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Editing: request.cpython-38.opt-1.pyc
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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$parole') proxy_support = urllib.request.ProxyHandler({"http" : "http://ahad-haam:3128"}) # build a new opener that adds authentication and caching FTP handlers opener = urllib.request.build_opener(proxy_support, authinfo, urllib.request.CacheFTPHandler) # install it urllib.request.install_opener(opener) f = urllib.request.urlopen('http://www.python.org/') � N)�URLError� HTTPError�ContentTooShortError)�urlparse�urlsplit�urljoin�unwrap�quote�unquote� _splittype� _splithost� _splitport� _splituser� _splitpasswd� _splitattr� _splitquery� _splitvalue� _splittag� _to_bytes�unquote_to_bytes� urlunparse)� addinfourl� addclosehookFT�Request�OpenerDirector� BaseHandler�HTTPDefaultErrorHandler�HTTPRedirectHandler�HTTPCookieProcessor� ProxyHandler�HTTPPasswordMgr� HTTPPasswordMgrWithDefaultRealm� HTTPPasswordMgrWithPriorAuth�AbstractBasicAuthHandler�HTTPBasicAuthHandler�ProxyBasicAuthHandler�AbstractDigestAuthHandler�HTTPDigestAuthHandler�ProxyDigestAuthHandler� HTTPHandler� FileHandler� FTPHandler�CacheFTPHandler� DataHandler�UnknownHandler�HTTPErrorProcessor�urlopen�install_opener� build_opener� pathname2url� url2pathname� getproxies� urlretrieve� urlcleanup� URLopener�FancyURLopenerz%d.%d� )�cafile�capath� cadefault�contextc C s� |s |s |rfddl }|�dtd� |dk r2td��ts>td��tjtjj||d�}t |d�}t |�} n0|r~t |d�}t |�} nt dkr�t � a } nt } | � | ||�S ) a$ 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. 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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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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 &< c C s� t | �\}}|�d�s d}| }nZ|�d�s6td| ��d|krV|�d�}|�d|�}n |�dd�}|dkrnd}|d|� }t|�\}}|dk r�t|�\}} 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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)r� Z password_mgrrL rL rM r� � s z!AbstractBasicAuthHandler.__init__c c sp d}t j�|�D ]6}|�� \}}}|dkr8t�dtd� ||fV d}q|sl|r^|�� d }nd}|d fV d S )NF)�"�'z Basic Auth Realm was unquoted� Tr rr )r# �rx�finditer�groupsr? r@ � UserWarning�split)r� �headerZfound_challengeZmor r r9 rL rL rM � _parse_realm� s � z%AbstractBasicAuthHandler._parse_realmc C s~ |� |�}|sd S d }|D ]H}| �|�D ]8\}}|�� dkrB|}q(|d k r(| �|||� S q(q|d k rztd|f ��d S )N�basiczBAbstractBasicAuthHandler does not support the following scheme: %r)Zget_allrZ rx �retry_http_basic_authrB ) r� �authreqrz r� ri Z unsupportedrY r r9 rL rL rM �http_error_auth_reqed� s �z.AbstractBasicAuthHandler.http_error_auth_reqedc C s| | j �||�\}}|d k rtd||f }dt�|�� ��d� }|�| jd �|krTd S |�| j|� | j j ||j d�S d S d S )Nr( r+ r) r ) r1 