how to upgrade all modules in python code example

Example 1: update all modules python in cmd

import pkg_resources
from subprocess import call

packages = [dist.project_name for dist in pkg_resources.working_set]
call("pip install --upgrade " + ' '.join(packages), shell=True)

Example 2: update every python library

(Do it in windows powershell)

pip freeze | %{$_.split('==')[0]} | %{pip install --upgrade $_}