asda?‰PNG  IHDR ? f ??C1 sRGB ??é gAMA ±? üa pHYs ? ??o¨d GIDATx^íüL”÷e÷Y?a?("Bh?_ò???￠§?q5k?*:t0A-o??￥]VkJ￠M??f?±8\k2íll￡1]q?ù???T bisect.cpython-36.opt-2.pyc000064400000002546151027002730011407 0ustar003 \# @sVd ddZeZd ddZeZd ddZddd Zy dd lTWnek rPYnXdS)NcCsd|dkrtd|dkr t|}x2||krR||d}|||krH|}q"|d}q"W|j||dS)Nrzlo must be non-negative) ValueErrorleninsert)axlohimidr /usr/lib64/python3.6/bisect.py insort_rights     rcCsX|dkrtd|dkr t|}x2||krR||d}|||krH|}q"|d}q"W|S)Nrzlo must be non-negativerr)rr)rrr r r r r r bisect_rights     rcCsd|dkrtd|dkr t|}x2||krR||d}|||krL|d}q"|}q"W|j||dS)Nrzlo must be non-negativerr)rrr)rrr r r r r r insort_left/s    rcCsX|dkrtd|dkr t|}x2||krR||d}|||krL|d}q"|}q"W|S)Nrzlo must be non-negativerr)rr)rrr r r r r r bisect_leftCs    r)*)rN)rN)rN)rN)rZinsortrZbisectrrZ_bisect ImportErrorr r r r s     smtpd.cpython-36.opt-2.pyc000064400000057002151027002730011262 0ustar003 \@sZddlZddlZddlZddlZddlZddlZddlZddlZddlZddl m Z ddl m Z m Z dddddgZejdZd ZGd d d Zead Zd ZdZd$ddZGdddejZGdddejZGdddeZGdddeZGdddeZGdddZddZ e!dkrVe Z"e"j#Z#de#krle#j$dZ%e&e#de%e'e(dgZ)e#e%ddZ#nddl*Z)e+e)e#Z,e,e"j-e"j.fe"j/e"j0fe"j1e"j2dZ3e"j4r2y ddl5Z5Wn.e6k re7dej8d ej9dYnXe5j:d!d"Z;yej4e;Wn.ek rTYnXdS)%N)warn) get_addr_specget_angle_addr SMTPChannel SMTPServerDebuggingServer PureProxy MailmanProxyzPython SMTP proxy version 0.3c@seZdZddZddZdS)DevnullcCsdS)N)selfmsgr r /usr/lib64/python3.6/smtpd.pywritefsz Devnull.writecCsdS)Nr )r r r rflushgsz Devnull.flushN)__name__ __module__ __qualname__rrr r r rr esr  z, icCs4ttttjd|r&t|tjdtj|dS)N)file)print__doc__globalssysstderrexit)coder r r rusagepsrc@seZdZdZdZdZejefddZe ddZ e dd d fd d Z d d Z ddZe ddZejddZe ddZejddZe ddZejddZe ddZejddZe ddZejddZe dd Zejd!d Ze d"d#Zejd$d#Ze d%d&Zejd'd&Ze d(d)Zejd*d)Ze d+d,Zejd-d,Ze d.d/Zejd0d/Zd1d2Zd3d4Zd5d6Zd7d8Zd9d:Zd;d<Z d=d>Z!d?d@Z"dAdBZ#dCdDZ$dEdFZ%dGdHZ&dIdJZ'dKdLZ(dMdNZ)dOdPZ*dQdRZ+dS)SrricCs|S)Nr )xr r r|szSMTPChannel.c Cs*yt|jjStk r$|jSXdS)N)maxcommand_size_limitsvalues ValueErrorcommand_size_limit)r r r rmax_command_size_limit~sz"SMTPChannel.max_command_size_limitNFc Cstjj|||d||_||_||_||_||_||_|rF|rFt d|rdd|_ d|_ d|_ t |_nd|_ d|_ td|_ d |_|jd|_d |_|jjtj|_y|j|_Wn:tk r}z|j|jd tjkrdSd}~XnXtd t |jt!d |j"d|jt#fdS)N)mapzFdecode_data and enable_SMTPUTF8 cannot be set to True at the same timerz .s . 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try running with -n option.)rnobodyrWz3Cannot setuid "nobody"; try running with -n option.)r)?rosrFrrr@rr-rwarningsrZemail._header_value_parserrr__all__rZprogramrJr rHr9rrrr.rrrrrr rrrrrrfindZlastdot __import__rlocalsmodrruZclass_rrrrrr4proxyrpwd ImportErrorrrrgetpwnamrPermissionErrorZloopKeyboardInterruptr r r rPsv   M-SB        ssl.cpython-36.pyc000064400000107120151027002730007771 0ustar003 Owhݭ@spdZddlZddlZddlZddlZddlZddlmZddlm Z m Z m ZddlZddlmZmZmZddlmZmZmZddlmZmZmZmZmZmZddlmZmZdd lm Z m!Z!m"Z"m#Z#ydd lm$Z$Wne%k rYnXdd