spotify.py 文件源码

def title_from_youtube(bot, url):
    try:
        youtube_api_key = bot.config.get_by_path(["spotify", "youtube"])
        youtube_client = build("youtube", "v3", developerKey=youtube_api_key)
    except (KeyError, TypeError) as e:
        logger.error("<b>YouTube API key isn't configured:</b> {}".format(e))
        return ""

    # Regex by mantish from http://stackoverflow.com/a/9102270 to get the
    # video id from a YouTube URL.
    match = re.match(
        r"^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*", url)
    if match and len(match.group(2)) == 11:
        video_id = match.group(2)
    else:
        logger.error("Unable to extract video id: {}".format(url))
        return ""

    # YouTube response is JSON.
    try:
        response = youtube_client.videos().list(    # pylint: disable=no-member
            part="snippet", id=video_id).execute()
        items = response.get("items", [])
        if items:
            return items[0]["snippet"]["title"]
        else:
            logger.error("<b>YouTube response was empty:</b> {}"
                         .format(response))
            return ""
    except YouTubeHTTPError as e:
        logger.error("Unable to get video entry from {}, {}".format(url, e))
        return ""