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requests
sessions.pyo
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Z. m/ Z/ m0 Z0 d d l1 m2 Z2 d d l m3 Z3 e j4 � d k r�y e j5 Z6 Wn e7 k r�e j8 Z6 n Xn e j Z6 e d � Z9 e d � Z: d e; f d � � YZ< d e< f d � � YZ= d � Z> d S( s� requests.session ~~~~~~~~~~~~~~~~ This module provides a Session object to manage and persist settings across requests (cookies, auth, proxies). i����N( t Mapping( t timedeltai ( t _basic_auth_str( t cookielibt is_py3t OrderedDictt urljoint urlparse( t cookiejar_from_dictt extract_cookies_to_jart RequestsCookieJart merge_cookies( t Requestt PreparedRequestt DEFAULT_REDIRECT_LIMIT( t default_hookst dispatch_hook( t to_native_string( t to_key_val_listt default_headers( t TooManyRedirectst InvalidSchemat ChunkedEncodingErrort ContentDecodingError( t CaseInsensitiveDict( t HTTPAdapter( t requote_urit get_environ_proxiest get_netrc_autht should_bypass_proxiest get_auth_from_urlt rewind_bodyt DEFAULT_PORTS( t codes( t REDIRECT_STATIt Windowsc C s� | d k r | S| d k r | St | t � o; t | t � sB | S| t | � � } | j t | � � g | j � D] \ } } | d k rt | ^ qt } x | D] } | | =q� W| S( s� Determines appropriate setting for a given request, taking into account the explicit setting on that request, and the setting in the session. If a setting is a dictionary, they will be merged together using `dict_class` N( t Nonet isinstanceR R t updatet items( t request_settingt session_settingt dict_classt merged_settingt kt vt none_keyst key( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt merge_setting2 s 1 c C sZ | d k s! | j d � g k r% | S| d k sF | j d � g k rJ | St | | | � S( s� Properly merges both requests and session hooks. This is necessary because when request_hooks == {'response': []}, the merge breaks Session hooks entirely. t responseN( R$ t getR0 ( t request_hookst session_hooksR* ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt merge_hooksQ s !!t SessionRedirectMixinc B sP e Z d � Z d � Z e d e d d e d � Z d � Z d � Z d � Z RS( c C s? | j r; | j d } t r. | j d � } n t | d � Sd S( s7 Receives a Response. Returns a redirect URI or ``None``t locationt latin1t utf8N( t is_redirectt headersR t encodeR R$ ( t selft respR7 ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt get_redirect_targetb s c C s� t | � } t | � } | j | j k r. t S| j d k rn | j d k rn | j d k rn | j d k rn t S| j | j k } | j | j k } t j | j d � d f } | r� | j | k r� | j | k r� t S| p� | S( sF Decide whether Authorization header should be removed when redirectingt httpiP t httpsi� N( iP N( i� N( R t hostnamet Truet schemet portR$ t FalseR R2 ( R= t old_urlt new_urlt old_parsedt new_parsedt changed_portt changed_schemet default_port( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt should_strip_authx s c k s� g } | j | � } x�| r�| j � } | j | � | d | _ y | j Wn- t t t f k r~ | j j d t � n Xt | j � | j k r� t d | j d | �� n | j � | j d � r� t | j � } d t | j � | f } n t | � } | j � } | j s3t | j t | � � } n t | � } t | � | _ | j | | � | j t j t j f k r�d } x! | D] } | j j | d � q�Wd | _ n | j } y | d =Wn t! k r�n Xt" | j# | | j � t$ | j# | j% � | j& | j# � | j' | | � } | j( | | � | j) d k oVd | k pVd | k } | rlt* | � n | } | r�| Vq | j+ | d | d | d | d | d | d t | �} t" | j% | | j � | j | � } | Vq Wd S( sB Receives a Response. Returns a generator of Responses or Requests.i t decode_contents Exceeded %s redirects.R1 s //s %s:%ss Content-Lengths Content-Types Transfer-Encodingt Cookiet streamt timeoutt verifyt certt proxiest allow_redirectsN( s Content-Lengths Content-Types Transfer-Encoding(, R? t copyt appendt historyt contentR R t RuntimeErrort rawt readRF t lent max_redirectsR t closet startswithR t urlR RD t geturlt netlocR R t rebuild_methodt status_codeR! t temporary_redirectt permanent_redirectR; t popR$ t bodyt KeyErrorR t _cookiesR t cookiest prepare_cookiest rebuild_proxiest rebuild_autht _body_positionR t send( R= R> t reqRQ RR RS RT RU t yield_requestst adapter_kwargst histRb t prepared_requestt parsed_rurlt parsedt purged_headerst headerR; t rewindable( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt resolve_redirects� sr c C s{ | j } | j } d | k r@ | j | j j | � r@ | d =n | j rU t | � n d } | d k rw | j | � n d S( s� When being redirected we may want to strip