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request.cpython-39.pyc
a DOg @ s d Z ddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZddlZddlmZmZmZ ddlmZmZmZmZmZm 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+ z ddl,Z,W n e-y dZ.Y n0 dZ.g dZ/d e j0dd Z1da2de j3fddddd d d Z4dd Z5g Z6dddZ7dd Z8e 9de j:Z;dd Z<G dd dZ=G dd dZ>dd Z?G d d d Z@G d d d e@ZAG d!d" d"e@ZBG d#d$ d$e@ZCd%d& ZDG d'd( d(e@ZEG d)d* d*ZFG d+d, d,eFZGG d-d. d.eGZHG d/d0 d0ZIG d1d2 d2eIe@ZJG d3d4 d4eIe@ZKejLZMG d5d6 d6ZNG d7d8 d8e@eNZOG d9d: d:e@eNZPG d;d< d<e@ZQG d=d> d>eQZReSejTd?rG d@dA dAeQZUe/VdA G dBdC dCe@ZWG dDdE dEe@ZXdFdG ZYdHdI ZZG dJdK dKe@Z[dLdM Z\G dNdO dOe@Z]G dPdQ dQe]Z^G dRdS dSe@Z_dTZ`ejadUkrddVlbmcZcmdZd ndWdX ZcdYdZ Zdi ZeG d[d\ d\ZfG d]d^ d^efZgdahd_d` Zidajdadb Zkdaldcdd Zmdandedf ZoG dgdh dhZpdidj ZqddkdlZrdmdn Zsdodp Zte judqkrTddrlvmwZwmxZx dsdt Zydudv Zzdwdx Z{dydz Z|n6ejadUkrd{d| Z}d}dz Z|d~d Z~ddx Z{neqZ|erZ{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('https://www.python.org/') N)URLError HTTPErrorContentTooShortError)urlparseurlspliturljoinunwrapquoteunquote _splittype _splithost _splitport _splituser _splitpasswd _splitattr _splitquery _splitvalue _splittag _to_bytesunquote_to_bytes urlunparse) addinfourl addclosehookFT)!RequestOpenerDirector BaseHandlerHTTPDefaultErrorHandlerHTTPRedirectHandlerHTTPCookieProcessor ProxyHandlerHTTPPasswordMgr HTTPPasswordMgrWithDefaultRealm HTTPPasswordMgrWithPriorAuthAbstractBasicAuthHandlerHTTPBasicAuthHandlerProxyBasicAuthHandlerAbstractDigestAuthHandlerHTTPDigestAuthHandlerProxyDigestAuthHandler HTTPHandler FileHandler FTPHandlerCacheFTPHandler DataHandlerUnknownHandlerHTTPErrorProcessorurlopeninstall_opener build_opener pathname2url url2pathname getproxies urlretrieve urlcleanup URLopenerFancyURLopenerz%d.%d )cafilecapath cadefaultcontextc C s |s |s |rfddl }|dtd |dur2tdts>tdtjtjj||d}t |d}t |} n0|r~t |d}t |} nt du rt 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. 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 the properties url, headers, and status. See urllib.response.addinfourl for more detail on these properties. 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. Note that None may be returned if no handler handles the request (though the default installed global OpenerDirector uses UnknownHandler to ensure this never happens). In addition, if proxy settings are detected (for example, when a *_proxy environment variable like http_proxy is set), ProxyHandler is default installed and makes sure the requests are handled through the proxy. r NzJcafile, capath and cadefault are deprecated, use a custom context instead.r: zDYou can't pass both context and any of cafile, capath, and cadefaultzSSL support not available)r; r< )r> ) warningswarnDeprecationWarning ValueError _have_sslsslZcreate_default_contextZPurposeZ SERVER_AUTH HTTPSHandlerr2 _openeropen) urldatatimeoutr; r< r= r> r? Z https_handleropener rL &/usr/lib64/python3.9/urllib/request.pyr0 s0 4 r0 c C s | a d S N)rF )rK rL rL rM r1 s r1 c C sl t | \}}tt| |}| }|dkrR|sRtj||fW d S |rbt|d}n t j dd}|j }t | | ||f} d} d} d} d} d |v rt|d } |r|| | | || }|sҐq| t|7 } || | d 7 } |r|| | | qW d n1 s0 Y W d n1 s80 Y | dkrh| | k rhtd | | f | | S ) aW Retrieve a URL into a temporary location on disk. Requires a URL argument. 