­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ 3 |`hUs @sdZddlZddlZddlZddlmZddlmZddlm Z m Z m Z m Z m Z mZddlmZmZmZmZddlmZmZmZdd lmZmZdd lmZdd lmZmZm Z dd l!m"Z"m#Z#m$Z$m%Z%dd l&m'Z'ddl(m)Z)ddlm*Z*m+Z+m,Z,m-Z-m.Z.m/Z/ddl0m1Z1ddlm2Z2ej3dkrNy ej4Z5Wne6k rJej7Z5YnXnejZ5e fddZ8e fddZ9Gddde:Z;Gddde;ZIsz!merge_setting..) isinstancer rupdateitems)Zrequest_settingZsession_setting dict_classZmerged_settingZ none_keyskeyr&r&r* merge_setting1s     r1cCs@|dks|jdgkr|S|dks0|jdgkr4|St|||S)zProperly merges both requests and session hooks. This is necessary because when request_hooks == {'response': []}, the merge breaks Session hooks entirely. Nresponse)getr1)Z request_hooksZ session_hooksr/r&r&r* merge_hooksPs r4c@s>eZdZddZddZddd Zd d Zd d ZddZdS)SessionRedirectMixincCs,|jr(|jd}tr|jd}t|dSdS)z7Receives a Response. Returns a redirect URI or ``None``locationlatin1utf8N)Z is_redirectheadersrencoder)selfrespr6r&r&r*get_redirect_targetas    z(SessionRedirectMixin.get_redirect_targetcCst|}t|}|j|jkr dS|jdkrL|jdkrL|jdkrL|jd krLdS|j|jk}|j|jk}tj|jddf}| r|j|kr|j|krdS|p|S) zFDecide whether Authorization header should be removed when redirectingTZhttpPNhttpsF)r>N)r@N)r ZhostnameschemeZportrr3)r;Zold_urlZnew_urlZ old_parsedZ new_parsedZ changed_portZchanged_schemeZ default_portr&r&r*should_strip_authvs    z&SessionRedirectMixin.should_strip_authFNTc ksdg} |j|} t|jj} xB| r^|j} | j|| dd|_y |jWn(tt t fk rv|j j ddYnXt |j|jkrtd|j|d|j| jdrt|j}dt|j| f} t| }|jd kr| r|j| d }n |jr|j} |j} |jst|jt| } nt| } t| | _|j| ||jtjtjfkrtd}x|D]}| jj|dqVWd| _ | j}y |d=Wnt!k rYnXt"| j#||j t$| j#|j%| j&| j#|j'| |}|j(| || j)dk od |kpd |k}|r t*| | }|r|Vq|j+|f|||||dd| }t"|j%| |j |j|} |VqWdS)zBReceives a Response. Returns a generator of Responses or Requests.rNF)Zdecode_contentzExceeded %s redirects.)r2z//z%s:%s)fragmentContent-Length Content-TypeTransfer-EncodingZCookie)streamtimeoutverifycertproxiesallow_redirects)rErFrG),r=r urlrDcopyappendhistorycontentrr RuntimeErrorrawreadlen max_redirectsrclose startswithrrA_replaceZgeturlZnetlocrrrebuild_method status_coder$Ztemporary_redirectZpermanent_redirectr9popZbodyKeyErrorr Z_cookiesrcookiesZprepare_cookiesrebuild_proxies rebuild_authZ_body_positionr#send)r;r<reqrHrIrJrKrLyield_requestsZadapter_kwargsZhistrNZprevious_fragmentprepared_requestZ parsed_rurlZparsedZpurged_headersheaderr9Z rewindabler&r&r*resolve_redirectss|                z&SessionRedirectMixin.resolve_redirectscCsR|j}|j}d|kr*|j|jj|r*|d=|jr8t|nd}|dk rN|j|dS)zWhen 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. Z AuthorizationN)r9rNrBrequest trust_envr Z prepare_auth)r;rer2r9rNZnew_authr&r&r*ras z!SessionRedirectMixin.rebuild_authc Cs|dk r |ni}|j}|j}t|j}|j}|jd}t||d}|jr~| r~t||d} | j|| jd} | r~|j || d|kr|d=yt ||\} } Wnt k rd\} } YnX|j d r| r| rt | | |d<|S)aThis 