pkgs_envsetup.py

#!/usr/bin/env python3

from subprocess import run, DEVNULL, PIPE, STDOUT

PACKAGES = [
    "bsd-mailx",  # for "mail" command used in tester
    "python3-apt",  # for: test_apt
    "python3-defusedxml",  # for: test_wowza
    "python3-dnspython",  # for: test_caches
    "python3-openssl",  # for: test_ssl
    "python3-psutil",  # for: test_wowza
    "python3-psycopg2",  # for: test_postgresql
    "python3-pydbus",  # for: test_dns_records
    "python3-requests",  # for: test_nginx_status, test_nginx_vhosts, test_ssl, test_apt_proxy, test_ubicast_packages_access
    "python3-spf",  # for: test_email
]


def main():
    for pkg in PACKAGES:
        if (
            run(
                ["/usr/bin/dpkg", "-s", pkg],
                shell=False,
                stdout=DEVNULL,
                stderr=DEVNULL,
                stdin=PIPE,
            ).returncode
            != 0
        ):
            result = run(
                [
                    "/usr/bin/apt-get",
                    "install",
                    "-q",
                    "-y",
                    pkg,
                ],
                shell=False,
                stdout=PIPE,
                stderr=STDOUT,
                stdin=PIPE,
                env={"DEBIAN_FRONTEND": "noninteractive"},
            )
            if result.returncode == 0:
                print("{} install succeeded".format(pkg))
            else:
                print("{} install failed".format(pkg))
                print(result.stdout.decode("utf-8"))
        else:
            print("{} already installed".format(pkg))


if __name__ == "__main__":
    main()