This script installs virtualenv and pip, and create a virtualenv with django and your project

bootstrap_python_django.sh

#!/bin/bash

PROJ_DIR=$1
PROJ_NAME=$2

easy_install virtualenv pip;
mkdir -p $PROJ_DIR;
virtualenv $PROJ_DIR
source $PROJ_DIR/bin/activate
pip install django;
cd $PROJ_DIR; django-admin.py startproject $PROJ_NAME
chmod +x $PROJ_DIR/$PROJ_NAME/manage.py

Usage: django_bootstrap <dir_name> <project_name>

This command will install virtualenv and pip system-wide (or update them), and will create a virtualenv with Django already installed for your project.