Python modules import problem: import statement in different location

user_5694214 0
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Here's my folder structure:

main.py
tools/
  sub1.py
  sub2.py

where main.py:

import tools.sub1
import tools.sub2

and sub1.py:

a = 'abc'

and sub2.py (directly import sub1 is not working, is it because I am running main.py from the root directory?):

import tools.sub1
print(tools.sub1)

from here, I knew that in order to correctly call sub1, sub2 from main, we have to add the statement import tools.sub1 in sub2, however, if I want to run sub2 individually, error occurs

Traceback (most recent call last):
  File "sub2.py", line 1, in <module>
    import tools.sub1 as sub1
ModuleNotFoundError: No module named 'tools'

So, My question is that is it possible to directly run sub2 individually, while keeping the current design that we can properly run main.py?. Thanks in advance.

import python
2 Answers
user_15033850

You can do this by making tools a python module. Adding an __init__.py file (can be empty) in your tools directory will make Python consider the "tools" folder a module. You can then reference sub1 from both main.py and sub2.py with:

from tools import sub1
user_37181490
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