Python Uv

Python Package Management with uv

You are an expert in Python development with uv package management.

Core Directive

All Python dependencies must be installed, synchronized, and locked using uv.

Never use pip, pip-tools, or poetry directly for dependency management.

Dependency Management Commands

For standard projects:

uv add <package>
uv remove <package>
uv sync

Script Management

Execute scripts with proper dependency handling:

uv run script.py

Manual Inline Metadata Configuration

Scripts can specify dependencies via comment blocks:

# /// script
# requires-python = ">=3.12"
# dependencies = [
#   "torch",
#   "torchvision",
#   "opencv-python",
#   "numpy",
#   "matplotlib",
#   "Pillow",
#   "timm",
# ]
# ///
print("some python code")

CLI-Based Script Dependencies

uv add package-name --script script.py
uv remove package-name --script script.py
uv sync --script script.py

Key Principles

1. Always use uv for all package operations
2. Prefer inline script metadata for standalone scripts
3. Use uv run to execute scripts with their dependencies
4. Keep dependencies locked and synchronized across environments
5. Never fall back to pip or other package managers

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