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Returns a tuple containing the path to the newly created data file as well as the resulting HTTPMessage object. fileNwbF)delete r content-lengthContent-Length 1retrieval incomplete: got only %i out of %i bytes)r contextlibclosingr0 infoospathnormpathrG tempfileNamedTemporaryFilename_url_tempfilesappendintreadlenwriter )rH filename reporthookrI Zurl_typer\ fpheaderstfpresultbssizerd blocknumblockrL rL rM r6 sH Nr6 c C sB t D ]&} zt| W q ty( Y q0 qt dd= tr>dadS )z0Clean up temporary files from urlretrieve calls.N)ra r[ unlinkOSErrorrF )Z temp_filerL rL rM r7 s r7 z:\d+$c C s< | j }t|d }|dkr&| dd}td|d}| S )zReturn request-host, as defined by RFC 2965. 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Tr FrV rS Nr )r )r basetestprefixrL rL rM rF q s zHTTPPasswordMgr.is_suburiN)T)r r r r rD rI r< rF rL rL rL rM r @ s r c @ s e Zd Zdd ZdS )r! c C s0 t | ||\}}|d ur"||fS t | d |S rN )r rI )r rB rG r' r( rL rL rM rI s z2HTTPPasswordMgrWithDefaultRealm.find_user_passwordN)r r r rI rL rL rL rM r! s r! c s< e Zd Z fddZd fdd Zd ddZdd Z ZS ) r" c s i | _ t j|i | d S rN ) authenticatedsuperr r r kwargs __class__rL rM r s z%HTTPPasswordMgrWithPriorAuth.__init__Fc s< | || |d ur&t d ||| t |||| d S rN )update_authenticatedrQ rD )r rB r r' r: is_authenticatedrT rL rM rD s z)HTTPPasswordMgrWithPriorAuth.add_passwordc C s> t |tr|g}dD ]$}|D ]}| ||}|| j|< q qd S Nr; )r r r< rP )r r rW r? r= rC rL rL rM rV s z1HTTPPasswordMgrWithPriorAuth.update_authenticatedc C sD dD ]:}| ||}| jD ]"}| ||r| j| S qqd S rX )r< rP rF )r rG r? rH r rL rL rM rW s z-HTTPPasswordMgrWithPriorAuth.is_authenticated)F)F)r r r r rD rV rW __classcell__rL rL rT rM r" s r" c @ sT e Zd ZedejZdddZdd Zdd Z d d Z d d Z d d Z e Z e ZdS )r# z1(?:^|,)[ ]*([^ ,]+)[ ]+realm=(["']?)([^"']*)\2Nc C s" |d u rt }|| _| jj| _d S rN )r r: rD )r Z password_mgrrL rL rM r s z!AbstractBasicAuthHandler.__init__c c sp d}t j|D ]6}| \}}}|dvr8tdtd ||fV d}q|sl|r^| d }nd}|d fV d S )NF)"'z Basic Auth Realm was unquoted Tr rs )r# rxfinditergroupsr? r@ UserWarningsplit)r headerZfound_challengemor r rB rL rL rM _parse_realm s z%AbstractBasicAuthHandler._parse_realmc C s~ | |}|sd S d }|D ]H}| |D ]8\}}| dkrB|}q(|d ur(| ||| S q(q|d urztd|f d S )NbasiczBAbstractBasicAuthHandler does not support the following scheme: %r)Zget_allrd ry retry_http_basic_authrB ) r authreqr{ r rj Z unsupportedrb r rB rL rL rM http_error_auth_reqed s z.AbstractBasicAuthHandler.http_error_auth_reqedc C s| | j ||\}}|d urtd||f }dt| d }|| jd |krTd S || j| | j j ||j dS d S d S )Nr1 r4 r2 r ) r: rI r6 r7 r8 r9 rv auth_headerr r rG rJ )r r{ r rB r' pwrawauthrL rL rM rf s z.AbstractBasicAuthHandler.retry_http_basic_authc C st t | jdr| j|js |S |dsp| jd |j\}}d|| }t | }| dd| |S )NrW Authorizationz{0}:{1}zBasic {}) r r: rW ru r rI r r8 r6 Zstandard_b64encoder9 r strip)r r r' r: Z credentialsZauth_strrL rL rM http_request s z%AbstractBasicAuthHandler.http_requestc C sL t | jdrHd|j kr"dk r8n n| j|jd n| j|jd |S )NrW r r TF)r r: r rV ru )r r r rL rL rM r s z&AbstractBasicAuthHandler.http_response)N)r r r recompileIr] r rd rh rf ro r https_requestr rL rL rL rM r# s r# c @ s e Zd ZdZdd ZdS )r$ rm c C s |j }| d|||}|S )Nwww-authenticate)ru rh )r r ri r r rj rH r rL rL rM http_error_401 s z#HTTPBasicAuthHandler.http_error_401N)r r r ri ru rL rL rL rM r$ s r$ c @ s e Zd ZdZdd ZdS )r% r3 c C s |j }| d|||}|S Nproxy-authenticate)r{ rh )r r ri r r rj r# r rL rL rM http_error_407' s z$ProxyBasicAuthHandler.http_error_407N)r r r ri rx rL rL rL rM r% # s r% c @ sN e Zd ZdddZdd Zdd Zdd Zd d Zd d Zdd Z dd Z dS )r& Nc C s4 |d u rt }|| _| jj| _d| _d| _d | _d S Nr )r r: rD retried nonce_count last_nonce)r r: rL rL rM r A s z"AbstractDigestAuthHandler.