r@ r- r. r/ r0 ru � auth_headerr� r� rG rJ )r� rz r� r9 r �pw�raw�authrL rL rM r\ � s z.AbstractBasicAuthHandler.retry_http_basic_authc C st t | jd�r| j�|j�s |S |�d�sp| j�d |j�\}}d�||��� }t� |�� � }|� dd�|� � �� |S )NrN � Authorizationz{0}:{1}zBasic {}) r� r1 rN rt r� r@ r� r/ r- Zstandard_b64encoder0 r� �strip)r� r� r r1 Z credentialsZauth_strrL rL rM � http_request s � �z%AbstractBasicAuthHandler.http_requestc C sL t | jd�rHd|j kr"dk r8n n| j�|jd� n| j�|jd� |S )NrN r� r� TF)r� r1 r� rM rt )r� r� r� rL rL rM r� s z&AbstractBasicAuthHandler.http_response)N)r� r� r� �re�compile�IrT r� rZ r^ r\ re r� � https_requestr� rL rL rL rM r# � s � c @ s e Zd ZdZdd� ZdS )r$ rc c C s |j }| �d|||�}|S )N�www-authenticate)rt r^ )r� r� rh r� r� ri rH r� rL rL rM �http_error_401$ s �z#HTTPBasicAuthHandler.http_error_401N)r� r� r� r_ rk rL rL rL rM r$ s c @ s e Zd ZdZdd� ZdS )r% r* c C s |j }| �d|||�}|S �N�proxy-authenticate)rz r^ )r� r� rh r� r� ri r r� rL rL rM �http_error_407/ s �z$ProxyBasicAuthHandler.http_error_407N)r� r� r� r_ rn rL rL rL rM r% + s c @ sN e Zd Zddd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dS )r& Nc C s4 |d krt � }|| _| jj| _d| _d| _d | _d S �Nr )r r1 r; �retried� nonce_count� last_nonce)r� r1 rL rL rM r� I s z"AbstractDigestAuthHandler.__init__c C s d| _ d S ro )rp r� rL rL rM �reset_retry_countR s z+AbstractDigestAuthHandler.reset_retry_countc C s| |� |d �}| jdkr*t|jdd|d ��n| jd7 _|rx|�� d }|�� dkr`| �||�S |�� dkrxtd| ��d S ) N� i� zdigest auth failedrV r Zdigestr[ zEAbstractDigestAuthHandler does not support the following scheme: '%s')r� rp r rt rX rx �retry_http_digest_authrB )r� r_ rz r� ri r] r rL rL rM r^ U s � �z/AbstractDigestAuthHandler.http_error_auth_reqedc C sz |� dd�\}}ttd t|���}| �||�}|rvd| }|j�| jd �|krRd S |�| j|� | j j ||j d�}|S d S )Nr� rV z Digest %sr ) rX �parse_keqv_list�filter�parse_http_list�get_authorizationri r� r_ r� r� rG rJ )r� r� rb �tokenZ challenge�chalZauth_valZresprL rL rM ru i s z0AbstractDigestAuthHandler.retry_http_digest_authc C s@ d| j |t�� f }|�d�td� }t�|��� }|d d� S )Nz %s:%s:%s:r) � � )rq �time�ctimer/ � _randombytes�hashlib�sha1� hexdigest)r� �nonce�s�b�digrL rL rM � get_cnonceu s z$AbstractDigestAuthHandler.get_cnoncec C s� z6|d }|d }|� d�}|� dd�}|� dd �}W n tk rL Y d S X | �|�\}} |d krhd S | j�||j�\} } | d kr�d S |jd k r�| �|j|�} nd } d| || f } d|�� |j f }|d kr�| || �d|||�f �}n~d |� d �k�r\|| j k�r| j d 7 _ n d | _ || _ d | j }| � |�}d |||d ||�f }| || �|�}n td| ��d| |||j |f }|�r�|d| 7 }| �r�|d| 7 }|d| 7 }|�r�|d||f 7 }|S )Nr9 r� �qop� algorithm�MD5�opaquez%s:%s:%sr( rb �,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_implsr1 r@ rt rI �get_entity_digestr� r� rX rr rq r� r )r� r� r{ r9 r� r� r� r� �H�KDr r` ZentdigZA1ZA2ZrespdigZncvalueZcnonceZnoncebitrD rL rL rM ry � s\ � �� z+AbstractDigestAuthHandler.get_authorizationc sD |dkrdd� � n |dkr$dd� � n t d| ��� fdd�}� |fS )Nr� c S s t �| �d���� S �Nr) )r� Zmd5r/ r� ��xrL rL rM r% � � z?AbstractDigestAuthHandler.get_algorithm_impls.