def check_arguments_count(self, node: AnyFunctionDefAndLambda) -> None:
"""Checks the number of the arguments in a function."""
has_extra_arg = 0
if functions.is_method(getattr(node, 'function_type', None)):
has_extra_arg = 1
arguments = functions.get_all_arguments(node)
self.arguments[node] = len(arguments) - has_extra_arg
def _check_bound_methods(self, node: types.AnyFunctionDef) -> None:
node_context = get_context(node)
if not isinstance(node_context, ast.ClassDef):
return
if len(get_all_arguments(node)) == 0:
self.add_violation(
MethodWithoutArgumentsViolation(node, text=node.name), )
if node.name in constants.MAGIC_METHODS_BLACKLIST:
self.add_violation(BadMagicMethodViolation(node, text=node.name))
def check_function_signature(self, node: AnyFunctionDefAndLambda) -> None:
arguments = functions.get_all_arguments(node)
is_lambda = isinstance(node, ast.Lambda)
for arg in arguments:
should_check_argument = functions.is_first_argument(
node, arg.arg,
) and not is_lambda
self.check_name(
arg, arg.arg, is_first_argument=should_check_argument,
)
def visit_any_function(self, node: AnyFunctionDef) -> None:
"""Checks function parameters indentation."""
self._check_indentation(node, get_all_arguments(node))
self.generic_visit(node)
def check_arguments_count(self, node: AnyFunctionDefAndLambda) -> None:
"""Checks the number of the arguments in a function."""
self.arguments[node] = len(functions.get_all_arguments(node))