<funcsigs.Signature object at 0x7fcc113c7dd0>, args = ('hello',), kwargs = {}, partial = False
def _bind(self, args, kwargs, partial=False):
'''Private method. Don't use directly.'''
arguments = OrderedDict()
parameters = iter(self.parameters.values())
parameters_ex = ()
arg_vals = iter(args)
if partial:
# Support for binding arguments to 'functools.partial' objects.
# See 'functools.partial' case in 'signature()' implementation
# for details.
for param_name, param in self.parameters.items():
if (param._partial_kwarg and param_name not in kwargs):
# Simulating 'functools.partial' behavior
kwargs[param_name] = param.default
while True:
# Let's iterate through the positional arguments and corresponding
# parameters
try:
arg_val = next(arg_vals)
except StopIteration:
# No more positional arguments
try:
param = next(parameters)
except StopIteration:
# No more parameters. That's it. Just need to check that
# we have no `kwargs` after this while loop
break
else:
if param.kind == _VAR_POSITIONAL:
# That's OK, just empty *args. Let's start parsing
# kwargs
break
elif param.name in kwargs:
if param.kind == _POSITIONAL_ONLY:
msg = '{arg!r} parameter is positional only, ' \
'but was passed as a keyword'
msg = msg.format(arg=param.name)
raise TypeError(msg)
parameters_ex = (param,)
break
elif (param.kind == _VAR_KEYWORD or
param.default is not _empty):
# That's fine too - we have a default value for this
# parameter. So, lets start parsing `kwargs`, starting
# with the current parameter
parameters_ex = (param,)
break
else:
if partial:
parameters_ex = (param,)
break
else:
msg = '{arg!r} parameter lacking default value'
msg = msg.format(arg=param.name)
raise TypeError(msg)
else:
# We have a positional argument to process
try:
param = next(parameters)
except StopIteration:
raise TypeError('too many positional arguments')
else:
if param.kind in (_VAR_KEYWORD, _KEYWORD_ONLY):
# Looks like we have no parameter for this positional
# argument
> raise TypeError('too many positional arguments')
E TypeError: too many positional arguments
changing the positional arguments to keyword arguments resolves this issue, but surely funcsigs should work with multiple positional arguments?
changing the positional arguments to keyword arguments resolves this issue, but surely funcsigs should work with multiple positional arguments?