edxapp@edx:~/edx-platform$ ./manage.py lms shell --settings=devstack             

Python 2.7.3 (default, Sep 26 2013, 20:03:06) 
Type "copyright", "credits" or "license" for more information.

IPython 0.13.1 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: from django.contrib.auth.models import User

In [3]: u=User.objects.get(email='xavier@antoviaque.org')

In [4]: u.__dict__
Out[4]: 
{'_state': <django.db.models.base.ModelState at 0x6020350>,
 'date_joined': datetime.datetime(2014, 1, 14, 18, 43, 16, 650913, tzinfo=<UTC>),
 'email': u'xavier@antoviaque.org',
 'first_name': u'',
 'id': 1,
 'is_active': True,
 'is_staff': False,
 'is_superuser': False,
 'last_login': datetime.datetime(2014, 1, 14, 18, 43, 17, 312285, tzinfo=<UTC>),
 'last_name': u'',
 'password': u'pbkdf2_sha256$10000$HvmM30qsT3qF$0QHrCnvVQt4fHHBVcF39UG5nSoI+dM6s2V87cRCNHZM=',
 'username': u'XavierAntoviaque'}

In [5]: u.is_staff = True

In [6]: u.is_superuser=True

In [7]: u.save()