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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. 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Return None if you can't but another Handler might. )�- �. �/ i3 )r� ZHEAD)r r r r� � z%20)rT z content-typec s" i | ] \}}|� � � vr||�qS rL )rx ��.0�k�v�ZCONTENT_HEADERSrL rM � <dictcomp>� s �z8HTTPRedirectHandler.redirect_request.<locals>.<dictcomp>T)ri r� r� )r� r rt �replaceri r r r� ) r� r� rh r� r� ri �newurl�mZ newheadersrL r rM r� � s �z$HTTPRedirectHandler.redirect_requestc C sH d|v r |d }n d|v r|d }nd S t |�}|jdvr)t||d||f ||��|js7|jr7t|�}d|d< t|�}t|dtj d�}t |j |�}| � ||||||�}|d u rYd S t |d �r�|j } |_| �|d �| jkstt| �| jkr�t|j || j| ||��ni } |_|_| �|d �d | |< |�� |�� | jj||jd �S ) N�location�uri�r� r� �ftprr z+%s - Redirection to url '%s' is not allowed�/r: z iso-8859-1)�encoding�safe� redirect_dictr rV �rJ )r �schemer r\ Znetlocr� r r �stringZ punctuationr rt r� r� r r� � max_repeatsrd �max_redirections�inf_msgrc r� r� rG rJ ) r� r� rh r� r� ri r �urlparts�newZvisitedrL rL rM �http_error_302� sH � � ��z"HTTPRedirectHandler.http_error_302zoThe HTTP server returned a redirect error that would lead to an infinite loop. The last 30x error message was: N) r� r� r� r r r� r �http_error_301�http_error_303�http_error_307r rL rL rL rM r � s & <r c C s� t | �\}}|�d�sd}| }n-|�d�std| ��d|v r+|�d�}|�d|�}n|�dd�}|dkr7d}|d|� }t|�\}}|durNt|�\}} nd }} ||| |fS )a Return (scheme, user, password, host/port) given a URL or an authority. If a URL is supplied, it must have an authority (host:port) component. 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� _randombytes�hashlib�sha1� hexdigest)r� �nonce�s�b�digrL rL rM � get_cnonceo s z$AbstractDigestAuthHandler.get_cnoncec C s� z|d }|d }|� d�}|� dd�}|� dd �}W n ty% Y d S w | �|�\}} |d u r3d S | j�||j�\} } | d u rCd S |jd urP| �|j|�} nd } d| || f } d|�� |j f }|d u rt| || �d|||�f �}n=d |� d �v r�|| j kr�| j d 7 _ nd | _ || _ d | j }| � |�}d |||d ||�f }| || �|�}ntd| ��d| |||j |f }|r�|d| 7 }| r�|d| 7 }|d| 7 }|r�|d||f 7 }|S )NrE r� �qop� algorithm�MD5�opaquez%s:%s:%sr4 rn �,rV 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= rL rt rI �get_entity_digestr� r� rd r� r� r� r )r� r� r� rE r� r� r� r� �H�KDr* rl ZentdigZA1ZA2ZrespdigZncvalueZcnonceZnoncebitrP rL rL rM r� z s^ � � �� z+AbstractDigestAuthHandler.get_authorizationc sD |dkr dd� � n|dkrdd� � nt d| ��� fdd�}� |fS )Nr� c S � t �| �d���� S �Nr5 )r� Zmd5r; r� ��xrL rL rM r1 � � z?AbstractDigestAuthHandler.get_algorithm_impls.<locals>.<lambda>ZSHAc S r� r� )r� r� r; r� r� rL rL rM r1 � r� z.Unsupported digest authentication algorithm %rc s � d| |f �S )Nr4 rL )r� �d�r� rL rM r1 � s )rB )r� r� r� rL r� rM r� � s � z-AbstractDigestAuthHandler.get_algorithm_implsc C r� rN rL )r� rI r� rL rL rM r� � r� z+AbstractDigestAuthHandler.get_entity_digestrN ) r� r� r� r� r� rj r� r� r� r� r� rL rL rL rM r& 8 s > r& 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. ro �� c C s* t |j�d }| �d|||�}| �� |S )NrV rx )r rt rj r� �r� r� rh r� r� ri rz �retryrL rL rM ry � s �z$HTTPDigestAuthHandler.http_error_401N)r� r� r� r� rk r� ry rL rL rL rM r' � s r' c @ s e Zd ZdZdZdd� ZdS )r( �Proxy-Authorizationr� c C s" |j }| �d|||�}| �� |S r{ )rz rj r� r� rL rL rM r} � s �z%ProxyDigestAuthHandler.http_error_407N)r� r� r� rk r� r} rL rL rL rM r( � s r( c @ s6 e Zd Zd dd�Zdd� Zdd� Zdd � Zd d � Zd S )�AbstractHTTPHandlerr c C r� rN �� _debuglevel)r� � debuglevelrL rL rM r� � r� z AbstractHTTPHandler.__init__c C r� rN r� )r� �levelrL rL rM �set_http_debuglevel� r� z'AbstractHTTPHandler.set_http_debuglevelc C s t jj�|j|�� �S rN )r� r� �HTTPConnection�_get_content_lengthrI r� �r� ry rL rL rM r� � s �z'AbstractHTTPHandler._get_content_lengthc C s |j }|s td��|jd urI|j}t|t�r d}t|��|�d�s'|�dd� |�d�sI|�d�sI| �|�}|d urC|�dt|�� n|�dd� |}|� � r\t |j �\}}t |�\}} |�d�sg|�d|� | j jD ]\} } | �� } |�| �s~|�| | � qk|S ) N� no host givenz\POST data should be bytes, an iterable of bytes, or a file object. 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In particular, parse comma-separated lists where the elements of the list may include quoted-strings. A quoted-string could contain a comma. A non-quoted string could have quotes in the middle. Neither commas nor quotes count if they are escaped. Only double-quotes count, not single-quotes. rr F�\Tr] r� c S s g | ]}|� � �qS rL )rp )r �partrL rL rM � <listcomp>� r� z#parse_http_list.<locals>.<listcomp>)ra )r� �resr� �escaper ZcurrL rL rM r� � s4 r� c @ s( e Zd Zdd� ZdZdd� Zdd� ZdS )r* c C sZ |j }|d d� dkr(|dd� dkr(|jr(|jdkr(|j| �� vr&td��d S | �|�S )Nr: r$ r_ r � localhost�-file:// scheme is supported only on localhost)r� rz � get_namesr �open_local_file)r� r� rH rL rL rM � file_open� s & � zFileHandler.file_openNc C sf t jd u r0ztt�d�d t�t�� �d �t _W t jS tjy/ t�d�ft _Y t jS w t jS )Nr� r: )r* �namesrD r� �gethostbyname_ex� gethostname�gaierror� gethostbynamer� rL rL rM r� � s ����zFileHandler.get_namesc C s� dd l }dd l}|j}|j}t|�}zYt�|�}|j}|jj |j dd�} |� |�d } |� d| p1d|| f �} |r?t |�\}} |rK| sbt|�| �� v rg|rTd| | } nd| } tt|d�| | �W S W td��W td�� ty{ } zt|��d }~ww ) Nr T�Zusegmtz6Content-type: %s Content-length: %d Last-modified: %s � text/plain�file://�rbzfile not on local host)� email.utils� mimetypesrz r� r4 r[ �stat�st_size�utils� formatdate�st_mtime� guess_type�message_from_stringr �_safe_gethostbynamer� r rG rq r )r� r� �emailr� rz rf Z localfile�statsrm �modified�mtyperi rO Zorigurl�exprL rL rM r� � sB �� �� ����zFileHandler.open_local_file)r� r� r� r� r� r� r� rL rL rL rM r* � s r* c C s$ zt �| �W S t jy Y d S w rN )r� r� r� )rz rL rL rM r� � s �r� c @ s e Zd Zdd� Zdd� ZdS )r+ c C s� dd l }dd l}|j}|std��t|�\}}|d u r |j}nt|�}t|�\}}|r2t|�\}}nd }t |�}|p;d}|p?d}zt � |�}W n t yW } zt|��d }~ww t |j�\} } | �d�} ttt | ��} | d d� | d } } | r�| d s�| dd � } z_| �||||| |j�} | r�dp�d}| D ]}t|�\}}|�� d kr�|d v r�|�� }q�| �| |�\}}d}|�|j�d }|r�|d | 7 }|d ur�|dkr�|d | 7 }t�|�}t |||j�W S |j y� } zt|�|�d }~ww ) Nr �ftp error: no host givenrr r rS rV rt �Dr� ��a�Ar� rt r� r� zContent-type: %s zContent-length: %d ) �ftplibr� rz r r �FTP_PORTrb r r r r� r� rq r r� rd r� �map� connect_ftprJ r rx �upper�retrfiler� rt r� r� r � all_errors)r� r� r� r� rz rO r* r= r� r\ �attrs�dirsrO �fwr� �attrr� rh �retrlenri r� r� rL rL rM �ftp_open� sd �� � ��zFTPHandler.ftp_openc C s t ||||||dd�S )NF)� persistent)� ftpwrapper)r� r* r= rz rO r� rJ rL rL rM r� 0 s �zFTPHandler.connect_ftpN)r� r� r� r r� rL rL rL rM r+ � s 4r+ c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )r, c C s" i | _ i | _d| _d| _d| _d S )Nr �< r� )�cacherJ �soonest�delay� max_connsr� rL rL rM r� 7 s zCacheFTPHandler.__init__c C r� rN )r )r� �trL rL rM � setTimeout> r� zCacheFTPHandler.setTimeoutc C r� rN )r )r� r rL rL rM � setMaxConnsA r� zCacheFTPHandler.setMaxConnsc C sr |||d� |�|f}|| jv rt�� | j | j|< nt||||||�| j|< t�� | j | j|< | �� | j| S )Nr )�joinr r� r rJ r � check_cache)r� r* r= rz rO r� rJ r� rL rL rM r� D s � zCacheFTPHandler.connect_ftpc C s� t � � }| j|kr(t| j�� �D ]\}}||k r'| j| �� | j|= | j|= qtt| j�� ��| _t | j�| j krat| j�� �D ]\}}|| jkrT| j|= | j|= nqAtt| j�� ��| _d S d S rN ) r� r r� rJ r r r� �min�valuesrd r )r� r r r rL rL rM r O s$ � ��zCacheFTPHandler.check_cachec C s0 | j �� D ]}|�� q| j �� | j�� d S rN )r r r� �clearrJ )r� �connrL rL rM � clear_cachec s zCacheFTPHandler.clear_cacheN) r� r� r� r� r r r� r r rL rL rL rM r, 4 s r, c @ r� )r- c C s� |j }|�dd�\}}|�dd�\}}t�d|�r td��t|�}|�d�r1t�|�}|d d� }|s5d}t � d |t |�f �}t t �|�||�S ) N�:rV r� z[\x00-\x1F\x7F]z1Control characters not allowed in data: mediatypez;base64i�����text/plain;charset=US-ASCIIz$Content-type: %s Content-length: %d )rt rd rr �searchrB r �endswithr9 � decodebytesr� r� rd r �io�BytesIO)r� r� rH r rI Z mediatyperi rL rL rM � data_openj s" � �zDataHandler.data_openN)r� r� r� r rL rL rL rM r- i r r- r �nt)r4 r3 c C � t | �S )zOS-specific conversion from a relative URL of the 'file' scheme to a file system path; not recommended for general use.)r ��pathnamerL rL rM r4 � � r4 c C r )zOS-specific conversion from a file system path to a relative URL of the 'file' scheme; not recommended for general use.)r r rL rL rM r3 � r r3 c @ s� e Zd ZdZdZde Zd*dd�Zdd� Zdd � Z d d � Z d d � Z d*dd�Z d*dd�Z d*dd�Zd+dd�Zdd� Zd*dd�Zd*dd�Zd d � ZerRd d � Zd*d d!�Zd"d#� Zd$d%� Zd&d'� Zd*d(d)�ZdS ),r8 a, Class to open URLs. 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Use newer urlopen functions/methods�classr_ )� stacklevelr. r/ �key_file� cert_filez User-Agent)ZAcceptz*/*)rX r� r? r@ rA r5 r� r2 r� r! r" �versionr� �_URLopener__tempfilesr[ rp �_URLopener__unlink� tempcache�ftpcache)r� r2 Zx509r� rL rL rM r� � s � zURLopener.__init__c C � | � � d S rN )r� r� rL rL rM �__del__� r� zURLopener.