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� �ReW � @ s� d Z d d l Z d d l 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 d d l m Z m Z m Z m Z d d l m Z m Z m Z d d l m Z m Z d d l m Z m Z m Z d d l 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* d d l+ m, Z, d d l m- Z- e d d � Z. e d d � Z/ Gd d � d e0 � Z1 Gd d � d e1 � Z2 d d � Z3 d S) z� requests.session ~~~~~~~~~~~~~~~~ This module provides a Session object to manage and persist settings across requests (cookies, auth, proxies). � N)�Mapping)�datetime� )�_basic_auth_str)� cookielib� OrderedDict�urljoin�urlparse� builtin_str)�cookiejar_from_dict�extract_cookies_to_jar�RequestsCookieJar� merge_cookies)�Request�PreparedRequest�DEFAULT_REDIRECT_LIMIT)� default_hooks� dispatch_hook)�to_key_val_list�default_headers�to_native_string)�TooManyRedirects� InvalidSchema�ChunkedEncodingError�ContentDecodingError)�CaseInsensitiveDict)� HTTPAdapter)� requote_uri�get_environ_proxies�get_netrc_auth�should_bypass_proxies�get_auth_from_url)�codes)�REDIRECT_STATIc C s� | d k r | S| d k r | St | t � o; t | t � sB | S| t | � � } | j t | � � x0 | j � D]" \ } } | d k rt | | =qt qt Wt d d � | j � D� � } | S)z� 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` Nc s s- | ]# \ } } | d k r | | f Vq d S)N� )�.0�k�vr$ r$ �8/tmp/pip-ztkk0jow-build/pip/_vendor/requests/sessions.py� <genexpr>C s z merge_setting.<locals>.<genexpr>)� isinstancer r �update�items�dict)�request_setting�session_setting� dict_class�merged_settingr& r' r$ r$ r( � merge_setting' s r2 c C sZ | d k s! | j d � g k r% | S| d k sF | j d � g k rJ | St | | | � S)z� Properly merges both requests and session hooks. This is necessary because when request_hooks == {'response': []}, the merge breaks Session hooks entirely. N�response)�getr2 )� request_hooks� session_hooksr0 r$ r$ r( � merge_hooksH s !!r7 c @ sC e Z d Z d d d d d d d � Z d d � Z d d � Z d S) �SessionRedirectMixinFNTc c s� d } x�| j r�| j � } y | j Wn. t t t f k rY | j j d d � Yn X| | j k r t d | j � � n | j � | j d } | j } | j d � r� t | j � } d | j | f } n t | � } | j � } t | � j st | j t | � � } n t | � } t | � | _ | j t j k rW| d k rWd } n | j t j k r~| d k r~d } n | j t j k r�| d k r�d } n | | _ | j t j t j f k r�d | j k r�| j d =n d | _ n | j } y | d =Wn t k rYn Xt | j | | j � | j j! | j" � | j# | j � | j$ | | � } | j% | | � | } | j& | d | d | d | d | d | d d �} t | j" | | j � | d 7} | Vq Wd S)z6Receives a Response. Returns a generator of Responses.r �decode_contentFzExceeded %s redirects.�locationz//z%s:%s�HEAD�GET�POSTzContent-LengthN�Cookie�stream�timeout�verify�cert�proxies�allow_redirectsr )'� is_redirect�copy�contentr r � RuntimeError�raw�read� max_redirectsr �close�headers�method� startswithr �url�scheme�geturl�netlocr r r � status_coder" � see_other�found�moved� temporary�resume�body�KeyErrorr �_cookiesr+ �cookies�prepare_cookies�rebuild_proxies� rebuild_auth�send)�self�resp�reqr? r@ rA rB rC �i�prepared_requestrP rN � parsed_rurl�parsedrM r$ r$ r( �resolve_redirectsY sn z&SessionRedirectMixin.resolve_redirectsc C s� | j } | j } d | k r[ t | j j � } t | � } | j | j k r[ | d =q[ n | j rp t | � n d } | d k r� | j | � n d S)z� 