#21893: Migrations RunPython operations seem to trip on MTI models.
----------------------------+-------------------------
Reporter: loic84 | Owner:
Type: Bug | Status: new
Component: Migrations | Version: 1.7-alpha-1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
----------------------------+-------------------------
The attached tests demonstrate 2 issues:
- The pk isn't assigned after a call to `objects.create()`, although I can
confirm that the object is properly created.
{{{
pony = ShetlandPony.objects.create()
self.assertIsNot(pony.pk, None)
}}}
- `objects.create()` doesn't accept any arguments that refer to
superclasses' fields:
{{{
>>> pony = ShetlandPony.objects.create(weight=5)
Traceback (most recent call last):
File "/Users/loic/Dev/django/tests/migrations/test_operations.py", line
544, in test_run_python
operation.database_forwards("test_runpython", editor, project_state,
new_state)
File
"/Users/loic/Dev/django/django/db/migrations/operations/special.py", line
141, in database_forwards
self.code(models=from_state.render(), schema_editor=schema_editor)
File "/Users/loic/Dev/django/tests/migrations/test_operations.py", line
538, in create_shetlandponies
pony2 = ShetlandPony.objects.create(weight=5)
File "/Users/loic/Dev/django/django/db/models/manager.py", line 92, in
manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/Users/loic/Dev/django/django/db/models/query.py", line 364, in
create
obj = self.model(**kwargs)
File "/Users/loic/Dev/django/django/db/models/base.py", line 465, in
__init__
raise TypeError("'%s' is an invalid keyword argument for this
function" % list(kwargs)[0])
TypeError: 'weight' is an invalid keyword argument for this function
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/21893>
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