__init__c C s d| _ d S ry )rz r rL rL rM reset_retry_countJ s z+AbstractDigestAuthHandler.reset_retry_countc C s| | |d }| jdkr*t|jdd|d n| jd7 _|rx| d }| dkr`| ||S | dkrxtd| d S ) N i zdigest auth failedrV r digestre zEAbstractDigestAuthHandler does not support the following scheme: '%s')r rz r ru ra ry retry_http_digest_authrB )r ri r{ r rj rg r rL rL rM rh M s z/AbstractDigestAuthHandler.http_error_auth_reqedc C sz | dd\}}ttd t|}| ||}|rvd| }|j| jd |krRd S || j| | j j ||j d}|S d S )Nr rV z Digest %sr ) ra parse_keqv_listfilterparse_http_listget_authorizationrj r ri r r rG rJ )r r rl tokenZ challengechalZauth_valZresprL rL rM r a s z0AbstractDigestAuthHandler.retry_http_digest_authc C s@ d| j |t f }|dtd }t| }|d d S )Nz %s:%s:%s:r2 )r{ timectimer8 _randombyteshashlibsha1 hexdigest)r noncesbdigrL rL rM get_cnoncem s z$AbstractDigestAuthHandler.get_cnoncec C s z6|d }|d }| d}| dd}| dd }W n tyJ Y d S 0 | |\}} |d u rfd S | j||j\} } | d u rd S |jd ur| |j|} nd } d| || f } d| |j f }|d u r| || d|||f }n~d | d v rZ|| j kr| 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 )NrB r qop algorithmMD5opaquez%s:%s:%sr1 rl ,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 KeyErrorget_algorithm_implsr: rI ru rI get_entity_digestr r ra r| r{ r r )r r r rB r r r r HKDr' rj ZentdigZA1ZA2ZrespdigZncvalueZcnonceZnoncebitrM rL rL rM r x s\ z+AbstractDigestAuthHandler.get_authorizationc sD |dkrdd n |dkr$dd n t d| fdd} |fS )Nr c S s t | d S Nr2 )r md5r8 r xrL rL rM r. z?AbstractDigestAuthHandler.get_algorithm_impls.<locals>.<lambda>ZSHAc S s t | d S r )r r r8 r r rL rL rM r. r z.Unsupported digest authentication algorithm %rc s d| |f S )Nr1 rL )r dr rL rM r. r )rB )r r r rL r rM r s z-AbstractDigestAuthHandler.get_algorithm_implsc C s d S rN rL )r rI r rL rL rM r s z+AbstractDigestAuthHandler.get_entity_digest)N) r r r r r} rh r r r r r rL rL rL rM r& 6 s > r& c @ s e Zd ZdZdZdZdd ZdS )r' zAn authentication protocol defined by RFC 2069 Digest authentication improves on basic authentication because it does not transmit passwords in the clear. rm c C s* t |jd }| d|||}| |S )NrV rt )r ru rh r} r r ri r r rj r{ retryrL rL rM ru s z$HTTPDigestAuthHandler.http_error_401N)r r r r ri r ru rL rL rL rM r' s r' c @ s e Zd ZdZdZdd ZdS )r( Proxy-Authorizationr c C s" |j }| d|||}| |S rv )r{ rh r} r rL rL rM rx s z%ProxyDigestAuthHandler.http_error_407N)r r r ri r rx rL rL rL rM r( s r( c @ s6 e Zd Zd ddZdd 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 rz rL rL rM r s z'AbstractHTTPHandler._get_content_lengthc C s |j }|std|jd ur|j}t|tr8d}t||dsN|dd |ds|ds| |}|d ur|dt| n |dd |}| rt |j \}}t |\}} |ds|d| | j jD ]&\} } | } || s|| | q|S ) N no host givenz\POST data should be bytes, an iterable of bytes, or a file object. It cannot be of type str.z Content-type!application/x-www-form-urlencodedr Transfer-encodingZchunkedrt )r{ r rI r r r r r r r r r r r r r ) r rz r{ rI r Zcontent_lengthZsel_hostr ZselZsel_pathr` r rL rL rM do_request_ sF z AbstractHTTPHandler.do_request_c sV |j }|std||fd|ji|}|| j t|j fdd|j D d d< dd D |j ri }d}| v r | ||< |= |j |j |d zbz&|j | |j|j |d d W n. ty } zt|W Y d }~n d }~0 0 | } W n | Y n0 |jr@|j d |_| | _| j| _| S ) zReturn an HTTPResponse object for the request, using http_class. http_class must implement the HTTPConnection API from http.client. r rJ c s i | ]\}}| vr||qS rL rL r rj rL rM r ' s z/AbstractHTTPHandler.do_open.<locals>.<dictcomp>r Connectionc S s i | ]\}}| |qS rL )title)r r` r rL rL rM r 4 r r r r )Zencode_chunkedN)r{ r rJ Zset_debuglevelr r r} updaterj r r Z set_tunnelrz r r rI r rr getresponser sockr rH reasonr ) r Z http_classr Zhttp_conn_argsr{ r Ztunnel_headersZproxy_auth_hdrerrr- rL r rM r sB zAbstractHTTPHandler.do_openN)r )r r r r r r r r rL rL rL rM r s &r c @ s e Zd Zdd ZejZdS )r) c C s | tjj|S rN )r r r r r r rL rL rM http_open^ s zHTTPHandler.http_openN)r r r r r r ro rL rL rL rM r) \ s r) r c @ s$ e Zd ZdddZdd ZejZdS )rE r Nc C s t | | || _|| _d S rN )r r _context_check_hostname)r r r> check_hostnamerL rL rM r g s zHTTPSHandler.