> I am not sure if I misunderstand something or if the documentation is
> inconsistent.
> The PythonPolicy
> https://www.debian.org/doc/packaging-manuals/python-policy/
> tells me that dh_python should be the preferred tool for packaging
> (https://www.debian.org/doc/packaging-manuals/python-policy/#versions)
> But the LibraryStyleGuide
> https://wiki.debian.org/Python/LibraryStyleGuide
> tells me it is pybuild
> (https://wiki.debian.org/Python/LibraryStyleGuide#Overview).
> And the DPT policy
> https://salsa.debian.org/python-team/tools/python-modules/-/blob/master/policy.rst
> tells me something about git-buildpackage and gbp.

the three components work together, or better, are used at different

* git-buildpackage (which is the same as gbp) is used to manage the
  sources of your package in git

* pybuild is the toolchain that does the building process itself, and
  knows how to run setup.py or other tools, etc.

* dh_python is the debhelper chain, the glue between the package
  building process and pybuild

dh_python can use several different build systems, of which pybuild is
the preferred one. When debhelper calls, e.g. dh_auto_build,
dh_auto_build calls all chains that support the build
target. dh_python does, so it is called, and in turn calls pybuild to
do its magic of figuring out how to do the build for your specific
package at hand.


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