3 ^Qr @sdZddlZddlZddlZddlmZddlmZddlm Z ddl m Z m Z m Z mZmZddlmZmZmZmZdd lmZmZmZdd lmZmZdd lmZdd lmZm Z m!Z!dd l"m#Z#m$Z$m%Z%m&Z&ddl'm(Z(ddl)m*Z*ddlm+Z+m,Z,m-Z-m.Z.m/Z/m0Z0ddl1m2Z2ddlm3Z3ej4dkrVy ej5Z6Wne7k rRej8Z6YnXnejZ6efddZ9efddZ:Gddde;ZdS)z requests.session ~~~~~~~~~~~~~~~~ This module provides a Session object to manage and persist settings across requests (cookies, auth, proxies). 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AuthorizationN)rArarRrequest trust_envr prepare_auth)rCrr7rAranew_authr'r'r+r|sz!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| 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)rallzProxy-Authorization)NN) rArar rKrbr8r!rr setdefaultr"KeyErrorr) rCrr_rArarK new_proxiesr bypass_proxyenviron_proxiesproxyusernamepasswordr'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. 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