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편집 파일: connectionpool.cpython-38.pyc
U &?�f]� � @ s( d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlmZ d dlm Z ddl m Z ddlmZmZmZmZmZmZmZmZ ddlmZmZmZmZm Z m Z m Z m Z m Z m!Z!m"Z"m#Z#m$Z$ dd l%m&Z& dd l'm(Z( dd l)m*Z* dd l+m,Z, dd l-m.Z. ddl/m0Z0 ddl1m2Z2 ddl3m4Z4 ddl5m6Z6 ddl7m8Z8 ddl9m:Z: ddl;m<Z< ddl=m>Z>m?Z? ddl=m@ZA ddl=mBZBmCZC zd dlDZDeDjEZFW n" eGk �r� ddlHmFZF Y nX e&jIjJZJe�KeL�ZMeN� ZOG dd� deN�ZPejQejRhZSG dd � d ePe*�ZTG d d � d eT�ZUd d � ZVd!d"� Z@d#d$� ZWdS )%� )�absolute_importN)�error��timeout� )�HTTPHeaderDict)� BaseSSLError�BrokenPipeError�DummyConnection�HTTPConnection� HTTPException�HTTPSConnection�VerifiedHTTPSConnection�port_by_scheme) �ClosedPoolError�EmptyPoolError�HeaderParsingError�HostChangedError�InsecureRequestWarning�LocationValueError� MaxRetryError�NewConnectionError� ProtocolError� ProxyError�ReadTimeoutError�SSLError� TimeoutError)�six)�queue)�RequestMethods)� HTTPResponse)�is_connection_dropped)� connection_requires_http_tunnel)� LifoQueue)�set_file_position)�assert_header_parsing)�Retry)�CertificateError)�Timeout)�Url�_encode_target)�_normalize_host)�get_host� parse_url)�weakref_finalizec @ sB e Zd ZdZdZeZd dd�Zdd� Zdd� Z d d � Z d d � Z dS )�ConnectionPoola; Base class for all connection pools, such as :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`. .. note:: ConnectionPool.urlopen() does not normalize or percent-encode target URIs which is useful if your target server doesn't support percent-encoded target URIs. Nc C s0 |s t d��t|| jd�| _|�� | _|| _d S )NzNo host specified.��scheme)r r+ r1 �host�lower� _proxy_host�port)�selfr2 r5 � r7 �P/opt/hc_python/lib/python3.8/site-packages/pip/_vendor/urllib3/connectionpool.py�__init__S s zConnectionPool.__init__c C s dt | �j| j| jf S )Nz%s(host=%r, port=%r))�type�__name__r2 r5 �r6 r7 r7 r8 �__str__[ s zConnectionPool.__str__c C s | S �Nr7 r< r7 r7 r8 � __enter__^ s zConnectionPool.__enter__c C s | � � dS )NF)�close)r6 �exc_type�exc_val�exc_tbr7 r7 r8 �__exit__a s zConnectionPool.__exit__c C s dS �zD Close all pooled connections and disable the pool. Nr7 r< r7 r7 r8 r@ f s zConnectionPool.close)N) r; � __module__� __qualname__�__doc__r1 r# �QueueClsr9 r= r? rD r@ r7 r7 r7 r8 r/ E s r/ c @ s� e Zd ZdZdZeZeZdde j dddddddf dd�Z dd � Z d!d d �Z d d � Zdd� Zdd� Zdd� Zdd� Zedfdd�Zdd� Zdd� Zd d � Zdddd d eddddf d d �ZdS )"�HTTPConnectionPoola: Thread-safe connection pool for one host. :param host: Host used for this HTTP Connection (e.g. "localhost"), passed into :class:`http.client.HTTPConnection`. :param port: Port used for this HTTP Connection (None is equivalent to 80), passed into :class:`http.client.HTTPConnection`. :param strict: Causes BadStatusLine to be raised if the status line can't be parsed as a valid HTTP/1.0 or 1.1 status line, passed into :class:`http.client.HTTPConnection`. .. note:: Only works in Python 2. This parameter is ignored in Python 3. :param timeout: Socket timeout in seconds for each individual connection. This can be a float or integer, which sets the timeout for the HTTP request, or an instance of :class:`urllib3.util.Timeout` which gives you more fine-grained control over request timeouts. After the constructor has been parsed, this is always a `urllib3.util.Timeout` object. :param maxsize: Number of connections to save that can be reused. More than 1 is useful in multithreaded situations. If ``block`` is set to False, more connections will be created but they will not be saved once they've been used. :param block: If set to True, no more than ``maxsize`` connections will be used at a time. When no free connections are available, the call will block until a connection has been released. This is a useful side effect for particular multithreaded situations where one does not want to use more than maxsize connections per host to prevent flooding. :param headers: Headers to include with all requests, unless other headers are given