tasks.py 文件源码

def _get_existing_episode_from_database(episode):
        """Retrieves an existing episode from the database.
        An episode is equal if it has the same show, season, episode
        and quality. We store multiple show+season+episode Episodes if
        the quality is different so later on we can decide which
        we want to download and perhaps wait for a better quality episode."""
        try:
            return Episode.select() \
                .where(Episode.show == episode.show) \
                .where(Episode.season == episode.season) \
                .where(Episode.episode == episode.episode) \
                .where(Episode.quality == episode.quality) \
                .get()
        except DoesNotExist:
            return None