manage.py

#!/usr/bin/env python

from __future__ import absolute_import, division, generators, nested_scopes, print_function, unicode_literals, with_statement

import os
import sys

if __name__ == "__main__":
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dbs.settings")

    if os.getuid() == 0 and 'collectstatic' not in sys.argv:
        from django.conf import settings
        import pwd, grp
        user = pwd.getpwnam(getattr(settings, 'USERNAME', 'dbs'))
        groups = [g.gr_gid for g in grp.getgrall() if user.pw_name in g.gr_mem]
        os.setgid(user.pw_gid)
        os.setgroups(groups)
        os.setuid(user.pw_uid)
        os.environ['USER']      = user.pw_name
        os.environ['LOGNAME']   = user.pw_name
        os.environ['HOME']      = user.pw_dir
        os.environ['SHELL']     = user.pw_shell
        os.chdir(os.environ['HOME'])

    from django.core.management import execute_from_command_line

    execute_from_command_line(sys.argv)