lm&Z&m'Z'm(Z(m)Z)m*Z*dd lm+Z+dd lm,Z,e j-de.ddedej-de.ddede j-de.ddede j-de.ddedej-de.ddede j-de.ddede/j0Z1e/_1dde/j2j3DZ4e5e/ddZ6ej7dkrdd lm8Z8m9Z9dd!l:m:Z:m;Z;mZ>m?Z?ddl@Z@ddlAZAddlBZBeCZDejEr>d#gZFngZFe+ZGGd$d%d%eHZIdRd'd(ZJd)d*ZKd+d,ZLed-d.ZMd/d0ZNGd1d2d2ed2d3ZOGd4d5d5eOe ZPGd6d7d7eZQePjRfdddd8d9d:ZSe0feTd;ePjRdddddd<d=d>ZUeSZVeUZWGd?d@d@ZXGdAdBdBe:ZYddd;eTe0ddCdCdf dDdEZZdFdGZ[dHZ\dIZ]dJdKZ^dLdMZ_e0dfdNdOZ`dPdQZadS)Sa This module provides some more Pythonic support for SSL. Object types: SSLSocket -- subtype of socket.socket which does SSL over the socket Exceptions: SSLError -- exception raised for I/O errors Functions: cert_time_to_seconds -- convert time string used for certificate notBefore and notAfter functions to integer seconds past the Epoch (the time values returned from time.time()) fetch_server_certificate (HOST, PORT) -- fetch the certificate provided by the server running on HOST at port PORT. No validation of the certificate is performed. Integer constants: SSL_ERROR_ZERO_RETURN SSL_ERROR_WANT_READ SSL_ERROR_WANT_WRITE SSL_ERROR_WANT_X509_LOOKUP SSL_ERROR_SYSCALL SSL_ERROR_SSL SSL_ERROR_WANT_CONNECT SSL_ERROR_EOF SSL_ERROR_INVALID_ERROR_CODE The following group define certificate requirements that one side is allowing/requiring from the other side: CERT_NONE - no certificates from the other side are required (or will be looked at if provided) CERT_OPTIONAL - certificates are not required, but if provided will be validated, and if validation fails, the connection will also fail CERT_REQUIRED - certificates are required, and will be validated, and if validation fails, the connection will also fail The following constants identify various SSL protocol variants: PROTOCOL_SSLv2 PROTOCOL_SSLv3 PROTOCOL_SSLv23 PROTOCOL_TLS PROTOCOL_TLS_CLIENT PROTOCOL_TLS_SERVER PROTOCOL_TLSv1 PROTOCOL_TLSv1_1 PROTOCOL_TLSv1_2 The following constants identify various SSL alert message descriptions as per http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-6 ALERT_DESCRIPTION_CLOSE_NOTIFY ALERT_DESCRIPTION_UNEXPECTED_MESSAGE ALERT_DESCRIPTION_BAD_RECORD_MAC ALERT_DESCRIPTION_RECORD_OVERFLOW ALERT_DESCRIPTION_DECOMPRESSION_FAILURE ALERT_DESCRIPTION_HANDSHAKE_FAILURE ALERT_DESCRIPTION_BAD_CERTIFICATE ALERT_DESCRIPTION_UNSUPPORTED_CERTIFICATE ALERT_DESCRIPTION_CERTIFICATE_REVOKED ALERT_DESCRIPTION_CERTIFICATE_EXPIRED ALERT_DESCRIPTION_CERTIFICATE_UNKNOWN ALERT_DESCRIPTION_ILLEGAL_PARAMETER ALERT_DESCRIPTION_UNKNOWN_CA ALERT_DESCRIPTION_ACCESS_DENIED ALERT_DESCRIPTION_DECODE_ERROR ALERT_DESCRIPTION_DECRYPT_ERROR ALERT_DESCRIPTION_PROTOCOL_VERSION ALERT_DESCRIPTION_INSUFFICIENT_SECURITY ALERT_DESCRIPTION_INTERNAL_ERROR ALERT_DESCRIPTION_USER_CANCELLED ALERT_DESCRIPTION_NO_RENEGOTIATION ALERT_DESCRIPTION_UNSUPPORTED_EXTENSION ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE ALERT_DESCRIPTION_UNRECOGNIZED_NAME ALERT_DESCRIPTION_BAD_CERTIFICATE_STATUS_RESPONSE ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY N) namedtuple)EnumIntEnumIntFlag)OPENSSL_VERSION_NUMBEROPENSSL_VERSION_INFOOPENSSL_VERSION) _SSLContext MemoryBIO SSLSession)SSLErrorSSLZeroReturnErrorSSLWantReadErrorSSLWantWriteErrorSSLSyscallError SSLEOFError)txt2objnid2obj) RAND_statusRAND_add RAND_bytesRAND_pseudo_bytes)RAND_egd)HAS_SNIHAS_ECDHHAS_NPNHAS_ALPN HAS_TLSv1_3)_DEFAULT_CIPHERS)_OPENSSL_API_VERSION _SSLMethodcCs|jdo|dkS)NZ PROTOCOL_PROTOCOL_SSLv23) startswith)namer$/usr/lib64/python3.6/ssl.py}sr&)sourceOptionscCs |jdS)NZOP_)r")r#r$r$r%r&sZAlertDescriptioncCs |jdS)NZALERT_DESCRIPTION_)r")r#r$r$r%r&sZSSLErrorNumbercCs |jdS)NZ SSL_ERROR_)r")r#r$r$r%r&s VerifyFlagscCs |jdS)NZVERIFY_)r")r#r$r$r%r&s VerifyModecCs |jdS)NZCERT_)r")r#r$r$r%r&scCsi|]\}}||qSr$r$).0r#valuer$r$r% sr-ZPROTOCOL_SSLv2win32)enum_certificates enum_crls)socketAF_INET SOCK_STREAMcreate_connection) SOL_SOCKETSO_TYPEz tls-uniquec@s eZdZdS)CertificateErrorN)__name__ __module__ __qualname__r$r$r$r%r7sr7c Csg}|s dS|jd^}}|jd}||kr|jdsx|jdr|jtj|n|jtj|j ddx|D]}|jtj|qWtj d d j |d tj }|j |S) zhMatching according to RFC 6125, section 6.4.3 http://tools.ietf.org/html/rfc6125#section-6.4.3 F.*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)splitcountr7reprlowerappendr"reescapereplacecompilejoin IGNORECASEmatch) ZdnhostnameZ max_wildcardsZpatsZleftmostZ remainderZ wildcardsZfragZpatr$r$r%_dnsname_matchs&   rKcCstj|j}||kS)zExact matching of IP addresses. 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Arguments: - group: group name or '*' - date: a date or datetime object Return: - resp: server response if successful - list: list of message ids zAthe date parameter must be a date or datetime object, not '{:40}'rIzNEWNEWS {0} {1} {2}) r)rOrrrTrrrVrxr)rr rr_rPrQrrrrnewnewsDs z_NNTPBase.newnewscCs4|dk rd|}nd}|j||\}}||j|fS)a@Process a LIST or LIST ACTIVE command. Arguments: - group_pattern: a pattern indicating which groups to query - file: Filename string or file object to store the result in Returns: - resp: server response if successful - list: list of (group, last, first, flag) (strings) Nz LIST ACTIVE ZLIST)rr)r group_patternr_commandr|rrrrrTs  z_NNTPBase.listc Cstjd}|jd|\}}|jds8|jd|\}}i}x>|D]6}|j|j}|rB|jdd\} } |sp| S| || <qBW|r||fSdSdS)Nz^(?P[^ ]+)[ ]+(.*)$zLIST NEWSGROUPS rzXGTITLE r1rIr')recompilerrBsearchstripr ) rrZ return_allline_patr|rgroupsraw_linematchr:Zdescrrr_getdescriptionscs    z_NNTPBase._getdescriptionscCs |j|dS)aGet a description for a single group. If more than one group matches ('group' is a pattern), return the first. If no group matches, return an empty string. This elides the response code from the server, since it can only be '215' or '285' (for xgtitle) anyway. If the response code is needed, use the 'descriptions' method. NOTE: This neither checks for a wildcard in 'group' nor does it check whether the group actually exists.F)r)rr