#29655: Cannot enter Django admin interface when model instances are validated 
on
save
---------------------------------+--------------------------------------
     Reporter:  Evgeny Arshinov  |                    Owner:  nobody
         Type:  Bug              |                   Status:  closed
    Component:  Uncategorized    |                  Version:  2.1
     Severity:  Normal           |               Resolution:  invalid
     Keywords:                   |             Triage Stage:  Unreviewed
    Has patch:  0                |      Needs documentation:  0
  Needs tests:  0                |  Patch needs improvement:  0
Easy pickings:  0                |                    UI/UX:  0
---------------------------------+--------------------------------------
Changes (by Simon Charette):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 Enabling model validation on save is likely to break a few things and
 degrade performance significantly. I don't think that's a pattern we
 should encourage or support at this point.

 Django and third-party applications simply don't expect `ValidationError`
 to be thrown on `save()`, this effectively change the signature of the
 function.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29655#comment:3>
Django <https://code.djangoproject.com/>
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