Why Parameter is automatically registered?

richard2357 · May 31, 2017, 9:03pm

Hi all,

From the source code, I did not find in Module why Parameter is automatically registered? 

Do anyone can explain?

Best wishes,

Qiuqiang

smth · June 1, 2017, 5:20pm

It’s because of the following code in __get_attr__ but also in the rest of this file:

github.com

pytorch/pytorch/blob/d1a44676828ef65067414c938b15412f85d1a39e/torch/nn/modules/module.py#L225-L283


def __getattr__(self, name):
    if '_parameters' in self.__dict__:
        _parameters = self.__dict__['_parameters']
        if name in _parameters:
            return _parameters[name]
    if '_buffers' in self.__dict__:
        _buffers = self.__dict__['_buffers']
        if name in _buffers:
            return _buffers[name]
    if '_modules' in self.__dict__:
        modules = self.__dict__['_modules']
        if name in modules:
            return modules[name]
    raise AttributeError("'{}' object has no attribute '{}'".format(
        type(self).__name__, name))


def __setattr__(self, name, value):
    def remove_from(*dicts):
        for d in dicts:
            if name in d:

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richard2357 · June 1, 2017, 7:41pm

Dear Soumith,

Many thanks for the reply! I am clear now!

Best wishes,

Qiuqiang