Fixed #7932 -- Made it easier to use a custom User model with the admin. Added...

from django.shortcuts import render_to_response

from django.http import HttpResponseRedirect

from django.utils.translation import ugettext, ugettext_lazy as _

from django.contrib.auth.forms import UserCreationForm

from django.contrib import admin

class GroupAdmin(admin.ModelAdmin):

        (_('Important dates'), {'fields': ('last_login', 'date_joined')}),

        (_('Groups'), {'fields': ('groups',)}),

    )

    add_form = UserCreationForm

    list_display = ('username', 'email', 'first_name', 'last_name', 'is_staff')

    list_filter = ('is_staff', 'is_superuser')

    search_fields = ('username', 'first_name', 'last_name', 'email')

    filter_horizontal = ('user_permissions',)

    def add_view(self, request):

        # avoid a circular import. see #6718.

        from django.contrib.auth.forms import UserCreationForm

        if not self.has_change_permission(request):

            raise PermissionDenied

        if request.method == 'POST':

            form = UserCreationForm(request.POST)

            form = self.add_form(request.POST)

            if form.is_valid():

                new_user = form.save()

                msg = _('The %(name)s "%(obj)s" was added successfully.') % {'name': 'user', 'obj': new_user}

                    request.user.message_set.create(message=msg + ' ' + ugettext("You may edit it again below."))

                    return HttpResponseRedirect('../%s/' % new_user.id)

        else:

            form = UserCreationForm()

            form = self.add_form()

        return render_to_response('admin/auth/user/add_form.html', {

            'title': _('Add user'),

            'form': form,

            'has_file_field': False,

            'has_absolute_url': False,

            'auto_populated_fields': (),

            'opts': User._meta,

            'opts': self.model._meta,

            'save_as': False,

            'username_help_text': User._meta.get_field('username').help_text,

            'username_help_text': self.model._meta.get_field('username').help_text,

            'root_path': self.admin_site.root_path,

        }, context_instance=template.RequestContext(request))