Method validate

cassandra/cqlengine/columns.py:703–710

(self, value)

class BaseFloat(Column):
    def validate(self, value):
        value = super(BaseFloat, self).validate(value)
        if value is None:
            return
        try:
            return float(value)
        except (TypeError, ValueError):
            raise ValidationError("{0} {1} is not a valid float".format(self.column_name, value))

    def to_python(self, value):
        return self.validate(value)