domains.py 文件源码

def build_query_params_for_search(self,youtube_api_key,search_string,type_='video'):
        from utils import ret_bracketed_option
        #specify different results by adding order_option in square brackets in the search string.
        stripped_string, order_option=ret_bracketed_option(search_string)  #developer feature: specify the order in search parameter "[date]" etc.
        if order_option:
            if order_option.lower() in['date','rating','relevance','title','videocount','viewcount']:
                log('  youtube search:using special order option [{0}]'.format(order_option))
            else:
                log('  youtube search:unsupported order option [{0}]'.format(order_option))
                order_option='relevance'
                stripped_string=search_string
        else:
            order_option='relevance'

        return  'search', {
                'key': youtube_api_key,
                'fields':'items(kind,id(videoId),snippet(publishedAt,channelTitle,channelId,title,description,thumbnails(medium)))',
                'type': type_,         #video,channel,playlist.
                'maxResults': '50',      # Acceptable values are 0 to 50
                'part': 'snippet',
                'order': order_option, #date,rating,relevance,title,videoCount,viewCount
                'q': stripped_string,
                'safeSearch':'moderate' if hide_nsfw else 'none',
            }