B ݁[A@sddlmZddlZddlZddlZddlmZddlmZm Z ddlm Z ddl m Z m Z mZddlmZdd lmZdd lmZdd lmZd d dgZeeZdZdZedeZddZe eee eedZ!ee dZ"Gdd d eZ#Gdd d e#Z$ddZ%dS))absolute_importN)RecentlyUsedContainer)HTTPConnectionPoolHTTPSConnectionPool)port_by_scheme)LocationValueError MaxRetryErrorProxySchemeUnknown)urljoin)RequestMethods) parse_url)Retry PoolManager ProxyManagerproxy_from_url)key_file cert_file cert_reqsca_certs ssl_version ca_cert_dir ssl_context)Z key_schemeZkey_hostZkey_portZ key_timeoutZ key_retriesZ key_strictZ key_blockZkey_source_addressZ key_key_fileZ key_cert_fileZ key_cert_reqsZ key_ca_certsZkey_ssl_versionZkey_ca_cert_dirZkey_ssl_contextZ key_maxsizeZ key_headersZ key__proxyZkey__proxy_headersZkey_socket_optionsZkey__socks_optionsZkey_assert_hostnameZkey_assert_fingerprintZkey_server_hostnamePoolKeycCs|}|d|d<|d|d<x4dD],}||kr.||dk r.t||||<q.W|d}|dk r|t||d<x&t|D]}|||d|<qWx|j D]}||krd||<qW|f|S)a Create a pool key out of a request context dictionary. According to RFC 3986, both the scheme and host are case-insensitive. Therefore, this function normalizes both before constructing the pool key for an HTTPS request. If you wish to change this behaviour, provide alternate callables to ``key_fn_by_scheme``. :param key_class: The class to use when constructing the key. This should be a namedtuple with the ``scheme`` and ``host`` keys at a minimum. :type key_class: namedtuple :param request_context: A dictionary-like object that contain the context for a request. :type request_context: dict :return: A namedtuple that can be used as a connection pool key. :rtype: PoolKey schemehost)headers_proxy_headersZ_socks_optionsNsocket_optionsZkey_) copylower frozensetitemsgettuplelistkeyspop_fields)Z key_classrequest_contextcontextkeyZ socket_optsfieldr-T/Users/kashii/Desktop/Projects/Workshops/worker-safety/lambda/urllib3/poolmanager.py_default_key_normalizer:s     r/)httphttpsc@sxeZdZdZdZdddZddZdd Zdd d Zd d Z dddZ ddZ dddZ d ddZ ddZd!ddZdS)"ra$ 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 cKs8t||||_t|ddd|_t|_t|_dS)NcSs|S)N)close)pr-r-r.sz&PoolManager.__init__..) dispose_func)r __init__connection_pool_kwrpoolspool_classes_by_schemekey_fn_by_schemer)self num_poolsrr8r-r-r.r7s  zPoolManager.__init__cCs|S)Nr-)r<r-r-r. __enter__szPoolManager.__enter__cCs |dS)NF)clear)r<exc_typeexc_valexc_tbr-r-r.__exit__szPoolManager.__exit__cCsf|j|}|dkr|j}xdD]}||dq"W|dkrXxtD]}||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. It is intended to be overridden for customization. N)rrportr0)r:r8rr' SSL_KEYWORDS)r<rrrDr)pool_clsr+kwr-r-r. _new_pools    zPoolManager._new_poolcCs|jdS)z Empty our store of pools and direct them all to close. This will not affect in-flight connections, but they will not be re-used after completion. N)r9r?)r<r-r-r.r?szPoolManager.clearr0cCsT|s td||}|pd|d<|s:t|dd}||d<||d<||S)a Get a :class:`ConnectionPool` based on the host, port, and scheme. If ``port`` isn't given, it will be derived from the ``scheme`` using ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is provided, it is merged with the instance's ``connection_pool_kw`` variable and used to create the new connection pool, if one is needed. zNo host specified.r0rPrDr)r_merge_pool_kwargsrr#r connection_from_context)r<rrDr pool_kwargsr)r-r-r.connection_from_hosts   z PoolManager.connection_from_hostcCs,|d}|j|}||}|j||dS)z Get a :class:`ConnectionPool` based on the request context. ``request_context`` must at least contain the ``scheme`` key and its value must be a key in ``key_fn_by_scheme`` instance variable. r)r))r r;connection_from_pool_key)r<r)rZpool_key_constructorpool_keyr-r-r.rKs  z#PoolManager.connection_from_contextc Cs`|jjN|j|}|r|S|d}|d}|d}|j||||d}||j|<WdQRX|S)z Get a :class:`ConnectionPool` based on the provided pool key. ``pool_key`` should be a namedtuple that only contains immutable objects. 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N)r8rr"KeyError)r<overrideZbase_pool_kwargsr+valuer-r-r.rJs   zPoolManager._merge_pool_kwargsTc Ks`t|}|j|j|j|jd}d|d<d|d<d|krD|j|d<|jdk rj|jdkrj|j||f|}n|j||j f|}|o| }|s|St ||}|j dkrd }| d } t| tstj| |d } | jr||sx| jD]} |d| dqWy| j||||d } Wn tk r0| jr,|SX| |d <||d<td |||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``. The given ``url`` parameter must be absolute, such that an appropriate :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it. )rDrFassert_same_hostredirectrNr0i/GETretries)rY)response_poolzRedirecting %s -> %s)r rMrrDrrrproxyurlopen request_uriget_redirect_locationr statusr# isinstancerfrom_intremove_headers_on_redirect is_same_hostr' incrementr raise_on_redirectloginfo) r<methodrRrYrGrSconnr\redirect_locationr[headerr-r-r.r_.s@        zPoolManager.urlopen)r2N)N)Nr0N)N)N)T)__name__ __module__ __qualname____doc__r^r7r>rCrHr?rMrKrNrTrJr_r-r-r-r.rzs     csHeZdZdZdfdd Zdfdd Zdd d Zdfd d ZZS)rax Behaves just like :class:`PoolManager`, but sends all requests through the defined proxy, using the CONNECT method for HTTPS URLs. :param proxy_url: The URL of the proxy to be used. :param proxy_headers: A dictionary containing headers that will be sent to the proxy. In case of HTTP they are being sent with each request, while in the HTTPS/CONNECT case they are sent only once. Could be used for proxy authentication. 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 r2Nc st|trd|j|j|jf}t|}|jsFt|jd}|j|d}|jdkrZt |j||_ |pfi|_ |j |d<|j |d<t t |j||f|dS)Nz %s://%s:%irI)rD)r0r1_proxyr)rcrrrrDr rr#_replacer r^ proxy_headerssuperrr7)r< proxy_urlr=rrur8r^rD) __class__r-r.r7s          zProxyManager.__init__r0csD|dkr tt|j||||dStt|j|jj|jj|jj|dS)Nr1)rL)rvrrMr^rrDr)r<rrDrrL)rxr-r.rMs   z!ProxyManager.connection_from_hostcCs0ddi}t|j}|r||d<|r,|||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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