setup.py

from distutils.ccompiler import new_compiler 
from setuptools.command.build_py import build_py
from setuptools import setup
from sysconfig import get_paths 
import shutil
import os
import sys

# We're going to use the package we're installing
# to compile its own standard library.
# Disgusting.
sys.path = ['.'] + sys.path
import vizh.libv
sys.path = sys.path[1:]

build_dir = os.path.join(os.path.dirname(__file__), 'build')

# Force bdist_wheel to build platform-specific wheels (also disgusting)
try:
    from wheel.bdist_wheel import bdist_wheel as _bdist_wheel
    class bdist_wheel(_bdist_wheel):
        def finalize_options(self):
            _bdist_wheel.finalize_options(self)
            self.root_is_pure = False
except ImportError:
    bdist_wheel = None

class BuildLibv(build_py): 
    def run(self):
        build_py.run(self)

        output_dir = f'{self.build_lib}/vizh'
        vizh.libv.compile_libv('libv', output_dir)

setup(
    cmdclass={
        'build_py': BuildLibv,
        'bdist_wheel': bdist_wheel
    }
)