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B �5�g6� � @ s d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlmZ d dlm Z ddl m Z mZmZmZmZmZmZmZ ddlmZmZmZmZmZmZm Z m Z m Z m Z m Z m!Z!m"Z" ddl#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<m=Z= ddl;m>Z? ddl;m@Z@mAZA yd dlBZBeBjCZDW n" eEk �r� ddlFmDZD Y nX e$jGjHZHe�IeJ�ZKeL� ZMG dd� deL�ZNejOejPhZQG dd� deNe(�ZRG d d � d eR�ZSd d � ZTd d!� Z>d"d#� ZUdS )$� )�absolute_importN)�error)�timeout� )� 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) r. �host�lower� _proxy_host�port)�selfr/ r2 � r4 �C/tmp/pip-install-251nq386/pip/pip/_vendor/urllib3/connectionpool.py�__init__R s zConnectionPool.__init__c C s dt | �j| j| jf S )Nz%s(host=%r, port=%r))�type�__name__r/ r2 )r3 r4 r4 r5 �__str__Z s zConnectionPool.__str__c C s | S )Nr4 )r3 r4 r4 r5 � __enter__] s zConnectionPool.__enter__c C s | � � dS )NF)�close)r3 �exc_type�exc_val�exc_tbr4 r4 r5 �__exit__` s zConnectionPool.__exit__c C s dS )zD Close all pooled connections and disable the pool. Nr4 )r3 r4 r4 r5 r; e s zConnectionPool.close)N) r8 � __module__� __qualname__�__doc__r. r! �QueueClsr6 r9 r: r? r; r4 r4 r4 r5 r- D 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 | _| | _x t|�D ]} | j �d � q�W d| _d| _| | _| jr�| j�dg � | j| jd< | j| jd< | j }t| t|� d S )Nr �socket_options�proxy� proxy_config)r- r6 r �strict� isinstancer& � from_floatr$ �DEFAULTr �retriesrC �pool�blockrG � proxy_headersrH �xrange�put�num_connections� num_requests�conn_kw� setdefaultr, �_close_pool_connections)r3 r/ r2 rI r �maxsizerO �headersrM �_proxy�_proxy_headersZ _proxy_configrU �_rN r4 r4 r5 r6 � 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)r/ r2 r rI ) rS �log�debugr/ r2 � ConnectionClsr �connect_timeoutrI rU )r3 �connr4 r4 r5 � _new_conn� s z HTTPConnectionPool._new_connc C s� d}y| 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)rO r zPool is closed.z>Pool reached maximum size and no more connections are allowed.z Resetting dropped connection: %s� auto_openr r )rN �getrO �AttributeErrorr r �Emptyr r r^ r_ r/ r; �getattrrc )r3 r rb r4 r4 r5 � _get_conn s" z HTTPConnectionPool._get_connc C sd y| j j|dd� dS tk r( Y n, tjk rR t�d| j| j �� � Y nX |r`|� � 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. 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N)rN rW )r3 �old_poolr4 r4 r5 r; � s zHTTPConnectionPool.closec C sx |� d�rdS t|�\}}}|dk r0t||d�}| jrF|sFt�|�}n| js^|t�|�kr^d}|||f| j| j| jfkS )zj Check if the given ``url`` is a member of the same host as this connection pool. �/TN)r. )� startswithr* r) r2 r re r. r/ )r3 ry r. r/ r2 r4 r4 r5 � is_same_host s z HTTPConnectionPool.is_same_hostTc K sb t |�}|j}|dkr | j}t|t�s8tj||| jd�}| dkrL| �dd�} |rf| �|�sft | ||��|� d�r�t � t |��}n t � |j�}d}| }t| j| j|�}|s�|�� }|�| j� d}d}t|| �} �z�y�| �|�}| j| d�}|j|_| jdk �o t|dd� }|�r"|�r"| �|� | j ||||||| d �}| �sD|nd}|| d < | j j |f| ||d �| ��}d}W �n" t k �r� d}d}� Y �n t t!t"t#t$t%t&fk �r� } z�d}d d � }t|t$��r| j�r||��r|j�r|jjdk�rt'dt%|��}nXt|t$t&f��r t%|�}n>t|t"t(f��rD| j�rDt'd|�}nt|t"t!f��r^t#d|�}|j)|||| t*�+� d d�}|�,� |}W dd}~X Y nX W d|�s�|�o�|�-� }d}|�r�| �.|� X |�st/�0d|||� | j1|||||||f|| | | | d�| ��S |�o|�2� } | �r�|j3dk�r*d}y|j)|||| d�}W n( t4k �rh |j5�rd|�6� � |S X |�6� |�7|� t/�8d|| � | j1|| ||f||||| | | | d�| ��S t9|j�d��} |�:||j3| ��r^y|j)|||| d�}W n( t4k �r |j;�r|�6� � |S X |�6� |�,|� t/�8d |� | j1||||f||||| | | | d�| ��S |S ) a+ Get a connection from the pool and perform an HTTP request. 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. 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Useful for specifying things like timeout, maxsize, headers, etc. Example:: >>> conn = connection_from_url('http://google.com/') >>> r = conn.request('GET', '/') �P r� r2 N)r* r re r� rD )ry �kwr. r/ r2 r4 r4 r5 �connection_from_url6 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)r/ r. r4 r4 r5 r) R s r) c C s> y"x | j dd�}|r|�� qW W n tjk r8 Y nX dS )z2Drains a queue of connections and closes each one.F)rO N)re r; r rg )rN rb r4 r4 r5 rW d s rW )V� __future__r rs �loggingr� r� r� r� r r� r rt 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! 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