Method validate

django/forms/fields.py:385–390

(self, value)

        return value

    def validate(self, value):
        super().validate(value)
        if value in self.empty_values:
            return
        if not math.isfinite(value):
            raise ValidationError(self.error_messages["invalid"], code="invalid")

    def widget_attrs(self, widget):
        attrs = super().widget_attrs(widget)