3 gY?@sddlmZddlZddlZddlZddlmZddlmZm Z ddlm Z ddl m Z m Z mZddlmZdd lmZdd lmZdd lmZd d dgZejeZd4Zd5Zejd-eZd.d/Zej eeej eed0Z!ee d0Z"Gd1d d eZ#Gd2d d e#Z$d3dZ%dS)6)absolute_importN)RecentlyUsedContainer)HTTPConnectionPoolHTTPSConnectionPool)port_by_scheme)LocationValueError MaxRetryErrorProxySchemeUnknown)urljoin)RequestMethods) parse_url)Retry PoolManager ProxyManagerproxy_from_urlkey_file cert_file cert_reqsca_certs ssl_version ca_cert_dir ssl_context key_schemekey_hostkey_port key_timeout key_retries key_strict key_blockkey_source_address key_key_file key_cert_file key_cert_reqs key_ca_certskey_ssl_versionkey_ca_cert_dirkey_ssl_context key_maxsize key_headers key__proxykey__proxy_headerskey_socket_optionskey__socks_optionskey_assert_hostnamekey_assert_fingerprintPoolKeycCs|j}|dj|d<|dj|d<x4d D],}||kr.||dk r.t||j||<q.W|jd}|dk r|t||d<x&t|jD]}|j||d|<qWx|j D]}||krd||<qW|f|S) a Create a pool key out of a request context dictionary. 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This should be a namedtuple with the ``scheme`` and ``host`` keys at a minimum. :type key_class: namedtuple :param request_context: A dictionary-like object that contain the context for a request. :type request_context: dict :return: A namedtuple that can be used as a connection pool key. :rtype: PoolKey schemehostheaders_proxy_headers_socks_optionsNsocket_optionsZkey_)r3r4r5) copylower frozensetitemsgettuplelistkeyspop_fields)Z key_classrequest_contextcontextkeyZ socket_optsfieldrED/Users/olari/OneDrive/sandbox/awsBlog2/lambda/urllib3/poolmanager.py_default_key_normalizer9s     rG)httphttpsc@sxeZdZdZdZdddZddZdd Zdd d Zd d Z dddZ ddZ dddZ d ddZ ddZd!ddZdS)"ra$ Allows for arbitrary requests while transparently keeping track of necessary connection pools for you. :param num_pools: Number of connection pools to cache before discarding the least recently used pool. :param headers: Headers to include with all requests, unless other headers are given explicitly. :param \**connection_pool_kw: Additional parameters are used to create fresh :class:`urllib3.connectionpool.ConnectionPool` instances. Example:: >>> manager = PoolManager(num_pools=2) >>> r = manager.request('GET', 'http://google.com/') >>> r = manager.request('GET', 'http://google.com/mail') >>> r = manager.request('GET', 'http://yahoo.com/') >>> len(manager.pools) 2 N cKs8tj||||_t|ddd|_t|_tj|_dS)NcSs|jS)N)close)prErErFsz&PoolManager.__init__..) dispose_func)r __init__connection_pool_kwrpoolspool_classes_by_schemekey_fn_by_schemer7)self num_poolsr3rPrErErFrOs  zPoolManager.__init__cCs|S)NrE)rTrErErF __enter__szPoolManager.__enter__cCs |jdS)NF)clear)rTexc_typeexc_valexc_tbrErErF__exit__szPoolManager.__exit__cCsf|j|}|dkr|jj}xdD]}|j|dq"W|dkrXxtD]}|j|dqDW|||f|S)a Create a new :class:`ConnectionPool` based on host, port, scheme, and any additional pool keyword arguments. If ``request_context`` is provided, it is provided as keyword arguments to the pool class used. This method is used to actually create the connection pools handed out by :meth:`connection_from_url` and companion methods. 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N)rPr7r:KeyError)rToverrideZbase_pool_kwargsrCvaluerErErFrbs   zPoolManager._merge_pool_kwargsTc Ks*t|}|j|j|j|jd}d|d<d|d<d|kr@|j|d<|jdk rf|jdkrf|j||f|}n|j||jf|}|o|j }|s|St ||}|j dkrd }|j d } t | tstj| |d } y| j||||d } Wntk r| jr|SX| |d <||d<tjd |||j||f|S)a] Same as :meth:`urllib3.connectionpool.HTTPConnectionPool.urlopen` with custom cross-host redirect logic and only sends the request-uri portion of the ``url``. 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Example: >>> proxy = urllib3.ProxyManager('http://localhost:3128/') >>> r1 = proxy.request('GET', 'http://google.com/') >>> r2 = proxy.request('GET', 'http://httpbin.org/') >>> len(proxy.pools) 1 >>> r3 = proxy.request('GET', 'https://httpbin.org/') >>> r4 = proxy.request('GET', 'https://twitter.com/') >>> len(proxy.pools) 3 rJNc st|trd|j|j|jf}t|}|jsFtj|jd}|j|d}|jdkrZt |j||_ |pfi|_ |j |d<|j |d<t t |j||f|dS) Nz %s://%s:%ira)r\rHrI_proxyr4)rHrI)r{rr1r2r\r rr;_replacer rv proxy_headerssuperrrO)rT proxy_urlrUr3rrPrvr\) __class__rErFrO{s          zProxyManager.__init__rHcsD|dkr tt|j||||dStt|j|jj|jj|jj|dS)NrI)rd)rrrervr2r\r1)rTr2r\r1rd)rrErFres   z!ProxyManager.connection_from_hostcCs0ddi}t|j}|r||d<|r,|j||S)z Sets headers needed by proxies: specifically, the Accept and Host headers. Only sets headers not provided by the user. 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