class UserDBConnection(object):
    """If the user is logged in (assumed if their password is in the
    session!), the global connection object is updated to use their
    connection credentials instead of the default Django ones."""
    def process_request(self, request):
        if 'password' in request.session:
            from django import db
            from django.conf import settings
            username = request.user.username
            password = request.session['password']

            db.connection.settings_dict['DATABASE_USER'] = username
            db.connection.settings_dict['DATABASE_PASSWORD'] = password
        return None