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Fixed #4287 -- Fixed NaN and +/- Infinity handling in FloatField

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NaN, +Inf, and -Inf are no longer valid values for FloatFields.
This commit is contained in:
Daniel Langer
2013-09-06 16:54:48 +00:00
committed by Tim Graham
parent cd4068f359
commit cc957cb16c
2 changed files with 12 additions and 0 deletions
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9
django/forms/fields.py
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@@ -279,6 +279,15 @@ class FloatField(IntegerField):
raise ValidationError(self.error_messages['invalid'], code='invalid')
return value
def validate(self, value):
super(FloatField, self).validate(value)
# Check for NaN (which is the only thing not equal to itself) and +/- infinity
if value != value or value in (Decimal('Inf'), Decimal('-Inf')):
raise ValidationError(self.error_messages['invalid'], code='invalid')
return value
def widget_attrs(self, widget):
attrs = super(FloatField, self).widget_attrs(widget)
if isinstance(widget, NumberInput):