philiprehberger-changelog-gen 0.1.9

Git-based changelog generator from conventional commits

philiprehberger-changelog-gen

Git-based changelog generator from conventional commits.

Installation

pip install philiprehberger-changelog-gen

Usage

Python API

from philiprehberger_changelog_gen import generate_changelog

changelog = generate_changelog(
    repo_path=".",
    from_tag="v0.1.0",
    version="0.2.0",
)

# Print markdown
print(changelog.to_markdown())

# Write to file (prepend to existing)
changelog.write("CHANGELOG.md", mode="prepend")

CLI

# Print to stdout
changelog-gen

# From a specific tag
changelog-gen --from v0.1.0 --version 0.2.0

# Write to file
changelog-gen --output CHANGELOG.md --prepend

Conventional Commits

The generator parses conventional commit messages:

feat: add user authentication
fix(auth): handle expired tokens
feat!: redesign API (breaking change)
chore: update dependencies

Commits are grouped by type: Features, Bug Fixes, Performance, Refactoring, Documentation, Tests, Chores, CI/CD, Build, Style.

Output Example

## 0.2.0 (2026-03-10)

### Breaking Changes

- **api:** redesign authentication flow

### Features

- add user dashboard
- **auth:** add OAuth2 support

### Bug Fixes

- **db:** fix connection pool leak

API

Function / Class	Description
generate_changelog(repo_path, from_tag, to_ref, version, include_types, exclude_types)	Generate a changelog from git history between tags/refs
Changelog	Generated changelog content with to_markdown() and write(path, mode) methods
CommitEntry	A parsed conventional commit (hash, type, scope, message, breaking, date, author)
main()	CLI entrypoint for command-line usage

Development

pip install -e .
python -m pytest tests/ -v

License

MIT