Python Kit

Python 3 with uv for fast package management, plus pre-installed development tools.

Activation: Default — added to config on first detection; active when present.

What's Included

• Python 3 (system package)
• uv — fast Python package installer and resolver
• Pre-installed tools: black, ruff, mypy, pytest, ipython, poetry, pipenv
• Build dependencies: python3-dev, python3-pip, python3-venv, libssl-dev, libffi-dev

Configuration

kits:
  python:
    packages:          # additional tools to install via uv
      - pandas
      - numpy

Option	Type	Default	Description
packages	list	[]	Additional Python packages to install via uv tool install (base image if declared in the global config, else the project image)

Sub-Kits

python/uv

Included by default. Provides:

• Pip cache persisted at ~/.cache/pip
• Auto-venv: automatically creates a .venv/ virtual environment on container start if the project has requirements.txt, pyproject.toml, or setup.py

Package Installation

Packages listed in the config are installed with uv tool install during the image build. For runtime dependencies in your project, use uv pip install or pip install inside the container.