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zfc@sWdZddlZddlZddlZddlZddlZddlZddlZddlZddl    Z    ddl
Z
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ddlZyddlmZWn!ek
r�ddlmZnXyddlZWnek
reZnXeZddlmZmZmZmZmZmZmZmZmZm Z m!Z!m"Z"m#Z#m$Z$ddlm%Z%m&Z&m'Z'm(Z(e
j)d Z*da,de    j-ddedd�Z.d�Z/d    e0fd
��YZ1de1efd��YZ2ej3d
�Z4d�Z5ddDd��YZ6ddEd��YZ7d�Z8ddFd��YZ9de9fd��YZ:de9fd��YZ;de9fd��YZ<d�Z=de9fd��YZ>ddGd ��YZ?d!e?fd"��YZ@d#dHd$��YZAd%eAe9fd&��YZBd'eAe9fd(��YZCd)�ZDd*dId+��YZEd,e9eEfd-��YZFd.e9eEfd/��YZGd0e9fd1��YZHd2eHfd3��YZIeJed4�r�d5eHfd6��YZKnd7e9fd8��YZLd9e9fd:��YZMd;�ZNd<�ZOd=�ZPd>e9fd?��YZQd@e9fdA��YZRdBeRfdC��YZSdS(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/')


i����N(tStringIO(tunwraptunquotet    splittypet    splithosttquotet
addinfourlt    splitporttsplittagttoBytest    splitattrt
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getproxiestproxy_bypassic    Cs�|s|s|r�|dk    r-td��ntsBtd��ntjdtjjd|d|�}td|�}t|�}nF|r�td|�}t|�}n"t    dkr�t�a    }nt    }|j
|||�S(NsDYou can't pass both context and any of cafile, capath, and cadefaultsSSL support not availabletpurposetcafiletcapathtcontext(tNonet
ValueErrort    _have_ssltssltcreate_default_contexttPurposetSERVER_AUTHtHTTPSHandlertbuild_openert_openertopen(    turltdatattimeoutRRt    cadefaultRt
https_handlertopener((s/usr/lib64/python2.7/urllib2.pyturlopen�s$    cCs
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    s:\d+$cCs_|j�}tj|�d}|dkr@|jdd�}ntjd|d�}|j�S(s�Return request-host, as defined by RFC 2965.

    Variation from RFC: returned value is lowercased, for convenient
    comparison.

    ittHost(tget_full_urlturlparset
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cCss|j|jdd|�}|r%|S|j�}|j|j||d|�}|rZ|S|j|jdd|�S(NRqtdefault_openR�tunknowntunknown_open(R�RzRc(R-R�R#R�R�((s/usr/lib64/python2.7/urllib2.pyR��s
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N(R0R1R.R�R�R�Rtsockett_GLOBAL_DEFAULT_TIMEOUTR!R�R�(((s/usr/lib64/python2.7/urllib2.pyRvPs        /        csRddl��fd�}t�}tttttttt    g}t
td�ra|jt
�nt�}xl|D]d}x[|D]S}||�r�t||�r�|j|�q�q~t||�r~|j|�q~q~WqqWx|D]}|j|�q�Wx|D]}|j|��q�Wx3|D]+}||�r=|�}n|j|�qW|S(s+Create an opener object from a list of handlers.

    The opener will use several default handlers, including support
    for HTTP, FTP and when applicable, HTTPS.

    If any of the handlers passed as arguments are subclasses of the
    default handlers, the default handlers will not be used.
    i����Ncst|�jtf�S(N(R�t    ClassTypeRJ(tobj(ttypes(s/usr/lib64/python2.7/urllib2.pytisclass�stHTTPS(R�RvtProxyHandlertUnknownHandlertHTTPHandlertHTTPDefaultErrorHandlertHTTPRedirectHandlert
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     (R0R1R:R�R�thttps_response(((s/usr/lib64/python2.7/urllib2.pyR�s    R�cBseZd�ZRS(cCs"t|j�||||��dS(N(R2R>(R-R�R6R3R4R5((s/usr/lib64/python2.7/urllib2.pyR�+s(R0R1R�(((s/usr/lib64/python2.7/urllib2.pyR�*sR�cBs:eZdZdZd�Zd�ZeZZZdZ    RS(ii
c    Cs�|j�}|dkr$|dks<|dkr�|dkr�|jdd    �}td
�|jj�D��}t|d|d|j�d
t�St|j    �||||��dS(s�Return a Request or None in response to a redirect.

        This is called by the http_error_30x methods when a
        redirection response is received.  If a redirection should
        take place, return a new Request to allow http_error_30x to
        perform the redirect.  Otherwise, raise HTTPError if no-one
        else should try to handle this url.  Return None if you can't
        but another Handler might.
        i-i.i/i3R^tHEADR]t s%20css3|])\}}|j�dkr||fVqdS(scontent-lengthscontent-typeN(scontent-lengthscontent-type(RC(t.0tktv((s/usr/lib64/python2.7/urllib2.pys    <genexpr>Js    RMRQRRN(i-i.i/i3(R^R�(i-i.i/(
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soThe HTTP server returned a redirect error that would lead to an infinite loop.
The last 30x error message was:
(
R0R1R�R�R�R�thttp_error_301thttp_error_303thttp_error_307R�(((s/usr/lib64/python2.7/urllib2.pyR�.s    "    8c    Cs�t|�\}}|jd�s0d}|}nV|jd�sRtd|��n|jdd�}|dkryd}n|d|!}t|�\}}|dk    r�t|�\}}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')

    R�s//sproxy URL with no authority: %rii����N(RR�RRR�RR
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