'Return all identifiers this parser represents. (for packs)'

@property
def identifiers(self):

    if (not self.valid):
        raise Exception(u'Series    flagged    invalid')
    if (self.id_type == u'ep'):
        if self.season_pack:
            return [(u'S%02d' % self.season)]
        return [(u'S%02dE%02d' % (self.season, (self.episode + x))) for x in range(self.episodes)]
    elif (self.id_type == u'date'):
        return [self.id.strftime(u'%Y-%m-%d')]
    if (self.id is None):
        raise Exception(u'Series    is    missing    identifier')
    else:
        return [self.id]
