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requests
adapters.pyo
� ��abc @ s5 d Z d d l Z d d l Z d d l 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 l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z m Z d d l! m" Z" m# Z# m$ Z$ m% Z% m& Z& m' Z' d d l( m) Z) d d l* m+ Z+ d d l, m- Z- m. Z. m/ Z/ m Z m Z m0 Z0 m1 Z1 d d l2 m3 Z3 y d d l4 m5 Z5 Wn e6 k r�d � Z5 n Xe7 Z8 d Z9 d Z: d Z< d e= f d � � YZ> d e> f d � � YZ? d S(! s� requests.adapters ~~~~~~~~~~~~~~~~~ This module contains the transport adapters that Requests uses to define and maintain connections. i����N( t PoolManagert proxy_from_url( t HTTPResponse( t Timeout( t Retry( t ClosedPoolError( t ConnectTimeoutError( t HTTPError( t MaxRetryError( t NewConnectionError( t ProxyError( t ProtocolError( t ReadTimeoutError( t SSLError( t ResponseErrori ( t Response( t urlparset basestring( t DEFAULT_CA_BUNDLE_PATHt get_encoding_from_headerst prepend_scheme_if_neededt get_auth_from_urlt urldefragautht select_proxy( t CaseInsensitiveDict( t extract_cookies_to_jar( t ConnectionErrort ConnectTimeoutt ReadTimeoutR R t RetryErrort InvalidSchema( t _basic_auth_str( t SOCKSProxyManagerc O s t d � � d S( Ns' Missing dependencies for SOCKS support.( R ( t argst kwargs( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR + s i i t BaseAdapterc B s8 e Z d Z d � Z e d e d d d � Z d � Z RS( s The Base Transport Adapterc C s t t | � j � d S( N( t superR# t __init__( t self( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR% 7 s c C s t � d S( sC Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. N( t NotImplementedError( R& t requestt streamt timeoutt verifyt certt proxies( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt send: s c C s t � d S( s! Cleans up adapter specific items.N( R' ( R& ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt closeL s N( t __name__t __module__t __doc__R% t Falset Nonet TrueR. R/ ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR# 4 s t HTTPAdapterc B s� e Z d Z d d d d d g Z e e e e d � Z d � Z d � Z e d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z e d e d d d � Z RS( s� The built-in HTTP Adapter for urllib3. Provides a general-case interface for Requests sessions to contact HTTP and HTTPS urls by implementing the Transport Adapter interface. This class will usually be created by the :class:`Session <Session>` class under the covers. :param pool_connections: The number of urllib3 connection pools to cache. :param pool_maxsize: The maximum number of connections to save in the pool. :param max_retries: The maximum number of retries each connection should attempt. Note, this applies only to failed DNS lookups, socket connections and connection timeouts, never to requests where data has made it to the server. By default, Requests does not retry failed connections. If you need granular control over the conditions under which we retry a request, import urllib3's ``Retry`` class and pass that instead. :param pool_block: Whether the connection pool should block for connections. Usage:: >>> import requests >>> s = requests.Session() >>> a = requests.adapters.HTTPAdapter(max_retries=3) >>> s.mount('http://', a) t max_retriest configt _pool_connectionst _pool_maxsizet _pool_blockc C s� | t k r$ t d d t �| _ n t j | � | _ i | _ i | _ t t | � j � | | _ | | _ | | _ | j | | d | �d S( Ni t readt block( t DEFAULT_RETRIESR R3 R7 t from_intR8 t proxy_managerR$ R6 R% R9 R: R; t init_poolmanager( R& t pool_connectionst pool_maxsizeR7 t pool_block( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR% n s c s t � f d � � j D� � S( Nc 3 s' | ] } | t � | d � f Vq d S( N( t getattrR4 ( t .0t attr( R& ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pys <genexpr>� s ( t dictt __attrs__( R& ( ( R& sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt __getstate__� s c C sb i | _ i | _ x* | j � D] \ } } t | | | � q W| j | j | j d | j �d S( NR= ( R@ R8 t itemst setattrRA R9 R: R; ( R& t stateRG t value( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt __setstate__� s c K sF | | _ | | _ | | _ t d | d | d | d t | � | _ d S( s Initializes a urllib3 PoolManager. This method should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param connections: The number of urllib3 connection pools to cache. :param maxsize: The maximum number of connections to save in the pool. :param block: Block when no free connections are available. :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager. t num_poolst maxsizeR= t strictN( R9 R: R; R R5 t poolmanager( R& t connectionsRQ R= t pool_kwargs( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyRA � s c K s� | | j k r | j | } n� | j � j d � r� t | � \ } } t | d | d | d | j d | j d | j | �} | j | <nJ | j | � } t | d | d | j d | j d | j | �} | j | <| S( s� Return urllib3 ProxyManager for the given proxy. This method should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param proxy: The proxy to return a urllib3 ProxyManager for. :param proxy_kwargs: Extra keyword arguments used to configure the Proxy Manager. :returns: ProxyManager :rtype: urllib3.ProxyManager t sockst usernamet passwordRP RQ R= t proxy_headers( R@ t lowert startswithR R R9 R: R; RY R ( R& t proxyt proxy_kwargst managerRW RX RY ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt proxy_manager_for� s* c C s� | j � j d � r� | r� d } | t k r6 | } n | sE t } n | s_ t j j | � rw t d j | � � � n d | _ t j j | � s� | | _ q� | | _ n d | _ d | _ d | _ | r�t | t � s� | d | _ | d | _ n | | _ d | _ | j rCt j j | j � rCt d j | j � � � n | j r�t j j | j � r�t d j | j � � � q�n d S( sA Verify a SSL certificate. This method should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param conn: The urllib3 connection object associated with the cert. :param url: The requested URL. :param verify: Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: The SSL certificate to verify. t httpssF Could not find a suitable TLS CA certificate bundle, invalid path: {0}t CERT_REQUIREDt CERT_NONEi i s: Could not find the TLS certificate file, invalid path: {0}s2 Could not find the TLS key file, invalid path: {0}N( RZ R[ R4 R5 R t ost patht existst IOErrort formatt cert_reqst isdirt ca_certst ca_cert_dirt isinstanceR t cert_filet key_file( R& t connt urlR+ R, t cert_loc( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt cert_verify� s8 c C s� t � } t | d d � | _ t t | d i � � | _ t | j � | _ | | _ | j j | _ t | j t � r� | j j d � | _ n | j | _ t | j | | � | | _ | | _ | S( s� Builds a :class:`Response <requests.Response>` object from a urllib3 response. This should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>` :param req: The :class:`PreparedRequest <PreparedRequest>` used to generate the response. :param resp: The urllib3 response object. :rtype: requests.Response t statust headerss utf-8N( R RE R4 t status_codeR Rt R t encodingt rawt reasonRl Rp t bytest decodeR t cookiesR( t connection( R& t reqt respt response( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt build_response� s c C ss t | | � } | rE t | d � } | j | � } | j | � } n* t | � } | j � } | j j | � } | S( s� Returns a urllib3 connection for the given URL. This should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param url: The URL to connect to. :param proxies: (optional) A Requests-style dictionary of proxies used on this request. :rtype: urllib3.ConnectionPool t http( R R R_ t connection_from_urlR t geturlRS ( R& Rp R- R\ R@ Ro t parsed( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt get_connection" s c C s5 | j j � x! | j j � D] } | j � q Wd S( s� Disposes of any internal state. Currently, this closes the PoolManager and any active ProxyManager, which closes any pooled connections. N( RS t clearR@ t values( R& R\ ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR/ 9 s c C s� t | j | � } t | j � j } | o3 | d k } t } | ri t | � j j � } | j d � } n | j } | r� | r� t | j � } n | S( s? Obtain the url to use when making the final request. If the message is being sent through a HTTP proxy, the full URL has to be used. Otherwise, we should only use the path portion of the URL. This should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs. :rtype: str R` RV ( R Rp R t schemeR3 RZ R[ t path_urlR ( R& R( R- R\ R� t is_proxied_http_requestt using_socks_proxyt proxy_schemeRp ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt request_urlC s c K s d S( s" Add any headers needed by the connection. As of v2.0 this does nothing by default, but is left for overriding by users that subclass the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. This should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to. :param kwargs: The keyword arguments from the call to send(). N( ( R& R( R" ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt add_headers` s c C s8 i } t | � \ } } | r4 t | | � | d <n | S( s Returns a dictionary of the headers to add to any request sent through a proxy. This works with urllib3 magic to ensure that they are correctly sent to the proxy, rather than in a tunnelled request if CONNECT is being used. This should not be called from user code, and is only exposed for use when subclassing the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`. :param proxies: The url of the proxy being used for this request. :rtype: dict s Proxy-Authorization( R R ( R& R\ Rt RW RX ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyRY n s c C s} | j | j | � } | j | | j | | � | j | | � } | j | � | j d k ph d | j k } t | t � r� y% | \ } } t d | d | � } Wq� t k r� } d j | � } t | � � q� Xn' t | t � r� n t d | d | � } y�| s[| j d | j d | d | j d | j d t d t d t d t d | j d | � } nft | d � rv| j } n | j d t � } y"| j | j | d t �x- | j j � D] \ } } | j | | � q�W| j � x^ | j D]S } | j t t | � � d j d � � | j d � | j | � | j d � q�W| j d � y | j d t � } Wn t k r�| j � } n Xt j! | d | d | d t d t �} Wn | j" � � n XWn�t# t$ j% f k r�} t& | d | �� n{t' k r�} t | j( t) � r=t | j( t* � s=t+ | d | �� q=n t | j( t, � rdt- | d | �� n t | j( t. � r�t/ | d | �� n t | j( t0 � r�t1 | d | �� n t& | d | �� n� t2 k r�} t& | d | �� n� t. k r } t/ | � � nd t0 t3 f k rl} t | t0 � rBt1 | d | �� qmt | t4 � rft5 | d | �� qm� n X| j6 | | � S( s Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response s Content-Lengtht connectR< ss Invalid timeout {0}. Pass a (connect, read) timeout tuple, or a single float to set both timeouts to the same valuet methodRp t bodyRt t redirectt assert_same_hostt preload_contentt decode_contentt retriesR* t proxy_poolt skip_accept_encodingi s utf-8s s 0 t bufferingt poolR| R( N(7 R� Rp Rr R� R� R� R4 Rt Rl t tuplet TimeoutSaucet ValueErrorRg t urlopenR� R3 R7 t hasattrR� t _get_connt DEFAULT_POOL_TIMEOUTt putrequestR5 RK t putheadert endheadersR. t hext lent encodet getresponset TypeErrorR t from_httplibR/ R t sockett errorR R Rx R R R R R t _ProxyErrorR t _SSLErrorR R t _HTTPErrorR R R� ( R& R( R) R* R+ R, R- Ro Rp t chunkedR� R< t et errR~ t low_connt headerRN t it r( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR. � s� & N( R0 R1 R2 RI t DEFAULT_POOLSIZER> t DEFAULT_POOLBLOCKR% RJ RO RA R_ Rr R� R4 R� R/ R� R� RY R3 R5 R. ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyR6 Q s$ % 4 % (@ R2 t os.pathRc R� t pip._vendor.urllib3.poolmanagerR R t pip._vendor.urllib3.responseR t pip._vendor.urllib3.utilR R� t pip._vendor.urllib3.util.retryR t pip._vendor.urllib3.exceptionsR R R R� R R R R� R R R R� R t modelsR t compatR R t utilsR R R R R R t structuresR R{ R t exceptionsR R R R R t authR t! pip._vendor.urllib3.contrib.socksR t ImportErrorR3 R� R� R> R4 R� t objectR# R6 ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/adapters.pyt <module> sB .4
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