__del__c C r( rN )�cleanupr� rL rL rM r� � r� zURLopener.closec C sV | j r | j D ]}z| �|� W q ty Y qw | j d d �= | jr)| j�� d S d S rN )r$ r% rq r& r )r� rO rL rL rM r* � s � �zURLopener.cleanupc G s | j �|� dS )zdAdd a header to be used by the HTTP interface only e.g. u.addheader('Accept', 'sound/basic')N)r� ra )r� r� rL rL rM � addheader� s zURLopener.addheaderc C sR t t|��}t|dd�}| jr&|| jv r&| j| \}}t|d�}t|||�S t|�\}}|s0d}|| jv rK| j| }t|�\}} t| �\} } | |f}nd}d| } || _ | � dd�} t | | �rc| d krr|rl| � |||�S | � ||�S z|du rt| | �|�W S t| | �||�W S ttfy� � ty� } z td | ��t�� d ��d} ~ ww ) z6Use URLopener().open(file) instead of open(file, 'r').z%/:=&?~#+!$,;'@()*[]|�r r� rO NZopen_�-r� r� z socket errorr: )r r r r& rG r r r2 r r� r r� �open_unknown_proxy� open_unknownr� r r rq �with_tracebackr� �exc_info)r� r� rI rf ri rh �urltyperH r& � proxyhostrz r� r_ r� rL rL rM rG � s@ ��zURLopener.openc C s t |�\}}tdd|��)�/Overridable interface to open unknown URL type.� url errorzunknown url type�r rq )r� r� rI r� rH rL rL rM r/ s zURLopener.open_unknownc C s t |�\}}tdd| |��)r4 r5 zinvalid proxy for %sr6 )r� r& r� rI r� rH rL rL rM r. s z URLopener.open_unknown_proxyc C s t t|��}| jr|| jv r| j| S t|�\}}|du rE|r#|dkrEz| �|�}|�� }|�� tt|�d �|fW S t yD Y nw | � ||�}z�|�� } |rXt |d�} n9t|�\} } t| pbd�\} } t | pjd�\} } t | prd�\} } t j�| �d } t�| �\}}| j�|� t �|d�} zO|| f}| jdur�|| j|< d}d}d}d}d | v r�t| d �}|r�||||� |�|�}|s�n|t|�7 }| �|� |d7 }|r�||||� q�W | �� n| �� w W |�� n|�� w |dk�r||k �rtd ||f |��|S ) ztretrieve(url) returns (filename, headers) for a local object or (tempfilename, headers) for a remote object.NrO rV rP rr rR rS r rT rU rW )r r r& r r� rZ r� r4 r rq rG r r r[ r\ �splitextr^ Zmkstempr$ ra �fdopenrb rc rd re r )r� rH rf rg rI r� Zurl1rh r� ri rj Zgarbager\ �suffix�fdrk rl rm rc rn ro rL rL rM �retrieve sv � ���zURLopener.retrievec C s d}d}t |t�r t|�\}}|rt|�\}}t|�}|}n:|\}}t|�\}}t|�\} } | }d}| �� dkr;d}n t| �\}} |rIt|�\}}|rRd| || f }t|�rX|}|s_tdd��|rpt|�}t � |� � �� d�} nd} |r�t|�}t � |� � �� d�} nd} ||�} i }| r�d| |d< | r�d| |d < |r�||d < d |d < | j D ]\}}|||< q�|dur�d |d< | �d|||� n| jd||d� z| �� }W n tjjy� td��w d|j kr�dk r�n n t||jd| |j�S | �||j|j|j|j|�S )a� Make an HTTP connection using connection_class. This is an internal method that should be called from open_http() or open_https(). Arguments: - connection_factory should take a host name and return an HTTPConnection instance. - url is the url to retrieval or a host, relative-path pair. - data is payload for a POST request or None. Nr� z %s://%s%sz http errorr� r5 zBasic %sr� ro rs r� r� r� z Content-Typer� r� r� z$http protocol error: bad status liner� r� �http:)r� r� r r r r rx r8 rq r9 r: r; r< r� ry r� r� r� Z BadStatusLiner Zstatusr r� � http_errorrh r� )r� Zconnection_factoryrH rI Z user_passwdZ proxy_passwdrz r� Zrealhostr2 r� Z proxy_authrn Z http_connri re r� r� rL rL rM �_open_generic_httpT sv ���z URLopener._open_generic_httpc C s | � tjj||�S )zUse HTTP protocol.)r> r� r� r� �r� rH rI rL rL rM � open_http� r� zURLopener.open_httpc C sb d| }t | |�r(t| |�}|du r||||||�} n |||||||�} | r(| S | �|||||�S )z�Handle http errors. Derived class can override this, or