python program as a command-line tool in linux

Question

This is my program folder example:

program_name
  main.py
  lib.py
  options.py

I want to launch it like this: program_name args [options] from anywhere in my Linux os.

Now I already did all the args/options stuff inside my code but actually, I have to cd into the folder and launch the file like python3 main.py args [options]

There is a way to do it? Please don't say things like chmod +x #/bin/python for./filename or alias stuff related I read all those articles. I need it to works on boots too. I studied something for program paths like /usr/local but I never tried. Did anyone never try that? Or have any solution?

Answer 1

I don't know if that is what you are searching for, but you could just symlink it to your /usr/local/bin like you said, it's safe. Here's some explainations about where you should symlink in the answer of this post https://unix.stackexchange.com/questions/116508/adding-to-path-vs-linking-from-bin

I also don't understand why an alias in your.bashrc can't do the trick, it would be easier, but you probably have your reasons.