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request.cpython-36.pyc
3 ct�j~� � ) @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZddlZddlZddlmZmZmZ ddlmZmZmZmZm Z m Z m Z m Z m Z m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z) ddl*m+Z+m,Z, y ddl-Z-W n e.k �r& dZ/Y nX dZ/dd d d d d ddddddddddddddd d d d d d!d"d#d$d%d&d'd(g!Z0d)e j1dd*� Z2da3de j4fddddd+�d,d �Z5d-d � Z6g Z7d~d.d%�Z8d/d&� Z9e j:d0e j;�Z<d1d2� Z=G d3d� d�Z>G d4d � d �Z?d5d!� Z@G d6d � d �ZAG d7d � d eA�ZBG d8d � d eA�ZCG d9d � d eA�ZDd:d;� ZEG d<d� deA�ZFG d=d� d�ZGG d>d� deG�ZHG d?d� deH�ZIG d@d� d�ZJG dAd� deJeA�ZKG dBd� deJeA�ZLejMZNG dCd� d�ZOG dDd� deAeO�ZPG dEd� deAeO�ZQG dFdG� dGeA�ZRG dHd� deR�ZSeTejUdI��r2G dJdK� dKeR�ZVe0jWdK� G dLd � d eA�ZXG dMd � d eA�ZYdNdO� ZZdPdQ� Z[G dRd� deA�Z\dSdT� Z]G dUd� deA�Z^G dVd� de^�Z_G dWd � d eA�Z`dXZaejbdYk�r�ddZlcmdZdmeZe nd[d#� Zdd\d"� Zei ZfG d]d'� d'�ZgG d^d(� d(eg�Zhdaid_d`� Zjdakdadb� Zldamdcdd� Zndaodedf� ZpG dgdh� dh�Zqdidj� Zrddkdl�Zsdmdn� Zte judok�r�ddplvmwZwmxZx dqdr� Zydsdt� Zzdudv� Z{dwd$� Z|n6ejbdYk�r�dxdy� Z}dzd$� Z|d{d|� Z~d}dv� Z{nerZ|esZ{dS )�a� 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 OSError); 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 -- internals: BaseHandler and parent _call_chain conventions Example usage: import urllib.request # set up authentication info authinfo = urllib.request.HTTPBasicAuthHandler() authinfo.add_password(realm='PDQ Application', uri='https://mahler:8092/site-updates.py', user='klem', passwd='geheim$parole') proxy_support = urllib.request.ProxyHandler({"http" : "http://ahad-haam:3128"}) # build a new opener that adds authentication and caching FTP handlers opener = urllib.request.build_opener(proxy_support, authinfo, urllib.request.CacheFTPHandler) # install it urllib.request.install_opener(opener) f = urllib.request.urlopen('http://www.python.org/') � N)�URLError� HTTPError�ContentTooShortError)�urlparse�urlsplit�urljoin�unwrap�quote�unquote� splittype� splithost� splitport� splituser� splitpasswd� splitattr� splitquery� splitvalue�splittag�to_bytes�unquote_to_bytes� urlunparse)� addinfourl� addclosehookFT�Request�OpenerDirector� BaseHandler�HTTPDefaultErrorHandler�HTTPRedirectHandler�HTTPCookieProcessor� ProxyHandler�HTTPPasswordMgr� HTTPPasswordMgrWithDefaultRealm� HTTPPasswordMgrWithPriorAuth�AbstractBasicAuthHandler�HTTPBasicAuthHandler�ProxyBasicAuthHandler�AbstractDigestAuthHandler�HTTPDigestAuthHandler�ProxyDigestAuthHandler� HTTPHandler� FileHandler� FTPHandler�CacheFTPHandler� DataHandler�UnknownHandler�HTTPErrorProcessor�urlopen�install_opener� build_opener� pathname2url� url2pathname� getproxies� urlretrieve� urlcleanup� URLopener�FancyURLopenerz%d.