def range_validator(self, column):
        min_ = column.info.get('min')
        max_ = column.info.get('max')

        if min_ is not None or max_ is not None:
            if is_number(column.type) or is_number_range(column.type):
                return self.get_validator('number_range', min=min_, max=max_)
            elif is_date_column(column):
                return self.get_validator('date_range', min=min_, max=max_)
            elif isinstance(column.type, sa.types.Time):
                return self.get_validator('time_range', min=min_, max=max_)
Returns range validator based on column type and column info min and
dataset/ETHPy150Open kvesteri/wtforms-alchemy/wtforms_alchemy/generator.py/FormGenerator.range_validator