operators.py 文件源码

def mutate_Assign(self, node):
        if len(node.targets) > 1:
            raise MutationResign()
        if isinstance(node.targets[0], ast.Name) and self.is_overridden(node, name=node.targets[0].id):
            return ast.Pass()
        elif isinstance(node.targets[0], ast.Tuple) and isinstance(node.value, ast.Tuple):
            return self.mutate_unpack(node)
        else:
            raise MutationResign()