explicitly. :param retries: Retry configuration to use by default with requests in this pool. :param _proxy: Parsed proxy URL, should not be used directly, instead, see :class:`urllib3.ProxyManager` :param _proxy_headers: A dictionary with proxy headers, should not be used directly, instead, see :class:`urllib3.ProxyManager` :param \**conn_kw: Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`, :class:`urllib3.connection.HTTPSConnection` instances. �httpNFr c K s� t �| ||� t�| |� || _t|t�s4t�|�}|d krBtj}|| _ || _ | � |�| _ || _ | | _| pli | _| | _t|�D ]} | j �d � q~d| _d| _| | _| jr�| j�dg � | j| jd< | j| jd< | j }t| t|� d S )Nr �socket_options�proxy� proxy_config)r/ r9 r �strict� isinstancer( � from_floatr& �DEFAULTr �retriesrI �pool�blockrM � proxy_headersrN �xrange�put�num_connections� num_requests�conn_kw� setdefaultr. �_close_pool_connections)r6 r2 r5 rO r �maxsizerU �headersrS �_proxy�_proxy_headers� _proxy_configr[ �_rT r7 r7 r8 r9 � s2 zHTTPConnectionPool.__init__c C sR | j d7 _ t�d| j | j| jp$d� | jf | j| j| jj| jd�| j ��}|S )z9 Return a fresh :class:`HTTPConnection`. r z(Starting new HTTP connection (%d): %s:%s�80)r2 r5 r rO ) rY �log�debugr2 r5 � ConnectionClsr �connect_timeoutrO r[ �r6 �connr7 r7 r8 � _new_conn� s ���z HTTPConnectionPool._new_connc C s� d}z| j j| j|d�}W nB tk r8 t| d��Y n& tjk r\ | jrXt| d��Y nX |r�t|�r�t � d| j � |� � t |dd�dkr�d}|p�| �� S ) a� Get a connection. Will return a pooled connection if one is available. If no connections are available and :prop:`.block` is ``False``, then a fresh connection is returned. :param timeout: Seconds to wait before giving up and raising :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and :prop:`.block` is ``True``. N)rU r zPool is closed.z>Pool reached maximum size and no more connections are allowed.z Resetting dropped connection: %s� auto_openr r )rT �getrU �AttributeErrorr r �Emptyr r! re rf r2 r@ �getattrrk )r6 r rj r7 r7 r8 � _get_conn s$ � z HTTPConnectionPool._get_connc C sf z| j j|dd� W dS tk r* Y n, tjk rT t�d| j| j �� � Y nX |rb|� � dS )a� Put a connection back into the pool. :param conn: Connection object for the current host and port as returned by :meth:`._new_conn` or :meth:`._get_conn`. If the pool is already full, the connection is closed and discarded because we exceeded maxsize. If connections are discarded frequently, then maxsize should be increased. If the pool is closed, then the connection will be closed and discarded. F�rU NzLConnection pool is full, discarding connection: %s. Connection pool size: %s) rT rX rn r �Fullre �warningr2 �qsizer@ ri r7 r7 r8 � _put_conn- s � z HTTPConnectionPool._put_connc C s dS )�U Called right before a request is made, after the socket is created. Nr7 ri r7 r7 r8 �_validate_connL s z!HTTPConnectionPool._validate_connc C s d S r> r7 ri r7 r7 r8 �_prepare_proxyR s z!HTTPConnectionPool._prepare_proxyc C s2 |t kr| j�� S t|t�r$|�� S t�|�S dS )z:Helper that always returns a :class:`urllib3.util.Timeout`N)�_Defaultr �clonerP r( rQ )r6 r r7 r7 r8 � _get_timeoutV s z HTTPConnectionPool._get_timeoutc C sj t |t�rt| |d| ��t|d�r>|jtkr>t| |d| ��dt|�ksVdt|�krft| |d| ��dS )zAIs the error actually a timeout? Will raise a ReadTimeout or pass�!Read timed out. (read timeout=%s)�errnoz timed outzdid not complete (read)N)rP � SocketTimeoutr �hasattrr~ �_blocking_errnos�str)r6 �err�url� timeout_valuer7 r7 r8 �_raise_timeoutb s( � �� �z!HTTPConnectionPool._raise_timeoutc K st | j d7 _ | �|�}|�� t�|j�|_z| �|� W n: tt fk rv } z| j |||jd� � W 5 d}~X Y nX z*|r�|j ||f|� n|j ||f|� W nL t k r� Y n: tk r� } z |jtjtjtjhkrނ W 5 d}~X Y nX |j} t|dd��rH| dk�r t| |d| ��| tjk�r<|j�t�� � n |j�| � zjz|jdd�} W nT t k �r� z |�� } W n0 t k �r� } zt � |d� W 5 d}~X Y nX Y nX W n< tt t fk �r� } z| j ||| d� � W 5 d}~X Y nX t|d d �} t!�"d | j#| j$| j%||| | j&| j'� zt(| j)� W n@ t*t fk �rn } z t!j+d | �,|�| dd � W 5 d} ~ X Y nX | S )a Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param timeout: Socket timeout in seconds for the request. 