# Managing Python Releases

Manages Python library releases including semantic versioning, changelog maintenance...

- Repository: https://github.com/kajisho5/ffmpeg-skill (4279 stars)
- Category: Git and review
- License: MIT
- Last updated: 2026-10-31
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add kajisho5/ffmpeg-skill --skill managing-python-releases -g -a claude-code -y`
Codex: `npx skills add kajisho5/ffmpeg-skill --skill managing-python-releases -g -a codex -y`
Cursor: `npx skills add kajisho5/ffmpeg-skill --skill managing-python-releases -g -a cursor -y`
Gemini CLI: `npx skills add kajisho5/ffmpeg-skill --skill managing-python-releases -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add kajisho5/ffmpeg-skill`

## Description

Manages Python library releases including semantic versioning, changelog maintenance (Keep a Changelog format), release automation with GitHub Actions, and deprecation workflows. Use when planning releases, writing changelogs, automating release pipelines, or communicating breaking changes.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Release Management

## Semantic Versioning

```
MAJOR.MINOR.PATCH (e.g., 1.2.3)

PATCH: Bug fixes, no API changes
MINOR: New features, backward compatible
MAJOR: Breaking changes
```

## Changelog Format (Keep a Changelog)

```markdown
# Changelog

## [Unreleased]
### Added
- New `batch_encode()` function

## [1.2.0] - 2024-03-15
### Added
- Support for custom formats (#123)

### Fixed
- Edge case at -180 longitude (#145)

### Deprecated
- `old_function()` - use `new_function()` instead

[Unreleased]: https://github.com/user/repo/compare/v1.2.0...HEAD
[1.2.0]: https://github.com/user/repo/releases/tag/v1.2.0
```

**Categories:** Added, Changed, Deprecated, Removed, Fixed, Security

## Version in Code

```python
# src/package/__init__.py
__version__ = "1.2.3"

# Or use importlib.metadata
from importlib.metadata import version
__version__ = version("my-package")
```

## GitHub Actions Release (PyPI example)

A tag-triggered workflow builds and publishes to a registry via trusted
publishing (no stored token) is the general shape, swap the publish step for
whatever registry the project actually uses (PyPI, npm, crates.io, ...):

```yaml
# .github/workflows/release.yml
on:
  push:
    tags: ['v*']

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write      # create the GitHub release
      id-token: write      # trusted publishing (no token)
    steps:
      - uses: actions/checkout@v4
      - uses: astral-sh/setup-uv@v5
      - run: uv build
      - uses: softprops/action-gh-release@v2
        with:
          files: dist/*
      - uses: pypa/gh-action-pypi-publish@release/v1
```

## Deprecation Process

Warn with `stacklevel=2` so the message points at the caller.

```python
import warnings

def old_function():
    """Deprecated: Use new_function() instead."""
    warnings.warn(
        "old_function() deprecated, will be removed in 2.0.0",
        DeprecationWarning,
        stacklevel=2,
    )
    return new_function()
```

The rest: https://github.com/kajisho5/ffmpeg-skill/blob/HEAD/.claude/skills/release-management/SKILL.md