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python-env

@0xDarkMatter/claude-mods
1
0

Fast Python environment management with uv (10-100x faster than pip). Triggers on: uv, venv, pip, pyproject, python environment, install package, dependencies.

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SKILL.md

name python-env
description Fast Python environment management with uv (10-100x faster than pip). Triggers on: uv, venv, pip, pyproject, python environment, install package, dependencies.
compatibility Requires uv CLI tool. Install: curl -LsSf https://astral.sh/uv/install.sh | sh
allowed-tools Bash
depends-on
related-skills

Python Environment

Fast Python environment management with uv.

Quick Commands

Task Command
Create venv uv venv
Install package uv pip install requests
Install from requirements uv pip install -r requirements.txt
Run script uv run python script.py
Show installed uv pip list

Virtual Environment

# Create venv (instant)
uv venv

# Create with specific Python
uv venv --python 3.11

# Activate (or use uv run)
source .venv/bin/activate  # Unix
.venv\Scripts\activate     # Windows

Package Installation

# Single package
uv pip install requests

# Multiple packages
uv pip install flask sqlalchemy pytest

# With extras
uv pip install "fastapi[all]"

# Version constraints
uv pip install "django>=4.0,<5.0"

# Uninstall
uv pip uninstall requests

Minimal pyproject.toml

[project]
name = "my-project"
version = "0.1.0"
requires-python = ">=3.10"
dependencies = [
    "httpx>=0.25",
    "pydantic>=2.0",
]

[project.optional-dependencies]
dev = [
    "pytest>=7.0",
    "ruff>=0.1",
]

Project Setup Checklist

mkdir my-project && cd my-project
uv venv
# Create pyproject.toml
uv pip install -e ".[dev]"
uv pip list

Troubleshooting

Issue Solution
"No Python found" uv python install 3.11
Wrong Python version uv venv --python 3.11
Conflicting deps uv pip compile --resolver=backtracking
Cache issues uv cache clean

When to Use

  • Always use uv over pip for speed
  • Creating virtual environments
  • Installing packages
  • Managing dependencies
  • Running scripts in project context

Additional Resources

For detailed patterns, load:

  • ./references/pyproject-patterns.md - Full pyproject.toml examples, tool configs
  • ./references/dependency-management.md - Lock files, workspaces, private packages
  • ./references/publishing.md - PyPI publishing, versioning, CI/CD

See Also

This is a foundation skill with no prerequisites.

Build on this skill:

  • python-typing-patterns - Type hints for projects
  • python-pytest-patterns - Testing infrastructure
  • python-fastapi-patterns - Web API development