<locals>.<lambda>ZSHAc S s t �| �d���� S r� )r� r� r/ r� r� rL rL rM r% � r� z.Unsupported digest authentication algorithm %rc s � d| |f �S )Nr( rL )r� �d�r� rL rM r% � r� )rB )r� r� r� rL r� rM r� � s � z-AbstractDigestAuthHandler.get_algorithm_implsc C s d S rN rL )r� rI r{ rL rL rM r� � s z+AbstractDigestAuthHandler.get_entity_digest)N) r� r� r� r� rs r^ ru r� ry r� r� rL rL rL rM r& > s > c @ s e Zd ZdZdZdZdd� ZdS )r' z�An authentication protocol defined by RFC 2069 Digest authentication improves on basic authentication because it does not transmit passwords in the clear. rc �� c C s* t |j�d }| �d|||�}| �� |S )NrV rj )r rt r^ rs �r� r� rh r� r� ri rz �retryrL rL rM rk � s �z$HTTPDigestAuthHandler.http_error_401N)r� r� r� r� r_ r� rk rL rL rL rM r' � s c @ s e Zd ZdZdZdd� ZdS )r( �Proxy-Authorizationr� c C s" |j }| �d|||�}| �� |S rl )rz r^ rs r� rL rL rM rn � s �z%ProxyDigestAuthHandler.http_error_407N)r� r� r� r_ r� rn 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 rN �� _debuglevel)r� � debuglevelrL rL rM r� � s z AbstractHTTPHandler.__init__c C s || _ d S rN r� )r� �levelrL rL rM �set_http_debuglevel� s 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 }|std��|jd k r�|j}t|t�r8d}t|��|�d�sN|�dd� |�d�s�|�d�s�| �|�}|d k r�|�dt|�� n |�dd� |}|� � r�t |j �\}}t |�\}} |�d�s�|�d|� | j jD ]&\} } | �� } |�| �s�|�| | � q�|S ) N� no host givenz\POST data should be bytes, an iterable of bytes, or a file object. 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Only double-quotes count, not single-quotes. rr F�\TrQ r� c S s g | ] }|� � �qS rL )rd )r� �partrL rL rM � <listcomp>� s z#parse_http_list.<locals>.<listcomp>)ra )r� �resr� �escaper ZcurrL rL rM rx � s4 rx c @ s( e Zd Zdd� ZdZdd� Zdd� ZdS )r* c C s\ |j }|d d� dkrN|dd� dkrN|jrN|jdkrN|j| �� krXtd��n | �|�S d S )Nr: r rS 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 s` t jd krZz*tt�d�d t�t�� �d �t _W n$ tjk rX t�d�ft _Y nX t jS )Nr� r: )r* �namesr8 r� �gethostbyname_ex� gethostname�gaierror� gethostbynamer� rL rL rM r� � s �� zFileHandler.get_namesc C s� dd l }dd l}|j}|j}t|�}z�t�|�}|j}|jj |j dd�} |� |�d } |� d| pbd|| f �} |r~t |�\}} |r�| s�t|�| �� kr�|r�d| | } nd| } tt|d�| | �W S W n* tk r� } z t|��W 5 d }~X Y nX td��d S ) 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 rC Zorigurl�exprL rL rM r� � s: �� ��zFileHandler.open_local_file)r� r� r� r� r� r� r� rL rL rL rM r* � s c C s* z t �| �W S t jk r$ Y d S X d S 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}|s"td��t|�\}}|d kr>|j}nt|�}t|�\}}|rdt|�\}}nd }t |�}|pvd}|p~d}zt � |�}W n* t k r� } z t|��W 5 d }~X Y nX t |j�\} } | �d�} ttt | ��} | d d� | d } } | �r| d �s| dd � } z�| �||||| |j�} | �r6d�p8d}| D ]2}t|�\}}|�� d k�r>|d k�r>|�� }�q>| �| |�\}}d}|�|j�d }|�r�|d | 7 }|d k �r�|dk�r�|d | 7 }t�|�}t |||j�W S |j k �r$ } z"td | �}|� t � � d ��W 5 d }~X Y nX d S )Nr �ftp error: no host givenrr r rS rV rh �Dr� ��a�Ar� rh r� r� zContent-type: %s zContent-length: %d � ftp error: %rr: )!