def post(self, post_id): comment_text = self.request.get('comment') #comments can't be empty if not comment_text: self.response.out.write(json.dumps({'err_msg': True})) return key = db.Key.from_path('Post', int(post_id)) post = self.get_post(key) comment = Comment(user = self.user, post = post, comment = comment_text) comment.put() self.response.out.write(comment.render(self.user))