Can't import module from local folder? "No module named"

Question

I don't find the mistake in the code nor in the call when trying an import test.

My directory structure is the following: (from /home/user1/python_test/)

main.py
Aux/lib1.py
Aux/__init__.py

main.py:

from Aux.lib1 import fun_A

if __name__ == "__main__":
    fun_A()
    print("all done")

Aux/lib1.py:

def fun_A():
    print("A function called")

I'm executing from terminal (python main.py from directory where main.py is), maybe is there a need to set pythonpath? I don't recall the need before, I've made some python programs like these some time ago (2/3 years)

I have also tried from .Aux.lib1 import fun_A instead of from Aux.lib1 import fun_A but nothing works. The error is:

  File "main.py", line 1, in <module>
    from Aux.lib1 import fun_A
ImportError: No module named Aux.lib1

Use:os.getcwd() This will show you what is the current directory you are running this code. and use os.chdir('/home/user1/python_test/') To change it — Alfonso
– Alfonso, Commented Oct 7, 2020 at 10:06
It is the same result: os.getcwd() outputs /home/user1/python_test/ — Aurelie Navir
– Aurelie Navir, Commented Oct 7, 2020 at 10:14
The example works perfectly fine on my machine. There must be something else with your Python environment — anddt
– anddt, Commented Oct 7, 2020 at 10:20
uhm, and what could I search to know the problem? It is strange for me too, usually it works without error. — Aurelie Navir
– Aurelie Navir, Commented Oct 7, 2020 at 10:27

soumya-kole · Accepted Answer · 2020-10-07 10:07:25Z

2

Create a blank file with name __init__.py under the folder Aux. Without this file a directory can not be a module.

answered Oct 7, 2020 at 10:07

soumya-kole

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1 Comment

Aurelie Navir Over a year ago

oh, sorry, I didn't mention it, but I also have that file inside Aux/

Aurelie Navir · Accepted Answer · 2020-10-07 10:39:42Z

0

Oh my, It was a super silly mistake. I'm so used to execute inside a virtual environment that I was using python2 by mistake using python main.py. Executing python3 main.py worked for me.

answered Oct 7, 2020 at 10:39

Aurelie Navir

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Altaf R. · Accepted Answer · 2024-02-23 15:10:12Z

0

python or python3 was not working for me. I have solved the problem by putting this line sys.path.insert(0, os.getcwd()) after importing os.

answered Feb 23, 2024 at 15:10

Altaf R.

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