Python Skill

1. Python-specific Rules

• NEVER: Do not add shebang lines (#!/usr/bin/env python3)
• NEVER: Do not set execute permission on Python files
• YOU MUST: Always execute with explicit python command

2. Virtual Environment Usage

2.1. When uv.lock Exists

Use uv to execute Python commands:

uv run dbt debug --profiles-dir ~/.dbt --no-use-colors

2.2. When poetry.lock Exists

Create virtual environment with uv referring to the blog article:

• https://i9wa4.github.io/blog/2025-06-08-create-uv-venv-with-poetry-pyproject-toml.html

2.3. When uv.lock Does Not Exist

1. Activate the virtual environment

   source .venv/bin/activate
   

2. Execute Python commands

   dbt debug --profiles-dir ~/.dbt --no-use-colors