bashANYrequirementsinstall
bash
python -m pip install -r requirements.txtCommon project bootstrap command for development or deployment.
pip Install and Dependencies Cheat Sheet
Dependency installation patterns with pip, including constraints, editable installs, extras, local paths, VCS installs, and resolver control.
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Requirements Files
Write frozen versions to requirements.txt
Generate a pinned requirements file from the active environment.
bashANYfreezerequirementspinning
bash
python -m pip freeze > requirements.txtProduces exact installed versions for reproducible installs.
bashANYconstraintsrequirementsresolver
bash
python -m pip install -r requirements.txt -c constraints.txtConstraints restrict versions without necessarily declaring top-level requirements.
bashANYrequirementsdevelopmentinstall
bash
python -m pip install -r requirements.txt -r requirements-dev.txtUseful when splitting runtime and development dependencies.
Extras, Editable, and Local Installs
bashANYeditablelocaldevelopment
bash
python -m pip install -e .Common for local package development. Changes in source are reflected without reinstalling.
Install editable project with extras
Install a project in editable mode with optional dependency groups.
bashANYeditableextrasdevelopment
bash
python -m pip install -e ".[dev]"Great for local development setups that need test or lint dependencies.
bashANYextrasoptional-dependencies
bash
python -m pip install "requests[socks]"Extras activate optional dependency sets defined by the package.
bashANYlocal-pathinstall
bash
python -m pip install ./my-packageUseful for local monorepo or package development workflows.
bashANYwheellocal-file
bash
python -m pip install ./dist/*.whlHelpful when testing freshly built artifacts locally.
VCS and Direct URLs
bashANYgitvcsdirect-url
bash
python -m pip install git+https://github.com/pallets/click.gitGood for unreleased code or internal repos exposed via Git.
bashANYgitversionsvcs
bash
python -m pip install git+https://github.com/pallets/click.git@8.1.7Pinning a ref improves reproducibility versus floating branches.
bashANYurlarchiveinstall
bash
python -m pip install https://files.pythonhosted.org/packages/.../package.whlUseful for direct artifacts and private file endpoints.
Resolver and Platform Controls
bashANYupgraderesolver
bash
python -m pip install --upgrade --upgrade-strategy eager fastapiCan help bring an environment fully up to date, but may cause larger dependency changes.
bashANYbinarywheelsresolver
bash
python -m pip install --only-binary pandas pandasUseful when builds from source are slow or unavailable in CI.
Resolve for a target platform and Python
Download distributions for another platform or interpreter version.
bashANYplatformpython-versiondownload
bash
python -m pip download --platform manylinux2014_x86_64 --python-version 311 --only-binary=:all: numpyOften used when building deploy artifacts for another runtime environment.
bashANYtargetvendorinstall
bash
python -m pip install --target ./vendor requestsUseful for zip apps, lambdas, or vendored packaging layouts.
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