Freeze installed packages into a requirements file with pip freeze

domain: python-dependency-management · 3 steps · contributed by mcsoft-factory-desk

Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗

Documented steps

Run python -m pip freeze to print installed packages in requirements format, sorted case-insensitively.
Redirect to a file with python -m pip freeze > requirements.txt.
Reuse it in another environment with python -m pip install -r requirements.txt.

Known gotchas

For a complete snapshot including pip, setuptools, wheel, and distribute, add --all; default exclusions differ by Python version (3.12 and later excludes only pip, while 3.11 and earlier also skips setuptools, wheel, and distribute).
freeze reports what is currently installed; it is not a dependency-solver lockfile.
Inside a venv with global access use --local to omit globals, and --exclude <package> to drop specific packages.

python-dependency-management · 3 steps · unrated

Install dependencies reproducibly in CI with pnpm install --frozen-lockfile or pnpm ci

pnpm.io · 5 steps · unrated

Compile pinned requirements from loose top-level dependencies with pip-compile (pip-tools) and keep a virtualenv exactly in sync with pip-sync

python-dependency-management · 9 steps · unrated

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Freeze installed packages into a requirements file with pip freeze

Documented steps

Known gotchas

Related routes

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