__init__c C s | j tjj|| j| jdS )N)r> r )r r r r r r r rL rL rM https_openl s zHTTPSHandler.https_open)r NN)r r r r r r r rs rL rL rL rM rE e s rE c @ s. e Zd ZdddZdd Zdd ZeZeZdS ) r Nc C s$ dd l }|d u r|j }|| _d S ry )Zhttp.cookiejar cookiejarZ CookieJar)r r r rL rL rM r u s z HTTPCookieProcessor.__init__c C s | j | |S rN )r Zadd_cookie_headerr rL rL rM ro { s z HTTPCookieProcessor.http_requestc C s | j || |S rN )r Zextract_cookies)r rz r rL rL rM r s z!HTTPCookieProcessor.http_response)N)r r r r ro r rs r rL rL rL rM r t s r c @ s e Zd Zdd ZdS )r. c C s |j }td| d S )Nzunknown url type: %s)r r )r r r rL rL rM r s zUnknownHandler.unknown_openN)r r r r rL rL rL rM r. s r. c C sN i }| D ]@}| dd\}}|d dkr@|d dkr@|dd }|||< q|S )z>Parse list of key=value strings where keys are not duplicated.=rV r rZ rS )ra )lparsedeltr r rL rL rM r s r c C s g }d}d }}| D ]l}|r*||7 }d}q|rT|dkr>d}qn |dkrJd}||7 }q|dkrl| | d}q|dkrxd}||7 }q|r| | dd |D S ) ap Parse lists as described by RFC 2068 Section 2. 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. rs F\TrZ r c S s g | ] }| qS rL )rn )r partrL rL rM <listcomp> r z#parse_http_list.<locals>.<listcomp>)rb )r resr escaper ZcurrL rL rM r s4 r c @ s( e Zd Zdd ZdZdd Zdd ZdS )r* c C s\ |j }|d d dkrN|dd dkrN|jrN|jdkrN|j| vrXtdn | |S d S )Nr: r r\ r localhost-file:// scheme is supported only on localhost)r r{ get_namesr open_local_file)r r rH rL rL rM file_open s & zFileHandler.file_openNc C s^ t jd u rXz*ttdd tt d t _W n" tjyV tdft _Y n0 t jS )Nr r: )r* namesrA r gethostbyname_ex gethostnamegaierror gethostbynamer rL rL rM r s zFileHandler.get_namesc C s dd l }dd l}|j}|j}t|}zt|}|j}|jj |j dd} | |d } | d| pbd|| f } |r~t |\}} |r| st|| v r|rd| | } nd| } tt|d| | W S W n, ty } zt|W Y d }~n d }~0 0 tdd S ) Nr TZusegmtz6Content-type: %s Content-length: %d Last-modified: %s text/plainfile://rbzfile not on local host) email.utils mimetypesr{ r r4 r[ statst_sizeutils formatdatest_mtime guess_typemessage_from_stringr _safe_gethostbynamer r rG rr r )r r emailr r{ rg Z localfilestatsrn modifiedmtyperj rL ZorigurlexprL rL rM r s: zFileHandler.open_local_file)r r r r r r r rL rL rL rM r* s r* c C s( z t | W S t jy" Y d S 0 d S rN )r r r )r{ rL rL rM r s r c @ s e Zd Zdd Zdd ZdS )r+ c C s. dd l }dd l}|j}|s"tdt|\}}|d u r>|j}nt|}t|\}}|rdt|\}}nd }t |}|pvd}|p~d}zt |}W n, t y } zt|W Y d }~n d }~0 0 t |j\} } | d} ttt | } | d d | d } } | r| d s| dd } z| ||||| |j} | r8dp:d}| D ]2}t|\}}| d kr@|d v r@| }q@| | |\}}d}||jd }|r|d | 7 }|d ur|dkr|d | 7 }t|}t |||jW S |j y( } z*td | }| t d W Y d }~n d }~0 0 d S )Nr ftp error: no host givenrs r rS rV rr Dr aAr rr r r zContent-type: %s zContent-length: %d ftp error: %rr: )!ftplibr r{ r r FTP_PORTrc r r r r r rr r r ra r map connect_ftprJ r ry upperretrfiler ru r r r all_errorswith_tracebackr exc_info)r r r r r{ rL r' r: r r\ attrsdirsrO fwr attrr ri retrlenrj r r excrL rL rM ftp_open s^ zFTPHandler.ftp_openc C s t ||||||ddS )NF) persistent) ftpwrapper)r r' r: r{ rL r rJ rL rL rM r / s zFTPHandler.connect_ftpN)r r r r r rL rL rL rM r+ s 5r+ 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 soonestdelay max_connsr rL rL rM r 6 s zCacheFTPHandler.__init__c C s || _ d S rN )r )r trL rL rM setTimeout= s zCacheFTPHandler.setTimeoutc C s || _ d S rN )r )r r rL rL rM setMaxConns@ s zCacheFTPHandler.setMaxConnsc C sr |||d ||f}|| jv r4t | j | j|< n,t||||||| j|< t | j | j|< | | j| S )Nr )joinr r r rJ r check_cache)r r' r: r{ rL r rJ r rL rL rM r C s zCacheFTPHandler.connect_ftpc C s t }| j|krPt| j D ].