pip-tools

Installation and Setup

Install it from PyPI:

• Windows
• Linux + macOS

(venv) PS> py -m pip install pip-tools

(venv) $ python -m pip install pip-tools

Key Features

• Compiles fully pinned requirements.txt files from requirements.in and can also compile from modern project metadata like pyproject.toml, including extras throuhg --extra.
• Resolves dependencies using pip tooling and generates hash-pinned outputs with --generate-hashes when you want stricter verification.
• Controls upgrades with --upgrade for everything and --upgrade-package for targeted packages.
• Syncs an environment to match the compiled files and removes extraneous packages with pip-sync.
• Supports project defaults via .pip-tools.toml or pyproject.toml configuration under [tool.pip-tools].

Usage

Create an input file that lists only your direct dependencies:

flask
requests

Compile a fully pinned requirements.txt file:

$ pip-compile

Install exactly what is in requirements.txt in other system or environment:

$ pip-sync

Upgrade everything to the latest compatible versions:

$ pip-compile --upgrade
$ pip-sync

Upgrade selected packages only:

$ pip-compile --upgrade-package requests
$ pip-sync

Compile from pyproject.toml and include an extra:

$ pip-compile pyproject.toml --extra dev