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Metadata-Version: 2.1 Name: typing_extensions Version: 4.8.0 Summary: Backported and Experimental Type Hints for Python 3.8+ Keywords: annotations,backport,checker,checking,function,hinting,hints,type,typechecking,typehinting,typehints,typing Author-email: "Guido van Rossum, Jukka Lehtosalo, Łukasz Langa, Michael Lee" <levkivskyi@gmail.com> Requires-Python: >=3.8 Description-Content-Type: text/markdown Classifier: Development Status :: 5 - Production/Stable Classifier: Environment :: Console Classifier: Intended Audience :: Developers Classifier: License :: OSI Approved :: Python Software Foundation License Classifier: Operating System :: OS Independent Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3 :: Only Classifier: Programming Language :: Python :: 3.8 Classifier: Programming Language :: Python :: 3.9 Classifier: Programming Language :: Python :: 3.10 Classifier: Programming Language :: Python :: 3.11 Classifier: Programming Language :: Python :: 3.12 Classifier: Topic :: Software Development Project-URL: Bug Tracker, https://github.com/python/typing_extensions/issues Project-URL: Changes, https://github.com/python/typing_extensions/blob/main/CHANGELOG.md Project-URL: Documentation, https://typing-extensions.readthedocs.io/ Project-URL: Home, https://github.com/python/typing_extensions Project-URL: Q & A, https://github.com/python/typing/discussions Project-URL: Repository, https://github.com/python/typing_extensions # Typing Extensions [](https://gitter.im/python/typing) [Documentation](https://typing-extensions.readthedocs.io/en/latest/#) – [PyPI](https://pypi.org/project/typing-extensions/) ## Overview The `typing_extensions` module serves two related purposes: - Enable use of new type system features on older Python versions. For example, `typing.TypeGuard` is new in Python 3.10, but `typing_extensions` allows users on previous Python versions to use it too. - Enable experimentation with new type system PEPs before they are accepted and added to the `typing` module. `typing_extensions` is treated specially by static type checkers such as mypy and pyright. Objects defined in `typing_extensions` are treated the same way as equivalent forms in `typing`. `typing_extensions` uses [Semantic Versioning](https://semver.org/). The major version will be incremented only for backwards-incompatible changes. Therefore, it's safe to depend on `typing_extensions` like this: `typing_extensions >=x.y, <(x+1)`, where `x.y` is the first version that includes all features you need. ## Included items See [the documentation](https://typing-extensions.readthedocs.io/en/latest/#) for a complete listing of module contents. ## Contributing See [CONTRIBUTING.md](https://github.com/python/typing_extensions/blob/main/CONTRIBUTING.md) for how to contribute to `typing_extensions`.