provide specific handlers named http_error_DDD where DDD is the 3-digit error code.z http_error_%dN)r� r� r� ) r� rH rh �errcode�errmsgri rI r_ r� rk rL rL rM r= � s zURLopener.http_errorc C s |� � t||||d��)z>Default error handler: close the connection and raise OSError.N)r� r �r� rH rh rA rB ri rL rL rM r� � s z URLopener.http_error_defaultc C s t jj|| j| jd�S )N)r! r" )r� r� r� r! r" )r� rz rL rL rM �_https_connection� s �zURLopener._https_connectionc C s | � | j||�S )zUse HTTPS protocol.)r> rD r? rL rL rM � open_https� s zURLopener.open_httpsc C sX t |t�s td��|dd� dkr'|dd� dkr'|dd� �� dkr'td ��| �|�S ) z/Use local file or FTP depending on form of URL.zEfile error: proxy support for file protocol currently not implementedNr: r$ r_ r � z localhost/r� )r� r� r rx rB r� r� rL rL rM � open_file� s 4 zURLopener.open_filec C sF ddl }ddl}t|�\}}t|�}zt�|�}W n ty, } zt|j|j ��d}~ww |j } |j j |j dd�} |�|�d } |�d| pFd| | f �} |se|} |dd� dkr\d | } tt|d �| | �S t|�\}}|s�t�|�t� ft� v r�|} |dd� dkr�d | } n|dd � d kr�td | ��tt|d �| | �S td��)zUse local file.r NTr� z6Content-Type: %s Content-Length: %d Last-modified: %s r� rV r r� 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 r[ r� rq r �strerrorrf r� r� r� r� r� r� r rG r r� r� r� �thishostrB )r� rH r� r� rz rO Z localnamer� �erm r� r� ri ZurlfilerO rL rL rM r� � sB �� �� zURLopener.open_local_filec C sh t |t�s td��ddl}t|�\}}|std��t|�\}}t|�\}}|r.t|�\}}nd}t|�}t|p8d�}t|p>d�}t � |�}|sOddl }|j }nt |�}t|�\}} t|�}|�d�} | dd� | d } } | ry| d sy| dd� } | r�| d s�d| d< |||d�| �f} t| j�tkr�t| j�D ]} | | kr�| j| }| j| = |�� q�zl| | jvr�t||||| �| j| < | s�d }nd }| D ]}t|�\}}|�� d kr�|d v r�|�� }q�| j| �| |�\}}|�d | �d }d}|r�|d| 7 }|du�r |dk�r |d| 7 }t � |�}t ||d | �W S t � �y3 } z td| �� t!�"� d ��d}~ww )zUse FTP protocol.zCftp error: proxy support for ftp protocol currently not implementedr Nr� rr r rS rV r� rt r� r� zftp:zContent-Type: %s zContent-Length: %d z ftp error %rr: )#r� r� r r� r r r r r r� r� r� r� rb r rd r rd r' � MAXFTPCACHEr� r� r r rx r� r� r� r� r� r � ftperrorsr0 r� r1 )r� rH r� rz r\ rO r* r= r� r� r� rO r� r r r� r� r� rh r� r� ri r� rL rL rM �open_ftp� sp � � � ��zURLopener.open_ftpc C s6 t |t�s td��z |�dd�\}}W n ty tdd��w |s$d}|�d�}|dkrDd ||d � vrD||d d � }|d |� }nd }g }|�d t� d t� t�� �� � |�d| � |dkrot � |� d���d�}nt|�}|�dt|� � |�d � |�|� d�|�}t�|�}t�|�}t|||�S )zUse "data" URL.zEdata error: proxy support for data protocol currently not implementedr� rV z data errorz bad data URLr �;r r� Nrr zDate: %sz%a, %d %b %Y %H:%M:%S GMTzContent-type: %sr9 r5 zlatin-1zContent-Length: %d� )r� r� r rd rB rq �rfindra r� �strftime�gmtimer9 r r; r< r rd r r� r� r �StringIOr ) r� rH rI r� Zsemir r� ri �frL rL rM � open_data6 s: � � zURLopener.open_datarN �NNN)r� r� r� r� r$ r� r# r� r) r� r* r+ rG r/ r. r; r> r@ r= r� rC rD rE rG r� rM rU rL rL rL rM r8 � s0 $ A \ :r8 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| g|�R i |�� i | _d| _d| _d S )Nr r )r8 r� � auth_cache�tries�maxtriesrU rL rL rM r� c s zFancyURLopener.