Is it possible to have a separate lib and src directory in Python?

Question

I'm writing a program with a client and a server and I'm trying to organise my source files in an intuative way. I've got this rough file structure:

src:  
    client:  
        client.py  
    server:  
        server.py

lib:
    clientlib:
        client_depend.py
    serverlib:
        server_depend.py
    commonlib:
        both_depend.py

Previously, I was using the methods which described in this SO Post but the number of sys.path.append("../..")s has gotten out of hand and is in danger of breaking if I move any files about.

What would be a neat and pythonic way to do this? I've thought about making lib a package and putting it in $(PYTHONDIR)/Lib/site-packages but that adds complexity to development (as it's a root owned dir and it's not on my USB drive that I use for development so I can change computers easily).

Thanks in advance.

@scicyb thank you, is that a file in the same dir that my python file I'm running is in? — Jachdich
– Jachdich, Commented Jan 2, 2020 at 13:14

bastantoine · Accepted Answer · 2020-01-02 13:17:32Z

1

Why not making modules that you could import easily when and where you want?

Like this:

src:
    __init__.py
    client:
        __init__.py
        client.py
    server:
        __init__.py
        server.py

lib:
    __init__.py
    clientlib:
        __init__.py
        client_depend.py
    serverlib:
        __init__.py
        server_depend.py
    commonlib:
        __init__.py
        both_depend.py

Then in client.py, you would just have to do:

from lib.commonlib import both_depend
from lib.clientlib import client_depend

answered Jan 2, 2020 at 13:17

bastantoine

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2 Comments

Jachdich Over a year ago

Hang on a sec, doesn't seem to be working: ModuleNotFoundError: No module named 'lib'. Do I need to add the lib dir to my PATH (or more specifically my sys.path)?

bastantoine Over a year ago

Well I think you need to add either the lib folder or the entire folder of your project to the sys.path so that Python would be able to search for the lib module.

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