gistfile1.txt

def get_apps():
    types = ContentType.objects.all()

    allowed_types = []
    for ct in types:
        m = ct.model_class()
        if m.__module__ in ALLOWED_APPS:
            choice = '%s.%s' % (m.__module__, m.__name__)
            allowed_types.append(choice)

    return allowed_types


APPS = ('festivalappearance', 'festivaledition')
            


def edit_contents(instance):
    return ('<a href="%s">Edit Contents</a>' %
            reverse('scheduler-edit-bucket-contents', args=(instance.id, )))
edit_contents.short_description = 'Edit'
edit_contents.allow_tags = True


class BucketForm(forms.ModelForm):
    allowed_types = forms.MultipleChoiceField(widget=CheckboxSelectMultiple,
                                              choices=APPS)


class BucketAdmin(admin.ModelAdmin):
    list_display = ('name', edit_contents,)
    ordering = ('name', )

    form = BucketForm

    def get_readonly_fields(self, request, instance=None):
        if not request.user.is_superuser:
            return ('key', 'limit')
        return []