#37147: Empty form for inlines breaks when using db_default on primary key field
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Reporter: Mariusz Felisiak | Owner: Mariusz
| Felisiak
Type: Bug | Status: assigned
Component: Forms | Version: 6.0
Severity: Normal | Resolution:
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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Comment (by Mariusz Felisiak):
The following fixes this issue for me:
{{{#!diff
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index f401896b60..140bd3e395 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -343,7 +343,9 @@ class Widget(metaclass=MediaDefiningClass):
"""
Return a value as it should appear when rendered in a template.
"""
- if value == "" or value is None:
+ from django.db.models.expressions import DatabaseDefault
+
+ if value == "" or value is None or isinstance(value,
DatabaseDefault):
return None
if self.is_localized:
return formats.localize_input(value)
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/37147#comment:1>
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