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 Nno_proxy)rjallzProxy-Authorizationr?)NN)r9rNr rArOr3r!rir setdefaultr"r^rYr) r;rerLr9rNrAZ new_proxiesrjZ bypass_proxyZenviron_proxiesproxyZusernameZpasswordr&r&r*r`s*       z$SessionRedirectMixin.rebuild_proxiescCsX|j}|jtjkr|dkrd}|jtjkr6|dkr6d}|jtjkrN|dkrNd}||_dS)zWhen being redirected we may want to change the method of the request based on certain specs or browser behavior. HEADGETPOSTN)methodr\r$Z see_otherfoundZmoved)r;rer2rqr&r&r*r[?sz#SessionRedirectMixin.rebuild_method)FNTNNF) __name__ __module__ __qualname__r=rBrgrar`r[r&r&r&r*r5_s p+r5c@seZdZdZdddddddd d d d d dg ZddZddZddZddZd7ddZ ddZ ddZ dd Z d8d!d"Z d9d#d$Zd:d%d&Zd'd(Zd)d*Zd+d,Zd-d.Zd/d0Zd1d2Zd3d4Zd5d6ZdS);SessionaA Requests session. Provides cookie persistence, connection-pooling, and configuration. Basic Usage:: >>> import requests >>> s = requests.Session() >>> s.get('https://httpbin.org/get') Or as a context manager:: >>> with requests.Session() as s: >>> s.get('https://httpbin.org/get') r9r_authrLhooksparamsrJrKZprefetchadaptersrHrirWcCsrt|_d|_i|_t|_i|_d|_d|_d|_ t |_ d|_ t i|_t|_|jdt|jdtdS)NFTzhttps://zhttp://)rr9rwrLrrxryrHrJrKrrWrir r_rrzmountr)r;r&r&r*__init__os zSession.__init__cCs|S)Nr&)r;r&r&r* __enter__szSession.__enter__cGs |jdS)N)rX)r;argsr&r&r*__exit__szSession.__exit__c Cs|jpi}t|tjst|}ttt|j|}|j}|jrV| rV|j rVt |j }t }|j |j j|j |j|j|jt|j|jtdt|j|jt||j|t|j|jd |S)aConstructs a :class:`PreparedRequest ` for transmission and returns it. The :class:`PreparedRequest` has settings merged from the :class:`Request ` instance and those of the :class:`Session`. :param request: :class:`Request` instance to prepare with this session's settings. :rtype: requests.PreparedRequest )r/) rqrNfilesdatajsonr9ryrwr_rx)r_r,rZ CookieJarr rr rwrir rNrZpreparerqupperrrrr1r9rryr4rx)r;rhr_Zmerged_cookiesrwpr&r&r*prepare_requests*     zSession.prepare_requestNTc Cstt|j||||pi||pi||| d }|j|}| p8i} |j|j| | ||}| | d}|j||j|f|}|S)aConstructs a :class:`Request `, prepares it and sends it. Returns :class:`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, list of tuples, 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) ` 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 ) rqrNr9rrrryrwr_rx)rIrM)rrrmerge_environment_settingsrNr-rb)r;rqrNryrr9r_rrwrIrMrLrxrHrJrKrrcZprepZsettingsZ send_kwargsr<r&r&r*rhs()  zSession.requestcKs|jdd|jd|f|S)zSends 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 rMTro)rlrh)r;rNkwargsr&r&r*r3s z Session.getcKs|jdd|jd|f|S)zSends 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 rMTZOPTIONS)rlrh)r;rNrr&r&r*options&s zSession.optionscKs|jdd|jd|f|S)zSends 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 rMFrn)rlrh)r;rNrr&r&r*head1s z Session.headcKs|jd|f||d|S)aSends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, 