'Returns a full show dir/metadata/episode.jpg path for MediaBrowser
episode thumbs.
ep_obj: a TVEpisode object to get the path from'

@staticmethod
def get_episode_thumb_path(ep_obj):

    if ek(os.path.isfile, ep_obj.location):
        tbn_file_name = replace_extension(ek(os.path.basename, ep_obj.location), u'jpg')
        metadata_dir_name = ek(os.path.join, ek(os.path.dirname, ep_obj.location), u'metadata')
        tbn_file_path = ek(os.path.join, metadata_dir_name, tbn_file_name)
    else:
        return None
    return tbn_file_path
