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Resolve #557 -- Improve documentation for ModelSelect2TagWidget

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This commit is contained in:
Johannes Hoppe 2019-07-08 16:34:51 +02:00
parent 8494b10fcc
commit 4f96e21333
1 changed files with 9 additions and 8 deletions
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17
django_select2/forms.py
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@ -552,14 +552,15 @@ class ModelSelect2TagWidget(ModelSelect2Mixin, HeavySelect2TagWidget):
queryset = MyModel.objects.all()
def value_from_datadict(self, data, files, name):
values = super().value_from_datadict(self, data, files, name)
qs = self.queryset.filter(**{'pk__in': list(values)})
pks = set(str(getattr(o, pk)) for o in qs)
cleaned_values = []
for val in value:
if str(val) not in pks:
val = queryset.create(title=val).pk
cleaned_values.append(val)
'''Create objects for given non-pimary-key values. Return list of all primary keys.'''
values = set(super().value_from_datadict(data, files, name))
# This may only work for MyModel, if MyModel has title field.
# You need to implement this method yourlself, to ensure proper object creation.
pks = self.queryset.filter(**{'pk__in': list(values)}).values_list('pk', flat=True)
pks = set(map(str, pks))
cleaned_values = list(values)
for val in values - pks:
cleaned_values.append(self.queryset.create(title=val).pk)
return cleaned_values
"""