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Fixed #19505 -- A more flexible implementation for customizable admin redirect urls. 

Work by Julien Phalip.

Refs #8001, #18310, #19505. See also 0b908b92a2.
This commit is contained in:
Julien Phalip 2012-12-22 20:00:08 +01:00 committed by Ramiro Morales
parent 4a71b84266
commit 35d1cd0b28
5 changed files with 144 additions and 174 deletions
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165
django/contrib/admin/options.py
View File

@ -9,7 +9,7 @@ from django.forms.models import (modelform_factory, modelformset_factory,
inlineformset_factory, BaseInlineFormSet)
from django.contrib.contenttypes.models import ContentType
from django.contrib.admin import widgets, helpers
from django.contrib.admin.util import quote, unquote, flatten_fieldsets, get_deleted_objects, model_format_dict
from django.contrib.admin.util import unquote, flatten_fieldsets, get_deleted_objects, model_format_dict
from django.contrib.admin.templatetags.admin_static import static
from django.contrib import messages
from django.views.decorators.csrf import csrf_protect
@ -38,6 +38,7 @@ HORIZONTAL, VERTICAL = 1, 2
# returns the <ul> class for a given radio_admin field
get_ul_class = lambda x: 'radiolist%s' % ((x == HORIZONTAL) and ' inline' or '')
class IncorrectLookupParameters(Exception):
pass
@ -62,6 +63,7 @@ FORMFIELD_FOR_DBFIELD_DEFAULTS = {
csrf_protect_m = method_decorator(csrf_protect)
class BaseModelAdmin(six.with_metaclass(forms.MediaDefiningClass)):
"""Functionality common to both ModelAdmin and InlineAdmin."""
@ -150,7 +152,7 @@ class BaseModelAdmin(six.with_metaclass(forms.MediaDefiningClass)):
})
if 'choices' not in kwargs:
kwargs['choices'] = db_field.get_choices(
include_blank = db_field.blank,
include_blank=db_field.blank,
blank_choice=[('', _('None'))]
)
return db_field.formfield(**kwargs)
@ -787,49 +789,37 @@ class ModelAdmin(BaseModelAdmin):
"admin/change_form.html"
], context, current_app=self.admin_site.name)
def response_add(self, request, obj, post_url_continue='../%s/',
continue_editing_url=None, add_another_url=None,
hasperm_url=None, noperm_url=None):
def response_add(self, request, obj, post_url_continue=None):
"""
Determines the HttpResponse for the add_view stage.
:param request: HttpRequest instance.
:param obj: Object just added.
:param post_url_continue: Deprecated/undocumented.
:param continue_editing_url: URL where user will be redirected after
pressing 'Save and continue editing'.
:param add_another_url: URL where user will be redirected after
pressing 'Save and add another'.
:param hasperm_url: URL to redirect after a successful object creation
when the user has change permissions.
:param noperm_url: URL to redirect after a successful object creation
when the user has no change permissions.
"""
if post_url_continue != '../%s/':
warnings.warn("The undocumented 'post_url_continue' argument to "
"ModelAdmin.response_add() is deprecated, use the new "
"*_url arguments instead.", DeprecationWarning,
stacklevel=2)
opts = obj._meta
pk_value = obj.pk
app_label = opts.app_label
model_name = opts.module_name
site_name = self.admin_site.name
pk_value = obj._get_pk_val()
msg_dict = {'name': force_text(opts.verbose_name), 'obj': force_text(obj)}
# Here, we distinguish between different save types by checking for
# the presence of keys in request.POST.
if "_continue" in request.POST:
msg = _('The %(name)s "%(obj)s" was added successfully. You may edit it again below.') % msg_dict
self.message_user(request, msg)
if continue_editing_url is None:
continue_editing_url = 'admin:%s_%s_change' % (app_label, model_name)
url = reverse(continue_editing_url, args=(quote(pk_value),),
current_app=site_name)
if post_url_continue is None:
post_url_continue = reverse('admin:%s_%s_change' %
(opts.app_label, opts.module_name),
args=(pk_value,),
current_app=self.admin_site.name)
else:
try:
post_url_continue = post_url_continue % pk_value
warnings.warn(
"The use of string formats for post_url_continue "
"in ModelAdmin.response_add() is deprecated. Provide "
"a pre-formatted url instead.",
DeprecationWarning, stacklevel=2)
except TypeError:
pass
if "_popup" in request.POST:
url += "?_popup=1"
return HttpResponseRedirect(url)
post_url_continue += "?_popup=1"
return HttpResponseRedirect(post_url_continue)
if "_popup" in request.POST:
return HttpResponse(
@ -840,102 +830,61 @@ class ModelAdmin(BaseModelAdmin):
elif "_addanother" in request.POST:
msg = _('The %(name)s "%(obj)s" was added successfully. You may add another %(name)s below.') % msg_dict
self.message_user(request, msg)
if add_another_url is None:
add_another_url = 'admin:%s_%s_add' % (app_label, model_name)
url = reverse(add_another_url, current_app=site_name)
return HttpResponseRedirect(url)
return HttpResponseRedirect(request.path)
else:
msg = _('The %(name)s "%(obj)s" was added successfully.') % msg_dict
self.message_user(request, msg)
return self.response_post_save(request, obj)
# Figure out where to redirect. If the user has change permission,
# redirect to the change-list page for this object. Otherwise,
# redirect to the admin index.
if self.has_change_permission(request, None):
if hasperm_url is None:
hasperm_url = 'admin:%s_%s_changelist' % (app_label, model_name)
url = reverse(hasperm_url, current_app=site_name)
else:
if noperm_url is None:
noperm_url = 'admin:index'
url = reverse(noperm_url, current_app=site_name)
return HttpResponseRedirect(url)
def response_change(self, request, obj, continue_editing_url=None,
save_as_new_url=None, add_another_url=None,
hasperm_url=None, noperm_url=None):
def response_change(self, request, obj):
"""
Determines the HttpResponse for the change_view stage.
:param request: HttpRequest instance.
:param obj: Object just modified.
:param continue_editing_url: URL where user will be redirected after
pressing 'Save and continue editing'.
:param save_as_new_url: URL where user will be redirected after pressing
'Save as new' (when applicable).
:param add_another_url: URL where user will be redirected after pressing
'Save and add another'.
:param hasperm_url: URL to redirect after a successful object edition when
the user has change permissions.
:param noperm_url: URL to redirect after a successful object edition when
the user has no change permissions.
"""
opts = obj._meta
opts = self.model._meta
app_label = opts.app_label
model_name = opts.module_name
site_name = self.admin_site.name
verbose_name = opts.verbose_name
# Handle proxy models automatically created by .only() or .defer().
# Refs #14529
if obj._deferred:
opts_ = opts.proxy_for_model._meta
verbose_name = opts_.verbose_name
model_name = opts_.module_name
msg_dict = {'name': force_text(verbose_name), 'obj': force_text(obj)}
pk_value = obj._get_pk_val()
msg_dict = {'name': force_text(opts.verbose_name), 'obj': force_text(obj)}
if "_continue" in request.POST:
msg = _('The %(name)s "%(obj)s" was changed successfully. You may edit it again below.') % msg_dict
self.message_user(request, msg)
if continue_editing_url is None:
continue_editing_url = 'admin:%s_%s_change' % (app_label, model_name)
url = reverse(continue_editing_url, args=(quote(obj.pk),),
current_app=site_name)
if "_popup" in request.POST:
url += "?_popup=1"
return HttpResponseRedirect(url)
if "_popup" in request.REQUEST:
return HttpResponseRedirect(request.path + "?_popup=1")
else:
return HttpResponseRedirect(request.path)
elif "_saveasnew" in request.POST:
msg = _('The %(name)s "%(obj)s" was added successfully. You may edit it again below.') % msg_dict
self.message_user(request, msg)
if save_as_new_url is None:
save_as_new_url = 'admin:%s_%s_change' % (app_label, model_name)
url = reverse(save_as_new_url, args=(quote(obj.pk),),
current_app=site_name)
return HttpResponseRedirect(url)
return HttpResponseRedirect(reverse('admin:%s_%s_change' %
(opts.app_label, opts.module_name),
args=(pk_value,),
current_app=self.admin_site.name))
elif "_addanother" in request.POST:
msg = _('The %(name)s "%(obj)s" was changed successfully. You may add another %(name)s below.') % msg_dict
self.message_user(request, msg)
if add_another_url is None:
add_another_url = 'admin:%s_%s_add' % (app_label, model_name)
url = reverse(add_another_url, current_app=site_name)
return HttpResponseRedirect(url)
return HttpResponseRedirect(reverse('admin:%s_%s_add' %
(opts.app_label, opts.module_name),
current_app=self.admin_site.name))
else:
msg = _('The %(name)s "%(obj)s" was changed successfully.') % msg_dict
self.message_user(request, msg)
# Figure out where to redirect. If the user has change permission,
# redirect to the change-list page for this object. Otherwise,
# redirect to the admin index.
if self.has_change_permission(request, None):
if hasperm_url is None:
hasperm_url = 'admin:%s_%s_changelist' % (app_label,
model_name)
url = reverse(hasperm_url, current_app=site_name)
else:
if noperm_url is None:
noperm_url = 'admin:index'
url = reverse(noperm_url, current_app=site_name)
return HttpResponseRedirect(url)
return self.response_post_save(request, obj)
def response_post_save(self, request, obj):
"""
Figure out where to redirect after the 'Save' button has been pressed.
If the user has change permission, redirect to the change-list page for
this object. Otherwise, redirect to the admin index.
"""
opts = self.model._meta
if self.has_change_permission(request, None):
post_url = reverse('admin:%s_%s_changelist' %
(opts.app_label, opts.module_name),
current_app=self.admin_site.name)
else:
post_url = reverse('admin:index',
current_app=self.admin_site.name)
return HttpResponseRedirect(post_url)
def response_action(self, request, queryset):
"""