__init__c C s t ||d| |�S )z3Default error handling -- don't raise an exception.r< )r rC rL rL rM r� i r� z!FancyURLopener.http_error_defaultNc C sz | j d7 _ z1| jr)| j | jkr)t| d�r| j}n| j}|||dd|�W d| _ S | �||||||�}|W d| _ S d| _ w )z%Error 302 -- relocated (temporarily).rV �http_error_500r� z)Internal Server Error: Redirect Recursionr )rX rY r� rZ r� �redirect_internal) r� rH rh rA rB ri rI r� rk rL rL rM r m s � ��z FancyURLopener.http_error_302c C sx d|v r |d }n d|v r|d }nd S |� � t| jd | |�}t|�}|jdvr7t|||d| ||��| �|�S )Nr r r r z( Redirection to url '%s' is not allowed.)r� r r� r r r rG ) r� rH rh rA rB ri rI r r rL rL rM r[ s �� z FancyURLopener.redirect_internalc C � | � ||||||�S )z*Error 301 -- also relocated (permanently).�r �r� rH rh rA rB ri rI rL rL rM r! � � z FancyURLopener.http_error_301c C r\ )z;Error 303 -- also relocated (essentially identical to 302).r] r^ rL rL rM r" � r_ z FancyURLopener.http_error_303c C s. |du r| � ||||||�S | �|||||�S )z1Error 307 -- relocated, but turn POST into error.N)r r� r^ rL rL rM r# � s z FancyURLopener.http_error_307Fc C �� d|vrt �| |||||� |d }t�d|�} | s$t �| |||||� | �� \} } | �� dkr:t �| |||||� |sFt �| |||||� d| j d } |du rYt| | �|| �S t| | �|| |�S )z_Error 401 -- authentication required. This function supports Basic authentication only.rx �![ ]*([^ ]+)[ ]+realm="([^"]*)"rg Zretry_� _basic_authN�r8 r� rr �matchrb rx r� r� � r� rH rh rA rB ri rI r� Zstuffrd r rE r_ rL rL rM ry � �. � � ��z FancyURLopener.http_error_401c C r` )zeError 407 -- proxy authentication required. This function supports Basic authentication only.r| ra rg Z retry_proxy_rb Nrc re rL rL rM r} � rf z FancyURLopener.http_error_407c C � t |�\}}d| | }| jd }t|�\}} t | �\} } | �d�d } | | d � } | �| || �\} } | s9| s9d S dt| dd�t| dd�| f } d| | | jd< |d u rZ| �|�S | �||�S )N�http://r� r% rV �%s:%s@%srr r, �r r2 r r� �get_user_passwdr rG �r� rH rE rI rz r� r r& r2 r3 Z proxyselectorr� r* r= rL rL rM �retry_proxy_http_basic_auth� � � z*FancyURLopener.retry_proxy_http_basic_authc C rg )N�https://r� r% rV ri rr r, rj rl rL rL rM � retry_proxy_https_basic_auth� rn z+FancyURLopener.retry_proxy_https_basic_authc C � t |�\}}|�d�d }||d � }| �|||�\}}|s"|s"d S dt|dd�t|dd�|f }d| | } |d u r@| �| �S | �| |�S )Nr% rV ri rr r, rh �r r� rk r rG � r� rH rE rI rz r� r� r* r= r rL rL rM rh � � z$FancyURLopener.retry_http_basic_authc C rq )Nr% rV ri rr r, ro rr rs rL rL rM �retry_https_basic_auth rt z%FancyURLopener.retry_https_basic_authr c C s` |d |� � }|| jv r|r| j|= n| j| S | �||�\}}|s%|r,||f| j|< ||fS )Nr% )rx rW �prompt_user_passwd)r� rz rE r r� r* r= rL rL rM rk s z FancyURLopener.get_user_passwdc C sR ddl }ztd||f �}|� d|||f �}||fW S ty( t� Y dS w )z#Override this in a GUI environment!r Nz Enter username for %s at %s: z#Enter password for %s in %s at %s: rH )�getpass�input�KeyboardInterrupt�print)r� rz rE rw r* r= rL rL rM rv ' s � �z!FancyURLopener.prompt_user_passwdrN )NFr� )r� r� r� r� r� r� r