handler_util.py 文件源码

def enforce_api_rate_limit(action, limit_in_window):
    """Enforces API rate limit.

    Args:
        action: Action name.
        limit_in_window: Maximum number of requests of this action in a window.

    Raises:
        bottle.HTTPError: If the rate limit is exceeded.
    """
    if (FLAGS.enable_load_test_hacks and
            bottle.request.headers.get('X-Load-Test', '') == 'yes'):
        return
    if get_current_user()['organizer']:
        return
    username = get_current_username()
    if (model.record_last_api_access_time(username) <
            FLAGS.api_rate_limit_request_interval):
        bottle.abort(429, 'Rate limit exceeded (per-second limit).')
    count = model.increment_api_rate_limit_counter(username, action)
    if count > limit_in_window:
        bottle.abort(429, 'Rate limit exceeded (per-hour limit).')


# http://flask.pocoo.org/snippets/44/