%d� )�cafile�capath� cadefault�contextc C s� |s |s |rfddl }|jdtd� |dk r2td��ts>td��tjtjj||d�}t |d�}t |�} n0|r~t |d�}t |�} nt dkr�t � a } nt } | j | ||�S ) a$ Open the URL url, which can be either a string or a Request object. *data* must be an object specifying additional data to be sent to the server, or None if no such data is needed. See Request for details. urllib.request module uses HTTP/1.1 and includes a "Connection:close" header in its HTTP requests. The optional *timeout* parameter specifies a timeout in seconds for blocking operations like the connection attempt (if not specified, the global default timeout setting will be used). This only works for HTTP, HTTPS and FTP connections. If *context* is specified, it must be a ssl.SSLContext instance describing the various SSL options. See HTTPSConnection for more details. The optional *cafile* and *capath* parameters specify a set of trusted CA certificates for HTTPS requests. cafile should point to a single file containing a bundle of CA certificates, whereas capath should point to a directory of hashed certificate files. More information can be found in ssl.SSLContext.load_verify_locations(). The *cadefault* parameter is ignored. This function always returns an object which can work as a context manager and has methods such as * geturl() - return the URL of the resource retrieved, commonly used to determine if a redirect was followed * info() - return the meta-information of the page, such as headers, in the form of an email.message_from_string() instance (see Quick Reference to HTTP Headers) * getcode() - return the HTTP status code of the response. Raises URLError on errors. For HTTP and HTTPS URLs, this function returns a http.client.HTTPResponse object slightly modified. In addition to the three new methods above, the msg attribute contains the same information as the reason attribute --- the reason phrase returned by the server --- instead of the response headers as it is specified in the documentation for HTTPResponse. For FTP, file, and data URLs and requests explicitly handled by legacy URLopener and FancyURLopener classes, this function returns a urllib.response.addinfourl object. 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rq � auth_headerr� r� rG rJ )r� rv r� r( r �pw�raw�authrL rL rM rI � s z.AbstractBasicAuthHandler.retry_http_basic_authc C sx t | jd� s | jj|j� r"|S |jd�st| jjd |j�\}}dj||�j� }tj |�j � }|j ddj|j � �� |S )Nr< � Authorizationz{0}:{1}zBasic {}) r� r" r< rp r� r. r� r r Zstandard_b64encoder! r� �strip)r� r� r r" Z credentialsZauth_strrL rL rM � http_request s z%AbstractBasicAuthHandler.http_requestc C sL t | jd�rHd|j ko dk n r8| jj|jd� n| jj|jd� |S )Nr< r� i, TF)r� r" r� r; rp )r� r� r� rL rL rM r� s z&AbstractBasicAuthHandler.http_response)N)r� r� r� �re�compile�IrA r� rG rK rI rR r� � https_requestr� rL rL rL rM r# � s c @ s e Zd ZdZdd� ZdS )r$ rP c C s |j }| jd|||�}|S )Nzwww-authenticate)rp rK )r� r� rd r� r� re rH r� rL rL rM �http_error_401 s z#HTTPBasicAuthHandler.http_error_401N)r� r� r� rL rW rL rL rL rM r$ s c @ s e Zd ZdZdd� ZdS )r% zProxy-authorizationc C s |j }| jd|||�}|S )Nzproxy-authenticate)rv rK )r� r� rd r� r� re r r� rL rL rM �http_error_407+ s z$ProxyBasicAuthHandler.http_error_407N)r� r� r� rL rX rL rL rL rM r% ' s c @ sN e Zd Zddd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dS )r& Nc C s4 |d krt � }|| _| jj| _d| _d| _d | _d S )Nr )r r" r* �retried� nonce_count� last_nonce)r� r" rL rL rM r� E s z"AbstractDigestAuthHandler.