django/tests/regressiontests/admin_custom_urls/models.py

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from functools import update_wrapper
from django.contrib import admin
from django.db import models
class Action(models.Model):
name = models.CharField(max_length=50, primary_key=True)
description = models.CharField(max_length=70)
def __unicode__(self):
return self.name
class ActionAdmin(admin.ModelAdmin):
"""
A ModelAdmin for the Action model that changes the URL of the add_view
to '<app name>/<model name>/!add/'
The Action model has a CharField PK.
"""
list_display = ('name', 'description')
def remove_url(self, name):
"""
Remove all entries named 'name' from the ModelAdmin instance URL
patterns list
"""
return filter(lambda e: e.name != name, super(ActionAdmin, self).get_urls())
def get_urls(self):
# Add the URL of our custom 'add_view' view to the front of the URLs
# list. Remove the existing one(s) first
from django.conf.urls.defaults import patterns, url
def wrap(view):
def wrapper(*args, **kwargs):
return self.admin_site.admin_view(view)(*args, **kwargs)
return update_wrapper(wrapper, view)
info = self.model._meta.app_label, self.model._meta.module_name
view_name = '%s_%s_add' % info
return patterns('',
url(r'^!add/$', wrap(self.add_view), name=view_name),
) + self.remove_url(view_name)
admin.site.register(Action, ActionAdmin)