�ftplibr� rz r r �FTP_PORTrb r r r r� r� rq r r� rX r� �map� connect_ftprJ r rx �upper�retrfiler� rt r� r� r � all_errors�with_tracebackr� �exc_info)r� r� r� r� rz rC r r1 r� r\ �attrs�dirsrO �fwr� �attrr� rh �retrlenri r� r� �excrL rL rM �ftp_open s^ � zFTPHandler.ftp_openc C s t ||||||dd�S )NF)� persistent)� ftpwrapper)r� r r1 rz rC r� rJ rL rL rM r� 7 s �zFTPHandler.connect_ftpN)r� r� r� r� r� rL rL rL rM r+ s 5c @ 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� > s zCacheFTPHandler.__init__c C s || _ d S rN )r� )r� �trL rL rM � setTimeoutE s zCacheFTPHandler.setTimeoutc C s || _ d S rN )r� )r� r rL rL rM � setMaxConnsH s zCacheFTPHandler.setMaxConnsc C sr |||d� |�|f}|| jkr4t�� | j | j|< n,t||||||�| j|< t�� | j | j|< | �� | j| S )Nr )�joinr� r~ r� rJ r� � check_cache)r� r r1 rz rC r� rJ r� rL rL rM r� K s � zCacheFTPHandler.connect_ftpc C s� t � � }| j|krPt| j�� �D ].\}}||k r | j| �� | j|= | j|= q tt| j�� ��| _t | j�| j kr�t| j�� �D ]&\}}|| jkr�| j|= | j|= q�q�tt| j�� ��| _d S rN ) r~ r� r� rJ r r� r� �min�valuesrd r� )r� r� r� r rL rL rM r� V s zCacheFTPHandler.check_cachec C s0 | j �� D ] }|�� q | j �� | j�� d S rN )r� r� r� �clearrJ )r� �connrL rL rM � clear_cachej s zCacheFTPHandler.clear_cacheN) r� r� r� r� r� r� r� r� r rL rL rL rM r, ; s c @ s e Zd Zdd� ZdS )r- c C s~ |j }|�dd�\}}|�dd�\}}t|�}|�d�rNt�|�}|d d� }|sVd}t�d|t|�f �}t t � |�||�S )N�:rV r� z;base64i�����text/plain;charset=US-ASCIIz$Content-type: %s Content-length: %d ) rt rX r �endswithr- � decodebytesr� r� rd r �io�BytesIO)r� r� rH r rI Z mediatyperi rL rL rM � data_openq s �zDataHandler.data_openN)r� r� r� r rL rL rL rM r- p s r� �nt)r4 r3 c C s t | �S )zOS-specific conversion from a relative URL of the 'file' scheme to a file system path; not recommended for general use.)r ��pathnamerL rL rM r4 � s c C s t | �S )zOS-specific conversion from a file system path to a relative URL of the 'file' scheme; not recommended for general use.)r r rL rL rM r3 � s c @ s� e Zd ZdZdZde Zd*dd�Zdd� Zdd � Z d d � Z d d � Z d+dd�Z d,dd�Z d-dd�Zd.dd�Zdd� Zd/dd�Zd0dd�Zd d � Zer�d d � Zd1d d!�Zd"d#� Zd$d%� Zd&d'� Zd2d(d)�ZdS )3r8 a, Class to open URLs. 