__init__c C s d| _ d S )Nr )rY )r� rL rL rM �reset_retry_countN s z+AbstractDigestAuthHandler.reset_retry_countc C s| |j |d �}| jdkr*t|jdd|d ��n| jd7 _|rx|j� d }|j� dkr`| j||�S |j� dkrxtd| ��d S ) N� i� zdigest auth failedrR r ZdigestrH zEAbstractDigestAuthHandler does not support the following scheme: '%s')r� rY r rp rE rt �retry_http_digest_authrB )r� rL rv r� re rJ r rL rL rM rK Q s z/AbstractDigestAuthHandler.http_error_auth_reqedc C sz |j dd�\}}ttd t|���}| j||�}|rvd| }|jj| jd �|krRd S |j| j|� | j j ||j d�}|S d S )Nr� rR z Digest %s)rJ ) rE �parse_keqv_list�filter�parse_http_list�get_authorizationre r� rL r� r� rG rJ )r� r� rO �tokenZ challenge�chalZauth_valZresprL rL rM r^ e s z0AbstractDigestAuthHandler.retry_http_digest_authc C s@ d| j |tj� f }|jd�td� }tj|�j� }|d d� S )Nz %s:%s:%s:r rQ � )rZ �timeZctimer � _randombytes�hashlib�sha1� hexdigest)r� �nonce�s�b�digrL rL rM � get_cnonceq s z$AbstractDigestAuthHandler.get_cnoncec C s� y6|d }|d }|j d�}|j dd�}|j dd �}W n tk rJ d S X | j|�\}} |d krfd S | jj||j�\} } | d kr�d S |jd k r�| j|j|�} nd } d| || f } d|j� |j f }|d k�r.|| j kr�| j d 7 _ n d | _ || _ d | j }| j |�}d ||||||�f }| || �|�}n2|d k�rT| || �d|||�f �}n t d | ��d| |||j |f }|�r�|d| 7 }| �r�|d| 7 }|d| 7 }|�r�|d||f 7 }|S )Nr( rk �qop� algorithm�MD5�opaquez%s:%s:%sz%s:%srO rR z%08xz%s:%s:%s:%s:%szqop '%s' is not supported.z>username="%s", realm="%s", nonce="%s", uri="%s", response="%s"z , opaque="%s"z , digest="%s"z, algorithm="%s"z , qop=auth, nc=%s, cnonce="%s")r� �KeyError�get_algorithm_implsr" r. rp rI �get_entity_digestr� r� r[ rZ ro r )r� r� rd r( rk rp rq rs �H�KDr rM ZentdigZA1ZA2ZncvalueZcnonceZnoncebitZrespdigr4 rL rL rM rb | sV z+AbstractDigestAuthHandler.get_authorizationc sD |dkrdd� � n |dkr$dd� � n t d| ��� fdd�}� |fS )Nrr c S s t j| jd��j� S )Nr )rh Zmd5r rj )�xrL rL rM r � s z?AbstractDigestAuthHandler.get_algorithm_impls.<locals>.<lambda>ZSHAc S s t j| jd��j� S )Nr )rh ri r rj )ry rL rL rM r � s z.Unsupported digest authentication algorithm %rc s � d| |f �S )Nz%s:%srL )rl �d)rw rL rM r � s )rB )r� rq rx rL )rw rM ru � s z-AbstractDigestAuthHandler.get_algorithm_implsc C s d S )NrL )r� rI rd rL rL rM rv � s z+AbstractDigestAuthHandler.get_entity_digest)N) r� r� r� r� r\ rK r^ ro rb ru rv rL rL rL rM r& : s < c @ s e Zd ZdZdZdZdd� ZdS )r' z�An authentication protocol defined by RFC 2069 Digest authentication improves on basic authentication because it does not transmit passwords in the clear. rP i� c C s* t |j�d }| jd|||�}| j� |S )NrR zwww-authenticate)r rp rK r\ )r� r� rd r� r� re rv �retryrL rL rM rW � s z$HTTPDigestAuthHandler.http_error_401N)r� r� r� r� rL r� rW rL rL rL rM r' � s c @ s e Zd ZdZdZdd� ZdS )r( zProxy-Authorizationi� c C s" |j }| jd|||�}| j� |S )Nzproxy-authenticate)rv rK r\ )r� r� rd r� r� re rv r{ rL rL rM rX � s z%ProxyDigestAuthHandler.http_error_407N)r� r� r� rL r� rX rL rL rL rM r( � s c @ s6 e Zd Zd dd�Zdd� Zdd� Zdd � Zd d � Zd S )�AbstractHTTPHandlerr c C s || _ d S )N)� _debuglevel)r� � debuglevelrL rL rM r� � s z AbstractHTTPHandler.