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Refs #27991 -- Made obj a required argument of InlineModelAdmin.has_add_permission(). 

Per deprecation timeline.
This commit is contained in:
Tim Graham 2018-12-27 20:49:02 -05:00
parent 92d4d0859a
commit 6079ed82f4
4 changed files with 5 additions and 166 deletions
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18
django/contrib/admin/checks.py
View File

@ -1,4 +1,3 @@
import warnings
from itertools import chain
from django.apps import apps
@ -16,8 +15,6 @@ from django.forms.models import (
)
from django.template import engines
from django.template.backends.django import DjangoTemplates
from django.utils.deprecation import RemovedInDjango30Warning
from django.utils.inspect import get_func_args
def _issubclass(cls, classinfo):
@ -981,7 +978,6 @@ class ModelAdminChecks(BaseModelAdminChecks):
class InlineModelAdminChecks(BaseModelAdminChecks):
def check(self, inline_obj, **kwargs):
self._check_has_add_permission(inline_obj)
parent_model = inline_obj.parent_model
return [
*super().check(inline_obj),
@ -1066,20 +1062,6 @@ class InlineModelAdminChecks(BaseModelAdminChecks):
else:
return []
def _check_has_add_permission(self, obj):
cls = obj.__class__
try:
func = cls.has_add_permission
except AttributeError:
pass
else:
args = get_func_args(func)
if 'obj' not in args:
warnings.warn(
"Update %s.has_add_permission() to accept a positional "
"`obj` argument." % cls.__name__, RemovedInDjango30Warning
)
def must_be(type, option, obj, id):
return [

18
django/contrib/admin/options.py
View File

@ -45,7 +45,6 @@ from django.urls import reverse
from django.utils.decorators import method_decorator
from django.utils.html import format_html
from django.utils.http import urlencode
from django.utils.inspect import get_func_args
from django.utils.safestring import mark_safe
from django.utils.text import capfirst, format_lazy, get_text_list
from django.utils.translation import gettext as _, ngettext
@ -587,12 +586,11 @@ class ModelAdmin(BaseModelAdmin):
for inline_class in self.inlines:
inline = inline_class(self.model, self.admin_site)
if request:
inline_has_add_permission = inline._has_add_permission(request, obj)
if not (inline.has_view_or_change_permission(request, obj) or
inline_has_add_permission or
inline.has_add_permission(request, obj) or
inline.has_delete_permission(request, obj)):
continue
if not inline_has_add_permission:
if not inline.has_add_permission(request, obj):
inline.max_num = 0
inline_instances.append(inline)
@ -1475,7 +1473,7 @@ class ModelAdmin(BaseModelAdmin):
for inline, formset in zip(inline_instances, formsets):
fieldsets = list(inline.get_fieldsets(request, obj))
readonly = list(inline.get_readonly_fields(request, obj))
has_add_permission = inline._has_add_permission(request, obj)
has_add_permission = inline.has_add_permission(request, obj)
has_change_permission = inline.has_change_permission(request, obj)
has_delete_permission = inline.has_delete_permission(request, obj)
has_view_permission = inline.has_view_permission(request, obj)
@ -2011,11 +2009,6 @@ class InlineModelAdmin(BaseModelAdmin):
js.append('collapse%s.js' % extra)
return forms.Media(js=['admin/js/%s' % url for url in js])
def _has_add_permission(self, request, obj):
# RemovedInDjango30Warning: obj will be a required argument.
args = get_func_args(self.has_add_permission)
return self.has_add_permission(request, obj) if 'obj' in args else self.has_add_permission(request)
def get_extra(self, request, obj=None, **kwargs):
"""Hook for customizing the number of extra inline forms."""
return self.extra
@ -2061,7 +2054,7 @@ class InlineModelAdmin(BaseModelAdmin):
base_model_form = defaults['form']
can_change = self.has_change_permission(request, obj) if request else True
can_add = self._has_add_permission(request, obj) if request else True
can_add = self.has_add_permission(request, obj) if request else True
class DeleteProtectedModelForm(base_model_form):
@ -2126,8 +2119,7 @@ class InlineModelAdmin(BaseModelAdmin):
queryset = queryset.none()
return queryset
def has_add_permission(self, request, obj=None):
# RemovedInDjango31Warning: obj becomes a mandatory argument.
def has_add_permission(self, request, obj):
if self.opts.auto_created:
# We're checking the rights to an auto-created intermediate model,
# which doesn't have its own individual permissions. The user needs

