我有一个Python的谷歌应用程序引擎项目结构如下:导入跨模块在谷歌应用程序引擎
app/
handlers/
register_user.py
models/
user.py
的user.py
文件包含一个类User(ndb.Model)
。
我试图从register_user.py
访问User
类来创建数据库并将新用户放入数据库。通常情况下,我只希望导入这样的:
from ..models.user import User
但这样的错误,因为我想从我的根包以上进口的东西 - 所以我猜模特是我的根包,我可以没有回到app
包?
现在,我能够通过导入这样来解决它:
import importlib
User = importlib.import_module('models.user').User
我觉得这是一种杂乱,虽然。那么导入我的用户类的“正确”方式是什么?
编辑:完整的堆栈跟踪:
Attempted relative import beyond toplevel package (/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py:1552)
Traceback (most recent call last):
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1535, in __call__
rv = self.handle_exception(request, response, e)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1529, in __call__
rv = self.router.dispatch(request, response)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1278, in default_dispatcher
return route.handler_adapter(request, response)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1102, in __call__
return handler.dispatch()
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 572, in dispatch
return self.handle_exception(e, self.app.debug)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 570, in dispatch
return method(*args, **kwargs)
File "/base/data/home/apps/s~polly-chat/1.394430414829237783/main.py", line 48, in post
receive_message(messaging_event)
File "/base/data/home/apps/s~polly-chat/1.394430414829237783/messaging/handler.py", line 39, in receive_message
intent_picker.respond_to_postback(messaging_event)
File "/base/data/home/apps/s~polly-chat/1.394430414829237783/messaging/intent_picker.py", line 71, in respond_to_postback
intent = importlib.import_module('intents.register_user')
File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/base/data/home/apps/s~polly-chat/1.394430414829237783/intents/register_user.py", line 1, in <module>
from ..models import messenger_user
ValueError: Attempted relative import beyond toplevel package
(这里的包名不同,我简化他们上面让这个例子更普遍)
请发布您正在追踪的追踪**全文**。 – MattDMo
我不确定我是否理解,但是如果从models.user导入用户' –
@ joelgoldstick会发生什么? –