler.NO_SUCH_VALUE', AttributeError),
('logging.handlers.SysLogHandler.NO_SUCH_VALUE', AttributeError),
('ZeroDivisionError', ImportError),
)
for s, expected in success_cases:
with self.subTest(s=s):
o = pkgutil.resolve_name(s)
self.assertEqual(o, expected)
for s, exc in failure_cases:
with self.subTest(s=s):
with self.assertRaises(exc):
pkgutil.resolve_name(s)
class PkgutilPEP302Tests(unittest.TestCase):