def _run_validators(self, value):
        errors = []
        for v in self.validators:
            try:
                v(value)
            except ValidationError, e:
                errors.extend(e.messages)
        if errors:
            raise ValidationError(errors)
read config from INI files
dataset/ETHPy150Open wuher/devil/devil/fields/fields.py/NestedField._run_validators--crossover with--dataset/ETHPy150Open pydoit/doit/doit/doit_cmd.py/DoitMain.load_config_ini