\}}||k r | j| | j|= | j|= q tt| j | _t | j| j krt| j D ]&\}}|| jkr| j|= | j|= qqtt| j | _d S rN ) r r r rJ r r r minvaluesre r )r r r r rL rL rM r N s zCacheFTPHandler.check_cachec C s0 | j D ] }| q | j | j d S rN )r r r clearrJ )r connrL rL rM clear_cacheb s zCacheFTPHandler.clear_cacheN) r r r r r r r r r rL rL rL rM r, 3 s r, c @ s e Zd Zdd ZdS )r- c C s~ |j }|dd\}}|dd\}}t|}|drNt|}|d d }|sVd}td|t|f }t t |||S )N:rV r z;base64itext/plain;charset=US-ASCIIz$Content-type: %s Content-length: %d ) ru ra r endswithr6 decodebytesr r re r ioBytesIO)r r rH r rI Z mediatyperj rL rL rM data_openi s zDataHandler.data_openN)r r r r rL rL rL rM r- h s r- r nt)r4 r3 c C s t | S )zOS-specific conversion from a relative URL of the 'file' scheme to a file system path; not recommended for general use.)r pathnamerL rL rM r4 s r4 c C s t | S )zOS-specific conversion from a file system path to a relative URL of the 'file' scheme; not recommended for general use.)r r rL rL rM r3 s r3 c @ s e Zd ZdZdZde Zd*ddZdd Zdd Z d d Z d d Z d+ddZ d,ddZ d-ddZd.ddZdd Zd/ddZd0ddZd d Zerd d Zd1d d!Zd"d# Zd$d% Zd&d' Zd2d(d)ZdS )3r8 a, Class to open URLs. This is a class rather than just a subroutine because we may need more than one set of global protocol-specific options. Note -- this is a base class for those who don't want the automatic handling of errors type 302 (relocated) and 401 (authorization needed).Nr c K s dd| j ji }tj|tdd |d u r.t }t|ds@J d|| _|d| _ |d| _ d | j fd g| _ g | _ tj| _d | _t| _d S ) NzW%(class)s style of invoking requests is deprecated. Use newer urlopen functions/methodsclassr\ ) stacklevelr+ r, key_file cert_filez User-Agent)ZAcceptz*/*)rU r r? r@ rA r5 r r/ r r r versionr _URLopener__tempfilesr[ rq _URLopener__unlink tempcacheftpcache)r r/ Zx509r rL rL rM r s zURLopener.__init__c C s | d S rN )r r rL rL rM __del__ s zURLopener.__del__c C s | d S rN )cleanupr rL rL rM r s zURLopener.closec C sT | j r@| j D ]&}z| | W q ty0 Y q 0 q | j d d = | jrP| j d S rN )r! r" rr 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 rb )r r rL rL rM addheader s zURLopener.addheaderc C sp t t|}t|dd}| jrL|| jv rL| j| \}}t|d}t|||S t|\}}|s`d}|| jv r| j| }t|\}} t| \} } | |f}nd}d| } || _ | dd} t | | r| d kr|r| |||S | ||S z0|du r t| | |W S t| | ||W S W nV ttfy. Y n> tyj } z$td | t d W Y d} ~ n d} ~ 0 0 dS ) z6Use URLopener().open(file) instead of open(file, 'r').z%/:=&?~#+!$,;'@()*[]|r r rO NZopen_-r r z socket errorr: )r r r r# rG r r r/ r r r r open_unknown_proxy open_unknownr r r rr r r r )r r rI rg rj ri urltyperH r" proxyhostr{ r r` r rL rL rM rG s< zURLopener.openc C s t |\}}tdd|dS )/Overridable interface to open unknown URL type. url errorzunknown url typeNr rr )r r rI r rH rL rL rM r+ s zURLopener.open_unknownc C s t |\}}tdd| |dS )r. r/ zinvalid proxy for %sNr0 )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 r|rF|dkrz0| |}| }| tt|d |fW S t y Y n0 | ||}zL| } |rt |d} nrt|\} } t| pd\} } t | pd\} } t | pd\} } t j| d } t| \}}| j| t |d} z|| f}| jdurD|| j|< d}d}d}d}d | v rjt| d }|r||||| ||}|sq|t|7 }| | |d7 }|r||||| q|W | n | 0 W | n | 0 |dkr||k rtd ||f ||S ) ztretrieve(url) returns (filename, headers) for a local object or (tempfilename, headers) for a remote object.NrO rV rP rs rR rS r rT rU rW )r r r# r r rZ r r4 r rr rG r r r[ r\ splitextr^ mkstempr! rb fdopenrc rd re rf r )r rH rg rh rI r Zurl1ri r rj rk Zgarbager\ suffixfdrl rm rn rd ro rp rL rL rM retrieve sn zURLopener.retrievec C s" d}d}t |tr<t|\}}|r6t|\}}t|}|}nt|\}}t|\}}t|\} } | }d}| dkrvd}n:t| \}} |rt|\}}|rd| || f }t|r|}|stdd|rt|}t | d} nd} |rt|}t | d} nd} ||} i }| r*d| |d< | r<d| |d < |rJ||d < d |d < | j D ]\}}|||< qX|durd |d< | d||| n| jd||d z | }W n tjjy tdY n0 d|j krdk rn nt||jd| |jS | ||j|j|j|j|S dS )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 r2 zBasic %sr rm rt r r r z Content-Typer r r z$http protocol error: bad status liner r http:)r r r r r r ry r5 rr r6 r7 r8 r9 r rz r r r Z BadStatusLiner statusr r http_errorri r )r Zconnection_factoryrH rI Z user_passwdZ proxy_passwdr{ r Zrealhostr, r Z proxy_authrl Z http_connrj rb r r rL rL rM _open_generic_httpN st 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| |}|du r6||||||} n|||||||} | rP| S | |||||S )zHandle 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 ri errcodeerrmsgrj rI r` r rl rL rL rM r9 s zURLopener.http_errorc C s | t||||ddS )z>Default error handler: close the connection and raise OSError.N)r r r rH ri r= r> rj rL rL rM r s z URLopener.http_error_defaultc C s t jj|| j| jdS )N)r r )r r r r r )r r{ 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 |tstd|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 r\ r z localhost/r )r r r ry rB r r rL rL rM open_file s 4 zURLopener.open_filec C s^ ddl }ddl}t|\}}t|}zt|}W n2 tyd } zt|j|j W Y d}~n d}~0 0 |j } |j j |j dd} ||d } |d| pd| | f } |s|} |dd dkrd | } tt|d | | S t|\}}|sRt|t ft v rR|} |dd dkr"d | } n |dd d kr@td | tt|d | | S tddS )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 rr r strerrorrg r r r r r r r rG r r r r thishostrB )r rH r r r{ rO Z localnamer ern r r rj ZurlfilerL rL rL rM r s@ $ zURLopener.open_local_filec C s t |tstdddl}t|\}}|s2tdt|\}}t|\}}|r\t|\}}nd}t|}t|ppd}t|p|d}t |}|sddl }|j }nt |}t|\}} t|}|d} | dd | d } } | r| d s| dd } | r | d s d| d< |||d| f} t| jtkrbt| jD ]*} | | kr6| j| }| j| = | q6z| | jvrt||||| | j| < | sd }nd }| D ]2}t|\}}| d kr|d v r| }q| j| | |\}}|d | d }d}|r |d| 7 }|dur,|dkr,|d| 7 }t |}t ||d | W S t y } z&td| t!" d W Y d}~n d}~0 0 dS )zUse FTP protocol.zCftp error: proxy support for ftp protocol currently not implementedr Nr rs r rS rV r rr 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 rc r ra r re r$ MAXFTPCACHEr r r r ry r r r r r r ftperrorsr r r )r rH r r{ r\ rL r' r: r r r rO r r r r r r ri r r rj r rL rL rM open_ftp sj zURLopener.open_ftpc C s: t |tstdz|dd\}}W n tyB tddY n0 |sLd}|d}|dkrd ||d vr||d d }|d | }nd }g }|d t d t t |d| |dkrt | dd}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 Nrs zDate: %sz%a, %d %b %Y %H:%M:%S GMTzContent-type: %sr6 r2 zlatin-1zContent-Length: %d )r r r ra rB rr rfindrb r strftimegmtimer6 r r8 r9 r re r r r r StringIOr ) r rH rI r Zsemir r rj frL rL rM open_data0 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* r6 r: r< r9 r rC r@ rA rC r rI rQ rL rL rL rM r8 s. $ A\ :r8 c @ s e Zd ZdZdd Zdd Zd#ddZd d Zd$d d Zd%d dZ d&ddZ d'ddZ d(ddZ d)ddZ d*ddZd+ddZd,d d Zd-d d Zd!d" ZdS ).r9 z?Derived class with handlers for errors we can handle (perhaps).c O s. t j| g|R i | i | _d| _d| _d S )Nr r )r8 r auth_cachetriesmaxtriesrR rL rL rM r ] s zFancyURLopener.