py package code example

Example 1: how to install packages inside thepython script

import sys
import subprocess

# implement pip as a subprocess:
subprocess.check_call([sys.executable, '-m', 'pip', 'install', 
'<packagename>'])

Example 2: python upload to pip

1. Create files:
    __init__.py   setup.py   README.md   LICENSE
2. Check for setuptools and wheel:
    pip install --user --upgrade setuptools wheel
3. Generate package:
    py setup.py sdist bdist_wheel
4. Upload to pip:
    twine upload dist/*

Example 3: package in python

A package is basically a directory with Python files and a file with the name __init__.py