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. � AuthorizationN)rM rP r �request�hostname� trust_envr � prepare_auth)rb rf r3 rM rP �original_parsed�redirect_parsed�new_authr$ r$ r( r` � s z!SessionRedirectMixin.rebuild_authc C s | j } | j } t | � j } | d k r9 | j � n i } | j r� t | � r� t | � } | j | � } | r� | j | | | � q� n d | k r� | d =n y t | | � \ } } Wn t k r� d \ } } Yn X| r| rt | | � | d <n | S)a� 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. NzProxy-Authorization)NN) rM rP r rQ rF rm r r r4 � setdefaultr! r[ r ) rb rf rC rM rP rQ � new_proxies�environ_proxies�proxy�username�passwordr$ r$ r( r_ � s$ z$SessionRedirectMixin.rebuild_proxies)�__name__� __module__� __qualname__ri r` r_ r$ r$ r$ r( r8 X s a r8 c @ sN e Z d Z d Z d d d d d d d d d d d d d d g Z d d � Z d d � Z d d � Z d d � Z d d d d d d d d d d d d d d d � Z d d � Z d d � Z d d! � Z d d" d# � Z d d$ d% � Z d d& d' � Z d( d) � Z d* d+ � Z d, d- � Z d. d/ � Z d0 d1 � Z d2 d3 � Z d4 d5 � Z d S)6�Sessionz�A Requests session. Provides cookie persistence, connection-pooling, and configuration. Basic Usage:: >>> import requests >>> s = requests.Session() >>> s.get('http://httpbin.org/get') 200 rM r] �authr@ rC �hooks�paramsrA rB �prefetch�adaptersr? rm rK c C s� t � | _ d | _ i | _ t � | _ i | _ d | _ d | _ d | _ t | _ d | _ t i � | _ t � | _ | j d t � � | j d t � � d S)NFTzhttps://zhttp://)r rM r| rC r r} r~ r? rA rB r rK rm r r] r r� �mountr )rb r$ r$ r( �__init__ s zSession.__init__c C s | S)Nr$ )rb r$ r$ r( � __enter__? s zSession.__enter__c G s | j � d S)N)rL )rb �argsr$ r$ r( �__exit__B s zSession.__exit__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 t | j | j d t �d t | j | j � d t | | j � d | d t | j | j � � | S) ab 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. rN rP �files�datarM r0 r~ r| r] r} )r] r* r � CookieJarr r r r| rm r rP r �preparerN �upperr� r� r2 rM r r~ r7 r} )rb rk r] �merged_cookiesr| �pr$ r$ r( �prepare_requestE s( zSession.prepare_requestNTc C s� t | � } t d | j � d | d | d | d | p9 i d | pE i d | d | d | � } | j | � } | pu i } | j rt | � p� i } x* | j � D] \ } } | j | | � q� W| r� | d k r� t j j d � } n | r| d k rt j j d � } qn t | | j � } t | | j � } t | | j � } t | | j � } i | d 6| d 6| d 6| d 6| d 6| d 6} | j | | � } | S)a4 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 or bytes 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) Float describing the timeout of the request in seconds. :param allow_redirects: (optional) Boolean. Set to True by default. :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) if ``True``, the SSL cert will be verified. A CA_BUNDLE path can also be provided. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. rN rP rM r� r� r~ r| r] r} F�REQUESTS_CA_BUNDLE�CURL_CA_BUNDLEr? r@ rA rB rC rD )r r r� r� rm r r, rr �os�environr4 r2 rC r? rA rB ra )rb rN rP r~ r� rM r] r� r| r@ rD rC r} r? rA rB rd �prep� env_proxiesr& r' � send_kwargsrc r$ r$ r( rk l sD , zSession.requestc K s# | j d d � | j d | | � S)z�Sends a GET request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. rD Tr< )rr rk )rb rP �kwargsr$ r$ r( r4 � s z Session.getc K s# | j d d � | j d | | � S)z�Sends