rrr descriptionzs z_NNTPBase.descriptioncCs |j|dS)z'Get descriptions for a range of groups.T)r)rrrrr descriptionssz_NNTPBase.descriptionscCs|jd|}|jds t||j}d}}}t|}|dkr|d}|dkr|d}|dkr|d}|dkr|dj}|t|t|t||fS)aProcess a GROUP command. Argument: - group: the group name Returns: - resp: server response if successful - count: number of articles - first: first article number - last: last article number - name: the group name zGROUP rrr1rIrrJ)rrBrr?r7r3r@)rr:r|wordscountr"r!nrrrr s    z_NNTPBase.groupcCs |jd|S)aProcess a HELP command. 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Return as for STAT.ZLAST)r)rrrrr!sz_NNTPBase.lastcCs0|j||\}}|j|\}}}|t|||fS)z2Internal: process a HEAD, BODY or ARTICLE command.)rrr$)rr9r_r|rrr%rrr_artcmdsz_NNTPBase._artcmdcCs$|dk rdj|}nd}|j||S)a0Process a HEAD command. Argument: - message_spec: article number or message id - file: filename string or file object to store the headers in Returns: - resp: server response if successful - ArticleInfo: (article number, message id, list of header lines) NzHEAD {0}ZHEAD)rTr)rrr_rrrrheads z_NNTPBase.headcCs$|dk rdj|}nd}|j||S)a+Process a BODY command. Argument: - message_spec: article number or message id - file: filename string or file object to store the body in Returns: - resp: server response if successful - ArticleInfo: (article number, message id, list of body lines) NzBODY {0}ZBODY)rTr)rrr_rrrrbodys z_NNTPBase.bodycCs$|dk rdj|}nd}|j||S)a5Process an ARTICLE command. Argument: - message_spec: article number or message id - file: filename string or file object to store the article in Returns: - resp: server response if successful - ArticleInfo: (article number, message id, list of article lines) Nz ARTICLE {0}ZARTICLE)rTr)rrr_rrrrarticles z_NNTPBase.articlecCs |jdS)zYProcess a SLAVE command. Returns: - resp: server response if successful ZSLAVE)r)rrrrslavesz_NNTPBase.slavecsDtjd|jdj|||\}}fdd|fdd|DfS)aiProcess an XHDR command (optional server extension). 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Arguments: - message_spec: - either a message id, indicating the article to fetch information about - or a (start, end) tuple, indicating a range of article numbers; if end is None, information up to the newest message will be retrieved - or None, indicating the current article number must be used - file: Filename string or file object to store the result in Returns: - resp: server response if successful - list: list of dicts containing the response fields NOTE: the "message id" form isn't supported by XOVER ZOVERZXOVERz {0}-{1}r'Nrw)rcr)tuplerrTrrrG) rrr_rrrr|rr8rrrover(s z_NNTPBase.overc Csjtjdtdtjd}|jd||\}}g}x0|D](}|j|j}|r6|j|j ddq6W||fS)zProcess an XGTITLE command (optional server extension) Arguments: - group: group name wildcard (i.e. news.*) Returns: - resp: server response if successful - list: list of (name,title) stringszFThe XGTITLE extension is not actively used, use descriptions() insteadrIz^([^ ]+)[ ]+(.