#32619: 'ManyToOneRel' object has no attribute 'get_limit_choices_to'
-----------------------------------------+------------------------
Reporter: Seb G | Owner: nobody
Type: Bug | Status: new
Component: contrib.admin | Version: 3.2
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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= Summary
The newly introduced feature in Django 3.2
ModelAdmin.autocomplete_fields now respects ForeignKey.to_field and
ForeignKey.limit_choices_to when searching a related model)
Triggers a bug when used on `ManyToOneRel`:
{{{
Traceback (most recent call last):
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/core/handlers/base.py", line 181, in _get_response
response = wrapped_callback(request, *callback_args,
**callback_kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/contrib/admin/sites.py", line 250, in wrapper
return self.admin_view(view, cacheable)(*args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/utils/decorators.py", line 130, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/views/decorators/cache.py", line 44, in _wrapped_view_func
response = view_func(request, *args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/contrib/admin/sites.py", line 232, in inner
return view(request, *args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/contrib/admin/sites.py", line 417, in autocomplete_view
return AutocompleteJsonView.as_view(admin_site=self)(request)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/views/generic/base.py", line 70, in view
return self.dispatch(request, *args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/views/generic/base.py", line 98, in dispatch
return handler(request, *args, **kwargs)
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/contrib/admin/views/autocomplete.py", line 25, in get
self.object_list = self.get_queryset()
File "/home/me/.virtualenvs/myproject/lib/python3.7/site-
packages/django/contrib/admin/views/autocomplete.py", line 42, in
get_queryset
qs = qs.complex_filter(self.source_field.get_limit_choices_to())
AttributeError: 'ManyToOneRel' object has no attribute
'get_limit_choices_to'
}}}
= Steps to reproduce
Use the following model:
{{{#!python
class Ticket(models.Model)
user = models.ForeignKey("users.User, on_delete=models.PROTECT,
verbose_name=_("user"))
}}}
And the following admin:
{{{#!python
@admin.register(Ticket)
class TicketAdmin(admin.ModelAdmin):
autocomplete_fields = ("user",)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/32619>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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