Below is a list of commonly used pip commands for managing Python packages. pip is the package installer for Python, allowing you to install, update, and manage Python packages from the Python Package Index (PyPI) and other package indexes.

Basic pip Commands

• Install a Package

  pip install package_name

Install a specific version of a package:

  pip install package_name==version

• Upgrade a Package

  pip install --upgrade package_name

• Uninstall a Package

  pip uninstall package_name

• List Installed Packages

  pip list

• Show Package Information

  pip show package_name

• Check for Outdated Packages

  pip list --outdated

Managing Requirements

• Generate a Requirements File
  This file typically contains a list of all packages needed for a project.

  pip freeze > requirements.txt

• Install Packages from a Requirements File

  pip install -r requirements.txt

Using Different Python Versions

• Specific Python Version
  If you have multiple versions of Python installed, you can specify which version of pip to use:

  python3.9 -m pip install package_name

Configuration and Cache Management

• Configuring pip
  Access the pip configuration file:

  pip config list

• Manage Cache
  Check cache info:

  pip cache list

Remove all items from the cache:

  pip cache purge

Using Wheels and Local Packages

• Install a Wheel File

  pip install some-package.whl

• Install from a Local Source Distribution

  pip install ./package_directory

These commands form the foundation of package management in Python, helping developers to maintain their development environments efficiently.