manage.py

#!/usr/bin/env python
import os
import site
import sys


prev_sys_path = list(sys.path)

ROOT = os.path.dirname(os.path.abspath(__file__))
path = lambda *a: os.path.join(ROOT, *a)
for p in ('apps', 'lib', 'vendor'):
    site.addsitedir(path(p))

# Move the new items to the front of sys.path. (via virtualenv)
new_sys_path = []
for item in list(sys.path):
    if item not in prev_sys_path:
        new_sys_path.append(item)
        sys.path.remove(item)
sys.path[:0] = new_sys_path

# No third-party imports until we've added all our sitedirs!
from django.core.management import execute_manager, setup_environ

try:
    import settings_local as settings
except ImportError:
    try:
        import settings
    except ImportError:
        import sys
        sys.stderr.write(
            "Error: Tried importing 'settings_local.py' and 'settings.py' "
            "but neither could be found (or they're throwing an ImportError)."
            " Please come back and try again later.")
        raise

# The first thing execute_manager does is call `setup_environ`. Logging config
# needs to access settings, so we'll setup the environ early.
setup_environ(settings)

if __name__ == "__main__":
    execute_manager(settings)