"9QRc@s dZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z yddlmZWn!ek rddlmZnXddlmZmZmZmZmZmZmZmZmZmZmZmZmZddlmZm Z m!Z!m"Z"e j#d Z$da&de j'dZ(dZ)d e*fd YZ+d e+efd YZ,ej-d Z.dZ/ddDdYZ0ddEdYZ1dZ2ddFdYZ3de3fdYZ4de3fdYZ5de3fdYZ6dZ7de3fdYZ8ddGd YZ9d!e9fd"YZ:d#dHd$YZ;d%e;e3fd&YZ<d'e;e3fd(YZ=d)Z>d*dId+YZ?d,e3e?fd-YZ@d.e3e?fd/YZAd0e3fd1YZBd2eBfd3YZCeDed4r|d5eBfd6YZEnd7e3fd8YZFd9e3fd:YZGd;ZHd<ZId=ZJd>e3fd?YZKd@e3fdAYZLdBeLfdCYZMdS(Js! An extensible library for opening URLs using a variety of protocols The simplest way to use this module is to call the urlopen function, which accepts a string containing a URL or a Request object (described below). It opens the URL and returns the results as file-like object; the returned object has some extra methods described below. The OpenerDirector manages a collection of Handler objects that do all the actual work. Each Handler implements a particular protocol or option. The OpenerDirector is a composite object that invokes the Handlers needed to open the requested URL. For example, the HTTPHandler performs HTTP GET and POST requests and deals with non-error returns. The HTTPRedirectHandler automatically deals with HTTP 301, 302, 303 and 307 redirect errors, and the HTTPDigestAuthHandler deals with digest authentication. urlopen(url, data=None) -- Basic usage is the same as original urllib. pass the url and optionally data to post to an HTTP URL, and get a file-like object back. One difference is that you can also pass a Request instance instead of URL. Raises a URLError (subclass of IOError); for HTTP errors, raises an HTTPError, which can also be treated as a valid response. build_opener -- Function that creates a new OpenerDirector instance. Will install the default handlers. Accepts one or more Handlers as arguments, either instances or Handler classes that it will instantiate. If one of the argument is a subclass of the default handler, the argument will be installed instead of the default. install_opener -- Installs a new opener as the default opener. objects of interest: OpenerDirector -- Sets up the User Agent as the Python-urllib client and manages the Handler classes, while dealing with requests and responses. Request -- An object that encapsulates the state of a request. The state can be as simple as the URL. It can also include extra HTTP headers, e.g. a User-Agent. BaseHandler -- exceptions: URLError -- A subclass of IOError, individual protocols have their own specific subclass. HTTPError -- Also a valid HTTP response, so you can treat an HTTP error as an exceptional event or valid response. internals: BaseHandler and parent _call_chain conventions Example usage: import urllib2 # set up authentication info authinfo = urllib2.HTTPBasicAuthHandler() authinfo.add_password(realm='PDQ Application', uri='https://mahler:8092/site-updates.py', user='klem', passwd='geheim$parole') proxy_support = urllib2.ProxyHandler({"http" : "http://ahad-haam:3128"}) # build a new opener that adds authentication and caching FTP handlers opener = urllib2.build_opener(proxy_support, authinfo, urllib2.CacheFTPHandler) # install it urllib2.install_opener(opener) f = urllib2.urlopen('http://www.python.org/') iN(tStringIO( tunwraptunquotet splittypet splithosttquotet addinfourlt splitporttsplittagt splitattrt ftpwrappert splitusert splitpasswdt splitvalue(t localhostt url2pathnamet getproxiest proxy_bypassicCs+tdkrtantj|||S(N(t_openertNonet build_openertopen(turltdatattimeout((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyturlopenzs  cCs |adS(N(R(topener((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pytinstall_openerstURLErrorcBseZdZdZRS(cCs|f|_||_dS(N(targstreason(tselfR((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyt__init__s cCs d|jS(Ns(R(R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyt__str__s(t__name__t __module__R R!