drive.py 文件源码

def _call_api(self, method_name, *args, **kwargs):
        wait_sec = 1
        for i in range(7):
            try:
                method = getattr(self, '_api_{}'.format(method_name))
                return method(*args, **kwargs)
            except HttpError as error:
                error = self._create_error(error)

                if error.code == 403 and error.reason == 'userRateLimitExceeded':
                    time.sleep(wait_sec)
                    wait_sec *= 2
                    continue

                error.method = method_name
                error.method_args = args
                error.method_kwargs = kwargs
                error.common_params = self.common_params
                raise error