a
    h                     @   sZ   d dl Z d dlZd dlmZ d dlmZ eedddZejddd	ZG d
d dZ	dS )    N)Template)Any)env_namereturnc                 C   s.   t j| d}|du r*d|  d}t||S )z
    Tries to retrieve environment variable. Raises ``ValueError``
    if no environment variable found.

    Args:
        env_name (str): Name of the env variable
    NzEnvironment variable z expected, but not set)osenvironget
ValueError)r   valuemsg r   Q/var/www/auris/lib/python3.9/site-packages/torch/distributed/elastic/utils/api.pyget_env_variable_or_raise   s
    r   )r   c               	   C   s   t jdd t jt jd} | D ]Z}|\}}}}}t  |||}z|d |d |W   S  tyr   |  Y q0 qtdd S )N	localhost)hostportfamilytype)r   r   r   zFailed to create a socket)	socketgetaddrinfo	AF_UNSPECSOCK_STREAMbindlistenOSErrorcloseRuntimeError)addrsaddrr   r   proto_sr   r   r   get_socket_with_port   s    


r"   c                   @   s2   e Zd ZdZdZeee eee dddZ	dS )macroszS
    Defines simple macros for caffe2.distributed.launch cmd args substitution
    z${local_rank})args
local_rankr   c                 C   sB   g }| D ]4}t |tr2t|j|d}|| q|| q|S )N)r%   )
isinstancestrr   safe_substituteappend)r$   r%   Zargs_subargsubr   r   r   
substitute5   s    
zmacros.substituteN)
__name__
__module____qualname____doc__r%   staticmethodlistr   r'   r,   r   r   r   r   r#   .   s   r#   )
r   r   stringr   typingr   r'   r   r"   r#   r   r   r   r   <module>	   s   