def post(self):
snapshot = self.get_uploads("snapshot")
snapshot_key = str(snapshot[0].key()) if snapshot else None
name = self['name']
type = self['type']
description = self['description']
date_time = self['date_time']
duration = int(self['duration'])
link = self['link']
attendees = int(self['attendees'] if self['attendees'] else 0)
Event.get_or_insert(type+date_time, name=name, type=type, description=description, duration=duration, link=link,
date_time=datetime.strptime(date_time,"%Y-%m-%dT%H:%M"), snapshot=snapshot_key, attendees=attendees)
self.redirect("/")