(((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyRs t HTTPErrorcBs8eZdZejZdZdZedZRS(sBRaised when HTTP error occurs, but also acts like non-error returncCsV||_||_||_||_||_|dk rR|j||||ndS(N(tcodetmsgthdrstfptfilenameRt_HTTPError__super_init(RRR%R&R'R(((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR s      cCsd|j|jfS(NsHTTP Error %s: %s(R%R&(R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR!scCs|jS(N(R&(R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyRs( R"R#t__doc__RR R*R!tpropertyR(((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR$s   s:\d+$cCs_|j}tj|d}|dkr@|jdd}ntjd|d}|jS(sReturn request-host, as defined by RFC 2965. 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The last 30x error message was: ( R"R#RRRtRthttp_error_301thttp_error_303thttp_error_307R(((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyRs  " 8c Cst|\}}|jds0d}|}nV|jdsRtd|n|jdd}|dkryd}n|d|!}t|\}}|dk rt|\}}n d}}||||fS(s3Return (scheme, user, password, host/port) given a URL or an authority. If a URL is supplied, it must have an authority (host:port) component. According to RFC 3986, having an authority component means the URL must have two slashes after the scheme: >>> _parse_proxy('file:/ftp.example.com/') Traceback (most recent call last): ValueError: proxy URL with no authority: 'file:/ftp.example.com/' The first three items of the returned tuple may be None. Examples of authority parsing: >>> _parse_proxy('proxy.example.com') (None, None, None, 'proxy.example.com') >>> _parse_proxy('proxy.example.com:3128') (None, None, None, 'proxy.example.com:3128') The authority component may optionally include userinfo (assumed to be username:password): >>> _parse_proxy('joe:password@proxy.example.com') (None, 'joe', 'password', 'proxy.example.com') >>> _parse_proxy('joe:password@proxy.example.com:3128') (None, 'joe', 'password', 'proxy.example.com:3128') Same examples, but with URLs instead: >>> _parse_proxy('http://proxy.example.com/') ('http', None, None, 'proxy.example.com') >>> _parse_proxy('http://proxy.example.com:3128/') ('http', None, None, 'proxy.example.com:3128') >>> _parse_proxy('http://joe:password@proxy.example.com/') ('http', 'joe', 'password', 'proxy.example.com') >>> _parse_proxy('http://joe:password@proxy.example.com:3128') ('http', 'joe', 'password', 'proxy.example.com:3128') Everything after the authority is ignored: >>> _parse_proxy('ftp://joe:password@proxy.example.com/rubbish:3128') ('ftp', 'joe', 'password', 'proxy.example.com') Test for no trailing '/' case: >>> _parse_proxy('http://joe:password@proxy.example.com') ('http', 'joe', 'password', 'proxy.example.com') Rs//sproxy URL with no authority: %riiN(RR}RRUR|R R ( tproxytschemetr_schemet authoritytendtuserinfothostporttusertpassword((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyt _parse_proxyzs2      RcBs#eZdZddZdZRS(idcCs|dkrt}nt|ds3td||_x=|jD]/\}}t|d||||jdqIWdS(Nthas_keysproxies must be a mappings%s_opencSs||||S(N((trRR;R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyts(RRRHtAssertionErrortproxiesR?tsetattrRv(RRR;R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR s    c Cs|j}t|\}}}}|dkr9|}n|jrUt|jrUdS|r|rdt|t|f} tj| j} |j dd| nt|}|j ||||ks|dkrdS|j j |d|j SdS(Ns%s:%ssProxy-authorizationsBasic RZR(RVRRR6RRtbase64t b64encodetstripR@R[RRR( RRRR;t orig_typet proxy_typeRRRt user_passtcreds((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyRvs     N(R"R#RRR Rv(((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyRs tHTTPPasswordMgrcBs8eZdZdZdZedZdZRS(cCs i|_dS(N(tpasswd(R((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR scCst|tr|g}n||jkr:i|j|tmoRRRRy((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pythttp_error_auth_reqedOs cCs|jj||\}}|dk rd||f}dtj|j}|jj|jd|krrdS|j |j||j j |d|j SdSdS(Ns%s:%ssBasic %sR( RRRRRRR>Rdt auth_headerRaRRR(RR6RRRtpwtrawtauth((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR fs N( R"R#tretcompiletIRRR RR#R (((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pyR7s      tHTTPBasicAuthHandlercBseZdZdZRS(t AuthorizationcCs2|j}|jd|||}|j|S(Nswww-authenticate(R/R#R(RRR(R%R&R>RRy((sH/opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/lib/python2.7/urllib2.pythttp_error_401ws    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