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 rp)rr)rh)r;rNrrrr&r&r*post<s z Session.postcKs|jd|fd|i|S)auSends a PUT request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response ZPUTr)rh)r;rNrrr&r&r*putIs z Session.putcKs|jd|fd|i|S)awSends a PATCH request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response ZPATCHr)rh)r;rNrrr&r&r*patchUs z Session.patchcKs|jd|f|S)zSends 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 ZDELETE)rh)r;rNrr&r&r*deleteaszSession.deletec Ks~|jd|j|jd|j|jd|j|jd|jt|trJtd|jdd}|j d}|j }|j |j d}t }|j|f|}t |} t| d |_td ||f|}|jrx |jD]} t|j| j| jqWt|j||j|j||f|} |r d d | Dng} | r.| jd || j}| |_|sny"t|j||fddi||_Wntk rlYnX|sz|j|S)zISend a given PreparedRequest. :rtype: requests.Response rHrJrKrLz#You can only send PreparedRequests.rMT)rN)Zsecondsr2cSsg|]}|qSr&r&)r'r<r&r&r*r+sz Session.send..rrd)rlrHrJrKrLr,r ValueErrorr]r3rx get_adapterrNpreferred_clockrbrelapsedrrQr r_rhrTrginsertnextZ_next StopIterationrR) r;rhrrMrHrxadapterstartrrr<genrQr&r&r*rbksB       "z Session.sendc Cs|jrr|dk r|jdnd}t||d}x |jD]\}} |j|| q2W|dksZ|dkrrtjjdpptjjd}t||j}t||j }t||j }t||j }||||dS)z^ Check the environment and merge it with some settings. :rtype: dict Nrj)rjTZREQUESTS_CA_BUNDLEZCURL_CA_BUNDLE)rJrLrHrK) rir3rr.rlosenvironr1rLrHrJrK) r;rNrLrHrJrKrjZ env_proxiesr(r)r&r&r*rs       z"Session.merge_environment_settingscCs>x,|jjD]\}}|jj|jr |Sq Wtd|dS)z~ Returns the appropriate connection adapter for the given URL. :rtype: requests.adapters.BaseAdapter z*No connection adapters were found for '%s'N)rzr.lowerrYr)r;rNprefixrr&r&r*rszSession.get_adaptercCs x|jjD] }|jq WdS)z+Closes all adapters and as such the sessionN)rzvaluesrX)r;r)r&r&r*rXsz Session.closecsB||j<fdd|jD}x|D]}|jj||j|<q$WdS)zwRegisters a connection adapter to a prefix. Adapters are sorted in descending order by prefix length. cs g|]}t|tkr|qSr&)rV)r'r()rr&r*r+sz!Session.mount..N)rzr])r;rrZ keys_to_mover0r&)rr*r{s  z Session.mountcsfddjD}|S)Ncsi|]}t|d|qS)N)getattr)r'attr)r;r&r* sz(Session.__getstate__..) __attrs__)r;stater&)r;r* __getstate__szSession.__getstate__cCs&x |jD]\}}t|||q WdS)N)r.setattr)r;rrvaluer&r&r* __setstate__szSession.__setstate__)NNNNNNNTNNNNNN)NN)N)N)rsrtru__doc__rr|r}rrrhr3rrrrrrrbrrrXr{rrr&r&r&r*rvVs2 7) D    I rvcCstS)aZ Returns a :class:`Session` for context-management. .. deprecated:: 1.0.0 This method has been deprecated since version 1.0.0 and is only kept for backwards compatibility. New code should use :class:`~requests.sessions.Session` to create a session. This may be removed at a future date. :rtype: Session )rvr&r&r&r*sessions r)>rrsysZtimeZdatetimerrwrcompatrrrrr r r_r r r rZmodelsrrrrxrrZ_internal_utilsrZutilsrrr exceptionsrrrrZ structuresrrzrrrr r!r"r#Z status_codesr$r%platformZ perf_counterrAttributeErrorZclockr1r4objectr5rvrr&r&r&r* s@             x%