test_fatoptimizer.py 文件源码

def check_vars(self, code, local_variables, global_variables=None,
                   nonlocal_variables=None,
                   get_node=None):
        tree = compile_ast(code)
        self.assertIsInstance(tree, ast.Module)

        if get_node:
            node = get_node(tree)
        else:
            node = tree.body[0]

        visitor = fatoptimizer.namespace.VariableVisitor("<string>")
        visitor.find_variables(node)
        self.assertEqual(visitor.local_variables, local_variables)
        if global_variables is not None:
            self.assertEqual(visitor.global_variables, global_variables)
        else:
            self.assertEqual(visitor.global_variables, set())
        if nonlocal_variables is not None:
            self.assertEqual(visitor.nonlocal_variables, nonlocal_variables)
        else:
            self.assertEqual(visitor.nonlocal_variables, set())