webhooks.py 文件源码

def _safe_index_json(json_, key, warning_message):
    """
    Safely index the given JSON object

    :param json_: JSON object
    :param key: Key to inspect in JSON object
    :param warning_message: Warning message to log if key is missing
    :returns: None if not found or value at key
    """

    try:
        return json_[key]
    except KeyError:
        app.logger.warning('%s, json:%s', warning_message,
                           json.dumps(request.json))
        return None