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편집 파일: connectionpool.cpython-38.pyc
U )�e� � @ s� d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dl m Z d dl m Z ddlmZ ddlmZ ddlmZ dd lmZmZmZmZmZmZmZm Z dd lm Z dd l m Z m Z m!Z!m"Z"m#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/ ddl0m1Z1 ddl2m3Z3m4Z4 ddl5m6Z6 ddl7m8Z8 ddl9m:Z:m;Z;m<Z< ddl=m>Z>m?Z? ddl=m@ZA ddl=mBZB ddlCmDZD ejE�r�d dlFZFd dlmGZG ddlmHZHmIZI e�JeK�ZLejMe<eNe;df ZOe�Pd�ZQG dd� d�ZRejSejThZUG d d � d eRe�ZVG d d � d eV�ZWd d!d d"�d#d$�ZXejYd%d&d%d'�d(d)��Z@ejYd d&d d'�d*d)��Z@d&d&d&d'�d+d)�Z@d4d,d&d d-�d.d/�ZZd0d%d1�d2d3�Z[dS )5� )� annotationsN��timeout)� TracebackType� )� _TYPE_BODY)�HTTPHeaderDict)�RequestMethods)� BaseSSLError�BrokenPipeError�DummyConnection�HTTPConnection� HTTPException�HTTPSConnection� ProxyConfig�_wrap_proxy_error)�port_by_scheme) �ClosedPoolError�EmptyPoolError� FullPoolError�HostChangedError�InsecureRequestWarning�LocationValueError� MaxRetryError�NewConnectionError� ProtocolError� ProxyError�ReadTimeoutError�SSLError� TimeoutError)�BaseHTTPResponse)�is_connection_dropped)� connection_requires_http_tunnel)�_TYPE_BODY_POSITION�set_file_position)�Retry)�CertificateError)�_DEFAULT_TIMEOUT� _TYPE_DEFAULT�Timeout)�Url�_encode_target)�_normalize_host)� parse_url)�to_str)�Literal)�BaseHTTPConnection�BaseHTTPSConnection�_SelfTc @ sx e Zd ZU dZdZded< ejZddddd�d d �Z dd �d d �Z ddd�dd�Z ddddd�dd�Z dd �dd�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. N� str | None�scheme�str� int | None�None)�host�port�returnc C s: |s t d��t|| jd�| _|| _t|| jd��� | _d S )NzNo host specified.�r5 )r r, r5 r9 r: �normalize_host�lower� _tunnel_host)�selfr9 r: � rA �D/opt/hc_python/lib/python3.8/site-packages/urllib3/connectionpool.py�__init__R s zConnectionPool.__init__�r; c C s t | �j� d| j�d| j�d�S )Nz(host=z, port=�))�type�__name__r9 r: �r@ rA rA rB �__str___ s zConnectionPool.__str__r2 )r@ r; c C s | S �NrA rH rA rA rB � __enter__b s zConnectionPool.__enter__ztype[BaseException] | NonezBaseException | NonezTracebackType | NonezLiteral[False])�exc_type�exc_val�exc_tbr; c C s | � � dS )NF)�close)r@ rL rM rN rA rA rB �__exit__e s zConnectionPool.__exit__c C s dS �zD Close all pooled connections and disable the pool. NrA rH rA rA rB rO o s zConnectionPool.close)N)rG � __module__� __qualname__�__doc__r5 �__annotations__�queue� LifoQueue�QueueClsrC rI rK rP rO rA rA rA rB r3 D s r3 c @ sj e Zd ZU dZdZeZded< dedddddddf dd d d d d ddd ddd� dd�Z dd�dd�Z d?ddd�dd �Z d d d �d d!�Z dd d �d"d#�Z dd d �d$d%�Zd&d'd�d(d)�Zd*dd d d+�d,d-�Zdddeddd.d.d.f dddd/d d0d&d d d d d d1d2� d3d4�Zd d�d5d6�Zdd d7�d8d9�Zdddd.d.eddddd.d.f ddd/d dd d d&d d:d d;d d dd1d<�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 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. �httpz4type[BaseHTTPConnection] | type[BaseHTTPSConnection]� ConnectionClsNr Fr6 r7 �_TYPE_TIMEOUT | None�int�bool� typing.Mapping[str, str] | None�Retry | bool | int | None� Url | NonezProxyConfig | None� typing.Any) r9 r: r �maxsize�block�headers�retries�_proxy�_proxy_headers� _proxy_config�conn_kwc K s� t �| ||� t�| |� t|t�s.t�|�}|d kr<tj}|| _|| _ | � |�| _ || _ || _ | pfi | _| | _t|�D ]} | j �d � qxd| _d| _| | _| j r�| j�dg � | j | jd< | j| jd< | j } t�| t| � d S )Nr �socket_options�proxy� proxy_config)r3 rC r � isinstancer) � from_floatr% �DEFAULTr rf rX �poolrd rl � proxy_headersrm �range�put�num_connections� num_requestsrj � setdefault�weakref�finalize�_close_pool_connections)r@ r9 r: r rc rd re rf rg rh ri rj �_rq rA rA rB rC � s0 zHTTPConnectionPool.