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Fixed #20859 - Clarified Model.clean() example.

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Jimmy Song 2013-08-04 19:40:16 +00:00 committed by Tim Graham
parent 26c4bd38ac
commit 94d7fed775
2 changed files with 14 additions and 9 deletions
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AUTHORS
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@ -543,6 +543,7 @@ answer newbie questions, and generally made Django that much better:
smurf@smurf.noris.de smurf@smurf.noris.de
Vsevolod Solovyov Vsevolod Solovyov
George Song <george@damacy.net> George Song <george@damacy.net>
Jimmy Song <jaejoon@gmail.com>
sopel sopel
Leo Soto <leo.soto@gmail.com> Leo Soto <leo.soto@gmail.com>
Thomas Sorrel Thomas Sorrel

6
docs/ref/models/instances.txt
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@ -140,9 +140,13 @@ attributes on your model if desired. For instance, you could use it to
automatically provide a value for a field, or to do validation that requires automatically provide a value for a field, or to do validation that requires
access to more than a single field:: access to more than a single field::
def clean(self):
import datetime import datetime
from django.core.exceptions import ValidationError from django.core.exceptions import ValidationError
from django.db import models
class Article(models.Model):
...
def clean(self):
# Don't allow draft entries to have a pub_date. # Don't allow draft entries to have a pub_date.
if self.status == 'draft' and self.pub_date is not None: if self.status == 'draft' and self.pub_date is not None:
raise ValidationError('Draft entries may not have a publication date.') raise ValidationError('Draft entries may not have a publication date.')