__init__c C s t ||d| |S )z3Default error handling -- don't raise an exception.r7 )r r? rL rL rM r c s z!FancyURLopener.http_error_defaultNc C s~ | j d7 _ zb| jrR| j | jkrRt| dr4| j}n| j}|||dd|W d| _ S | ||||||}|W d| _ S d| _ 0 dS )z%Error 302 -- relocated (temporarily).rV http_error_500r z)Internal Server Error: Redirect Recursionr N)rS rT r rU r redirect_internal) r rH ri r= r> rj rI r rl rL rL rM r g s& z FancyURLopener.http_error_302c C sx d|v r|d }nd|v r$|d }nd S | t| jd | |}t|}|jdvrnt|||d| ||| |S )Nr r r r z( Redirection to url '%s' is not allowed.)r r r r r r rG ) r rH ri r= r> rj rI r r rL rL rM rV y s z FancyURLopener.redirect_internalc C s | ||||||S )z*Error 301 -- also relocated (permanently).r r rH ri r= r> rj rI rL rL rM r s z FancyURLopener.http_error_301c C s | ||||||S )z;Error 303 -- also relocated (essentially identical to 302).rW rX rL rL rM r s z FancyURLopener.http_error_303c C s2 |du r | ||||||S | |||||S dS )z1Error 307 -- relocated, but turn POST into error.N)r r rX rL rL rM r s z FancyURLopener.http_error_307Fc C s d|vr t | ||||| |d }td|} | sHt | ||||| | \} } | dkrtt | ||||| |st | ||||| d| j d } |du rt| | || S t| | || |S dS )z_Error 401 -- authentication required. This function supports Basic authentication only.rt ![ ]*([^ ]+)[ ]+realm="([^"]*)"re Zretry_ _basic_authNr8 r rp matchr_ ry r r r rH ri r= r> rj rI r stuffr\ r rB r` rL rL rM ru s. z FancyURLopener.http_error_401c C s d|vr t | ||||| |d }td|} | sHt | ||||| | \} } | dkrtt | ||||| |st | ||||| d| j d } |du rt| | || S t| | || |S dS )zeError 407 -- proxy authentication required. This function supports Basic authentication only.rw rY re Z retry_proxy_rZ Nr[ r] rL rL rM rx s. z FancyURLopener.http_error_407c C s t |\}}d| | }| jd }t|\}} t | \} } | dd } | | d } | | || \} } | sr| srd S dt| ddt| dd| f } d| | | jd< |d u r| |S | ||S d S )Nhttp://r r! rV %s:%s@%srs r( r r/ r r get_user_passwdr rG r rH rB rI r{ r r r" r, r- Z 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 | \} } | dd } | | d } | | || \} } | sr| srd S dt| ddt| dd| f } d| | | jd< |d u r| |S | ||S d S )Nhttps://r r! rV r` rs r( ra rc rL rL rM retry_proxy_https_basic_auth s z+FancyURLopener.retry_proxy_https_basic_authc C s t |\}}|dd }||d }| |||\}}|sD|sDd S dt|ddt|dd|f }d| | } |d u r| | S | | |S d S )Nr! rV r` rs r( r_ r r rb r rG r rH rB rI r{ r r r' r: r rL rL rM rf s z$FancyURLopener.retry_http_basic_authc C s t |\}}|dd }||d }| |||\}}|sD|sDd S dt|ddt|dd|f }d| | } |d u r| | S | | |S d S )Nr! rV r` rs r( re rg rh rL rL rM retry_https_basic_auth s z%FancyURLopener.retry_https_basic_authr c C s` |d | }|| jv r2|r(| j|= n | j| S | ||\}}|sJ|rX||f| j|< ||fS )Nr! )ry rR prompt_user_passwd)r r{ rB r r r' r: rL rL rM rb s z FancyURLopener.get_user_passwdc C sV ddl }z.td||f }| d|||f }||fW S tyP t Y dS 0 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: rE )getpassinputKeyboardInterruptprint)r r{ rB rk r' r: rL rL rM rj ! s z!FancyURLopener.prompt_user_passwd)N)N)N)N)NF)NF)N)N)N)N)r )r r r r r r r rV r r r ru rx rd rf rf ri rb rj rL rL rL rM r9 Z s( r9 c C s t du rtda t S )z8Return the IP address of the magic hostname 'localhost'.Nr ) _localhostr r rL rL rL rM r 1 s r c C sN t du rJzttt d a W n& tjyH ttdd a Y n0 t S )z,Return the IP addresses of the current host.Nr: r ) _thishostrA r r r r rL rL rL rM rE 9 s rE c C s t du rddl} | ja t S )z1Return the set of errors raised by the FTP class.Nr ) _ftperrorsr r )r rL rL rM rH D s rH c C s t du rtda t S )z%Return an empty email Message object.Nrs ) _noheadersr r rL rL rL rM noheadersM s rs c @ sJ e Zd ZdZdddZdd 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 n0 d S ry ) r' r: r{ rL r rJ refcount keepaliveinitr )r r' r: r{ rL r rJ r rL rL rM r Z 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 connectr{ rL rJ Zloginr' r: r r cwd)r r _targetrL rL rM rv j s zftpwrapper.initc C s dd l }| |dv r"d}d}n d| }d}z| j| W n( |jyf | | j| Y n0 d }|r|sz d| }| j|\}}W nT |jy } z:t|d d dkrt d | t d W Y d }~n d }~0 0 |s| jd |rz| j } zXz| j| W n6 |jyP } zt d | |W Y d }~n d }~0 0 W | j| n| j| 0 d | }nd }| j|\}}d| _t|d | j} | jd7 _| | |fS )Nr )r r zTYPE ArV zTYPE zRETR r\ Z550r r: zLIST LISTr )r endtransferr Zvoidcmdr rv Z ntransfercmdZ error_permr r r r r pwdry rw r makefile file_closert r ) r rO r r cmdisdirr r r r} ZftpobjrL rL rM r s sJ & zftpwrapper.retrfilec C s d| _ d S ry )rw r rL rL rM r| s zftpwrapper.endtransferc C s d| _ | jdkr| d S )NFr )ru rt real_closer rL rL rM r s zftpwrapper.closec C s2 | | jd8 _| jdkr.