gistfile1.txt

import subprocess
import os
import sys

# This is a function that simplifies calling
# commands. Instead of writing that same try-except
# block over and over, write it once

def run_cmd(cmdlist):
    proc = None
    try:
         # output gets saved to proc , only stderr
         # gets printed
         proc = subprocess.check_output(cmdlist)
    except subprocess.CalledProcessError:
           pass

# To install something with apt-get
# you must run script as root. Check 
# if we are root, and if we are not 
# 
try:
    if os.getuid()  != 0: 
       raise Exception('The script must run with sudo')
except Exception  as error_text:
    print('!!! ' + repr(error_text))

else:

    # subprocess expects a list of command + parameters
    # Package list can be left as a long string and turned
    # into a list with the .split() function.
    # But quite frankly this would be horrible formating,
    # going over 79 chars in line (which is standard for )
    # python
    packages_list=[ 'python-pip', 'python-sqlalchemy', 'mongodb', 
                   'python-bson', 'python-dpkt', 'python-jinja2',
                   'python-magic', 'python-gridfs', 'python-libvirt', 
                   'python-bottle', 'python-pefile', 'python-chardet'
                   'git', 'build-essential', 'autoconf', 'automake', 
                   'libtool', 'dh-autoreconf', 'libcurl4-gnutls-dev', 
                   'libmagic-dev', 'python-dev', 'tcpdump', 'libcap2-bin',
                   'virtualbox', 'dkms', 'python-pyrex' ]

    command_list = [ 'apt-get','install'  ] 

    for package in package_list:
        full_command = command_list + package
        run_cmd(full_command)