# pyDeprecate > Simple tooling for marking deprecated functions or classes and re-routing to their successors. Zero dependencies. Python 3.9+. Apache 2.0. ## Facts - **Author**: Jiri Borovec (https://github.com/Borda) - **Import name**: `deprecate` — `from deprecate import deprecated` - **Package name**: `pyDeprecate` - **License**: Apache-2.0 (https://github.com/Borda/pyDeprecate/blob/main/LICENSE) - **Python support**: 3.9+ - **Repository**: https://github.com/Borda/pyDeprecate - **Documentation**: https://borda.github.io/pyDeprecate/ - **PyPI**: https://pypi.org/project/pyDeprecate/ - **Runtime dependencies**: none ## Docs - [Home](https://borda.github.io/pyDeprecate/latest/index.html): Project overview, features, and comparison with other deprecation tools - [Getting Started](https://borda.github.io/pyDeprecate/latest/getting-started.html): Installation, quick start, and API overview - [Use Cases](https://borda.github.io/pyDeprecate/latest/guide/use-cases.html): 13 real-world deprecation patterns with worked examples - [void() Helper](https://borda.github.io/pyDeprecate/latest/guide/void-helper.html): How and when to use the void() sentinel function - [Customization](https://borda.github.io/pyDeprecate/latest/guide/customization.html): Message templates and output redirection to loggers or custom callables - [Audit Tools](https://borda.github.io/pyDeprecate/latest/guide/audit.html): CI/CD enforcement of removal deadlines and deprecation chain detection - [Troubleshooting](https://borda.github.io/pyDeprecate/latest/troubleshooting.html): Common errors and their fixes ## Resources - [PyPI](https://pypi.org/project/pyDeprecate/): Package installation and release history - [GitHub](https://github.com/Borda/pyDeprecate): Source code and issue tracker - [Changelog](https://borda.github.io/pyDeprecate/latest/changelog.html): Release notes and version history ## Optional - [Contributing](https://github.com/Borda/pyDeprecate/blob/main/.github/CONTRIBUTING.md): Contribution guide - [Security](https://github.com/Borda/pyDeprecate/blob/main/.github/SECURITY.md): Security policy - [Sphinx Demo](https://borda.github.io/pyDeprecate/latest/demo-sphinx/index.html): Docstring auto-injection rendered via Sphinx - [MkDocs Demo](https://borda.github.io/pyDeprecate/latest/demo-mkdocs/index.html): Docstring auto-injection rendered via MkDocs