class Command(BasePasterCommand):

    max_args = 1

    min_args = 1

    usage = "CONFIG_FILE"

    group_name = "Kallithea"

    takes_config_file = -1

    parser = BasePasterCommand.standard_parser(verbose=True)

    summary = "Cache keys utils"

    def command(self):

        #get SqlAlchemy session

        self._init_session()

        _caches = CacheInvalidation.query().order_by(CacheInvalidation.cache_key).all()

        if self.options.show:

            for c_obj in _caches:

                print 'key:%s active:%s' % (safe_str(c_obj.cache_key), c_obj.cache_active)

        elif self.options.cleanup:

            for c_obj in _caches:

                Session().delete(c_obj)

                print 'Removing key: %s' % (safe_str(c_obj.cache_key))

        else:

            print 'Nothing done, exiting...'

    def update_parser(self):

        self.parser.add_option(

            '--show',

            action='store_true',

            dest='show',

            help=("show existing cache keys with together with status")

        )

        self.parser.add_option(

            '--cleanup',

            action="store_true",

            dest="cleanup",

            help="cleanup existing cache keys"

        )