r[ r! r" r# ry r} rm rp rh ru rk rv rL rL rL rM r9 ` s* � � r9 c C � t du r t�d�a t S )z8Return the IP address of the magic hostname 'localhost'.Nr� )� _localhostr� r� rL rL rL rM r� 7 � r� c C sR t du r'ztt�t�� �d �a W t S tjy& tt�d�d �a Y t S w t S )z,Return the IP addresses of the current host.Nr: r� )� _thishostrD r� r� r� r� rL rL rL rM rI ? s ��rI c C s t du r ddl} | ja t S )z1Return the set of errors raised by the FTP class.Nr )� _ftperrorsr� r� )r� rL rL rM rL J s rL c C r{ )z%Return an empty email Message object.Nrr )� _noheadersr� r� rL rL rL rM � noheadersS r} r� c @ sN e Zd ZdZ ddd�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 sP || _ || _|| _|| _|| _|| _d| _|| _z| �� W d S | � � � r~ ) r* r= rz rO r� rJ �refcount� keepalive�initr� )r� r* r= rz rO r� rJ r rL rL rM r� ` s zftpwrapper.__init__c C s\ dd l }d| _|�� | _| j�| j| j| j� | j�| j | j � d� | j �}| j� |� d S )Nr r )r� �busyZFTPr Zconnectrz rO rJ Zloginr* r= r r� �cwd)r� r� Z_targetrL rL rM r� p s zftpwrapper.initc C s� dd l }| �� |dv rd}d}nd| }d}z| j�|� W n |jy3 | �� | j�|� Y nw d }|rs|sszd| }| j�|�\}}W n* |jyr } z t|�d d� dkrht d | �� t � � d ��W Y d }~nd }~ww |s�| j�d� |r�| j� � } z%z| j�|� W n |jy� } zt d | �|�d }~ww W | j�| � n| j�| � w d | }nd }| j�|�\}}d| _t|�d �| j�} | jd7 _|�� | |fS )Nr )r� r� zTYPE ArV zTYPE zRETR r_ Z550z ftp error: %rr: zLIST ZLISTr� )r� � endtransferr Zvoidcmdr� r� Z ntransfercmdZ error_permr� r r0 r� r1 �pwdr� r� r Zmakefile� file_closer� r� ) r� rO r� r� �cmd�isdirr r� r� r� ZftpobjrL rL rM r� y sX � � ��� ��� zftpwrapper.retrfilec C r� r~ )r� r� rL rL rM r� � r� zftpwrapper.endtransferc C s d| _ | jdkr| �� d S d S )NFr )r� r� � real_closer� rL rL rM r� � s �zftpwrapper.closec C s: | � � | jd8 _| jdkr| js| �� d S d S d S )NrV r )r� r� r� r� r� rL rL rM r� � s �zftpwrapper.file_closec C s0 | � � z| j�� W d S t� y Y d S w rN )r� r r� rL 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 ] s � - r c C s� i } g }t j�� D ]3}t|�dkr<|d dkr<|dd� �� dkr<t j| }|dd� �� }|�|||f� |r<|| |< q dt jv rH| �dd� |D ]\}}}|dd� d krd|r^|| |< qJ| �|d� qJ| 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. r� i����r� ���Nr& ZREQUEST_METHODr� �_proxy)r[ �environr. rd rx ra r� )r2 Z environmentr_ r� Z proxy_namerL rL rM �getproxies_environment� s& , � �r� c C s� |du rt � }z|d }W n ty Y dS w |dkr dS | �� } t| �\}}|�d�D ]-}|�� }|rZ|�d�}|�� }||ksF| |krI dS d| }|�|�sW| �|�rZ dS q-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. NZnoF�*Tr� �.)r� r� rx r rd rp �lstripr )rz r2 Zno_proxy�hostonlyrO r_ rL rL rM �proxy_bypass_environment� s. � �r� c C s0 ddl m } ddlm}m} t| �\}}dd� }d| vr"|d r"dS d }zt||��}W n |y5 Y nw |�d d �D ]Y} | sAq<t�d | �} | d ur�|d ur�|| � d ��} | � d�} | d u rld| � d �� d�d } nt| d d � �} | dk s|| dkr}q<d| } || ? | | ? kr� dS q<|| | �r� dS q<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 ��fnmatch)�AddressValueError� IPv4Addressc S sd | � d�}ttt|��}t|�dkr |g d� d d� }|d d> |d d> B |d d > B |d B S ) Nr� r )r r r r r � rV r� r: r� r_ )rd r� r� rb rd )ZipAddrrN rL rL rM �ip2num s ,z,_proxy_bypass_macosx_sysconf.