python-new-project

Development

Create a new modern Python project using `uv` and src-layout.

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/development/python-new-project/SKILL.md

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Modern Python Project Generator (uv + src-layout)

This skill guides the creation of a new Python project using uv for package management and the src layout for better packaging and testing practices.

Prerequisite

uv installed (uv --version)

Installation

If uv is not installed, install it using the following command (Windows):

irm https://astral.sh/uv/install.ps1 | iex

For other OS, refer to astral.sh/uv.

Directory Structure

The final structure will look like this:

project-name/
├── pyproject.toml      # Project configuration and dependencies
├── README.md
├── .python-version
├── src/
│   └── project_name/   # Actual source code
│       └── __init__.py
└── tests/              # Tests directory

Step-by-Step Instructions

1. Initialize Project

Use uv to initialize a new project with the library/package structure (which uses src layout by default in newer versions or check manually).

# Initialize new project with package structure
uv init __PROJECT_NAME__ --package

2. Verify Structure

Ensure the src directory exists. If uv init created a flat layout (older versions), move the package manually:

cd __PROJECT_NAME__
# If src doesn't exist but a folder with project name does:
# mkdir src
# mv __PROJECT_NAME__ src/

3. Setup Environment

# Sync dependencies and create virtual environment
uv sync

4. Project Configuration (pyproject.toml)

Ensure pyproject.toml includes standard modern metadata. The uv init command should have generated a good starting point. Add common useful dependencies if requested (e.g., ruff, pytest):

uv add --dev ruff pytest

Verification

Run the tests or check imports to ensure src layout is working.

uv run pytest

Parent Hub

_data-ai-mastery

Part of Workflow

This skill is utilized in the following sequential workflows:

_workflow-feature-lifecycle