'Read hosts from the existing blocked-hosts file.'

def read_hosts(self):

    self._blocked_hosts = set()
    self._read_hosts_file(self._config_hosts_file, self._config_blocked_hosts)
    found = self._read_hosts_file(self._local_hosts_file, self._blocked_hosts)
    if (not found):
        args = objreg.get('args')
        if ((config.get('content', 'host-block-lists') is not None) and (args.basedir is None) and config.get('content', 'host-blocking-enabled')):
            message.info('Run    :adblock-update    to    get    adblock    lists.')
