For a formwizard, I'm trying to set the values of a
ModelMultipleChoiceField in the form's clean() method, based on the
cleaned_data from another field, and it's not working.
Here's roughly what I'm trying to do:
# forms.py
from django import forms
from myapp.models import MyModel
class MyForm(forms.Form):
codes = forms.CharField(widget=forms.Textarea)
items =
forms.ModelMultipleChoiceField(queryset=MyModel.objects.all(),
required=False)
def clean_codes(self):
codes = self.cleaned_data.get('codes')
items = []
for code in codes.split():
try:
items.append(MyModel.objects.get(code=code)
except MyModel.DoesNotExist:
raise forms.ValidationError('Invalid code: %s' %
code)
self.items = items
return codes
def clean(self):
super(MyForm, self).clean()
data = self.cleaned_data
data['items'] = self.items
return data
I've also tried assigning a list of model IDs, a string representation
of model IDs, or a queryset of model objects to data['items'], but
regardless of what I do, the items field returns/displays no values
selected. Any suggestions?
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