def create_channel(id):
# create new entry in database for channel with this id, if it doesn't exist
q = Channels.all()
logging.info("id = '%s'"%id)
c = q.filter("id =", id).get()
if c is None:
c = Channels(id = id, msg = [])
else:
# already have such a channel # TODO -- how should we really check that this is not empty!?
logging.info("found one")
c.msg = []
c.put()
return '0'
