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contextlib2-21.6.0.dist-info
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Metadata-Version: 2.1 Name: contextlib2 Version: 21.6.0 Summary: Backports and enhancements for the contextlib module Home-page: http://contextlib2.readthedocs.org Author: Nick Coghlan Author-email: ncoghlan@gmail.com License: PSF License Platform: UNKNOWN Classifier: Development Status :: 5 - Production/Stable Classifier: License :: OSI Approved :: Apache Software License Classifier: License :: OSI Approved :: Python Software Foundation License Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.6 Classifier: Programming Language :: Python :: 3.7 Classifier: Programming Language :: Python :: 3.8 Classifier: Programming Language :: Python :: 3.9 Classifier: Programming Language :: Python :: 3.10 Requires-Python: >=3.6 License-File: LICENSE.txt .. image:: https://jazzband.co/static/img/badge.svg :target: https://jazzband.co/ :alt: Jazzband .. image:: https://github.com/jazzband/contextlib2/workflows/Test/badge.svg :target: https://github.com/jazzband/contextlib2/actions :alt: Tests .. image:: https://codecov.io/gh/jazzband/contextlib2/branch/master/graph/badge.svg :target: https://codecov.io/gh/jazzband/contextlib2 :alt: Coverage .. image:: https://readthedocs.org/projects/contextlib2/badge/?version=latest :target: https://contextlib2.readthedocs.org/ :alt: Latest Docs contextlib2 is a backport of the `standard library's contextlib module <https://docs.python.org/3/library/contextlib.html>`_ to earlier Python versions. It also sometimes serves as a real world proving ground for possible future enhancements to the standard library version. Licensing --------- As a backport of Python standard library software, the implementation, test suite and other supporting files for this project are distributed under the Python Software License used for the CPython reference implementation. The one exception is the included type hints file, which comes from the ``typeshed`` project, and is hence distributed under the Apache License 2.0. Development ----------- contextlib2 has no runtime dependencies, but requires ``setuptools`` and ``wheel`` at build time to generate universal wheel archives. Local testing is a matter of running:: python3 -m unittest discover -t . -s test You can test against multiple versions of Python with `tox <https://tox.testrun.org/>`_:: pip install tox tox Versions currently tested in both tox and GitHub Actions are: * CPython 3.6 * CPython 3.7 * CPython 3.8 * CPython 3.9 * CPython 3.10 * PyPy3 Updating to a new stdlib reference version ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ As of Python 3.10, 4 files needed to be copied from the CPython reference implementation to contextlib2: * ``Doc/contextlib.rst`` -> ``docs/contextlib2.rst`` * ``Lib/contextlib.py`` -> ``contextlib2/__init__.py`` * ``Lib/test/test_contextlib.py`` -> ``test/test_contextlib.py`` * ``Lib/test/test_contextlib_async.py`` -> ``test/test_contextlib_async.py`` The corresponding version of ``contextlib2/__init__.pyi`` also needs to be retrieved from the ``typeshed`` project:: wget https://raw.githubusercontent.com/python/typeshed/master/stdlib/contextlib.pyi For the 3.10 sync, the only changes needed to the test files were to import from ``contextlib2`` rather than ``contextlib``. The test directory is laid out so that the test suite's imports from ``test.support`` work the same way they do in the main CPython test suite. The following patch files are saved in the ``dev`` directory: * changes made to ``contextlib2/__init__.py`` to get it to run on the older versions (and to add back in the deprecated APIs that never graduated to the standard library version) * changes made to ``contextlib2/__init__.pyi`` to make the Python version guards unconditional (since the ``contextlib2`` API is the same on all supported versions) * changes made to ``docs/contextlib2.rst`` to use ``contextlib2`` version numbers in the version added/changed notes and to integrate the module documentation with the rest of the project documentation