tar -xzvf  pexpect-3.3.tar.gz

cd pexpect-3.3

python setup install (require root)

#!/usr/bin/env python

import sys

sys.path.append('pexpect-3.3/build/lib')
 

>>> import pexpect

>>> dir(pexpect)

['EOF', 'ExceptionPexpect', 'PY3', 'TIMEOUT', '__all__', '__builtins__', '__doc__', '__file__', '__name__', '__package__', '__path__', '__revision__', '__version__', '_run', 'codecs', 'errno', 'fcntl', 'is_executable_file', 'os', 'pty', 're', 'resource', 'run', 'runu', 'searcher_re', 'searcher_string', 'select', 'signal', 'spawn', 'spawnu', 'split_command_line', 'stat', 'struct', 'sys', 'termios', 'time', 'traceback', 'tty', 'types', 'which']

>>> print pexpect.run('ping localhost -c 3')

PING localhost (127.0.0.1) 56(84) bytes of data.

64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.087 ms

64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.088 ms

64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.088 ms

--- localhost ping statistics ---

3 packets transmitted, 3 received, 0% packet loss, time 2002ms

rtt min/avg/max/mdev = 0.087/0.087/0.088/0.010 ms

import pexpect
child = pexpect.spawn('python',timeout=3)
child.expect(">>>")
child.sendline("exit()")
print child.before   # Print the result of the ls command.

fout=file('filename','a') #w write /a append
child = pexpect.spawn('su root')

child.logfile = sys.stdout
child.logfile_send=fout

#!/usr/bin/python

'''

this script can batch add user

everytime will add specific usename

user mumber and password

create by Young 2014/08/02

require pexpect module, if you don't have one

please install this module

if you can't install this module please

add  this module path to sys.path

'''

import pexpect

import getopt

import os

import sys

import random

import string

# usage fuction

def usage():

    print '''

Usage: python %s  --name user --amount 100 --password [optional]

or python %s  -n user -a 100 -p [optional]

this will create user1~user100 and default password will be random or specific.

make sure when you run this script as root

-n,--name        the username you want create

-a,--amount      the amount of users you want create

-p,--password    the default password of use your create

-h,--help        display this help and exit

-v,--version     output version information and exit

'''  %(sys.argv[0],sys.argv[0])

# get the parameters

# set the default user name

user_name='user'

# generate random password

def set_password():

    word=[x for x in 'aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ0123456789']

    p=string.join(random.sample(word, 8)).replace(" ","")

    return p

# number of users ,set default users number as 10

number_of_users=10

password=set_password()

is_ramdom_password=True

#print password

def get_command():

    try:

        opts, args = getopt.getopt(sys.argv[1:], "n:a:p:hv", ["name=","amount=","password=","help", "version"])

    except getopt.GetoptError as err:

        # print help information and exit

        print str(err) # will print something like "option -a not recognized"

            usage()

            sys.exit(2)

    #print opts,args

    for option,value in opts:

        #print "----------->"+option+' <><>'+value

            if option in ["-n","--name"]:

            if(len(value)>=4):

                global user_name

                user_name=value

            else:

                print "invaild usename,will use user"

        elif option in ["-a","--amount"]:

            if value.isdigit():

                if( int(str(value))>0 and int(str(value))< 1000 ):

                    global number_of_users

                    number_of_users=int(str(value))

                else:

                    usage()

                    sys.exit(2)

            else:

                print "ValueError: invalid literal for ",value

                print "invaild amount,will use defualt"

        elif option in ["-p","--password"]:

            if(len(value)>=6):

                global password

                password=value

                global is_ramdom_password

                is_ramdom_password=False

            else:

                print "invaild password,will use random"

        elif option in ["-v","--version"]:

                    print sys.argv[0]+' 1.0.0'

            sys.exit(0)

               elif option in ("-h", "--help"):

                    usage()

                    sys.exit(0)

               else :

            assert False, "unhandled option"

            usage()

            sys.exit(2)

def check_root():

    if( os.environ['USER']!='root'):

        print 'Permission denied,please su root'

        sys.exit()

#use pexpect to adduser

def run_add(user,mypassword):

    log = file('adduser.log','a')

    flag=os.system('adduser '+user)

    if(flag!=0):

        os.system('userdel '+user)

        os.system('adduser '+user)

    try:

        child=pexpect.spawn('passwd '+user,timeout=5)

        child.logfile = log

        child.logfile_send=sys.stdout

        child.expect("New password:")

        child.sendline(mypassword)

        child.expect("Retype new password:")

        child.sendline(mypassword)

        child.expect("passwd: all authentication tokens updated successfully.")

    except pexpect.EOF:

        pass

    except pexpect.TIMEOUT:

        pass

def add_user(name,amount,password,is_ramdom_password):

    check_root()

    for number in range(1,amount+1):

        if(is_ramdom_password):

            print "%4d: adduser %s%-4d password %s " %(number,name,number,set_password())

            run_add(name+str(number),set_password())

        else:

            print "%4d: adduser %s%-4d password %s " %(number,name,number,password)

            run_add(name+str(number),set_password)

get_command()

add_user(user_name,number_of_users,password,is_ramdom_password)