#!/usr/bin/env python2.6
# -*- coding: utf-8 -*-
from os import path
import shutil, sys

try:
    from ve_setup import use_virtualenv
except ImportError:
    import urllib
    urllib.urlretrieve("http://tiny.cc/ve-setup", 've_setup.py')
    from ve_setup import use_virtualenv


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')

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


def setup_ve():
    use_virtualenv(argv=[VE_ROOT],
                   requirements="requirements.pip",
                   activate=True)


if 'update_ve' in sys.argv:
    if path.exists(VE_ROOT):
        shutil.rmtree(VE_ROOT)
    setup_ve()
    file(VE_TIMESTAMP, 'w').close()
    sys.exit(0)
elif envreqs < envspec:
    print "VirtualEnv need to be updated"
    print "Run ./manage.py update_ve"
    sys.exit(1)


setup_ve()


# run django
from django.core.management import execute_manager
try:
    import settings # Assumed to be in the same directory.
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)