builtin_constant_propagation.py 文件源码

def visit_Import(self, node: ast.Import) -> ast.Import:
        const = self.__class__._constants
        for module in node.names:
            if module.name in const and not module.asname:
                for name in const[module.name]:
                    self._add_value(module.name, name, '{}.{}'.format(module.name, name))
        return self.generic_visit(node)