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This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method provided by :class:`.RequestMethods`, such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. 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You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``response_kw.get('preload_content', True)``. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. :param \**response_kw: Additional parameters are passed to :meth:`urllib3.response.HTTPResponse.from_httplib` N)�redirect�default�preload_contentTr� Fr r� )r �bodyr_ r� �request_method)rT � connectionrS c S s* d� t�dt| ��� ��}d|kp(d|kS )N� z[^a-z]zwrong version numberzunknown protocol)�join�re�splitr� r3 )� ssl_error�messager7 r7 r8 �%_is_ssl_error_message_from_http_proxy� s �zIHTTPConnectionPool.urlopen.<locals>._is_ssl_error_message_from_http_proxy�httpsz�Your proxy appears to only use HTTP and not HTTPS, try changing your proxy URL to be HTTP. 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The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``, ``ca_cert_dir``, ``ssl_version``, ``key_password`` are only used if :mod:`ssl` is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade the connection socket into an SSL socket. r� NFr c K s\ t j| ||||||||| | f |� | | _| | _| | _|| _|| _|| _|| _|| _ || _ d S r> ) rJ r9 �key_file� cert_file� cert_reqs� key_password�ca_certs� ca_cert_dir� ssl_version�assert_hostname�assert_fingerprint)r6 r2 r5 rO r r^ rU r_ rS r` ra r� r� r� r� r� r� r� r� r� r[ r7 r7 r8 r9 � s0 � �z HTTPSConnectionPool.__init__c C s@ t |t�r<|j| j| j| j| j| j| j| j | j d� | j |_ |S )z� Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket` and establish the tunnel if proxy is used. )r� r� r� r� r� r� r� r� ) rP r �set_certr� r� r� r� r� r� r� r� r� ri r7 r7 r8 � _prepare_conn� s � z!HTTPSConnectionPool._prepare_connc C s2 |� | j| j| j� | jjdkr&d|_|�� dS )z� Establishes a tunnel connection through HTTP CONNECT. 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See: https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html#ssl-warnings�proxy_is_verifiedFz�Unverified HTTPS connection done to an HTTPS proxy. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html#ssl-warnings) �superr� rx rp r� � is_verified�warnings�warnr2 r ri �� __class__r7 r8 rx s �� �z"HTTPSConnectionPool._validate_conn)r; rF rG rH r1 r rg r( r� r9 r� ry rk rx � __classcell__r7 r7 r� r8 r� � s4 � 1$r� c K sR t | �\}}}|p t�|d�}|dkr:t|fd|i|��S t|fd|i|��S dS )a� Given a url, return an :class:`.ConnectionPool` instance of its host. This is a shortcut for not having to parse out the scheme, host, and port of the url before creating an :class:`.ConnectionPool` instance. :param url: Absolute URL string that must include the scheme. Port is optional. :param \**kw: Passes additional parameters to the constructor of the appropriate :class:`.ConnectionPool`. Useful for specifying things like timeout, maxsize, headers, etc. Example:: >>> conn = connection_from_url('http://google.com/') >>> r = conn.request('GET', '/') �P r� r5 N)r, r rm r� rJ )r� �kwr1 r2 r5 r7 r7 r8 �connection_from_url; s r� c C s. t | |�} | �d�r*| �d�r*| dd� } | S )z? Normalize hosts for comparisons and use with sockets. �[�]r ���)�normalize_hostr� �endswith)r2 r1 r7 r7 r8 r+ W s r+ c C s: z | j dd�}|r|�� qW n tjk r4 Y nX dS )z2Drains a queue of connections and closes each one.Frr N)rm r@ r ro )rT rj r7 r7 r8 r] i s r] )X� __future__r r~ �loggingr� r� r� r� r r� r r � _collectionsr r� r r r r r r r r � exceptionsr r r r r r r r r r r r r �packagesr Zpackages.six.movesr r� r r� r Zutil.connectionr! Z util.proxyr" Z util.queuer# Z util.requestr$ Z util.responser% Z util.retryr& Zutil.ssl_match_hostnamer' Z util.timeoutr( Zutil.urlr) r* r+ r r, r- �weakref�finalizer. rn Z#packages.backports.weakref_finalize�movesrW � getLoggerr; re �objectrz r/ �EAGAIN� EWOULDBLOCKr� rJ r� r� r] r7 r7 r7 r8 �<module> s` ( < ) & +