a OPTIONS request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. rD T�OPTIONS)rr rk )rb rP r� r$ r$ r( �options� s zSession.optionsc K s# | j d d � | j d | | � S)z�Sends a HEAD request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. rD Fr; )rr rk )rb rP r� r$ r$ r( �head� s z Session.headc K s | j d | d | | �S)a8 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 \*\*kwargs: Optional arguments that ``request`` takes. r= r� )rk )rb rP r� r� r$ r$ r( �post� s z Session.postc K s | j d | d | | �S)a7 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. �PUTr� )rk )rb rP r� r� r$ r$ r( �put� s z Session.putc K s | j d | d | | �S)a9 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. �PATCHr� )rk )rb rP r� r� r$ r$ r( �patch� s z Session.patchc K s | j d | | � S)z�Sends a DELETE request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. �DELETE)rk )rb rP r� r$ r$ r( �delete s zSession.deletec K s | j d | j � | j d | j � | j d | j � | j d | j � t | t � sj t d � � n | j d d � } | j d � } | j d � } | j d � } | j d � } | j d � } | j } | j d | j � } t j � } | j | | � } t j � | | _ t d | | | � } | j rdx- | j D] } t | j | j | j � q>Wn t | j | | j � | j | | d | d | d | d | d | �} | r�d d � | D� n g } | r�| j d | � | j � } | | _ n | s| j n | S)z Send a given PreparedRequest.r? rA rB rC z#You can only send PreparedRequests.rD Tr@ rP r3 c S s g | ] } | � q Sr$ r$ )r% rc r$ r$ r( � <listcomp>I s z Session.send.<locals>.<listcomp>r )rr r? rA rB rC r* r � ValueError�popr4 r} � get_adapterrP r �utcnowra �elapsedr �historyr r] rk rI ri �insertrG )rb rk r� rD r? r@ rA rB rC r} �adapter�start�rrc �genr� r$ r$ r( ra sH z Session.sendc C sM x6 | j j � D]% \ } } | j � j | � r | Sq Wt d | � � d S)z>Returns the appropriate connnection adapter for the given URL.z*No connection adapters were found for '%s'N)r� r, �lowerrO r )rb rP �prefixr� r$ r$ r( r� X s zSession.get_adapterc C s( x! | j j � D] } | j � q Wd S)z+Closes all adapters and as such the sessionN)r� �valuesrL )rb r' r$ r$ r( rL b s z Session.closec sW | | j � <� f d d � | j D� } x' | D] } | j j | � | j | <q0 Wd S)zkRegisters a connection adapter to a prefix. Adapters are sorted in descending order by key length.c s. g | ]$ } t | � t � � k r | � q Sr$ )�len)r% r& )r� r$ r( r� m s z!Session.mount.<locals>.<listcomp>N)r� r� )rb r� r� � keys_to_move�keyr$ )r� r( r� g s z Session.mountc s t � f d d � � j D� � S)Nc 3 s' | ] } | t � | d � f Vq d S)N)�getattr)r% �attr)rb r$ r( r) s s z'Session.__getstate__.<locals>.<genexpr>)r- � __attrs__)rb r$ )rb r( � __getstate__r s zSession.__getstate__c C s1 x* | j � D] \ } } t | | | � q Wd S)N)r, �setattr)rb �stater� �valuer$ r$ r( � __setstate__u s zSession.__setstate__)rx ry rz �__doc__r� r� r� r� r� rk r4 r� r� r� r� r� r� ra r� rL r� r� r� r$ r$ r$ r( r{ � sD 3 (S G r{ c C s t � S)z2Returns a :class:`Session` for context-management.)r{ r$ r$ r$ r( �sessionz s r� )4r� r� � collectionsr r r| r �compatr r r r r r] r r r r �modelsr r r r} r r �utilsr r r � exceptionsr r r r � structuresr r� r r r r r r! � status_codesr" r# r2 r7 �objectr8 r{ r� r$ r$ r$ r( �<module> s* (" "(!�� �
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