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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� r) zBasic %sr� rc 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 r, rq r- r. r/ r0 r� ry r� r� r� Z BadStatusLiner Zstatusr r� � http_errorrh r� )r� Zconnection_factoryrH rI Z user_passwdZ proxy_passwdrz r� Zrealhostr r� Z proxy_authrb Z http_connri rY r� r� rL rL rM �_open_generic_httpV s~ � �z URLopener._open_generic_httpc C s | � tjj||�S )zUse HTTP protocol.)r) r� r� r� �r� rH rI rL rL rM � open_http� s zURLopener.open_httpc C sb d| }t | |�rPt| |�}|dkr6||||||�} n|||||||�} | rP| 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��dS )z>Default error handler: close the connection and raise OSError.N)r� r �r� rH rh r, r- 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) r/ r* rL rL rM � open_https� s zURLopener.open_httpsc C s^ t |t�std��|dd� dkrP|dd� dkrP|dd� �� dkrPtd ��n | �|�S dS ) z/Use local file or FTP depending on form of URL.zEfile error: proxy support for file protocol currently not implementedNr: r rS r � z localhost/r� )r� r� r rx rB r� r� rL rL rM � open_file� s 4 zURLopener.open_filec C s\ ddl }ddl}t|�\}}t|�}zt�|�}W n0 tk rb } zt|j|j ��W 5 d}~X Y nX |j } |j j |j dd�} |�|�d } |�d| p�d| | f �} |s�|} |dd� dkr�d | } tt|d �| | �S t|�\}}|�sPt�|�t� ft� k�rP|} |dd� dk�r d | } n |dd � d k�r>td | ��tt|d �| | �S td��dS )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 ZurlfilerC 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 � |�}|s�ddl }|j }nt |�}t|�\}} t|�}|�d�} | dd� | d } } | r�| d s�| dd� } | �r | d �s d| d< |||d�| �f} t| j�tk�rbt| j�D ]*} | | k�r6| j| }| j| = |�� �q6z�| | jk�r�t||||| �| j| < | �s�d }nd }| D ]2}t|�\}}|�� d k�r�|d k�r�|�� }�q�| j| �| |�\}}|�d | �d }d}|�r |d| 7 }|dk �r,|dk�r,|d| 7 }t � |�}t ||d | �W S t � k �r� } z td| �� t!�"� d ��W 5 d}~X Y nX dS )zUse FTP protocol.zCftp error: proxy support for ftp protocol currently not implementedr Nr� rr r rS rV r� rh 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 rX r� rd r � MAXFTPCACHEr� r� r� r rx r� r� r� r� r� r � ftperrorsr� r� r� )r� rH r� rz r\ rC r r1 r� r� r� rO r� r� r r� r� r� rh r� r� ri r� rL rL rM �open_ftp� st � � zURLopener.open_ftpc C s< t |t�std��z|�dd�\}}W n tk rD tdd��Y nX |sNd}|�d�}|dkr�d ||d � kr�||d d � }|d |� }nd }g }|�d t� d t� t�� �� � |�d| � |dkr�t � |� 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: %sr- r) zlatin-1zContent-Length: %d� )r� r� r rX rB rq �rfindra r~ �strftime�gmtimer- r r/ r0 r rd r� r� r� r �StringIOr ) r� rH rI r� Zsemir r� ri �frL rL rM � open_data8 s8 � 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/ r0 r2 r� r8 r@ rL rL rL rM r8 � s. $ A\ :c @ s� e Zd ZdZdd� Zdd� Zd#dd�Zd d � Zd$d d �Zd%d d�Z d&dd�Z d'dd�Z d(dd�Z d)dd�Z d*dd�Zd+dd�Zd,d d �Zd-d d �Zd!d"� ZdS ).r9 z?Derived class with handlers for errors we can handle (perhaps).c O s( t j| f|�|� i | _d| _d| _d S )Nr r� )r8 r� � auth_cache�tries�maxtriesrI rL rL rM r� e s zFancyURLopener.