How to use the pmxbot.logging.Logger function in pmxbot

def _build_log_id_map(self):
        from . import logging

        if not hasattr(logging.Logger, 'log_id_map'):
            log_db = self.db.database.logs
            logging.Logger.log_id_map = dict(
                (logging.MongoDBLogger.extract_legacy_id(rec['_id']), rec['_id'])
                for rec in log_db.find(projection=[])
            )
        return logging.Logger.log_id_map

def import_(self, message):
        # construct a unique objectid with the correct datetime.
        dt = message['datetime']
        oid_time = storage.bson.objectid.ObjectId.from_datetime(dt)
        # store the original sqlite object ID in the
        orig_id = message.pop('id')
        orig_id_packed = struct.pack('>Q', orig_id)
        oid_new = oid_time.binary[:4] + orig_id_packed
        oid = storage.bson.objectid.ObjectId(oid_new)
        if not hasattr(Logger, 'log_id_map'):
            Logger.log_id_map = dict()
        Logger.log_id_map[orig_id] = oid
        message['_id'] = oid
        message['datetime'] = self._fmt_date(dt)
        self.db.insert(message)

def where(channel, nick, rest):
    "When did pmxbot last see  speak?"
    onick = rest.strip()
    last = Logger.store.last_seen(onick)
    if last:
        tm, chan = last
        tmpl = "I last saw {onick} speak at {tm} in channel #{chan}"
        return tmpl.format(tm=tm, chan=chan, onick=onick)
    else:
        return "Sorry!  I don't have any record of %s speaking" % onick

def import_(self, message):
        # construct a unique objectid with the correct datetime.
        dt = message['datetime']
        oid_time = storage.bson.objectid.ObjectId.from_datetime(dt)
        # store the original sqlite object ID in the
        orig_id = message.pop('id')
        orig_id_packed = struct.pack('>Q', orig_id)
        oid_new = oid_time.binary[:4] + orig_id_packed
        oid = storage.bson.objectid.ObjectId(oid_new)
        if not hasattr(Logger, 'log_id_map'):
            Logger.log_id_map = dict()
        Logger.log_id_map[orig_id] = oid
        message['_id'] = oid
        message['datetime'] = self._fmt_date(dt)
        self.db.insert(message)