def _get_sessions_in_a_conference(self, websafe_key):
"""Given a request with a websafeConferenceKey, returns all the sessions in the Conference"""
# get an ndbKey from the webkey
try:
ndbKey = ndb.Key(urlsafe=websafe_key)
except Exception as a:
# key is not a valid ndbKey
raise endpoints.NotFoundException(
'No conference found with key: %s' % websafe_key)
# get the Conference object
conf = ndbKey.get()
if not conf:
raise endpoints.NotFoundException(
'No conference found with key: %s' % websafe_key)
return Session.get_sessions_by_conference(ndbKey)
