python.python-experimental.model_templates.methods_setattr_getattr_composed.mustache Maven / Gradle / Ivy

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    def __setattr__(self, name, value):
        """this allows us to set a value with instance.field_name = val"""
        if name in self.required_properties:
            self.__dict__[name] = value
            return

        # set the attribute on the correct instance
        model_instances = self._var_name_to_model_instances.get(
            name, self._additional_properties_model_instances)
        if model_instances:
            for model_instance in model_instances:
                if model_instance == self:
                    self.set_attribute(name, value)
                else:
                    setattr(model_instance, name, value)
                if name not in self._var_name_to_model_instances:
                    # we assigned an additional property
                    self.__dict__['_var_name_to_model_instances'][name] = (
                        model_instance
                    )
            return None

        path_to_item = []
        if self._path_to_item:
            path_to_item.extend(self._path_to_item)
        path_to_item.append(name)
        raise ApiKeyError(
            "{0} has no key '{1}'".format(type(self).__name__, name),
            path_to_item
        )

    def __getattr__(self, name):
        """this allows us to get a value with val = instance.field_name"""
        if name in self.required_properties:
            return self.__dict__[name]

        # get the attribute from the correct instance
        model_instances = self._var_name_to_model_instances.get(
            name, self._additional_properties_model_instances)
        path_to_item = []
        if self._path_to_item:
            path_to_item.extend(self._path_to_item)
        path_to_item.append(name)
        values = set()
        if model_instances:
            for model_instance in model_instances:
                if name in model_instance._data_store:
                    values.add(model_instance._data_store[name])
        len_values = len(values)
        if len_values == 0:
            raise ApiKeyError(
                "{0} has no key '{1}'".format(type(self).__name__, name),
                path_to_item
            )
        elif len_values == 1:
            return list(values)[0]
        elif len_values > 1:
            raise ApiValueError(
                "Values stored for property {0} in {1} difffer when looking "
                "at self and self's composed instances. All values must be "
                "the same".format(name, type(self).__name__),
                path_to_item
            )