#27967: The autogenerated OneToOneField on multi table inheritance breaks the
InlineAdminForm given UUID pk
-----------------------------------------+------------------------
Reporter: Robin Anupol | Owner: nobody
Type: Uncategorized | Status: new
Component: contrib.admin | Version: 1.10
Severity: Normal | Keywords: admin
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 1
UI/UX: 0 |
-----------------------------------------+------------------------
I'm receiving MultiValueDictKeyError given the following setup:
{{{
# models.py
class A(models.Model):
id = models.UUIDField(primary_key=True, default=uuid.uuid4,
editable=False)
name = models.CharField(max_length=32)
class B(A):
s = models.ForeignKey('S', models.PROTECT)
class S(models.Model):
name = models.CharField(max_length=32)
# admin.py
class BInline(admin.StackedInline):
model = B
@admin.register(S)
class SAdmin(admin.ModelAdmin):
inlines = [BInline]
}}}
To get the error:
1. On admin page, create an S instance.
2. On S instance, create 1 B inline instance then save.
3. Still on S instance, create another B inline instance then save.
Here's the trace:
{{{
Traceback (most recent call last):
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/core/handlers/exception.py", line 42, in inner
response = get_response(request)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args,
**callback_kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/contrib/admin/options.py", line 544, in wrapper
return self.admin_site.admin_view(view)(*args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/decorators.py", line 149, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/views/decorators/cache.py", line 57, in _wrapped_view_func
response = view_func(request, *args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/contrib/admin/sites.py", line 211, in inner
return view(request, *args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/contrib/admin/options.py", line 1512, in change_view
return self.changeform_view(request, object_id, form_url,
extra_context)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/decorators.py", line 67, in _wrapper
return bound_func(*args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/decorators.py", line 149, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/decorators.py", line 63, in bound_func
return func.__get__(self, type(self))(*args2, **kwargs2)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/decorators.py", line 185, in inner
return func(*args, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/contrib/admin/options.py", line 1448, in changeform_view
if all_valid(formsets) and form_validated:
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/formsets.py", line 456, in all_valid
if not formset.is_valid():
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/formsets.py", line 321, in is_valid
self.errors
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/formsets.py", line 295, in errors
self.full_clean()
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/formsets.py", line 343, in full_clean
form = self.forms[i]
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/functional.py", line 35, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/formsets.py", line 144, in forms
for i in range(self.total_form_count())]
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/models.py", line 896, in _construct_form
form = super(BaseInlineFormSet, self)._construct_form(i, **kwargs)
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/forms/models.py", line 593, in _construct_form
pk = self.data[pk_key]
File "/home/rnddev/.virtualenvs/vulcan/local/lib/python2.7/site-
packages/django/utils/datastructures.py", line 85, in __getitem__
raise MultiValueDictKeyError(repr(key))
MultiValueDictKeyError: "u'b_set-0-a_ptr'"
}}}
More info:
The error presents itself under both SQLite and PostgreSQL.
If the id of the parent A is the default AutoField, there's no error.
I specified InlineAdminForm because there's a relevant check there
(method: needs_explicit_pk_field) that might be the issue.
--
Ticket URL: <https://code.djangoproject.com/ticket/27967>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
--
You received this message because you are subscribed to the Google Groups
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/django-updates/048.00500290009587cbf081eb74a4b4148b%40djangoproject.com.
For more options, visit https://groups.google.com/d/optout.
