#19423: using formfield_overrides to set CharField size causes all admin fields
to
use last max_length in model definition
------------------------------+--------------------------------------------
Reporter: joebuyer@… | Owner: nobody
Type: Bug | Status: new
Component: | Version: 1.4
Uncategorized | Keywords: max_length formfield_overrides
Severity: Normal | Has patch: 0
Triage Stage: Unreviewed | UI/UX: 0
Easy pickings: 0 |
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Here's my example. See how title and ISBN are defined with max_length of
100 and 14. The override cause both fields to have max_length of 14 with
respect to a user who is editing in the change form - a 15th character
cannot be inserted into the title field.
models.py:
from django.db import models
class Book(models.Model):
title = models.CharField(max_length=100,blank=True, null=True)
ISBN13 = models.CharField(max_length=14,unique=True)
def __unicode__(self):
return self.title
admin.py:
from django.contrib import admin
from django.db import models
from django.forms import TextInput
from books.models import Book
class BookAdmin(admin.ModelAdmin):
formfield_overrides = {
# Django enforces maximum field length of 14 onto 'title' field
when user is editing in the change form
models.CharField: {'widget': TextInput(attrs={'size':'30'})},
}
admin.site.register(Book,BookAdmin)
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Ticket URL: <https://code.djangoproject.com/ticket/19423>
Django <https://code.djangoproject.com/>
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