Find installed binary and configuration files on CentOS

package_finder.py

import logging
import os
import re
import subprocess
import yum

yb = yum.YumBase()
yb.setCacheDir()
dependency_installed = yb.rpmdb.searchNevra(name='yum-utils')
if not dependency_installed:
    logging.error("This tool requires that yum-utils is installed. Please "
                  "install yum-utils with `yum install -y yum-utils` and "
                  "try again.")
    os.exit(1)
else:
    logging.debug("yum-utils is installed. Continuing")

    pkgs = yb.rpmdb.returnPackages()

    for pkg in pkgs:
        logging.debug("Processing package {}".format(pkg.name))

        proc = subprocess.Popen('repoquery --list {}'.format(pkg.name),
                                shell=True,
                                stdout=subprocess.PIPE,
                                stderr=subprocess.STDOUT)

        for line in iter(proc.stdout.readline, ''):
            pattern = r"^.*(\/bin\/|\/sbin\/|\/etc\/).*"
            cpattern = re.compile(pattern)

            if not cpattern.match(line):
                continue

            print(line)