pip is a package management system used to install and manage software packages written in Python. Many packages can be found in the default source for packages and their dependencies — Python Package Index (PyPI).

List all installed modules

pip list

Install module of a particular version

pip install [module]==[version]

# For example:
pip install urllib3==1.21.1

Install module

pip install [module]

Show details of a module

pip show [module]

Uninstall a module

pip uninstall [module]

Update a module

pip install --upgrade [module]

References

• 029 Python语法之pip与源码安装
• pip (package manager) - wikipedia