'Return a Python object representing this model'

def rest(self, base_url):

    m = {}
    m['sid'] = self.sid()
    stamp = mktime(self.start.timetuple())
    m['timestamp'] = format_date_time(stamp)
    m['status'] = self.status.rest(base_url)
    m['message'] = unicode(self.message)
    m['url'] = (base_url + self.resource_url())
    if self.informational:
        m['informational'] = self.informational
    else:
        m['informational'] = False
    return m
