uatt

#!/usr/bin/env python3

import os
import subprocess
import sys


def main():
    FNULL = open(os.devnull, 'w')
    try:
        retcode = subprocess.call(['which', 'apt'], stdout=FNULL)
        if retcode > 0:
            print('Child was terminated by signal' + str(retcode))
        else:
            print('Running apt...')
            _apt()
    except OSError as e:
        print('Execution failed:', e, file=sys.stderr)


def _apt():
    """Run apt"""
    import apt
    cache = apt.cache.Cache()
    cache.update()
    cache.open()

    package_name = "foo"

    pkg = cache[package_name]
    if pkg.is_installed:
        print(package_name + " is installed!")
    else:
        print(package_name + " is not installed!")


# _yum()
# _flatpak()
# _snap()
# _pip3()


if __name__ == '__main__':
    main()