virtualize.py

#! /usr/bin/env python
__author__ = 'Vishal Taj PM'
import subprocess
import os
import shutil


def create_virtualenv(envName):
    subprocess.call(['virtualenv', envName])

def install(packageName):
    subprocess.call('pip','install',packageName)

def workon(envName):
    shutil.copy2('script.py', envName+'/script.py')
    os.chdir(envName+'/')
    os.system('/bin/bash  --rcfile '+activate)
    subprocess.Popen([python_bin, script_file])

def deactivate():
    subprocess.call('source', 'bin/deactivate')

path =  os.getcwd()
envName = raw_input("Virtual Environment Name : ")
python_bin = path+'/'+envName+"/bin/python"
activate = path+'/'+envName+'/bin/activate'
# path to the script that must run under the virtualenv
script_file = path+"/script.py"

if not os.path.isdir(envName):
    create_virtualenv(envName)
    workon(envName)
else:
    workon(envName)
    print """A Directory with the same name already exist please specify
                other name or remove it manually"""