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urllib3
poolmanager.pyc
� ��abc @@ s� d d l m Z d d l Z d d l Z d d l Z d d l m Z d d l m Z m Z d d l m Z d d l m Z m Z m Z d d l m Z d d l m Z d d l m Z d d l m Z d d d g Z e j e � Z d4 Z d5 Z e j d- e � Z d. � Z i e j e e � d/ 6e j e e � d0 6Z! i e d/ 6e d0 6Z" d e f d1 � � YZ# d e# f d2 � � YZ$ d3 � Z% d S(6 i ( t absolute_importNi ( t RecentlyUsedContainer( t HTTPConnectionPoolt HTTPSConnectionPool( t port_by_scheme( t LocationValueErrort MaxRetryErrort ProxySchemeUnknown( t urljoin( t RequestMethods( t parse_url( t Retryt PoolManagert ProxyManagert proxy_from_urlt key_filet cert_filet cert_reqst ca_certst ssl_versiont ca_cert_dirt ssl_contextt key_schemet key_hostt key_portt key_timeoutt key_retriest key_strictt key_blockt key_source_addresst key_key_filet key_cert_filet key_cert_reqst key_ca_certst key_ssl_versiont key_ca_cert_dirt key_ssl_contextt key_maxsizet key_headerst key__proxyt key__proxy_headerst key_socket_optionst key__socks_optionst key_assert_hostnamet key_assert_fingerprintt PoolKeyc C@ s | j � } | d j � | d <| d j � | d <xG d D]? } | | k r; | | d k r; t | | j � � | | <q; q; W| j d � } | d k r� t | � | d <n x1 t | j � � D] } | j | � | d | <q� Wx* | j D] } | | k r� d | | <q� q� W| | � S( s� 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 t schemet hostt headerst _proxy_headerst _socks_optionst socket_optionst key_( R0 R1 R2 N( t copyt lowert Nonet frozensett itemst gett tuplet listt keyst popt _fields( t key_classt request_contextt contextt keyt socket_optst field( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt _default_key_normalizer9 s ! t httpt httpsc B@ s� e Z d Z d Z d d d � Z d � Z d � Z d d � Z d � Z d d d d � Z d � Z d d � Z d d � Z d � Z e d � Z RS( s$ 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 i c K@ sM t j | | � | | _ t | d d � �| _ t | _ t j � | _ d S( Nt dispose_funcc S@ s | j � S( N( t close( t p( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt <lambda>� t ( R t __init__t connection_pool_kwR t poolst pool_classes_by_schemet key_fn_by_schemeR5 ( t selft num_poolsR0 RO ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRN � s c C@ s | S( N( ( RS ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt __enter__� s c C@ s | j � t S( N( t cleart False( RS t exc_typet exc_valt exc_tb( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt __exit__� s c C@ s� | j | } | d k r+ | j j � } n x d D] } | j | d � q2 W| d k r| x! t D] } | j | d � q_ Wn | | | | � S( s� 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. R. R/ t portRG N( R. R/ R\ ( RQ R7 RO R5 R> t SSL_KEYWORDS( RS R. R/ R\ RA t pool_clsRC t kw( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt _new_pool� s c C@ s | j j � d S( s� 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( RP RV ( RS ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRV � s RG c C@ sz | s t d � � n | j | � } | p- d | d <| sY t j | d j � d � } n | | d <| | d <| j | � S( s� 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. s No host specified.RG R. iP R\ R/ ( R t _merge_pool_kwargsR R: R6 t connection_from_context( RS R/ R\ R. t pool_kwargsRA ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt connection_from_host� s c C@ s< | d j � } | j | } | | � } | j | d | �S( s� 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. RA ( R6 RR t connection_from_pool_key( RS RA R. t pool_key_constructort pool_key( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRb � s c C@ sy | j j �g | j j | � } | r) | S| d } | d } | d } | j | | | d | �} | | j | <Wd QX| S( s� Get a :class:`ConnectionPool` based on the provided pool key. ``pool_key`` should be a namedtuple that only contains immutable objects. At a minimum it must have the ``scheme``, ``host``, and ``port`` fields. R. R/ R\ RA N( RP t lockR: R` ( RS Rg RA t poolR. R/ R\ ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRe � s c C@ s4 t | � } | j | j d | j d | j d | �S( s� Similar to :func:`urllib3.connectionpool.connection_from_url`. If ``pool_kwargs`` is not provided and a new pool needs to be constructed, ``self.connection_pool_kw`` is used to initialize the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs`` is provided, it is used instead. Note that if a new pool does not need to be created for the request, the provided ``pool_kwargs`` are not used. R\ R. Rc ( R Rd R/ R\ R. ( RS t urlRc t u( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt connection_from_url s !c C@ sq | j j � } | rm xU | j � D]D \ } } | d k r\ y | | =Wqf t k rX qf Xq" | | | <q" Wn | S( s Merge a dictionary of override values for self.connection_pool_kw. This does not modify self.connection_pool_kw and returns a new dict. Any keys in the override dictionary with a value of ``None`` are removed from the merged dictionary. N( RO R5 R9 R7 t KeyError( RS t overridet base_pool_kwargsRC t value( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRa s c K@ s� t | � } | j | j d | j d | j �} t | d <t | d <d | k rf | j j � | d <n | j d k r� | j d k r� | j | | | � } n | j | | j | � } | o� | j � } | s� | St | | � } | j d k r� d } n | j d � } t | t � s-t j | d | �} n | j rq| j | � rqx( | j D] } | d j | d � qPWn y" | j | | d | d | �} Wn! t k r�| j r�� n | SX| | d <| | d <t j d | | � | j | | | � S( s] 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. R\ R. t assert_same_hostt redirectR0 RG i/ t GETt retriest responset _pools Redirecting %s -> %sN( R Rd R/ R\ R. RW R0 R5 t proxyR7 t urlopent request_urit get_redirect_locationR t statusR: t isinstanceR t from_intt remove_headers_on_redirectt is_same_hostR> t incrementR t raise_on_redirectt logt info( RS t methodRj Rr R_ Rk t connRu t redirect_locationRt t header( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRx - s@ $ " N( t __name__t __module__t __doc__R7 Rw RN RU R[ R` RV Rd Rb Re Rl Ra t TrueRx ( ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyR y s c B@ sJ e Z d Z d d d d � Z d d d d � Z d d � Z e d � Z RS( sw 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 contaning 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 i c K@ s� t | t � r. d | j | j | j f } n t | � } | j sm t j | j d � } | j d | � } n | j d k r� t | j � � n | | _ | p� i | _ | j | d <| j | d <t t | � j | | | � d S( Ns %s://%s:%iiP R\ RG RH t _proxyR1 ( RG RH ( R| R R. R/ R\ R R R: t _replaceR Rw t proxy_headerst superR RN ( RS t proxy_urlRT R0 R� RO Rw R\ ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRN � s RG c C@ sb | d k r. t t | � j | | | d | �St t | � j | j j | j j | j j d | �S( NRH Rc ( R� R Rd Rw R/ R\ R. ( RS R/ R\ R. Rc ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRd � s c C@ sI i d d 6} t | � j } | r/ | | d <n | rE | j | � n | S( s� Sets headers needed by proxies: specifically, the Accept and Host headers. Only sets headers not provided by the user. s */*t Acceptt Host( R t netloct update( RS Rj R0 t headers_R� ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt _set_proxy_headers� s c K@ sk t | � } | j d k rI | j d | j � } | j | | � | d <n t t | � j | | d | | �S( s@ Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute.RG R0 Rr ( R R. R: R0 R� R� R Rx ( RS R� Rj Rr R_ Rk R0 ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyRx � s N( R� R� R� R7 RN Rd R� R� Rx ( ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyR i s c K@ s t d | | � S( NR� ( R ( Rj R_ ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyR � s ( R R R R R R R ( R R R R R R R R R R R R! R" R# R$ R% R& R' R( R) R* R+ R, (& t __future__R t collectionst functoolst loggingt _collectionsR t connectionpoolR R R t exceptionsR R R t packages.six.moves.urllib.parseR t requestR t util.urlR t util.retryR t __all__t getLoggerR� R� R] t _key_fieldst namedtupleR- RF t partialRR RQ R R R ( ( ( sC /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/poolmanager.pyt <module> sb 5 �W
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