# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html # For details: https://github.com/PyCQA/pylint/blob/main/LICENSE # Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt from astroid import nodes from pylint.checkers import utils from pylint.checkers.base.basic_checker import _BasicChecker class PassChecker(_BasicChecker): """Check if the pass statement is really necessary.""" msgs = { "W0107": ( "Unnecessary pass statement", "unnecessary-pass", 'Used when a "pass" statement that can be avoided is encountered.', ) } @utils.only_required_for_messages("unnecessary-pass") def visit_pass(self, node: nodes.Pass) -> None: if len(node.parent.child_sequence(node)) > 1 or ( isinstance(node.parent, (nodes.ClassDef, nodes.FunctionDef)) and node.parent.doc_node ): self.add_message("unnecessary-pass", node=node)