111
tests/modeladmin/test_has_add_permission_obj_deprecation.py
View File

@ -1,111 +0,0 @@
from datetime import date
from django.contrib.admin.options import ModelAdmin, TabularInline
from django.contrib.admin.sites import AdminSite
from django.test import TestCase
from django.utils.deprecation import RemovedInDjango30Warning
from .models import Band, Song
from .test_checks import CheckTestCase
class HasAddPermissionObjTests(CheckTestCase):
def test_model_admin_inherited_valid(self):
class BandAdmin(ModelAdmin):
pass
self.assertIsValid(BandAdmin, Band)
def test_model_admin_valid(self):
class BandAdmin(ModelAdmin):
def has_add_permission(self, request):
return super().has_add_permission(request)
self.assertIsValid(BandAdmin, Band)
def test_inline_admin_inherited_valid(self):
class SongInlineAdmin(TabularInline):
model = Song
class BandAdmin(ModelAdmin):
inlines = [SongInlineAdmin]
self.assertIsValid(BandAdmin, Band)
def test_inline_admin_valid(self):
class SongInlineAdmin(TabularInline):
model = Song
def has_add_permission(self, request, obj):
return super().has_add_permission(request, obj)
class BandAdmin(ModelAdmin):
inlines = [SongInlineAdmin]
self.assertIsValid(BandAdmin, Band)
def test_inline_admin_warning(self):
class SongInlineAdmin(TabularInline):
model = Song
def has_add_permission(self, request):
return super().has_add_permission(request)
class BandAdmin(ModelAdmin):
inlines = [SongInlineAdmin]
msg = (
"Update SongInlineAdmin.has_add_permission() to accept a "
"positional `obj` argument."
)
with self.assertWarnsMessage(RemovedInDjango30Warning, msg):
self.assertIsValid(BandAdmin, Band)
class MockRequest:
method = 'POST'
FILES = {}
POST = {}
class SongInline(TabularInline):
model = Song
def has_add_permission(self, request):
return True
class BandAdmin(ModelAdmin):
inlines = [SongInline]
class ModelAdminTests(TestCase):
@classmethod
def setUpTestData(cls):
cls.band = Band.objects.create(name='The Doors', bio='', sign_date=date(1965, 1, 1))
cls.song = Song.objects.create(name='test', band=cls.band)
def setUp(self):
self.site = AdminSite()
self.request = MockRequest()
self.request.POST = {
'song_set-TOTAL_FORMS': 4,
'song_set-INITIAL_FORMS': 1,
}
self.request.user = self.MockAddUser()
self.ma = BandAdmin(Band, self.site)
class MockAddUser:
def has_perm(self, perm):
return perm == 'modeladmin.add_band'
def test_get_inline_instances(self):
self.assertEqual(len(self.ma.get_inline_instances(self.request)), 1)
def test_get_inline_formsets(self):
formsets, inline_instances = self.ma._create_formsets(self.request, self.band, change=True)
self.assertEqual(len(self.ma.get_inline_formsets(self.request, formsets, inline_instances)), 1)
def test_get_formsets_with_inlines(self):
self.assertEqual(len(list(self.ma. get_formsets_with_inlines(self.request, self.band))), 1)

24
tests/modeladmin/tests.py
View File

@ -734,10 +734,6 @@ class ModelAdminPermissionTests(SimpleTestCase):
def has_perm(self, perm):
return perm == 'modeladmin.add_band'
class MockAddUserWithInline(MockUser):
def has_perm(self, perm):
return perm == 'modeladmin.add_concert'
class MockChangeUser(MockUser):
def has_perm(self, perm):
return perm == 'modeladmin.change_band'
@ -797,26 +793,6 @@ class ModelAdminPermissionTests(SimpleTestCase):
self.assertEqual(len(inline_instances), 1)
self.assertIsInstance(inline_instances[0], ConcertInline)
def test_inline_has_add_permission_without_obj(self):
# This test will be removed in Django 3.1 when `obj` becomes a required
# argument of has_add_permission() (#27991).
class ConcertInline(TabularInline):
model = Concert
def has_add_permission(self, request):
return super().has_add_permission(request)
class BandAdmin(ModelAdmin):
inlines = [ConcertInline]
ma = BandAdmin(Band, AdminSite())
request = MockRequest()
request.user = self.MockAddUserWithInline()
band = Band(name='The Doors', bio='', sign_date=date(1965, 1, 1))
inline_instances = ma.get_inline_instances(request, band)
self.assertEqual(len(inline_instances), 1)
self.assertIsInstance(inline_instances[0], ConcertInline)
def test_has_change_permission(self):
"""
has_change_permission returns True for users who can edit objects and