__init__r0 rD c C sN | j d7 _ t�d| j | j| jp$d� | jf | j| j| jjd�| j��}|S )z9 Return a fresh :class:`HTTPConnection`. r z(Starting new HTTP connection (%d): %s:%s�80)r9 r: r ) ru �log�debugr9 r: r[ r �connect_timeoutrj �r@ �connrA rA rB � _new_conn� s ���z HTTPConnectionPool._new_connz float | None)r r; c C s� d}| j dkrt| d��z| j j| j|d�}W nF tk rN t| d�d�Y n( tjk rt | jrpt| d�d�Y nX |r�t|�r�t � d| j � |� � |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``. NzPool is closed.)rd r zHPool is empty and a new connection can't be opened due to blocking mode.z Resetting dropped connection: %s)rq r �getrd �AttributeErrorrV �Emptyr r! r} r~ r9 rO r� )r@ r r� rA rA rB � _get_conn s( �� z HTTPConnectionPool._get_connzBaseHTTPConnection | Noner8 �r� r; c C s� | j dk r~z| j j|dd� W dS tk r4 Y nJ tjk r| |rP|�� | jrbt| d�d�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. If the pool is closed, then the connection will be closed and discarded. NF�rd z>Pool reached maximum size and no more connections are allowed.zLConnection pool is full, discarding connection: %s. Connection pool size: %s) rq rt r� rV �FullrO rd r r} �warningr9 �qsizer� rA rA rB � _put_conn) s. ��� z HTTPConnectionPool._put_connc C s dS )�U Called right before a request is made, after the socket is created. NrA r� rA rA rB �_validate_connT s z!HTTPConnectionPool._validate_connc C s d S rJ rA r� rA rA rB �_prepare_proxyY s z!HTTPConnectionPool._prepare_proxy� _TYPE_TIMEOUTr) c C s2 |t kr| j�� S t|t�r$|�� S t�|�S dS )z:Helper that always returns a :class:`urllib3.util.Timeout`N)r' r �clonern r) ro )r@ r rA rA rB � _get_timeout] s z HTTPConnectionPool._get_timeoutz&BaseSSLError | OSError | SocketTimeout)�err�url� timeout_valuer; c C sN t |t�r t| |d|� d��|�t|d�rJ|jtkrJt| |d|� d��|�dS )zAIs the error actually a timeout? Will raise a ReadTimeout or pass� Read timed out. 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Y nB t k �rn } z"|jtjk�r^|jtjk�r^� W 5 d}~X Y nX | j}|j�s�|dk�r�t | |d|� d���||_z |� � }W n: t t fk �r� } z| j |||d� � W 5 d}~X Y nX ||_ | |_ | |_ t!|dd �}t"�#d | j| j$| j%||||j&|j'� |S ) a8 Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :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 timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :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 response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. r �r� r� r� N)r� re r� r� r� r� r r� rE � _http_vsn_strzHTTP/?z%s://%s:%s "%s %s %s" %s %s)(rv r� � start_connectr) �resolve_default_timeoutr r r� r� r r� �OSErrorr r r& r rn rl �has_connected_to_proxyr r5 �requestr r� � EPROTOTYPE� ECONNRESET� read_timeout� is_closedr � getresponserf � _connection�_pool�getattrr} r~ r9 r: �status�length_remaining)r@ r� r� r� r� re rf r r� r� r� r� r� � timeout_obj�e�new_er� �response� http_versionrA rA rB � _make_request| s� N � ����� � � z HTTPConnectionPool._make_requestc C s( | j dkrdS | j d }| _ t|� dS rQ )rq rz )r@ �old_poolrA rA rB rO 4 s zHTTPConnectionPool.close)r� r; c C s� |� d�rdS t|�^}}}}}|p&d}|dk r<t||d�}| jrR|sRt�|�}n| jsj|t�|�krjd}|||f| j| j| jfkS )zj Check if the given ``url`` is a member of the same host as this