Python venv + pip Cheat Sheet

python -m pip install -r requirements.txt

# Install project dependencies from requirements.txt.

python -m pip install -r requirements-dev.txt

# Install a second requirements file for dev-only tools.

python -m pip freeze > requirements.txt

# Freeze the current environment to a file.

diff -u requirements.txt <(python -m pip freeze)

# Diff the current environment snapshot against a file.

python -m pip install --no-deps mypackage

# Install a package while skipping dependency resolution.

python -m pip install --require-hashes -r requirements.txt

# Require pinned hashes during install.

python -m pip install -e .

# Install the current project in editable mode.

python -m pip install -e ".[dev]"

# Install development extras from pyproject or setup metadata.

python -m pip install dist/my_package-0.1.0-py3-none-any.whl

# Install a local built wheel into the venv.

python -m pip install dist/my_package-0.1.0.tar.gz

# Install a local source distribution file.

python -m pip wheel -r requirements.txt -w ./wheelhouse

# Create wheel artifacts for dependencies.

python -m pip install --no-index --find-links=./wheelhouse -r requirements.txt

# Install using local artifacts and no package index.

python -m pip cache dir

# Print where pip caches downloaded artifacts.

python -m pip cache purge

# Clear the local pip cache.

python -m pip show urllib3

# Display metadata and install location for a package.

python -m pip list --outdated

# Show packages with newer available versions.

python -m pip debug

# Print pip environment diagnostics.

python -c "import sys; print('
'.join(sys.path))"

# Show sys.path for the active environment.

python -c "import requests; print(requests.__version__)"

# Check the version of an imported module at runtime.