#!/usr/lib/python3
import sys
import subprocess
import os
nbarg = len(sys.argv)
if nbarg != 2:
  print ("Nombre d'argument invalide")
  exit (1)
filename = sys.argv[1]
try:
  fh = open(filename, "r")
except:
  print ("Fichier ", filename," inconnu")
  exit (2)
else:
  line = fh.readline ()
  while line:
    nouvline = line.rstrip()
    login,nomlong = nouvline.split(':')
    cmd = "sudo useradd -m -d /home/"+login+" -c \'"+ nomlong+"\' -s /bin/bash "+ login
    res = os.system ("getent passwd "+login)
    if res != 0:
      passw = "pwgen 4 1"
      os.system (cmd)
      mdp = string(os.system ("pwgen 4 1"))
      os.system ("echo "+login+mdp+"|chpasswd")
      os.system ("echo "+login+mdp+" > "+filename+".pwd")
    else:
      print ("Utilisateur "+login+" déjà éxistant")
      os.system ("sudo userdel -r "+login)
    line = fh.readline()

  fh.close()