connection pool. �/TrZ Nr< )� startswithr- r, r: r r� r5 r9 )r@ r� r5 r{ r9 r: rA rA rB � is_same_host@ s z HTTPConnectionPool.is_same_hostz bool | Nonez_TYPE_BODY_POSITION | None)r� r� r� re rf �redirect�assert_same_hostr � pool_timeout� release_connr� �body_posr� r� � response_kwr; c K sr t |�}|j}|dkr | j}t|t�s8tj||| jd�}| dkrD| } |r^| �|�s^t| ||��|� d�rvt t |��}n t |j �}d}| }t | j| j|�}|s�t|�}|�| j� d}d}t|| �} �z�z�| �|�}| j| d�}|j|_| jdk �rR|�rR|j�rRz| �|� W nB t t t fk �rP } z | j || jj |jd� � W 5 d}~X Y nX | �s\|nd}| j |||f|||| ||| |d�|��}d}W n� t!k �r� d}d}� Y n� t"t#t t$t t%t&t'fk �r~ } z�d}|}t|t t&f��r�t%|�}t|t t(t"t%t#f��r,|�r,|j�r,|j)�s,t*||jj�}nt|t t#f��rFt$d |�}|j+|||| t,�-� d d �}|�.� |}W 5 d}~X Y nX W 5 |�s�|�r�|�� d}d}|�r�| �|� X |�s�t/�0d |||� | j1|||||||f|| | | | | |d �|��S |�o|�2� } | �r�|j3dk�r*d}d}t|��4� }z|j+|||| d�}W n, t5k �rl |j6�rd|�7� � | Y S X |�7� |�8|� t/�9d|| � | j1|| ||f||||| | | | | |d� |��S t:|j�;d��} |�<||j3| ��rnz|j+|||| d�}W n, t5k �r |j=�r|�7� � | Y S X |�7� |�.|� t/�9d|� | j1||||f||||| | | | | |d� |��S |S )ay Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. 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N)r� �defaultr� FTr r� )r r� re r� rf r� r� r� zConnection aborted.� )�errorr� � _stacktracez1Retrying (%r) after connection broken by '%r': %s)r r� r� r� r� r� r� i/ �GET)r� r� zRedirecting %s -> %s) rf r� r� r r� r� r� r� r� r� z Retry-Afterz Retry: %s)>r- r5 re rn r% �from_intrf r� r r� r. r+ r� r" rl rm r �updaterr r$ rO r� r� r� r r r� r� r r� r� r� r� r r r r r r& r r r� r � increment�sys�exc_info�sleepr} r� �urlopen�get_redirect_locationr� Z_prepare_for_method_changer �raise_on_redirect� drain_conn�sleep_for_retryr~ r^ r� �is_retry�raise_on_status) r@ r� r� r� re rf r� r� r r� r� r� r� r� r� r� � parsed_url�destination_schemer� �release_this_conn�http_tunnel_requiredr� � clean_exitr� r� r� r� r� �redirect_location�has_retry_afterrA rA rB r� V s� q � ��� �� �� � � � � ���� ��� ���zHTTPConnectionPool.urlopen)N)rG rR rS rT r5 r r[ rU r' rC r� r� r� r� r� r� r� r� rO r� r� rA rA rA rB rY y s^ 3� �$=&+ �( 9 �rY c s� e Zd ZU dZdZeZded< dedddddddddddddddddfdd d d d d ddd dddddddddddddd�� fdd� Z ddd�dd �Z d d �d d �Z d!dd�� fd"d#� Z � Z S )$�HTTPSConnectionPoola Same as :class:`.HTTPConnectionPool`, but HTTPS. :class:`.HTTPSConnection` uses one of ``assert_fingerprint``, ``assert_hostname`` and ``host`` in this order to verify connections. 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Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warningsN) r� r� r� r� � is_verified�proxy_is_verified�warnings�warnr9 r r� r� rA rB r� C s �z"HTTPSConnectionPool._validate_conn)rG rR rS rT r5 r r[ rU r' rC r� r� r� � __classcell__rA rA r� rB r� � s4 �>1)r� r6 rb )r� �kwr; c K s^ t | �^}}}}}|pd}|p(t�|d�}|dkrFt|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', '/') rZ �P r� r: N)r- r r� r� rY )r� r� r5 r{ r9 r: rA rA rB �connection_from_urlZ s r� r8 r4 )r9 r5 r; c C s d S rJ rA �r9 r5 rA rA rB r, w s r, c C s d S rJ rA r� rA rA rB r, | s c C s2 t | |�} | r.| �d�r.| �d�r.| dd� } | S )z? Normalize hosts for comparisons and use with sockets. �[�]r ���)r= r� �endswithr� rA rA rB r, � s z(HTTPConnectionPool | HTTPSConnectionPool)rq �pathr; c C s t | j| j| j|d�jS )zZReturns the URL from a given connection pool. 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