5
django/contrib/auth/admin.py
View File

@ -153,7 +153,7 @@ class UserAdmin(admin.ModelAdmin):
'admin/auth/user/change_password.html',
context, current_app=self.admin_site.name)
def response_add(self, request, obj, **kwargs):
def response_add(self, request, obj, post_url_continue=None):
"""
Determines the HttpResponse for the add_view stage. It mostly defers to
its superclass implementation but is customized because the User model
@ -166,7 +166,8 @@ class UserAdmin(admin.ModelAdmin):
# * We are adding a user in a popup
if '_addanother' not in request.POST and '_popup' not in request.POST:
request.POST['_continue'] = 1
return super(UserAdmin, self).response_add(request, obj, **kwargs)
return super(UserAdmin, self).response_add(request, obj,
post_url_continue)
admin.site.register(Group, GroupAdmin)
admin.site.register(User, UserAdmin)

6
docs/internals/deprecation.txt
View File

@ -268,6 +268,12 @@ these changes.
* ``django.contrib.markup`` will be removed following an accelerated
deprecation.
* The value for the ``post_url_continue`` parameter in
``ModelAdmin.response_add()`` will have to be either ``None`` (to redirect
to the newly created object's edit page) or a pre-formatted url. String
formats, such as the previous default ``'../%s/'``, will not be accepted any
more.
1.7
---

63
tests/regressiontests/admin_custom_urls/models.py
View File

@ -1,7 +1,9 @@
from functools import update_wrapper
from django.contrib import admin
from django.core.urlresolvers import reverse
from django.db import models
from django.http import HttpResponseRedirect
from django.utils.encoding import python_2_unicode_compatible
@ -49,41 +51,38 @@ class ActionAdmin(admin.ModelAdmin):
) + self.remove_url(view_name)
admin.site.register(Action, ActionAdmin)
class Person(models.Model):
nick = models.CharField(max_length=20)
class PersonAdmin(admin.ModelAdmin):
"""A custom ModelAdmin that customizes the deprecated post_url_continue
argument to response_add()"""
def response_add(self, request, obj, post_url_continue='../%s/continue/',
continue_url=None, add_url=None, hasperm_url=None,
noperm_url=None):
return super(PersonAdmin, self).response_add(request, obj,
post_url_continue,
continue_url, add_url,
hasperm_url, noperm_url)
admin.site.register(Person, PersonAdmin)
class City(models.Model):
name = models.CharField(max_length=20)
class PersonAdmin(admin.ModelAdmin):
class CityAdmin(admin.ModelAdmin):
"""A custom ModelAdmin that redirects to the changelist when the user
presses the 'Save and add another' button when adding a model instance."""
def response_add(self, request, obj,
add_another_url='admin:admin_custom_urls_city_changelist',
**kwargs):
return super(CityAdmin, self).response_add(request, obj,
add_another_url=add_another_url,
**kwargs)
def response_post_save(self, request, obj):
return HttpResponseRedirect(
reverse('admin:admin_custom_urls_person_history', args=[obj.pk]))
admin.site.register(City, CityAdmin)
class Car(models.Model):
name = models.CharField(max_length=20)
class CarAdmin(admin.ModelAdmin):
def response_add(self, request, obj, post_url_continue=None):
return super(CarAdmin, self).response_add(
request, obj, post_url_continue=reverse('admin:admin_custom_urls_car_history', args=[obj.pk]))
class CarDeprecated(models.Model):
""" This class must be removed in Django 1.6 """
name = models.CharField(max_length=20)
class CarDeprecatedAdmin(admin.ModelAdmin):
""" This class must be removed in Django 1.6 """
def response_add(self, request, obj, post_url_continue=None):
return super(CarDeprecatedAdmin, self).response_add(
request, obj, post_url_continue='../%s/history/')
admin.site.register(Action, ActionAdmin)
admin.site.register(Person, PersonAdmin)
admin.site.register(Car, CarAdmin)
admin.site.register(CarDeprecated, CarDeprecatedAdmin)

