#27976: label_from_instance fails silently: form field disappears.
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Reporter: Wim Feijen | Owner: nobody
Type: | Status: new
Cleanup/optimization |
Component: Forms | Version: 1.8
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 kapil garg):
I tested it without crispy_form on dev version and it does throw an
Exception. Here are the code samples i used
{{{
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
def __str__(self):
return self.question_text
class Choice(models.Model):
question = models.ForeignKey(Question, on_delete=models.CASCADE)
choice_text = models.CharField(max_length=200)
votes = models.IntegerField(default=0)
def __str__(self):
return self.choice_text
class TestForm(ModelForm):
def __init__(self, *args, **kwargs):
super(TestForm, self).__init__(*args, **kwargs)
self.fields['question'].label_from_instance = lambda obj: obj.name
class Meta:
model = Choice
fields = ['question', 'choice_text']
}}}
So i assume, crispy_forms has to do something with that behaviour.
--
Ticket URL: <https://code.djangoproject.com/ticket/27976#comment:3>
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