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a s�hX � @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddlm Z ddl Z ddl m Z dd� ZG dd� de�ZG d d � d e�ZG d d � d e�Zed �fdd�Zed �fdd�Zdd� ZG dd� de�Zddd�Zedko�e� dS )z: A simple library for managing the availability of ports. � N)�abc)�timingc C s | dkr dS | dv rdS | S )z� Return the host on which a client can connect to the given listener. >>> client_host('192.168.0.1') '192.168.0.1' >>> client_host('0.0.0.0') '127.0.0.1' >>> client_host('::') '::1' z0.0.0.0z 127.0.0.1)z::z::0z ::0.0.0.0z::1� )Z server_hostr r �w/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/portend.py� client_host s r c @ s( e Zd Zd dd�Zd dd�Zdd� ZdS ) �Checker� �?c C s || _ d S �N��timeout)�selfr r r r �__init__) s zChecker.__init__Nc C sb |du r$t |tj�r$|dd� \}}t�� dkr8t|�}t�||tjtj �}t t � | j |�� dS )a� Assert that the given addr is free in that all attempts to connect fail within the timeout or raise a PortNotFree exception. >>> free_port = find_available_local_port() >>> Checker().assert_free('localhost', free_port) >>> Checker().assert_free('127.0.0.1', free_port) >>> Checker().assert_free('::1', free_port) Also accepts an addr tuple >>> addr = '::1', free_port, 0, 0 >>> Checker().assert_free(addr) Host might refer to a server bind address like '::', which should use localhost to perform the check. >>> Checker().assert_free('::', free_port) N� �Windows)� isinstancer �Sequence�platform�systemr �socket� getaddrinfo� AF_UNSPEC� SOCK_STREAM�list� itertools�starmap�_connect)r �host�port�infor r r � assert_free, s zChecker.assert_freec C s� t � |||�}|�| j� t�|��B z|�|� W n" t jyV Y W d � d S 0 W d � n1 sl0 Y |d d� \}}d} t| jf i t � ����d S )Nr z Port {port} is in use on {host}.) r � settimeoutr � contextlib�closing�connect�error� PortNotFree�format�locals) r �af�socktype�proto� canonname�sa�sr r �tmplr r r r I s 2zChecker._connect)r )N)�__name__� __module__� __qualname__r r r r r r r r ( s r c @ s e Zd ZdS )�TimeoutN�r/ r0 r1 r r r r r2 Z s r2 c @ s e Zd ZdS )r% Nr3 r r r r r% ^ s r% ZInfc C sp | s t d��t�|�}ztdd��| |� W dS tyh |�� rZtdjf i t � ����t � d� Y q0 qdS )u� Wait for the specified port to become free (dropping or rejecting requests). Return when the port is free or raise a Timeout if timeout has elapsed. Timeout may be specified in seconds or as a timedelta. If timeout is None or ∞, the routine will run indefinitely. >>> free('localhost', find_available_local_port()) >>> free(None, None) Traceback (most recent call last): ... ValueError: Host values of '' or None are not allowed. �*Host values of '' or None are not allowed.皙�����?r Nz Port {port} not free on {host}.) � ValueErrorr �Timerr r r% �expiredr2 r& r' �time�sleep�r r r Ztimerr r r �freeb s r< c C sp | s t d��t�|�}z>tdd��| |� |�� rHtdjf i t� ����t � d� W q t yh Y dS 0 qdS )uE Wait for the specified port to become occupied (accepting requests). Return when the port is occupied or raise a Timeout if timeout has elapsed. Timeout may be specified in seconds or as a timedelta. If timeout is None or ∞, the routine will run indefinitely. >>> occupied('localhost', find_available_local_port(), .1) Traceback (most recent call last): ... Timeout: Port ... not bound on localhost. >>> occupied(None, None) Traceback (most recent call last): ... ValueError: Host values of '' or None are not allowed. r4 g �?r z Port {port} not bound on {host}.r5 N) r6 r r7 r r r8 r2 r& r' r9 r: r% r; r r r �occupied� s r= c C s` t �ddt jt j�} tt| ��\}}}}}t � ||�}|�|� |�� dd� \}}|�� |S )zb Find a free port on localhost. >>> 0 < find_available_local_port() < 65536 True Nr r ) r r r r �next�iter�bind� getsockname�close)�infos�familyr* �_�addr�sockr r r r �find_available_local_port� s rH c @ s4 e Zd ZdZedd� �Zedd� �Zedd� �ZdS ) �HostPorta A simple representation of a host/port pair as a string >>> hp = HostPort('localhost:32768') >>> hp.host 'localhost' >>> hp.port 32768 >>> len(hp) 15 >>> hp = HostPort('[::1]:32768') >>> hp.host '::1' >>> hp.port 32768 c C s t j�d| � ��jS �Nz//)�urllib�parse�urlparse�hostname�r r r r r � s z HostPort.hostc C s t j�d| � ��jS rJ )rK rL rM r rO r r r r � s z HostPort.portc C sF |d d� \}}t |�}d|v r,d|� d�n|}| d�|t|�g��S )Nr �:�[�])r �join�str)�clsrF Z listen_hostr Z plain_hostr r r r � from_addr� s zHostPort.from_addrN) r/ r0 r1 �__doc__�propertyr r � classmethodrV r r r r rI � s rI c C s� t �� }dd� }|jddtd� |jdd|d� |jdd d td � |�| �} z | j| jj| jj | j d � W n: t y� } z"t |t jd � td ��W Y d }~n d }~0 0 d S )Nc S s t � | S r )�globals)�keyr r r � global_lookup� s z _main.<locals>.global_lookup�targetz host:port)�metavar�type�func�statez-tz --timeout)�defaultr_ r )�file� )�argparse�ArgumentParser� add_argumentrI �float� parse_argsr` r] r r r r2 �print�sys�stderr� SystemExit)�args�parserr\ r r r r �_main� s rp �__main__)N) rW r9 r re rk r r! r � collectionsr � urllib.parserK Ztemporar r �objectr �IOErrorr2 r% rh r< r= rH rT rI rp r/ r r r r �<module> s( 2!$(
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