Getting django projects started without fuss.

takeoff.py

#! /usr/bin/env python
import os
import subprocess
import pprint

def use_virtualenv(virtualenv_path):
    command = ['bash', '-c', 'source '+os.path.join(virtualenv_path,'bin','activate')+' && env']
    proc = subprocess.Popen(command, stdout = subprocess.PIPE)
    for line in proc.stdout:
      (key, _, value) = line.partition("=")
      os.environ[key] = value.rstrip('\n')
    proc.communicate()
    printc('Starting virtualenv with this environment:')
    pprint.pprint(dict(os.environ))

def printc(txt, color='green'):
    my_colors = {
            'red': "[31m",
            'green': "[32m",
            'yellow': "[33m"
            }
    if color in my_colors:
        print "\033[33m[takeoff.py]\033[0m \033%s%s\033[0m" % (my_colors[color], txt)

printc('Preparing to blast off!')
with open('abbv.txt') as f:
    abbv = f.readline().strip('\n')
printc('Got project abbrieviation from abbv.txt as "' + abbv + '"')

pwd = os.getcwd()
workon_home = os.environ.get('WORKON_HOME')
if workon_home:
    printc('virtualenv appears to be installed.  I\'m going for it.')
    subprocess.call('virtualenv --no-site-packages '+os.path.join(workon_home,abbv), shell=True)
    use_virtualenv(os.path.join(workon_home,abbv))
    printc('virtualenv successfully started.')
    printc('Checking for package updates')
    subprocess.call('pip install -r requirements.txt', shell=True)
    project_dir = os.path.join(pwd,pwd.split(os.sep)[-1].strip('.com'))
    if os.path.isdir(project_dir):
        printc('Project directory found at ' + project_dir)
        printc('Checking for local settings')
        local_settings = os.path.join(project_dir, 'settings_local.py')
        if os.path.isfile(local_settings):
            printc('Found local settings file.')
            printc('Continuing to migrations.')
        else:
            printc('No local settings found.','red')
            printc('I am going to create one with basic settings', 'red')
            with open(local_settings, 'w') as f:
                f.write('''
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
        'NAME': 'sqlite_database',                      # Or path to database file if using sqlite3.
        'USER': '',                      # Not used with sqlite3.
        'PASSWORD': '',                  # Not used with sqlite3.
        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
    }
}
''')
    else:
        printc('The project directory could not be found. I tried ' + project_dir, 'red')
    create_superuser = False
    if not os.path.isfile('sqlite_database'):
        printc('No sqlite database found.  I am going to create one.', 'red')
        subprocess.call('python manage.py syncdb', shell=True)
        create_superuser = True
    printc('Running migrations')
    subprocess.call('python manage.py migrate', shell=True)
    if create_superuser:
        printc('Prompting user to create a superuser', 'red')
        printc('If you already did this, Ctrl+C to skip')
        try:
            subprocess.call('python manage.py createsuperuser', shell=True)
        except KeyboardInterrupt:
            pass
    printc('Everything looks good to me.')
    printc('Starting the server. For great good!')
    try:
        subprocess.call('python manage.py runserver', shell=True)
    except KeyboardInterrupt:
        pass