Dependency management
Pip
| What | How | Details |
|---|---|---|
| Upgrade pip | python -m pip install --upgrade pip | |
| Update all packages | ? | |
Install packages from requirements.txt | pip install -r requirements.txt | |
Generate requirements.txt from used imports only | pigar generate | pipreqs fails for misnamed modules |
Generate requirements.txt from all installed packages | pip freeze > requirements.txt | Great way to bloat your deps list… |
Virtualenv
Venv
Poetry
Package management tool. Manages dependencies, package setup and building using the standardized pyproject.toml file. This replaces the need for setup.py, requirements.txt, MANIFEST.in and Pipfile.*. Poetry isolates the virtualenv from the project.
| What | How | Details |
|---|---|---|
| Start a new Python project | poetry new $pkg | |
| Start a new Python package project | poetry new --src $pkg | |
| Initialize poetry env | poetry init | |
| List available packages | poetry show | |
Install all dependencies as defined in pyproject.toml | poetry install | |
Synchronize the environment with pyproject.toml | poetry install --sync | |
| Add specific packages | poetry add $pkg1 $pkg2 | |
| Add a package for a specific version | poetry add $pkg==1.0.1 | |
| Add a dev package | poetry add -D $pkg | |
| Add git dependency | poetry add git+https://github.com/sdispater/pendulum.git | |
| Add git dependency with version | poetry add git+https://github.com/sdispater/pendulum.git#2.0.5 | |
| Add local dependency | poetry add ./my-package/ | |
| Add local dependency archive | poetry add ../my-package/dist/my-package-0.1.0.tar.gz | |
| Remove packages | poetry remove $pkg1 $pkg2 | |
| Update poetry | poetry self update | |
| Update all packages | poetry update | |
| Update specific packages | poetry update $pkg1 $pkg2 | |
Export environment as requirements.txt | poetry export -f requirements.txt --output requirements.txt |
PDM
Package management tool