관리-도구
편집 파일: wait.cpython-38.pyc
U &?�f � @ s� d dl Z d dlZd dlZd dlmZ zd dlmZ W n ek rT d dlmZ Y nX dddgZG dd� de �Z ej d kr�d d � Z nd d � Z ddd�Z ddd�Zdd� Zdd� Zdd� ad dd�Zd dd�ZdS ) � N)�partial)� monotonic)�time�NoWayToWaitForSocketError� wait_for_read�wait_for_writec @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �K/opt/hc_python/lib/python3.8/site-packages/pip/_vendor/urllib3/util/wait.pyr s )� � c C s | |�S )Nr )�fn�timeoutr r r �_retry_on_intr* s r c C s� |d krt d�}n t� | }z | |�W S ttjfk r� } zF|jd tjkrR� n.|t� }|dk rhd}|t d�krxd }W Y �q W 5 d }~X Y q X q d S )N�infr )�floatr �OSError�select�error�args�errnoZEINTR)r r �deadline�er r r r / s Fc C sd |s|st d��g }g }|r&|�| � |r4|�| � ttj|||�}t||�\}}} t|p`|p`| �S )N�2must specify at least one of read=True, write=True)� RuntimeError�appendr r r �bool) �sock�read�writer �rcheck�wcheckr �rready�wready�xreadyr r r �select_wait_for_socketF s r' c s^ |s|st d��d}|r"|tjO }|r0|tjO }t�� � � �| |� � fdd�}tt||��S )Nr r c s | d k r| d9 } � � | �S )Ni� )�poll)�t��poll_objr r �do_polle s z%poll_wait_for_socket.<locals>.do_poll)r r �POLLIN�POLLOUTr( �registerr r )r r r! r �maskr, r r* r �poll_wait_for_socketY s r1 c O s t d��d S )Nz no select-equivalent available)r �r �kwargsr r r �null_wait_for_socketm s r4 c C s< zt �� } t| jd� W n ttfk r2 Y dS X dS d S )Nr FT)r r( r �AttributeErrorr r* r r r �_have_working_pollq s r6 c O s* t � r tanttd�r tantat| |�S )Nr )r6 r1 �wait_for_socket�hasattrr r' r4 r2 r r r r7 ~ s r7 c C s t | d|d�S )z�Waits for reading to be available on a given socket. Returns True if the socket is readable, or False if the timeout expired. T)r r �r7 �r r r r r r � s c C s t | d|d�S )z�Waits for writing to be available on a given socket. Returns True if the socket is readable, or False if the timeout expired. T)r! r r9 r: r r r r � s )FFN)FFN)N)N)r r �sys� functoolsr r r � ImportError�__all__� Exceptionr � version_infor r' r1 r4 r6 r7 r r r r r r �<module> s&