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#7205: Handle null_option in dynamic multi-select choices field

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thatmattlove 2021-09-07 18:28:49 -07:00
parent a79f9566e9
commit 9f4b9b3476
1 changed files with 10 additions and 0 deletions
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10
netbox/utilities/forms/fields.py
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@ -477,3 +477,13 @@ class DynamicModelMultipleChoiceField(DynamicModelChoiceMixin, forms.ModelMultip
""" """
filter = django_filters.ModelMultipleChoiceFilter filter = django_filters.ModelMultipleChoiceFilter
widget = widgets.APISelectMultiple widget = widgets.APISelectMultiple
def clean(self, value: list[str]):
"""
When null option is enabled and "None" is sent as part of a form to be submitted, it is sent as the
string 'null'. This will check for that condition and gracefully handle the conversion to a NoneType.
"""
if self.null_option is not None and settings.FILTERS_NULL_CHOICE_VALUE in value:
value = [v for v in value if v != settings.FILTERS_NULL_CHOICE_VALUE]
return [self.null_option, *value]
return super().clean(value)