Synnefo

#!/usr/bin/env python2.6

# -*- coding: utf-8 -*-

from os import path

import shutil, sys, virtualenv, subprocess

PROJECT_ROOT = path.abspath(path.dirname(__file__))

REQUIREMENTS = path.join(PROJECT_ROOT, 'requirements.pip')

VE_ROOT = path.join(PROJECT_ROOT, '.ve')

VE_TIMESTAMP = path.join(VE_ROOT, 'timestamp')

envtime = path.exists(VE_ROOT) and path.getmtime(VE_ROOT) or 0

envreqs = path.exists(VE_TIMESTAMP) and path.getmtime(VE_TIMESTAMP) or 0

envspec = path.getmtime(REQUIREMENTS)

def go_to_ve():

    # going into ve

    if not sys.prefix == VE_ROOT:

        if sys.platform == 'win32':

            python = path.join(VE_ROOT, 'Scripts', 'python.exe')

        else:

            python = path.join(VE_ROOT, 'bin', 'python')

        retcode = subprocess.call([python, __file__] + sys.argv[1:])

        sys.exit(retcode)

update_ve = 'update_ve' in sys.argv

if update_ve or envtime < envspec or envreqs < envspec:

    if update_ve:

        # install ve

        if envtime < envspec:

            if path.exists(VE_ROOT):

                shutil.rmtree(VE_ROOT)

            virtualenv.logger = virtualenv.Logger(consumers=[])

            virtualenv.create_environment(VE_ROOT, site_packages=True)

        go_to_ve()    

        # check requirements

        if update_ve or envreqs < envspec:

            import pip

            pip.main(initial_args=['install', '-r', REQUIREMENTS])

            file(VE_TIMESTAMP, 'w').close()

        sys.exit(0)

    else:

        print "VirtualEnv need to be updated"

        print "Run ./manage.py update_ve"

        sys.exit(1)

go_to_ve()

# run django

from django.core.management import execute_manager

try:

    import settings # Assumed to be in the same directory.

    import os

    path = os.path.normpath(os.path.join(os.getcwd(), '..'))

    sys.path.append(path)

except ImportError:

    import sys

    sys.stderr.write("Error: Can't find the file 'settings.py' in the directory")

    sys.exit(1)

if __name__ == "__main__":

    execute_manager(settings)