def txn():
org_score_query = queryForAncestorAndOrg(student.key.to_old_key(),
org_key)
org_score = org_score_query.get()
if not org_score:
org_score = GCIOrgScore(parent=student.key.to_old_key(),
org=org_key)
org_score.tasks.append(task.key())
org_score.put()
def txn():
to_put = []
for org_key, tasks in tasks_by_org.iteritems():
query = queryForAncestorAndOrg(student_key, org_key)
org_score = query.get()
if not org_score:
org_score = GCIOrgScore(parent=student_key, org=org_key)
for task in tasks:
org_score.tasks.append(task.key())
to_put.append(org_score)
student = ndb.Key.from_old_key(student_key)
student.student_data.number_of_completed_tasks += len(tasks)
student.put()
db.put(to_put)