Fix build to avoid duplicate files in wheel #402
Merged
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Fix the build system to package pure Python files
via distutils/setuptools, and limit CMake to installing the compiled
extension.
The prior logic has installed some of the .py files both via setuptools
and via CMake, to different build directories. As a result,
the resulting wheel contained duplicate files, e.g.:
Duplicate files cause the wheel to be rejected by the installer package.
After the change, a correct wheel is generated. Installation works
both via PEP517/wheel and via legacy
setup.py install
.