__init__c C s t ||d| |�S )z3Default error handling -- don't raise an exception.r' )r r. rL rL rM r� k s z!FancyURLopener.http_error_defaultNc C sv | j d7 _ zZ| jrN| j | jkrNt| d�r4| j}n| j}|||dd|�W � S | �||||||�}|W �S d| _ X dS )z%Error 302 -- relocated (temporarily).rV r �http_error_500r� z)Internal Server Error: Redirect RecursionN)rB rC r� rD r� �redirect_internal) r� rH rh r, r- ri rI r� rk rL rL rM r o s � �z FancyURLopener.http_error_302c C sx d|kr|d }nd|kr$|d }nd S |� � t| jd | |�}t|�}|jdkrnt|||d| ||��| �|�S )Nr r r r z( Redirection to url '%s' is not allowed.)r� r r� r r r rG ) r� rH rh r, r- ri rI r r rL rL rM rE � s" � �z FancyURLopener.redirect_internalc C s | � ||||||�S )z*Error 301 -- also relocated (permanently).�r �r� rH rh r, r- ri rI rL rL rM r � s z FancyURLopener.http_error_301c C s | � ||||||�S )z;Error 303 -- also relocated (essentially identical to 302).rF rG rL rL rM r � s z FancyURLopener.http_error_303c C s2 |dkr | � ||||||�S | �|||||�S dS )z1Error 307 -- relocated, but turn POST into error.N)r r� rG rL rL rM r � s z FancyURLopener.http_error_307Fc C s� d|kr t �| |||||� |d }t�d|�} | sHt �| |||||� | �� \} } | �� dkrtt �| |||||� |s�t �| |||||� d| j d } |dkr�t| | �|| �S t| | �|| |�S dS )z_Error 401 -- authentication required. This function supports Basic authentication only.rj �![ ]*([^ ]+)[ ]+realm="([^"]*)"r[ Zretry_� _basic_authN�r8 r� rf �matchrV rx r� r� � r� rH rh r, r- ri rI r� ZstuffrK r r9 r_ rL rL rM rk � s: � � ��z FancyURLopener.http_error_401c C s� d|kr t �| |||||� |d }t�d|�} | sHt �| |||||� | �� \} } | �� dkrtt �| |||||� |s�t �| |||||� d| j d } |dkr�t| | �|| �S t| | �|| |�S dS )zeError 407 -- proxy authentication required. This function supports Basic authentication only.rm rH r[ Z retry_proxy_rI NrJ rL rL rL rM rn � s: � � ��z FancyURLopener.http_error_407c C s� t |�\}}d| | }| jd }t|�\}} t | �\} } | �d�d } | | d � } | �| || �\} } | sr| srd S dt| dd�t| dd�| f } d| | | jd< |d kr�| �|�S | �||�S d S )N�http://r� r rV �%s:%s@%srr r �r r& r r� �get_user_passwdr rG �r� rH r9 rI rz r� r r r r Z proxyselectorr� r r1 rL rL rM �retry_proxy_http_basic_auth� s$ � z*FancyURLopener.retry_proxy_http_basic_authc C s� t |�\}}d| | }| jd }t|�\}} t | �\} } | �d�d } | | d � } | �| || �\} } | sr| srd S dt| dd�t| dd�| f } d| | | jd< |d kr�| �|�S | �||�S d S )N�https://r� r rV rN rr r rO rQ rL rL rM � retry_proxy_https_basic_auth� s$ � z+FancyURLopener.retry_proxy_https_basic_authc C s� t |�\}}|�d�d }||d � }| �|||�\}}|sD|sDd S dt|dd�t|dd�|f }d| | } |d kr�| �| �S | �| |�S d S )Nr rV rN rr r rM �r r� rP r rG � r� rH r9 rI rz r� r� r r1 r rL rL rM r\ s � z$FancyURLopener.retry_http_basic_authc C s� t |�\}}|�d�d }||d � }| �|||�\}}|sD|sDd S dt|dd�t|dd�|f }d| | } |d kr�| �| �S | �| |�S d S )Nr rV rN rr r rS rU rV rL rL rM �retry_https_basic_auth s � z%FancyURLopener.retry_https_basic_authr c C s` |d |� � }|| jkr2|r(| j|= n | j| S | �||�\}}|sJ|rX||f| j|< ||fS )Nr )rx rA �prompt_user_passwd)r� rz r9 r r� r r1 rL rL rM rP s z FancyURLopener.get_user_passwdc