utils.py 文件源码

def __exit__(self, type, value, traceback):
        _, _, _, env_locals = inspect.getargvalues(inspect.currentframe(
        ).f_back)
        prev_env_locals = self.__dict__['_env_locals']
        del self.__dict__['_env_locals']
        for k in env_locals.keys():
            if k not in prev_env_locals:
                self.__setattr__(k, env_locals[k])
                env_locals[k] = self.__getattr__(k)
        return True