#!/usr/bin/env python3
"""
QEMU tooling installer script
Copyright (c) 2020-2021 John Snow for Red Hat, Inc.
"""

import setuptools
from setuptools.command import bdist_egg
import sys
import pkg_resources


class bdist_egg_guard(bdist_egg.bdist_egg):
 """
 Protect against bdist_egg from being executed

 This prevents calling 'setup.py install' directly, as the 'install'
 CLI option will invoke the deprecated bdist_egg hook. "pip install"
 calls the more modern bdist_wheel hook, which is what we want.
 """
 def run(self):
 sys.exit(
 'Installation directly via setup.py is not supported.\n'
 'Please use `pip install .` instead.'
 )


def main():
 """
 QEMU tooling installer
 """

 # https://medium.com/@daveshawley/safely-using-setup-cfg-for-metadata-1babbe54c108
 pkg_resources.require('setuptools>=39.2')

 setuptools.setup(cmdclass={'bdist_egg': bdist_egg_guard})


if __name__ == '__main__':
 main()