setup.py

from setuptools import Command, find_packages, setup
from setuptools.command.install import install as _install
from setuptools.command.sdist import sdist as _sdist
from typing import List


src_dir = '.'
packages = find_packages(src_dir)


class FrontendBuilder(Command):
    user_options = []  # type: List[str]
    description = 'builds the frontend assets using NPM'

    def run(self):
        self.spawn(['npm', 'install'])

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass


class sdist(_sdist):
    def run(self):
        """
        Runs the frontend command *before* packaging everything.
        """
        self.run_command('frontend')
        _sdist.run(self)


class install(_install):
    def run(self):
        """
        Runs the frontend command *after* installing the python package(s).
        """
        _install.run(self)
        self.run_command('frontend')


cmdclass = {
    'sdist': sdist,
    'install': install,
    'frontend': FrontendBuilder,
}

setup(
    name='bounca',
    version='1.0',
    cmdclass=cmdclass,
    entry_points={
        'console_scripts': [
            'djadmin = manage:main'
        ]
    },
    scripts=['manage.py'],
    packages=packages,
    include_package_data=True,
    license='proprietary',
    classifiers=[
        'Private :: Do Not Upload',
        'License :: Other/Proprietary License',
    ],
    zip_safe=False,
)