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pyproject2setuppy -- a cheap build for pyproject.toml-based systems

Warning

pyproject2setuppy is no longer maintained. Thanks to PEP 517, new Python build systems are sprouting very fast, and every single one of them seems to follow the XKCD#927 principle. Copying all the hacks and adding test cases for all the possible scenarios is simply a humongous amount of work. At this point, I have given up and Gentoo is going to utilize PEP 517 entry points directly.

pyproject2setuppy is a tool to install pyproject.toml-based packages using plain setuptools. It maps the project metadata into setup() call arguments, making it possible to build them without installing the dependency hell of the new build systems.

Supported features

Currently the following build systems are supported:

Only minimal build/install functionality is supported. Dependencies and sdist-related information are not propagated.

Scripts and entry points are not supported at the moment. This is subject to change in the future.

Unlike the upstream build systems, this package has been tested to work correctly both with Python 2.7 and Python 3.4+.

Dependencies

The runtime (and build time, if using setup.py) dependencies are:

  • toml (to read pyproject.toml)
  • setuptools (to provide fully-featured setup.py commands)

Testing

The package provides unittest-compatible test suite. However, due to environment pollution testing needs to happen in subprocesses, e.g. using pytest with pytest-forked plugin:

$ pytest -vv

Testing on Python 2 requires additional compatibility modules installed:

Installation

pyproject2setuppy is using a flit-compliant pyproject.toml. It includes setup.py that uses itself to maintain setuptools compatibility. Note that the latter does not install package's dependencies.

Usage

In order to use pyproject2setuppy to build a pyproject.toml-based project, either copy the included setup.py to the project's directory or call the entry point directly, e.g.:

$ python -m pyproject2setuppy.main build

Copyright

pyproject2setuppy was written by Michał Górny. It is distributed under the terms of the 2-clause BSD license. A copy of the license is included in the COPYING file.

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[DEFUNCT] Cheap builder for pyproject-based build systems

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