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================================ Developer's Guide for Setuptools ================================ If you want to know more about contributing on Setuptools, this is the place. ------------------- Recommended Reading ------------------- Please read `How to write the perfect pull request <https://blog.jaraco.com/how-to-write-perfect-pull-request/>`_ for some tips on contributing to open source projects. Although the article is not authoritative, it was authored by the maintainer of Setuptools, so reflects his opinions and will improve the likelihood of acceptance and quality of contribution. ------------------ Project Management ------------------ Setuptools is maintained primarily in GitHub at `this home <https://github.com/pypa/setuptools>`_. Setuptools is maintained under the Python Packaging Authority (PyPA) with several core contributors. All bugs for Setuptools are filed and the canonical source is maintained in GitHub. User support and discussions are done through `GitHub Discussions <https://github.com/pypa/setuptools/discussions>`_, or the issue tracker (for specific issues). Discussions about development happen on GitHub Discussions or the ``setuptools`` channel on `PyPA Discord <https://discord.com/invite/pypa>`_. ----------------- Authoring Tickets ----------------- Before authoring any source code, it's often prudent to file a ticket describing the motivation behind making changes. First search to see if a ticket already exists for your issue. If not, create one. Try to think from the perspective of the reader. Explain what behavior you expected, what you got instead, and what factors might have contributed to the unexpected behavior. In GitHub, surround a block of code or traceback with the triple backtick "\`\`\`" so that it is formatted nicely. Filing a ticket provides a forum for justification, discussion, and clarification. The ticket provides a record of the purpose for the change and any hard decisions that were made. It provides a single place for others to reference when trying to understand why the software operates the way it does or why certain changes were made. Setuptools makes extensive use of hyperlinks to tickets in the changelog so that system integrators and other users can get a quick summary, but then jump to the in-depth discussion about any subject referenced. --------------------- Making a pull request --------------------- When making a pull request, please :ref:`include a short summary of the changes <Adding change notes with your PRs>` and a reference to any issue tickets that the PR is intended to solve. All PRs with code changes should include tests. All changes should include a changelog entry. .. include:: ../../newsfragments/README.rst ------------------- Auto-Merge Requests ------------------- To support running all code through CI, even lightweight contributions, the project employs Mergify to auto-merge pull requests tagged as auto-merge. Use ``hub pull-request -l auto-merge`` to create such a pull request from the command line after pushing a new branch. ------- Testing ------- The primary tests are run using tox. Make sure you have tox installed, and invoke it:: $ tox Under continuous integration, additional tests may be run. See the ``.travis.yml`` file for full details on the tests run under Travis-CI. ------------------- Semantic Versioning ------------------- Setuptools follows ``semver``. .. explain value of reflecting meaning in versions. ---------------------- Building Documentation ---------------------- Setuptools relies on the `Sphinx`_ system for building documentation. The `published documentation`_ is hosted on Read the Docs. To build the docs locally, use tox:: $ tox -e docs .. _Sphinx: https://www.sphinx-doc.org/en/master/ .. _published documentation: https://setuptools.pypa.io/en/latest/ --------------------- Vendored Dependencies --------------------- Setuptools has some dependencies, but due to `bootstrapping issues <https://github.com/pypa/setuptools/issues/980>`_, those dependencies cannot be declared as they won't be resolved soon enough to build setuptools from source. Eventually, this limitation may be lifted as PEP 517/518 reach ubiquitous adoption, but for now, Setuptools cannot declare dependencies other than through ``setuptools/_vendor/vendored.txt`` and ``pkg_resources/_vendor/vendored.txt``. All the dependencies specified in these files are "vendorized" using a simple Python script ``tools/vendor.py``. To refresh the dependencies, run the following command:: $ tox -e vendor
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