Adding a custom view to the admin -- from a project written in Django 1.1.2, meaning don't use this! Please ignore the codesmells :3 Relevant docs: https://docs.djangoproject.com/en/stable/ref/contrib/admin/#django.contrib.admin.ModelAdmin.get_urls

gistfile1.py

# project/app/admin/__init__.py
from admin import *

gistfile2.py

# project/app/admin/admin.py
from django.contrib import admin
from django.conf.urls.defaults import *

from project.app.models import Signup

from views import download_list

class SignupAdmin(admin.ModelAdmin):
    def get_urls(self):
        urls = super(SignupAdmin, self).get_urls()
        my_urls = patterns('',
            (r'^download/$', self.admin_site.admin_view(self._download)),
        )
        return my_urls + urls

    def _download(self, request):
        return download_list(request, self)


admin.site.register(Signup, SignupAdmin)

gistfile3.py

# project/app/admin/views.py
from django.http import HttpResponse

from project.app.models import Signup

import csv
from StringIO import StringIO

def download_list(request, model_admin):
    data = StringIO()
    writer = csv.writer(data)

    list = Signup.objects.values_list('name', 'email')
    for item in list:
        writer.writerow(item)

    data.seek(0)
    resp = HttpResponse(data.read())
    resp._headers['content_disposition'] = ("Content-Disposition", 'attachment; filename="list.csv')
    return resp