__init__c C s || _ d S )N)r} )r� �levelrL rL rM �set_http_debuglevel� s z'AbstractHTTPHandler.set_http_debuglevelc C s t jjj|j|j� �S )N)r� r� �HTTPConnection�_get_content_lengthrI r� )r� ru rL rL rM r� � s z'AbstractHTTPHandler._get_content_lengthc C s |j }|std��|jd k r�|j}t|t�r8d}t|��|jd�sN|jdd� |jd� r�|jd� r�| j|�}|d k r�|jdt|�� n |jdd� |}|j � r�t |j �\}}t |�\}} |jd�s�|jd|� x2| j jD ]&\} } | j� } |j| �s�|j| | � q�W |S ) Nz no host givenz\POST data should be bytes, an iterable of bytes, or a file object. 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Derived class can override this, or provide specific handlers named http_error_DDD where DDD is the 3-digit error code.z http_error_%dN)r� r� r� ) r� rH rd �errcode�errmsgre rI r[ r rg rL rL rM r� � s zURLopener.http_errorc C s |j � t||||d��dS )z>Default error handler: close the connection and raise OSError.N)r� r )r� rH rd r� r� re rL rL rM r� � s z URLopener.http_error_defaultc C s t jj|| j| jd�S )N)r� r� )r� r� r� r� r� )r� rv rL rL rM �_https_connection� s zURLopener._https_connectionc C s | j | j||�S )zUse HTTPS protocol.)r� r� )r� rH rI rL rL rM � open_https� s zURLopener.open_httpsc C s^ t |t�std��|dd� dkrP|dd� dkrP|dd� j� dkrPtd ��n | j|�S dS ) z/Use local file or FTP depending on form of URL.zEfile error: proxy support for file protocol currently not implementedNr: z//r@ r� � z localhost/z-file:// scheme is supported only on localhost)r� r� r rt rB r� )r� rH rL rL rM � open_file� s 4 zURLopener.open_filec C s\ ddl }ddl}t|�\}}t|�}ytj|�}W n0 tk rb } zt|j|j ��W Y dd}~X nX |j } |j j |j dd�} |j|�d } |jd| p�d| | f �} |s�|} |dd� dkr�d | } tt|d �| | �S t|�\}}| o�tj|�t� ft� k�rP|} |dd� dk�r d | } n |dd � d k�r>td | ��tt|d �| | �S td��dS )zUse local file.r NT)r� z6Content-Type: %s Content-Length: %d Last-modified: %s z text/plainrR r� zfile://r� r: z./zAlocal file url may start with / or file:. Unknown url of type: %sz#local file error: not on local host)r� r� r r4 rW r� rm r �strerrorrb r� r� r� r� r� r� r rG r r� r� r� �thishostrB )r� rH r� r� rv rN Z localnamer� �eri r� r� re Zurlfiler1 rL rL rM r� � s: zURLopener.open_local_filec C s� t |t�std��ddl}t|�\}}|s2td��t|�\}}t|�\}}|r\t|�\}}nd}t|�}t|ppd�}t|p|d�}t j |�}|s�ddl }|j }nt |�}t|�\}} t|�}|jd�} | dd� | d } } | o�| d � r�| dd� } | �r| d �rd| d< |||dj| �f} t| j�tk�rlx8t| j�D ]*} | | k�r>| j| }| j| = |j� �q>W y�| | jk�r�t||||| �| j| < | �s�d}nd }x:| D ]2}t|�\}}|j� d k�r�|dk�r�|j� }�q�W | j| j| |�\}}|jd| �d }d}|�r|d| 7 }|dk �r:|dk�r:|d| 7 }t j |�}t ||d| �S t � k �r� } z td| �j t!j"� d ��W Y dd}~X nX dS )zUse FTP protocol.zCftp error: proxy support for ftp protocol currently not implementedr Nzftp error: no host givenrn r� rR r� rU r� r� r� r� rz zftp:zContent-Type: %s zContent-Length: %d z ftp error %rr: rS rS )r� r� r� rU rz r� )#r� r� r r� r r r r r r� r� r� r� r^ r rE r� r` r� � MAXFTPCACHEr� r� r� r rt r� r� r� r� r� r � ftperrorsr� r� r� )r� rH r� rv rX r1 r r" r� r� r� rN r� r� r� r� r� r� rd r� r� re r� rL rL rM �open_ftp� sp zURLopener.open_ftpc C s< t |t�std��y|jdd�\}}W n tk rD tdd��Y nX |sNd}|jd�}|dkr�d ||d � kr�||d d � }|d |� }nd }g }|jd tj d tj tj� �� � |jd| � |dkr�t j |j d��jd�}nt|�}|jdt|� � |jd � |j|� dj|�}tj|�}tj|�}t|||�S )zUse "data" URL.zEdata error: proxy support for data protocol currently not implementedr� rR z data errorz bad data URLztext/plain;charset=US-ASCII�;r r� Nrn zDate: %sz%a, %d %b %Y %H:%M:%S GMTzContent-type: %sr r zlatin-1zContent-Length: %d� )r� r� r rE rB rm �rfindr] rf ZstrftimeZgmtimer r� r r! r r` r� r� r� r� �StringIOr ) r� rH rI r� Zsemir r� re �frL rL rM � open_data3 s6 zURLopener.open_data)N)N)N)N)NNN)N)N)N)N)r� r� r� r� r� r� r� r� r� r� r� r� rG r� r� r� r� r� r� r� rC r� r� r� r� r r rL rL rL rM r8 � s. $ B\ :c @ s� e Zd ZdZdd� Zdd� Zd#dd�Zd d � Zd$d d �Zd%d d�Z d&dd�Z d'dd�Z d(dd�Z d)dd�Z d*dd�Zd+dd�Zd,d d �Zd-d d �Zd!d"� ZdS ).r9 z?Derived class with handlers for errors we can handle (perhaps).c O s( t j| f|�|� i | _d| _d| _d S )Nr r� )r8 r� � auth_cache�tries�maxtries)r� r� r9 rL rL rM r� ` s zFancyURLopener.__init__c C s t ||d| |�S )z3Default error handling -- don't raise an exception.zhttp:)r )r� rH rd r� r� re rL rL rM r� f s z!FancyURLopener.http_error_defaultNc C sn | j d7 _ zR| jrJ| j | jkrJt| d�r4| j}n| j}|||dd|�S | j||||||�}|S d| _ X dS )z%Error 302 -- relocated (temporarily).rR �http_error_500i� z)Internal Server Error: Redirect RecursionNr )r r r� r r� �redirect_internal) r� rH rd r� r� re rI r� rg rL rL rM r j s z FancyURLopener.http_error_302c C sx d|kr|d }nd|kr$|d }nd S |j � t| jd | |�}t|�}|jd krnt|||d| ||��| j|�S ) Nr� r� r� r� r� r� rn z( Redirection to url '%s' is not allowed.)r� r� r� rn )r� r r� r r r rG ) r� rH rd r� r� re rI r� r rL rL rM r | s z FancyURLopener.redirect_internalc C s | j ||||||�S )z*Error 301 -- also relocated (permanently).)r )r� rH rd r� r� re rI rL rL rM r � s z FancyURLopener.http_error_301c C s | j ||||||�S )z;Error 303 -- also relocated (essentially identical to 302).)r )r� rH rd r� r� re rI rL rL rM r � s z FancyURLopener.http_error_303c C s2 |dkr | j ||||||�S | j|||||�S dS )z1Error 307 -- relocated, but turn POST into error.N)r r� )r� rH rd r� r� re rI rL rL rM r � s z FancyURLopener.http_error_307Fc C s� d|kr t j| |||||� |d }tjd|�} | sHt j| |||||� | j� \} } | j� dkrtt j| |||||� |s�t j| |||||� d| j d } |dkr�t| | �|| �S t| | �|| |�S dS )z_Error 401 -- authentication required. This function supports Basic authentication only.zwww-authenticatez![ ]*([^ ]+)[ ]+realm="([^"]*)"rH Zretry_� _basic_authN)r8 r� rS �matchrC rt r� r� ) r� rH rd r� r� re rI r{ �stuffr r r( r[ rL rL rM rW � s& z FancyURLopener.http_error_401c C s� d|kr t j| |||||� |d }tjd|�} | sHt j| |||||� | j� \} } | j� dkrtt j| |||||� |s�t j| |||||� d| j d } |dkr�t| | �|| �S t| | �|| |�S dS )zeError 407 -- proxy authentication required. This function supports Basic authentication only.zproxy-authenticatez![ ]*([^ ]+)[ ]+realm="([^"]*)"rH Z retry_proxy_r N)r8 r� rS r rC rt r� r� ) r� rH rd r� r� re rI r{ r r r r( r[ rL rL rM rX � s& z FancyURLopener.http_error_407c C s� t |�\}}d| | }| jd }t|�\}} t | �\} } | jd�d } | | d � } | j| || �\} } | pl| srd S dt| dd�t| dd�| f } d| | | jd< |d kr�| j|�S | j||�S d S )Nzhttp://r� �@rR z%s:%s@%srn )r )r r r r� �get_user_passwdr rG )r� rH r( rI rv r� r� r r� r� � proxyselectorr� r r" rL rL rM �retry_proxy_http_basic_auth� s z*FancyURLopener.retry_proxy_http_basic_authc C s� t |�\}}d| | }| jd }t|�\}} t | �\} } | jd�d } | | d � } | j| || �\} } | pl| srd S dt| dd�t| dd�| f } d| | | jd< |d kr�| j|�S | j||�S d S )Nzhttps://r� r rR z%s:%s@%srn )r )r r r r� r r rG )r� rH r( rI rv r� r� r r� r� r r� r r" rL rL rM � retry_proxy_https_basic_auth� s z+FancyURLopener.retry_proxy_https_basic_authc C s� t |�\}}|jd�d }||d � }| j|||�\}}|p>|sDd S dt|dd�t|dd�|f }d| | } |d kr�| j| �S | j| |�S d S )Nr rR z%s:%s@%srn )r zhttp://)r r� r r rG ) r� rH r( rI rv r� r� r r" r� rL rL rM rI � s z$FancyURLopener.retry_http_basic_authc C s� t |�\}}|jd�d }||d � }| j|||�\}}|p>|sDd S dt|dd�t|dd�|f }d| | } |d kr�| j| �S | j| |�S d S )Nr rR z%s:%s@%srn )r zhttps://)r r� r r rG ) r� rH r( rI rv r� r� r r" r� rL rL rM �retry_https_basic_auth s z%FancyURLopener.retry_https_basic_authr c C s` |d |j � }|| jkr2|r(| j|= n | j| S | j||�\}}|sJ|rX||f| j|< ||fS )Nr )rt r �prompt_user_passwd)r� rv r( r� r� r r" rL rL rM r s z FancyURLopener.get_user_passwdc C sT ddl }y,td||f �}|j d|||f �}||fS tk rN t� dS X dS )z#Override this in a GUI environment!r Nz Enter username for %s at %s: z#Enter password for %s in %s at %s: )NN)�getpass�input�KeyboardInterrupt�print)r� rv r( r r r" rL rL rM r $ s z!FancyURLopener.prompt_user_passwd)N)N)N)N)NF)NF)N)N)N)N)r )r� r� r� r� r� r� r r r r r rW rX r r rI r r r rL rL rL rM r9 ] s$ c C s t dkrtjd�a t S )z8Return the IP address of the magic hostname 'localhost'.Nr� )� _localhostr� r� rL rL rL rM r� 4 s r� c C sP t dkrLyttjtj� �d �a W n( tjk rJ ttjd�d �a Y nX t S )z,Return the IP addresses of the current host.Nr: r� )� _thishostr' r� r� r� r� rL rL rL rM r < s r c C s t dkrddl} | ja t S )z1Return the set of errors raised by the FTP class.Nr )� _ftperrorsr� r� )r� rL rL rM r G s r c C s t dkrtjd�a t S )z%Return an empty email Message object.Nrn )� _noheadersr� r� rL rL rL rM � noheadersP s r" c @ sJ e Zd ZdZddd�Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dS )r� z;Class used by open_ftp() for cache of open FTP connections.NTc C sX || _ || _|| _|| _|| _|| _d| _|| _y | j� W n | j � � Y nX d S )Nr ) r r" rv r1 r� rJ �refcount� keepalive�initr� )r� r r" rv r1 r� rJ r� rL rL rM r� ] s zftpwrapper.