C sX ddl }z.td||f �}|� d|||f �}||fW S tk rR t� Y 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: r< )�getpass�input�KeyboardInterrupt�print)r� rz r9 rY r r1 rL rL rM rX ) s � z!FancyURLopener.prompt_user_passwd)N)N)N)N)NF)NF)N)N)N)N)r )r� r� r� r� r� r� r rE r r r rk rn rR rT r\ rW rP rX rL rL rL rM r9 b s( � � c C s t dkrt�d�a t S )z8Return the IP address of the magic hostname 'localhost'.Nr� )� _localhostr� r� rL rL rL rM r� 9 s r� c C sP t dkrLztt�t�� �d �a W n( tjk rJ tt�d�d �a Y nX t S )z,Return the IP addresses of the current host.Nr: r� )� _thishostr8 r� r� r� r� rL rL rL rM r4 A s r4 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 r7 L s r7 c C s t dkrt�d�a t S )z%Return an empty email Message object.Nrr )� _noheadersr� r� rL rL rL rM � noheadersU s ra 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| _|| _z | �� W n | � � � Y nX d S ro ) r r1 rz rC r� rJ �refcount� keepalive�initr� )r� r r1 rz rC r� rJ r� rL rL rM r� b 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 rC rJ Zloginr r1 r� r� �cwd)r� r� Z_targetrL rL rM rd r s zftpwrapper.initc C s� dd l }| �� |dkr"d}d}n d| }d}z| j�|� W n* |jk rh | �� | j�|� Y nX d }|r�|s�z d| }| j�|�\}}W nR |jk r� } z2t|�d d� dkr�t d | �� t � � d ��W 5 d }~X Y nX |�s�| j�d� |�rl| j� � } zJz| j�|� W n4 |jk �rN } zt d | �|�W 5 d }~X Y nX W 5 | j�| � X d | }nd }| j�|�\}}d| _t|�d �| j�} | jd7 _|�� | |fS )Nr )r� r� zTYPE ArV zTYPE zRETR rS Z550r� r: zLIST ZLISTr� )r� � endtransferr Zvoidcmdr� rd Z ntransfercmdZ error_permr� r r� r� r� �pwdrf re r Zmakefile� file_closerb r� ) r� rO r� r� �cmd�isdirr r� r� rh ZftpobjrL rL rM r� { sP � $ zftpwrapper.retrfilec C s d| _ d S ro )re r� rL rL rM rg � s zftpwrapper.endtransferc C s d| _ | jdkr| �� d S )NFr )rc rb � real_closer� rL rL rM r� � s zftpwrapper.closec C s2 | � � | jd8 _| jdkr.| js.| �� d S )NrV r )rg rb rc rl r� rL rL rM ri � s zftpwrapper.file_closec C s2 | � � z| j�� W n t� k r, Y nX d S rN )rg r r� r7 r� rL rL rM rl � s zftpwrapper.real_close)NT) r� r� r� r� r� rd r� rg r� ri rl rL rL rL rM r� _ s � -r� c C s� i } t j�� D ]4\}}|�� }|r|dd� dkr|| |dd� < qdt jkrZ| �dd� t j�� D ]J\}}|dd� dkrd|�� }|r�|| |dd� < qd| �|dd� d� qd| 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. i����N�_proxyZREQUEST_METHODr� )r[ �environr rx r� )r& r_ r� rL rL rM �getproxies_environment� s ro c C s� |dkrt � }z |d }W n tk r0 Y dS X |dkr>dS | �� } t| �\}}|�d�D ]Z}|�� }|r\|�d�}|�� }||ks�| |kr� dS d| }|�|�s�| �|�r\ 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� �.)ro r� rx r rX rd �lstripr )rz r& Zno_proxy�hostonlyrC r_ rL rL rM �proxy_bypass_environment� s* rt c C s0 ddl m } t| �\}}dd� }d| kr4|d r4dS d}|�d d �D ]�}|sNqDt�d |�}|dk �r|dkr�zt�|�}||�}W n tk r� Y qDY nX ||�d ��} |�d �} | dkr�d|�d �� d�d } nt | d d� �} | dk sD| dkr�qDd| } || ? | | ? k�r* dS qD|| |�rD dS qDdS )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 | � d�}ttt|��}t|�dkr<|ddddg d d� }|d d> |d d> B |d d> B |d B S ) Nrq r� r � rV r} r: r| rS )rX r� r� rb rd )ZipAddrrB rL rL rM �ip2num s z,_proxy_bypass_macosx_sysconf.