#20143: Lazy loading of related fields does not work
-------------------------------------+-------------------------------------
Reporter: andreas_pelme | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.5
(models, ORM) | Resolution:
Severity: Normal | Triage Stage:
Keywords: | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by nip3o):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Comment:
Reproduced on Ubuntu 12.04 LTS, Django 1.4.3 and Django 1.5
{{{
$ DJANGO_SETTINGS_MODULE=lazy_model_loading.settings python
Python 2.7.3 (default, Aug 1 2012, 05:14:39)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from foo.models import Foo
>>> Foo()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py",
line 397, in __init__
val = field.get_default()
File "/usr/local/lib/python2.7/dist-
packages/django/db/models/fields/related.py", line 1038, in get_default
if isinstance(field_default, self.rel.to):
TypeError: isinstance() arg 2 must be a class, type, or tuple of classes
and types
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/20143#comment:1>
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