o
    i                     @   sL   d Z ddlZddlmZ ddlmZ G dd dZdeded	efd
dZdS )z#Import optimizer class dynamically.    N)dynamic_import)fill_missing_argsc                   @   sJ   e Zd ZdZedejfddZedejdejfddZ	e
d	d
 ZdS )OptimizerFactoryInterfacezOptimizer adaptor.argsc                 C   s   t  )zInitialize optimizer from argparse Namespace.

        Args:
            target: for pytorch `model.parameters()`,
                for chainer `model`
            args (argparse.Namespace): parsed command-line args

        )NotImplementedError)targetr    r   L/home/ubuntu/.local/lib/python3.10/site-packages/espnet/optimizer/factory.py	from_args   s   
z#OptimizerFactoryInterface.from_argsparserreturnc                 C   s   | S )zRegister args.r   )r   r   r   r	   add_arguments   s   z'OptimizerFactoryInterface.add_argumentsc                 K   s(   t jdi |}t|| j}| ||S )zInitialize optimizer with python-level args.

        Args:
            target: for pytorch `model.parameters()`,
                for chainer `model`

        Returns:
            new Optimizer

        Nr   )argparse	Namespacer   r   r
   )clsr   kwargsr   r   r   r	   build   s   zOptimizerFactoryInterface.buildN)__name__
__module____qualname____doc__staticmethodr   r   r
   ArgumentParserr   classmethodr   r   r   r   r	   r      s    r   namebackendr   c                 C   sF   |dkrddl m} ||  S |dkrddlm} ||  S td| )a  Import optimizer class dynamically.

    Args:
        name (str): alias name or dynamic import syntax `module:class`
        backend (str): backend name e.g., chainer or pytorch

    Returns:
        OptimizerFactoryInterface or FunctionalOptimizerAdaptor

    pytorchr   )OPTIMIZER_FACTORY_DICTchainerzunsupported backend: )espnet.optimizer.pytorchr   espnet.optimizer.chainerr   r   
issubclassr   )r   r   r   factory_classr   r   r	   dynamic_import_optimizer-   s   r#   )	r   r   espnet.utils.dynamic_importr   espnet.utils.fill_missing_argsr   r   strr#   r   r   r   r	   <module>   s    %