def validate_action_params(parameters, dereferencer, app_name, action_name,
action_func):
seen = set()
for parameter in parameters:
parameter = deref(parameter, dereferencer)
name = parameter['name']
if name in seen:
raise InvalidApi('Duplicate parameter {0} in api for {1} '
'for action {2}'.format(name, app_name,
action_name))
seen.add(name)
if __new_inspection:
method_params = list(getsignature(action_func).parameters.keys())
else:
method_params = getsignature(action_func).args
if method_params and method_params[0] == 'self':
method_params.pop(0)
if not seen == set(method_params):
only_in_api = seen - set(method_params)
only_in_definition = set(method_params) - seen
message = 'Discrepancy between defined parameters in API and in method definition.'
if only_in_api:
message += ' Only in API: {0}.'.format(only_in_api)
if only_in_definition:
message += ' Only in definition: {0}'.format(only_in_definition)
raise InvalidApi(message)
def _arity(self, f):
'''
Return number of non-default position alrguments, if callable.
'''
if not callable(f):
return None
signature = getsignature(f)
parameters = signature.parameters.values()
positionals = [parameter
for parameter
in parameters
if parameter.kind == Parameter.POSITIONAL_OR_KEYWORD and
parameter.default == Parameter.empty]
return len(positionals)
def get_function_arg_names(func):
if __new_inspection:
return list(getsignature(func).parameters.keys())
else:
return getsignature(func).args
def get_function_arg_names(func):
return list(getsignature(func).parameters.keys())
def get_function_arg_names(func):
if __new_inspection:
return list(getsignature(func).parameters.keys())
else:
return getsignature(func).args