o
    KK&hS  ã                   @  s,   d dl mZ d dlZdgZG dd„ dƒZdS )é    )ÚannotationsNÚDeadlinec                   @  s*   e Zd ZdZddd„Zdd	œddd„ZdS )r   zŒ
    Manage timeouts across multiple steps.

    Args:
        timeout: Time available in seconds or :obj:`None` if there is no limit.

    Útimeoutúfloat | NoneÚreturnÚNonec                 C  s(   |  |d u rd | _ d S t ¡ | | _ d S )N)ÚdeadlineÚtimeÚ	monotonic)Úselfr   © r   úH/var/www/html/venv/lib/python3.10/site-packages/websockets/sync/utils.pyÚ__init__   s   
zDeadline.__init__T)Úraise_if_elapsedr   Úboolc                C  s4   | j du rdS | j t ¡  }|r|dkrtdƒ‚|S )aL  
        Calculate a timeout from a deadline.

        Args:
            raise_if_elapsed: Whether to raise :exc:`TimeoutError`
                if the deadline lapsed.

        Raises:
            TimeoutError: If the deadline lapsed.

        Returns:
            Time left in seconds or :obj:`None` if there is no limit.

        Nr   z	timed out)r   r	   r
   ÚTimeoutError)r   r   r   r   r   r   r      s   
zDeadline.timeoutN)r   r   r   r   )r   r   r   r   )Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   r   r   r   	   s    
)Ú
__future__r   r	   Ú__all__r   r   r   r   r   Ú<module>   s    