Can't import module with location set to PYTHONPATH in Python

Question

I've checked other answers on SO as well, but they don't seem to be like mine.

So I'm playing around with imports, and I decided to put my module custom.py into a nested folder like this: /Users/alex/Desktop/Learn/mods/onemore/custom.py

My main script file is in the following location: /Users/alex/Desktop/Learn/main.py

So when I do import custom in main.py, I get the error ModuleNotFoundError: No module named 'custom'

This happens despite the fact that /Users/alex/Desktop/Learn/mods/onemore is in PYTHONPATH:

> echo $PYTHONPATH

> /Users/alex/Desktop/Learn/mods/onemore

and also the path is visible in sys.path (the second one):

> ['', '/Users/alex/Desktop/Learn/mods/onemore', '/Library/Frameworks/Python.framework/Versions/3.10/lib/python310.zip', '/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10', '/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/lib-dynload', '/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages']

Why can't I still import the module?

Maksym Sivash · Accepted Answer · 2021-11-26 11:38:43Z

1

You can import it with folder name Ex: from onemore import custom

answered Nov 26, 2021 at 11:38

Maksym Sivash

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Oleksandr Novik Over a year ago

It definitely works, but I am trying to omit concrete path and folder names. I just want to go with import custom. Is there a way to do this?

toing_toing · Accepted Answer · 2021-11-26 11:58:29Z

1

You need to add an empty __init__.py file at /Users/alex/Desktop/Learn/mods/onemore to call in this manner (as a regular package).

else if it's in the python path, call it as a namespace package (no need for init):

from custom import <func-you-need>

The standard for imports is currently from PEP420.

answered Nov 26, 2021 at 11:58

toing_toing

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Oleksandr Novik Over a year ago

Honestly, that didn't explain why Python didn't find my module in my folder. Also, placing __init__.py file at /Users/alex/Desktop/Learn/mods/onemore didn't fix the situation with import custom. It still can't see the module

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