diff options
-rw-r--r-- | changelog.d/1698.doc.rst | 2 | ||||
-rw-r--r-- | docs/build_meta.txt | 42 |
2 files changed, 22 insertions, 22 deletions
diff --git a/changelog.d/1698.doc.rst b/changelog.d/1698.doc.rst index 9b61fccb..90dc14c1 100644 --- a/changelog.d/1698.doc.rst +++ b/changelog.d/1698.doc.rst @@ -1 +1 @@ -Added documentation for ``build_meta`` (a bare minimum, not completed) +Added documentation for ``build_meta`` (a bare minimum, not completed). diff --git a/docs/build_meta.txt b/docs/build_meta.txt index 4467ddda..67497891 100644 --- a/docs/build_meta.txt +++ b/docs/build_meta.txt @@ -1,5 +1,5 @@ ======================================= -Documentation to setuptools.build_meta +Build System Support ======================================= What is it? @@ -7,16 +7,18 @@ What is it? Python packaging has come `a long way <https://www.bernat.tech/pep-517-518/>`_. -The traditional ``setuptools``'s way of packgaging Python modules +The traditional ``setuptools`` way of packgaging Python modules uses a ``setup()`` function within the ``setup.py`` script. Commands such as ``python setup.py bdist`` or ``python setup.py bdist_wheel`` generate a distribution bundle and ``python setup.py install`` installs the distribution. This interface makes it difficult to choose other packaging tools without an -overhaul. Additionally, the ``setup.py`` scripts hasn't been the most user -friendly tool. +overhaul. Because ``setup.py`` scripts allowed for arbitrary execution, it +proved difficult to provide a reliable user experience across environments +and history. -PEP517 therefore came to rescue and specified a new standard to -package and distribute Python modules. Under PEP517: +`PEP 517 <https://www.python.org/dev/peps/pep-0517/>`_ therefore came to +rescue and specified a new standard to +package and distribute Python modules. Under PEP 517: a ``pyproject.toml`` file is used to specify what program to use for generating distribution. @@ -35,8 +37,8 @@ package and distribute Python modules. Under PEP517: With this standard, switching between packaging tools becomes a lot easier and in the case of ``setuptools``, ``setup.py`` becomes optional. -``build_meta`` is ``setuptools``'s implementation of PEP517. It provides the -two functions, ``build_wheel`` and ``build_sdist``, amongst others and uses +``build_meta`` is ``setuptools``'s implementation of PEP 517. It provides the +two functions, ``build_wheel`` and ``build_sdist`` amongst others, and uses a ``setup.cfg`` to specify the information about the package. How to use it? @@ -58,7 +60,7 @@ setuptools, the content would be:: requires = ["setuptools", "wheel"] build-backend = "setuptools.build_meta" -``setup.cfg`` is used to specify your package information, specified +Use ``setup.cfg`` to specify your package information, specified `here <https://setuptools.readthedocs.io/en/latest/setuptools.html#configuring -setup-using-setup-cfg-files>`_ :: @@ -70,26 +72,24 @@ setuptools, the content would be:: [options] packages = find: -Now it's time to actually generate the distribution. PEP517 specifies two -mandatory functions, ``build_wheel`` and ``build_sdist``, implemented in -this module. Currently, it has to be done in the interpreter:: +Now generate the distribution. Although the PyPA is still working to +`provide a recommended tool <https://github.com/pypa/packaging-problems/issues/219>`_ +to build packages, the `pep517 package <https://pypi.org/project/pep517`_ +provides this functionality. To build the package:: - >>> import setuptools.build_meta - >>> setuptools.build_meta.build_wheel('wheel_dist') - 'meowpkg-0.0.1-py3-none-any.whl' - >>> setuptools.build_meta.build_sdist('sdist') - 'meowpkg-0.0.1.tar.gz' + $ pip install -q pep517 + $ mkdir dist + $ python -m pep517.build . And now it's done! The ``.whl`` file and ``.tar.gz`` can then be distributed and installed:: - ~/newcomputer/ + dist/ meowpkg-0.0.1.whl meowpkg-0.0.1.tar.gz - $ pip install meowpkg-0.0.1.whl + $ pip install dist/meowpkg-0.0.1.whl or:: - $ pip install meowpkg-0.0.1.tar.gz - + $ pip install dist/meowpkg-0.0.1.tar.gz |