如何从同级文件夹导入 Python 模块？
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How to import a Python module from a sibling folder?
提问by Joshua
I have gone through many Python relative import questions but I can't understand the issue/get it to work.
我已经解决了许多 Python 相关的导入问题，但我无法理解这个问题/让它起作用。
My directory structure is:
我的目录结构是：
Driver.py
A/
Account.py
__init__.py
B/
Test.py
__init__.py
Driver.py
Driver.py
from B import Test
Account.py
Account.py
class Account:
def __init__(self):
self.money = 0
Test.py
Test.py
from ..A import Account
When I try to run:
当我尝试运行时：
python Driver.py
I get the error
我收到错误
Traceback (most recent call last):
from B import Test
File "B/Test.py", line 1, in <module> from ..A import Account
ValueError: Attempted relative import beyond toplevel package
采纳答案by David Wolever
This is happening because Aand Bare independent, unrelated, packages as far as Python is concerned.
发生这种情况是因为就 Python 而言A，B它们是独立的、不相关的包。
Create a __init__.pyin the same directory as Driver.pyand everything should work as expected.
__init__.py在同一个目录中创建一个，Driver.py一切都应该按预期工作。