<locals>.ip2numrq Zexclude_simpleTN� exceptionsrL z(\d+(?:\.\d+)*)(/\d+)?rV r: r| � F) ru r r� rf rK r� r� rq �group�countrb ) rz �proxy_settingsru rs rC rw ZhostIPr� r rD �maskrL rL rM � _proxy_bypass_macosx_sysconf s> r~ �darwin)�_get_proxy_settings� _get_proxiesc C s t � }t| |�S rN )r� r~ )rz r| rL rL rM �proxy_bypass_macosx_sysconfF 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_sysconfJ s r� 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)ro rt r� �rz r& rL rL rM r, T s r, c C s t � p t� S rN )ro r� rL rL rL rM r5 a s c C s i } z ddl }W n tk r( | Y S X z�|�|jd�}|�|d�d }|r�t|�|d�d �}d|kr�|�d�D ]4}|�dd�\}}t�d |�s�d ||f }|| |< qtn>|dd � d kr�|| d < n$d| | d < d| | d< d| | d< |� � W n t t t fk �r Y nX | S )zxReturn a dictionary of scheme -> proxy server URL mappings. Win32 uses the registry to store proxies. r N�;Software\Microsoft\Windows\CurrentVersion\Internet Settings� ProxyEnableZ ProxyServerr� r9 rV z (?:[^/:]+)://z%s://%srt r' r� z http://%sz https://%sr� zftp://%sr ) �winreg� ImportError�OpenKey�HKEY_CURRENT_USER� QueryValueExr� rX rf rK ZCloserq rB r� )r& r� �internetSettings� proxyEnableZ proxyServer�pr� ZaddressrL rL rM �getproxies_registryf sF ����� r� c C s t � p t� S )z�Return a dictionary of scheme -> proxy server URL mappings. Returns settings gathered from the environment, if specified, or the registry. )ro r� rL rL rL rM r5 � s c C s| z dd l }W n tk r" Y dS X z6|�|jd�}|�|d�d }t|�|d�d �}W n tk rp Y dS X |rz|s~dS t| �\}}|g} z t� |�}||kr�| � |� W n tk r� Y nX z t� |�}||kr�| � |� W n tk � r� Y nX |� d�}|D ]j} | dk�r*d|k�r* dS | � dd �} | � d d �} | � d d�} | D ] } t�| | tj��rR dS �qR�q dS ) Nr r� r� Z ProxyOverrider9 z<local>rq rV z\.rp z.*�?)r� r� r� r� r� r� rq r r� r� ra ZgetfqdnrX r rf rK rh ) rz r� r� r� Z proxyOverrideZrawHostrC ZaddrZfqdnrE r� rL rL rM �proxy_bypass_registry� s` ����� r� c C s t � }|rt| |�S t| �S dS )z�Return True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or the registry. N)ro rt r� r� rL rL rM r, � s )NNN)N)~r� r- r� r� r� Z http.clientr� r r[ � posixpathrf r� r r� r~ r^ rX r? Z urllib.errorr r r Z urllib.parser r r r r r r r r r r r r r r r r r Zurllib.responser r rD r� rC �__all__� version_infor� rF r� r0 r1 r` r6 r7 rg �ASCIIrv r{ r r r2 r r/ r r r" r r r! r" r# r$ r% �urandomr� r& r' r( r� r) r� r� rE ra r r. rv rx r* r� r+ r, r- r6 r_ Z nturl2pathr4 r3 r r8 r9 r] r� r^ r4 r_ r7 r` ra r� ro rt r~ �platformZ_scproxyr� r� r� r� r, r5 r� r� rL rL rL rM �<module> s SP � � U ?m $q!+@ o v +3:5! @ W _ %A - 2
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