ways-to-run-python.md

ways to run Python code

before install

1. python script.py
2. python -m module # it runs code from __main__.py
3. python -m module.submodule # it runs module directly - module/submodule.py

after install

1. python -m module # after install available system-wide
2. python -c "from module import run;run()"
3. entrypoint # after install available system-wide

Linux specific

1. script # specified as script in setup.py, available system-wide

   setup.py

   from setuptools import setup
   
   setup(
       name="the script",
       version="0.1",
       scripts=["example.py"]
   )

   example.py

   #!/usr/bin/env python3
   print('this is example of how scripts defined in setup.py work on Linux :)')

   install & usage

   python setup.py  # install
   example  # system wide usage

2. script # after .deb creation & install, available system-wide