__init__c C s\ dd l }d| _|j� | _| jj| j| j| j� | jj| j | j � dj | j �}| jj |� d S )Nr r� )r� �busyZFTPr� Zconnectrv r1 rJ Zloginr r" r� r� �cwd)r� r� Z_targetrL rL rM r% m s zftpwrapper.initc - C s� dd l }| j� |dkr"d}d}n d| }d}y| jj|� W n* |jk rh | j� | jj|� Y nX d }|r�| r�y d| }| jj|�\}}W nR |jk r� } z4t|�d d� d kr�t d | �j t j � d ��W Y d d }~X nX |�s�| jjd� |�rn| jj � } zJy| jj|� W n4 |jk �rP } zt d | �|�W Y d d }~X nX W d | jj| � X d | }nd }| jj|�\}}d| _t|jd�| j�} | jd7 _|j� | |fS )Nr rz r� zTYPE ArR zTYPE zRETR r@ Z550z ftp error: %rr: zLIST ZLISTr� )rz r� )r� � endtransferr� Zvoidcmdr� r% Z ntransfercmdZ error_permr� r r� r� r� �pwdr' r& r �makefile� file_closer# r� ) r� rN r� r� �cmd�isdirr� r� r� r) ZftpobjrL rL rM r� v sN $ zftpwrapper.retrfilec C s d| _ d S )Nr )r& )r� rL rL rM r( � s zftpwrapper.endtransferc C s d| _ | jdkr| j� d S )NFr )r$ r# � real_close)r� rL rL rM r� � s zftpwrapper.closec C s4 | j � | jd8 _| jdkr0| j r0| j� d S )NrR r )r( r# r$ r. )r� rL rL rM r+ � s zftpwrapper.file_closec C s2 | j � y| jj� W n t� k r, Y nX d S )N)r( r� r� r )r� rL rL rM r. � s zftpwrapper.real_close)NT) r� r� r� r� r� r% r� r( r� r+ r. rL rL rL rM r� Z s -r� c C s� i } xBt jj� D ]4\}}|j� }|r|dd� dkr|| |dd� < qW dt jkr^| jdd� xXt jj� D ]J\}}|dd� dkrj|j� }|r�|| |dd � < qj| j|dd � d� qjW | S ) a Return a dictionary of scheme -> proxy server URL mappings. Scan the environment for variables named <scheme>_proxy; this seems to be the standard convention. If you need a different way, you can pass a proxies dictionary to the [Fancy]URLopener constructor. � N�_proxyZREQUEST_METHODr� i����i����i����i����i����)rW �environr{ rt r� )r r[ r� rL rL rM �getproxies_environment� s r2 c C s� |dkrt � }y |d }W n tk r. dS X |dkr<dS t| �\}}dd� |jd�D �}xP|D ]H}|rb|jd �}tj|�}d | }tj||tj�s�tj|| tj�rbdS qbW dS ) z�Test if proxies should not be used for a particular host. Checks the proxy dict for the value of no_proxy, which should be a list of comma separated DNS suffixes, or '*' for all hosts. N�nor �*rR c S s g | ] }|j � �qS rL )rQ )r� r rL rL rM r& � s z,proxy_bypass_environment.<locals>.<listcomp>r� �.z (.+\.)?%s$) r2 rt r rE �lstriprS r� r rU )rv r Zno_proxy�hostonlyr1 Z no_proxy_listr[ �patternrL rL rM �proxy_bypass_environment� s& r9 c C s ddl m } t| �\}}dd� }d| kr4|d r4dS d}x�|jd f �D ]�}|sPqFtjd |�}|dk �r|dkr�ytj|�}||�}W n tk r� wFY nX ||jd ��} |jd �} | dkr�d |jd �j d�d } nt | d d� �} d| } || ? | | ? k�rdS qF|| |�rFdS qFW dS )aj Return True iff this host shouldn't be accessed using a proxy This function uses the MacOSX framework SystemConfiguration to fetch the proxy information. proxy_settings come from _scproxy._get_proxy_settings or get mocked ie: { 'exclude_simple': bool, 'exceptions': ['foo.bar', '*.bar.com', '127.0.0.1', '10.1', '10.0/16'] } r )�fnmatchc S sh | j d�}ttt|��}t|�dkr<|ddddg d d� }|d d> |d d> B |d d> B |d B S ) Nr5 r� r � rR re r: rQ r@ )rE r� r� r^ r` )ZipAddrr0 rL rL rM �ip2num s z,_proxy_bypass_macosx_sysconf.