Requirements Files for Python

In Python, a requirements.txt file is used to keep track of the modules and packages used in a project.

Create a requirements.txt File

pip freeze > requirements.txt

Install Packages from requirements.txt

pip install -r requirements.txt

Maintain a requirements.txt File

See which packages are out of date:

pip list --outdated

Update package(s), as needed:

pip install -U package_name

Generate a new requirements.txt file:

pip freeze > requirements.txt