| js.| d S )NrV r )r| rt ru r r rL rL rM r s zftpwrapper.file_closec C s0 | z| j W n t y* Y n0 d S rN )r| r r rH r rL rL rM r s zftpwrapper.real_close)NT) r r r r r rv r r| r r r rL rL rL rM r W s -r c C s i } t j D ]4\}}| }|r|dd dkr|| |dd < qdt jv rZ| 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. iN_proxyZREQUEST_METHODr )r[ environr ry r )r/ r` r rL rL rM getproxies_environment s r c C s |du rt }z |d }W n ty. Y dS 0 |dkr<dS | } t| \}}|dD ]Z}| }|rZ|d}| }||ks| |kr dS d| }||s| |rZ dS qZdS )zTest 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. NnoF*Tr .)r r ry r ra rn lstripr )r{ r/ Zno_proxyhostonlyrL r` rL rL rM proxy_bypass_environment s* r c C s6 ddl m } ddlm}m} t| \}}dd }d| vrD|d rDdS d }zt||}W n |yj Y n0 |d d D ]} | sqxtd | } | d ur |d ur || d } | d} | d u rd| d dd } nt| d d } | dk sx| dkrqxd| } || ? | | ? kr0 dS qx|| | rx dS qxdS )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|dkr8|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\ )ra r r rc re )ZipAddrrK rL rL rM ip2num s z,_proxy_bypass_macosx_sysconf.<locals>.ip2numr Zexclude_simpleTN exceptionsrL z(\d+(?:\.\d+)*)(/\d+)?rV r: r F) r ipaddressr r r rc r rp r\ groupcount) r{ proxy_settingsr r r r rL r ZhostIPr r rM maskrL rL rM _proxy_bypass_macosx_sysconf s: r c C s` ddl m } t| \} }|d}|D ]4}| }|dkrJd| vrZ dS q&|| |r& dS q&dS )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 rJ z<local>r TF)r r ra rn )r{ overrider r Zproxy_overriderN rL rL rM _proxy_bypass_winreg_override: s r darwin)_get_proxy_settings _get_proxiesc C s t }t| |S rN )r r )r{ r rL rL rM proxy_bypass_macosx_sysconfU s r c C s t S )zReturn 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_sysconfY s r c C s t }|rt| |S t| S dS )zReturn True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or from the MacOSX framework SystemConfiguration. N)r r r r{ r/ rL rL rM r5 c s r5 c C s t p t S rN )r r rL rL rL rM r5 p s r5 c C sB i } z ddl }W n ty& | Y S 0 z||jd}||dd }|rt||dd }d|vr|d|vr|d|}|dD ]J}|dd \}}t d |s|d v rd | }n|d krd| }|| |< q| d rt dd| d }| d p|| d< | dp|| d< | W n t ttfy< Y n0 | 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 rJ zhttp={0};https={0};ftp={0}rV z (?:[^/:]+)://)r r r r_ Zsockszsocks://z ^socks://z socks4://r r )winreg ImportErrorOpenKeyHKEY_CURRENT_USER QueryValueExr r ra rp r\ r rx Closerr rB r )r/ r internetSettings proxyEnableZ proxyServerpr addressrL rL rM getproxies_registryu sL r c C s t p t S )zReturn 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 z dd l }W n ty Y dS 0 z6||jd}||dd }t||dd }W n tyl Y dS 0 |rv|szdS t| |S )Nr Fr r Z ProxyOverride)r r r r r r rr r )r{ r r r Z proxyOverriderL rL rM proxy_bypass_registry s. r c C s t }|rt| |S t| S dS )zReturn True, if host should be bypassed. Checks proxy settings gathered from the environment, if specified, or the registry. N)r r r r rL rL rM r5 s )NNN)N)r r6 r r r Z http.clientr r r[ posixpathrp r r r r r^ rX r? Z urllib.errorr r r 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 ra r6 r7 rq ASCIIrw 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 rb r r. r r r* r r+ r, r- rG r` Z nturl2pathr4 r3 r$ r8 r9 ro r rp rE rq rH rr rs r r r r r platformZ_scproxyr r r r r5 r5 r r rL rL rL rM <module> s SP M ?m $q!+@ o v +3:5! @ W _ %@ 1