<locals>.ip2numr� Zexclude_simpleTN� exceptionsrL z(\d+(?:\.\d+)*)(/\d+)?rV r: r� � F) r� Z ipaddressr� r� r rb r� rr rd �group�count) rz �proxy_settingsr� r� r� r� rO r� ZhostIPr� r rP �maskrL rL rM � _proxy_bypass_macosx_sysconf s@ � � �r� c C s` ddl m } t| �\} }|�d�}|D ]}|�� }|dkr%d| vr$ dS q|| |�r- dS qdS )a Return True if the host should bypass the proxy server. The proxy override list is obtained from the Windows Internet settings proxy override registry value. An example of a proxy override value is: "www.example.com;*.example.net; 192.168.0.1" r r� rN z<local>r� TF)r� r rd rp )rz �overrider� r� Zproxy_overriderQ rL rL rM � _proxy_bypass_winreg_overrideF s � �r� �darwin)�_get_proxy_settings� _get_proxiesc C s t � }t| |�S rN )r� r� )rz r� rL rL rM �proxy_bypass_macosx_sysconfa s r� 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. )r� rL rL rL rM �getproxies_macosx_sysconfe s r� c C � t � }|r t| |�S t| �S )z�Return True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or from the MacOSX framework SystemConfiguration. )r� r� r� �rz r2 rL rL rM r8 o � r8 c C � t � pt� S rN )r� r� rL rL rL rM r5 | r� r5 c C s8 i } zddl }W n ty | Y S w zz|�|jd�}|�|d�d }|r�t|�|d�d �}d|vr=d|vr=d�|�}|�d�D ]%}|�dd �\}}t� d |�sc|d v r[d | }n|d krcd| }|| |< qB| � d �r�t� dd| d �}| � d�p||| d< | � d�p�|| d< |� � W | S t ttfy� Y | S w )zxReturn a dictionary of scheme -> proxy server URL mappings. Win32 uses the registry to store proxies. r N�;Software\Microsoft\Windows\CurrentVersion\Internet Settings� ProxyEnableZ ProxyServerr� rN zhttp={0};https={0};ftp={0}rV z (?:[^/:]+)://)r� r� r rh Zsockszsocks://z ^socks://z socks4://r� r� )�winreg� ImportError�OpenKey�HKEY_CURRENT_USER� QueryValueExr� r� rd rr rd r� rw ZCloserq rB r� )r2 r� �internetSettings� proxyEnableZ proxyServer�pr� ZaddressrL rL rM �getproxies_registry� sR ������ ��r� c C r� )z�Return a dictionary of scheme -> proxy server URL mappings. Returns settings gathered from the environment, if specified, or the registry. )r� r� rL rL rL rM r5 � s c C s� zdd l }W n ty Y dS w z|�|jd�}|�|d�d }t|�|d�d �}W n ty6 Y dS w |r;|s=dS t| |�S )Nr Fr� r� Z ProxyOverride)r� r� r� r� r� r� rq r� )rz r� r� r� Z proxyOverriderL rL rM �proxy_bypass_registry� s2 ����� � � r� c C r� )z�Return True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or the registry. )r� r� r� r� rL rL rM r8 � r� rV rN )r� r9 r� r� r� Z http.clientr� r r[ � posixpathrr r� r r� r� r^ rX 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 r� rC �__all__� version_infor� rF r� r0 r1 r` r6 r7 rs �ASCIIrv r{ r r r2 r r/ r r r, r r r! r" r# r$ r% �urandomr� r& r' r( r� r) r� r� rE ra r r. r� r� r* r� r+ r, r- rK r_ Z nturl2pathr4 r3 r' r8 r9 r| r� r~ rI r rL r� r� r r� r� r� r� �platformZ_scproxyr� r� r� r� r8 r5 r� r� rL rL rL rM �<module> s� SP � �O ?m $q!+@ o v +395& @ W _ %%@ 1
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