authentication from the request to avoid leaking credentials. This method intelligently removes and reapplies authentication where possible to avoid credential loss. t AuthorizationN( R; Rb RN t requestt trust_envR R$ t prepare_auth( R= Rw R1 R; Rb t new_auth( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRp � s $ c C s5 | d k r | n i } | j } | j } t | � j } | j � } | j d � } t | d | �} | j r� | r� t | d | �} | j | | j d � � } | r� | j | | � q� n d | k r� | d =n y t | | � \ } } Wn t k rd \ } } n X| r1| r1t | | � | d <n | S( s� This method re-evaluates the proxy configuration by considering the environment variables. If we are redirected to a URL covered by NO_PROXY, we strip the proxy configuration. Otherwise, we set missing proxy keys for this URL (in case they were stripped by a previous redirect). This method also replaces the Proxy-Authorization header where necessary. :rtype: dict t no_proxyt alls Proxy-AuthorizationN( NN( R$ R; Rb R RD RW R2 R R� R t setdefaultR Rk R ( R= Rw RU R; Rb RD t new_proxiesR� t bypass_proxyt environ_proxiest proxyt usernamet password( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRo s* c C s� | j } | j t j k r0 | d k r0 d } n | j t j k rW | d k rW d } n | j t j k r~ | d k r~ d } n | | _ d S( s� When being redirected we may want to change the method of the request based on certain specs or browser behavior. t HEADt GETt POSTN( t methodRf R! t see_othert foundt moved( R= Rw R1 R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRe : s N( t __name__t __module__R? RN RF R$ RC R} Rp Ro Re ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR6 ` s k )t Sessionc B s e Z d Z d d d d d d d d d d d d d g Z d � Z d � Z d � Z d � Z d! d! d! d! d! d! d! e d! d! d! d! d! d! d � Z d � Z d � Z d � Z d! d! d � Z d! d � Z d! d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS(" s~ A Requests session. Provides cookie persistence, connection-pooling, and configuration. Basic Usage:: >>> import requests >>> s = requests.Session() >>> s.get('http://httpbin.org/get') <Response [200]> Or as a context manager:: >>> with requests.Session() as s: >>> s.get('http://httpbin.org/get') <Response [200]> R; Rm t authRU t hookst paramsRS RT t prefetcht adaptersRQ R� R_ c C s� t � | _ d | _ i | _ t � | _ i | _ t | _ t | _ d | _ t | _ t | _ t i � | _ t � | _ | j d t � � | j d t � � d S( Ns https://s http://( R R; R$ R� RU R R� R� RF RQ RC RS RT R R_ R� R Rm R R� t mountR ( R= ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __init__j s c C s | S( N( ( R= ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __enter__� s c G s | j � d S( N( R` ( R= t args( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __exit__� s c C s* | j p i } t | t j � s0 t | � } n t t t � | j � | � } | j } | j r� | r� | j r� t | j � } n t � } | j d | j j � d | j d | j d | j d | j d t | j | j d t �d t | j | j � d t | | j � d | d t | j | j � � | S( s� Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it. The :class:`PreparedRequest` has settings merged from the :class:`Request <Request>` instance and those of the :class:`Session`. :param request: :class:`Request` instance to prepare with this session's settings. :rtype: requests.PreparedRequest R� Rb t filest datat jsonR; R* R� R� Rm R� ( Rm R% R t CookieJarR R R R� R� R Rb R t prepareR� t upperR� R� R� R0 R; R R� R5 R� ( R= R Rm t merged_cookiesR� t p( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt prepare_request� s* c C s� t d | j � d | d | d | d | p- i d | d | p? i d | d | d | � } | j | � } | po i } | j | j | | | | � } i | d 6| d 6} | j | � | j | | � } | S( s� Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :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 allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :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. Defaults to ``True``. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response R� Rb R; R� R� R� R� R� Rm R� RR RV ( R R� R� t merge_environment_settingsRb R& Rr ( R= R� Rb R� R� R; Rm R� R� RR RV RU R� RQ RS RT R� Rs t prept settingst send_kwargsR> ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR � s* ) c K s# | j d t � | j d | | � S( s� Sends a GET request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response RV R� ( R� RC R ( R= Rb t kwargs( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR2 s c K s# | j d t � | j d | | � S( s� Sends a OPTIONS request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response RV t OPTIONS( R� RC R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt options! s c K s# | j d t � | j d | | � S( s� Sends a HEAD request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response RV R� ( R� RF R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt head, s c K s | j d | d | d | | �S( s� Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response R� R� R� ( R ( R= Rb R� R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt post7 s c K s | j d | d | | �S( sY Sends a PUT request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response t PUTR� ( R ( R= Rb R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt putC s c K s | j d | d | | �S( s[ Sends a PATCH request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response t PATCHR� ( R ( R= Rb R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt patchN s c K s | j d | | � S( s� Sends a DELETE request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response t DELETE( R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt deleteY s c K s | j d | j � | j d | j � | j d | j � | j d | j � t | t � rj t d � � n | j d t � } | j d � } | j } | j d | j � } t � } | j | | � } t � | } t d | � | _ t d | | | � } | j r1x- | j D] } t | j | j | j � q Wn t | j | | j � | j | | | � } | r{g | D] } | ^ qin g } | r�| j d | � | j � } | | _ n | s�y( t | j | | d t | �� | _ Wq�t k r�q�Xn | s| j n | S( sI Send a given PreparedRequest. :rtype: requests.Response RQ RS RT RU s# You can only send PreparedRequests.RV Rb t secondsR1 i Rt ( R� RQ RS RT RU R% R t ValueErrorRi RC R2 R� t get_adapterRb t preferred_clockRr R t elapsedR RY R Rm R R\ R} t insertt nextt _nextt StopIterationRZ ( R= R R� RV RQ R� t adaptert startt rR� R> t genRY ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRr c sB % ( c C s | j r� | d k r$ | j d � n d } t | d | �} x* | j � D] \ } } | j | | � qI W| t k s� | d k r� t j j d � p� t j j d � } q� n t | | j � } t | | j � } t | | j � } t | | j � } i | d 6| d 6| d 6| d 6S( s^ Check the environment and merge it with some settings. :rtype: dict R� t REQUESTS_CA_BUNDLEt CURL_CA_BUNDLERS RU RQ RT N( R� R$ R2 R R' R� RC t ost environR0 RU RQ RS RT ( R= Rb RU RQ RS RT R� t env_proxiesR, R- ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR� � s !c C sM x6 | j j � D]% \ } } | j � j | � r | Sq Wt d | � � d S( s~ Returns the appropriate connection adapter for the given URL. :rtype: requests.adapters.BaseAdapter s* No connection adapters were found for '%s'N( R� R' t lowerRa R ( R= Rb t prefixR� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR� � s c C s( x! | j j � D] } | j � q Wd S( s+ Closes all adapters and as such the sessionN( R� t valuesR` ( R= R- ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR` � s c C so | | j | <g | j D]$ } t | � t | � k r | ^ q } x' | D] } | j j | � | j | <qH Wd S( sw Registers a connection adapter to a prefix. Adapters are sorted in descending order by prefix length. N( R� R^ Ri ( R= R� R� R, t keys_to_moveR/ ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR� � s 4 c s# t � f d � � j D� � } | S( Nc 3 s' | ] } | t � | d � f Vq d S( N( t getattrR$ ( t .0t attr( R= ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pys <genexpr>� s ( t dictt __attrs__( R= t state( ( R= sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __getstate__� s c C s1 x* | j � D] \ } } t | | | � q Wd S( N( R' t setattr( R= R� R� t value( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __setstate__� s N( R� R� t __doc__R� R� R� R� R� R$ RC R R2 R� R� R� R� R� R� Rr R� R� R` R� R� R� ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR� Q s2 7 ) D I c C s t � S( sQ Returns a :class:`Session` for context-management. :rtype: Session ( R� ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt session� s (? R� R� t platformt timet collectionsR t datetimeR R� R t compatR R R R R Rm R R R R t modelsR R R R� R R t _internal_utilsR t utilsR R t exceptionsR R R R t structuresR R� R R R R R R R R t status_codesR! R" t systemt perf_counterR� t AttributeErrort clockR0 R5 t objectR6 R� R� ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt <module> s< (" "4 �� �
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