python: add qemu package installer
Add setup.cfg and setup.py, necessary for installing a package via
pip. Add a ReST document (PACKAGE.rst) explaining the basics of what
this package is for and who to contact for more information. This
document will be used as the landing page for the package on PyPI.
List the subpackages we intend to package by name instead of using
find_namespace because find_namespace will naively also packages tests,
things it finds in the dist/ folder, etc. I could not figure out how to
modify this behavior; adding allow/deny lists to setuptools kept
changing the packaged hierarchy. This works, roll with it.
I am not yet using a pyproject.toml style package manifest, because
"editable" installs are not defined (yet?) by PEP-517/518.
I consider editable installs crucial for development, though they have
(apparently) always been somewhat poorly defined.
Pip now (19.2 and later) now supports editable installs for projects
using pyproject.toml manifests, but might require the use of the
--no-use-pep517 flag, which somewhat defeats the point. Full support for
setup.py-less editable installs was not introduced until pip 21.1.1:
https://github.com/pypa/pip/pull/9547/commits/7a95720e796a5e56481c1cc20b6ce6249c50f357
For now, while the dust settles, stick with the de-facto
setup.py/setup.cfg combination supported by setuptools. It will be worth
re-evaluating this point again in the future when our supported build
platforms all ship a fairly modern pip.
Additional reading on this matter:
https://github.com/pypa/packaging-problems/issues/256
https://github.com/pypa/pip/issues/6334
https://github.com/pypa/pip/issues/6375
https://github.com/pypa/pip/issues/6434
https://github.com/pypa/pip/issues/6438
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-id: 20210527211715.394144-11-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-05-28 00:16:54 +03:00
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QEMU Python Tooling
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===================
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This package provides QEMU tooling used by the QEMU project to build,
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configure, and test QEMU. It is not a fully-fledged SDK and it is subject
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to change at any time.
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Usage
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-----
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The ``qemu.qmp`` subpackage provides a library for communicating with
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QMP servers. The ``qemu.machine`` subpackage offers rudimentary
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facilities for launching and managing QEMU processes. Refer to each
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package's documentation
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(``>>> help(qemu.qmp)``, ``>>> help(qemu.machine)``)
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for more information.
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Contributing
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------------
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This package is maintained by John Snow <jsnow@redhat.com> as part of
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the QEMU source tree. Contributions are welcome and follow the `QEMU
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patch submission process
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<https://wiki.qemu.org/Contribute/SubmitAPatch>`_, which involves
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sending patches to the QEMU development mailing list.
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John maintains a `GitLab staging branch
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<https://gitlab.com/jsnow/qemu/-/tree/python>`_, and there is an
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official `GitLab mirror <https://gitlab.com/qemu-project/qemu>`_.
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Please report bugs on the `QEMU issue tracker
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<https://gitlab.com/qemu-project/qemu/-/issues>`_ and tag ``@jsnow`` in
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the report.
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2021-05-28 00:17:10 +03:00
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Optional packages necessary for running code quality analysis for this
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package can be installed with the optional dependency group "devel":
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``pip install qemu[devel]``.
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2021-05-28 00:17:12 +03:00
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``make develop`` can be used to install this package in editable mode
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(to the current environment) *and* bring in testing dependencies in one
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command.
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``make check`` can be used to run the available tests.
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