79
tests/regressiontests/admin_custom_urls/tests.py
View File

@ -1,5 +1,4 @@
from __future__ import absolute_import, unicode_literals
import warnings
from django.contrib.admin.util import quote
@ -8,7 +7,7 @@ from django.template.response import TemplateResponse
from django.test import TestCase
from django.test.utils import override_settings
from .models import Action, Person, City
from .models import Action, Person, Car, CarDeprecated
@override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
@ -86,8 +85,8 @@ class AdminCustomUrlsTest(TestCase):
@override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
class CustomUrlsWorkflowTests(TestCase):
fixtures = ['users.json']
class CustomRedirects(TestCase):
fixtures = ['users.json', 'actions.json']
def setUp(self):
self.client.login(username='super', password='secret')
@ -95,33 +94,49 @@ class CustomUrlsWorkflowTests(TestCase):
def tearDown(self):
self.client.logout()
def test_old_argument_deprecation(self):
"""Test reporting of post_url_continue deprecation."""
post_data = {
'nick': 'johndoe',
}
cnt = Person.objects.count()
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
response = self.client.post(reverse('admin:admin_custom_urls_person_add'), post_data)
self.assertEqual(response.status_code, 302)
self.assertEqual(Person.objects.count(), cnt + 1)
# We should get a DeprecationWarning
self.assertEqual(len(w), 1)
self.assertTrue(isinstance(w[0].message, DeprecationWarning))
def test_post_save_redirect(self):
"""
Ensures that ModelAdmin.response_post_save() controls the redirection
after the 'Save' button has been pressed.
Refs 8001, 18310, 19505.
"""
post_data = { 'name': 'John Doe', }
self.assertEqual(Person.objects.count(), 0)
response = self.client.post(
reverse('admin:admin_custom_urls_person_add'), post_data)
persons = Person.objects.all()
self.assertEqual(len(persons), 1)
self.assertRedirects(
response, reverse('admin:admin_custom_urls_person_history', args=[persons[0].pk]))
def test_custom_add_another_redirect(self):
"""Test customizability of post-object-creation redirect URL."""
post_data = {
'name': 'Rome',
'_addanother': '1',
}
cnt = City.objects.count()
def test_post_url_continue(self):
"""
Ensures that the ModelAdmin.response_add()'s parameter `post_url_continue`
controls the redirection after an object has been created.
"""
post_data = { 'name': 'SuperFast', '_continue': '1' }
self.assertEqual(Car.objects.count(), 0)
response = self.client.post(
reverse('admin:admin_custom_urls_car_add'), post_data)
cars = Car.objects.all()
self.assertEqual(len(cars), 1)
self.assertRedirects(
response, reverse('admin:admin_custom_urls_car_history', args=[cars[0].pk]))
def test_post_url_continue_string_formats(self):
"""
Ensures that string formats are accepted for post_url_continue. This
is a deprecated functionality that will be removed in Django 1.6 along
with this test.
"""
with warnings.catch_warnings(record=True) as w:
# POST to the view whose post-object-creation redir URL argument we
# are customizing (object creation)
response = self.client.post(reverse('admin:admin_custom_urls_city_add'), post_data)
self.assertEqual(City.objects.count(), cnt + 1)
# Check that it redirected to the URL we set
self.assertRedirects(response, reverse('admin:admin_custom_urls_city_changelist'))
self.assertEqual(len(w), 0) # We should get no DeprecationWarning
post_data = { 'name': 'SuperFast', '_continue': '1' }
self.assertEqual(Car.objects.count(), 0)
response = self.client.post(
reverse('admin:admin_custom_urls_cardeprecated_add'), post_data)
cars = CarDeprecated.objects.all()
self.assertEqual(len(cars), 1)
self.assertRedirects(
response, reverse('admin:admin_custom_urls_cardeprecated_history', args=[cars[0].pk]))
self.assertEqual(len(w), 1)
self.assertTrue(isinstance(w[0].message, DeprecationWarning))