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)
def __getitem__(self, key):
func = resolve_name(key)
@functools.wraps(func)
async def _(**params):
body = params.pop('_')
accepted = kwargs_of_func(func)
if accepted is ...:
args = params
else:
args = {k: v for k, v in params.items() if k in accepted}
# Actually call the function
try:
if inspect.iscoroutinefunction(func):
return await func(body, **args)
else:
loop = asyncio.get_running_loop()
return await loop.run_in_executor(
None, functools.partial(func, body, **args))
finally:
sys.stdout.flush() # Dunno why line flushing isn't working
sys.stderr.flush()
return _
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),
('os.path.9abc', ValueError),
('9abc', ValueError),
)
# add some Unicode package names to the mix.
unicode_words = ('\u0935\u092e\u0938', '\xe9', '\xc8',
'\uc548\ub155\ud558\uc138\uc694',
'\u3055\u3088\u306a\u3089',
'\u3042\u308a\u304c\u3068\u3046',
'\u0425\u043e\u0440\u043e\u0448\u043e',
'\u0441\u043f\u0430\u0441\u0438\u0431\u043e',
'\u73b0\u4ee3\u6c49\u8bed\u5e38\u7528\u5b57\u8868')
for uw in unicode_words:
d = os.path.join(self.dirname, uw)
try:
os.makedirs(d, exist_ok=True)
except UnicodeEncodeError:
# When filesystem encoding cannot encode uw: skip this test
continue
# make an empty __init__.py file
f = os.path.join(d, '__init__.py')
with open(f, 'w') as f:
f.write('')
f.flush()
# now import the package we just created; clearing the caches is
# needed, otherwise the newly created package isn't found
importlib.invalidate_caches()
mod = importlib.import_module(uw)
success_cases += (uw, mod),
if len(uw) > 1:
failure_cases += (uw[:-1], ImportError),
# add an example with a Unicode digit at the start
failure_cases += ('\u0966\u0935\u092e\u0938', ValueError),
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)
def __call__(self, parser, args, values, option_string=None):
load_plugins(pkgutil.resolve_name(values))
def load_ref(self) -> object:
if self._ref is None:
self._ref = resolve_name(self)
return self._ref
def update_event(self, inp=-1):
self.set_output_val(0, pkgutil.resolve_name(self.input(0)))