<locals>.ip2numr5 Zexclude_simpleTN� exceptionsz(\d+(?:\.\d+)*)(/\d+)?rR r: rQ � F) r: r r� rS r r� r� rm �group�countr^ ) rv �proxy_settingsr: r7 r1 r< ZhostIPr� r� r4 �maskrL rL rM � _proxy_bypass_macosx_sysconf� s: rC �darwin)�_get_proxy_settings� _get_proxiesc C s t � }t| |�S )N)rE rC )rv rA rL rL rM �proxy_bypass_macosx_sysconf: s rG c C s t � S )z�Return a dictionary of scheme -> proxy server URL mappings. This function uses the MacOSX framework SystemConfiguration to fetch the proxy information. )rF rL rL rL rM �getproxies_macosx_sysconf> s rH c C s t � }|rt| |�S t| �S dS )z�Return True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or from the MacOSX framework SystemConfiguration. N)r2 r9 rG )rv r rL rL rM r H s r c C s t � p t� S )N)r2 rH rL rL rL rM r5 U s c C s i } y ddl }W n tk r$ | S X y�|j|jd�}|j|d�d }|r�t|j|d�d �}d|kr�x�|jd�D ]4}|jdd�\}}tjd |�s�d ||f }|| |< qrW n>|dd � d kr�|| d < n$d| | d < d| | d< d| | d< |j � W n t t t fk �r Y nX | S )zxReturn a dictionary of scheme -> proxy server URL mappings. Win32 uses the registry to store proxies. r Nz;Software\Microsoft\Windows\CurrentVersion\Internet Settings� ProxyEnableZ ProxyServerr� r rR z ^([^/:]+)://z%s://%sr] zhttp:r� z http://%sz https://%sr� zftp://%sr� ) �winreg� ImportError�OpenKey�HKEY_CURRENT_USER� QueryValueExr� rE rS r ZCloserm rB r� )r rJ �internetSettings� proxyEnableZ proxyServer�pr� ZaddressrL rL rM �getproxies_registryZ s8 rR c C s t � p t� S )z�Return a dictionary of scheme -> proxy server URL mappings. Returns settings gathered from the environment, if specified, or the registry. )r2 rR rL rL rL rM r5 � s c & C s~ y dd l }W n tk r dS X y6|j|jd�}|j|d�d }t|j|d�d �}W n tk rl dS X | sz| r~dS t| �\}}|g} y tj |�}||kr�| j |� W n tk r� Y nX y tj |�}||kr�| j |� W n tk � r� Y nX |j d�}xp|D ]h} | dk�r*d|k�r*dS | j dd �} | j d d �} | j d d�} x$| D ] } tj| | tj��rTdS �qTW �qW dS ) Nr z;Software\Microsoft\Windows\CurrentVersion\Internet SettingsrI Z ProxyOverrider z<local>r5 rR z\.r4 z.*�?)rJ rK rL rM rN r� rm r r� r� r] ZgetfqdnrE r� rS r rU ) rv rJ rO rP Z proxyOverrideZrawHostr1 ZaddrZfqdnr5 r� rL rL rM �proxy_bypass_registry� sR rT c C s t � }|rt| |�S t| �S dS )z�Return True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or the registry. N)r2 r9 rT )rv r rL rL rM r � s )NNN)N)r� r r� r� rh Z http.clientr� r� rW r2 rS r� r r� rf � collectionsrZ rT r? Z urllib.errorr r r Z urllib.parser r r r r r r r r r r r r r r r r r Zurllib.responser r rD rK rC �__all__� version_infor� rF r� r0 r1 r\ r6 r7 rT �ASCIIrr rw r r r2 r r/ r r r r r r! r" r# r$ r% �urandomrg r& r' r( r| r) r� r� rE r] r r. r_ ra r* r� r+ r, r- r r[ Z nturl2pathr4 r3 r� r8 r9 r r� r r r r r! r" r� r2 r9 rC �platformZ_scproxyrE rF rG rH r r5 rR rT rL rL rL rM �<module>D s� P T ?n $q *@ o v +3:5! A W _ #< - 2
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