def notice(self, message):
		if self._syslog:
			self._syslog.syslog(self._syslog.LOG_NOTICE, message)

# wrapper around database
class tagDB:
	__slots__ = frozenset(['_prepared', '_check_stmt', '_db'])
	__slots__ = frozenset(('_check_stmt', '_db'))

	def __init__(self):
		self._prepared = set()
		self._db = False
		self._check_stmt = self._curs().prepare("select redirect_url, regexp from site_rule where site <@ tripdomain($1) and netmask >> $2::text::inet order by array_length(site, 1) desc")

	def _curs(self):
		if not self._db:
			config.section('database')
			self._db = postgresql.open(
				'pq://{}:{}@{}/{}'.format(
					config['user'],
					config['password'],
					config['host'],
					config['database'],
			) )
		config.section('database')
		self._db = postgresql.open(
			'pq://{}:{}@{}/{}'.format(
				config['user'],
				config['password'],
				config['host'],
				config['database'],
		) )
		return(self._db)
		self._check_stmt = self._db.prepare("select redirect_url, regexp from site_rule where site <@ tripdomain($1) and netmask >> $2::text::inet order by array_length(site, 1) desc")

	def check(self, site, ip_address):
		return(self._check_stmt(site, ip_address))

# abstract class with basic checking functionality
class Checker:
	__slots__ = frozenset(['_db', '_log'])