*)$zXGTITLE r1) warningswarnDeprecationWarningrrrrrr*r ) rr r_rr|Z raw_linesrrrrrrxgtitleCs  z_NNTPBase.xgtitlec Csjtjdtd|jdj|}|jds0t|y|j\}}Wntk r\t|Yn X||fSdS)zProcess an XPATH command (optional server extension) Arguments: - id: Message id of article Returns: resp: server response if successful path: directory path to article z(The XPATH extension is not actively usedrIz XPATH {0}Z223N) rrrrrTrBrr? 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Arguments: - message_id: message-id of the article - data: file containing the article Returns: - resp: server response if successful Note that if the server refuses the article an exception is raised.z IHAVE {0})rrT)rr%rrrrihavesz_NNTPBase.ihavecCs|jj|`dS)N)r_r)rrrrrqs z_NNTPBase._closec Csz|jd}Wd|jX|S)zdProcess a QUIT command and close the socket. Returns: - resp: server response if successfulZQUITN)rrq)rr|rrrrns z_NNTPBase.quitc Cs|jrtd| r"| r"tdy>|r^| r^ddl}|j}|j|j}|r^|d}|d}Wntk rtYnX|s~dS|jd|}|jdr|st|n |jd|}|jdst |d|_ |j |j rd |j kr|j d|_ |j dS) NzAlready logged in.z7At least one of `user` and `usenetrc` must be specifiedrrIzauthinfo user Z381zauthinfo pass Z281r])rhrnetrcZauthenticatorsr^rorrBrrrcrdrerf)ruserpasswordusenetrcrZ credentialsZauthr|rrrlogins<       z_NNTPBase.logincCs`y|jd|_WnJtk r$Yn8tk rZ}z|jjdrHd|_nWYdd}~XnXdS)Nz mode readerZ480T)rrbrrr rBre)rerrrrfs z_NNTPBase._setreadermodecCs||jrtd|jrtd|jd}|jdrp|jjt|j||j |_|jj d|_d|_d|_ |j nt ddS) zzProcess a STARTTLS command. Arguments: - context: SSL context to use for the encrypted connection zTLS is already enabled.z+TLS cannot be started after authentication.STARTTLSZ382rwbTNzTLS failed to start.)rgrrhrrBr_rrZrXr^makefilercrdr)rrYr|rrrstarttlss    z_NNTPBase.starttls)T)N)N)N)N)N)N)N)N)N)NNT)N)9rrrrrrr rkrrrurdrdebugrrrrarrrrrrryrrrrrrr rrrrrr!rrrrrrrrrrrrrrrqrnrrf _have_sslrrrrrr[(sj .    .         ) r[c@s*eZdZeddddefddZddZdS)rNFc Cs||_||_tj||f||_d}y8|jjd}tj||||||sJ|rX|j|||Wn$|rn|j |jj YnXdS)a,Initialize an instance. Arguments: - host: hostname to connect to - port: port to connect to (default the standard NNTP port) - user: username to authenticate with - password: password to use with username - readermode: if true, send 'mode reader' command after connecting. - usenetrc: allow loading username and password from ~/.netrc file if not specified explicitly - timeout: timeout (in seconds) used for socket connections readermode is sometimes necessary if you are connecting to an NNTP server on the local machine and intend to call reader-specific commands, such as `group'. If you get unexpected NNTPPermanentErrors, you might need to set readermode. Nr) r^portsocketcreate_connectionrXrr[r rr) rr^rrrrirrjr_rrrr s   z NNTP.__init__c Cs ztj|Wd|jjXdS)N)r[rqrXr)rrrrrq!sz NNTP._close)rrr NNTP_PORTrr rqrrrrrs "c@s,eZdZedddddefddZddZdS)NNTP_SSLNFc Cstj||f||_d} yJt|j|||_|jjd} tj|| |||d|sP|r^|j|||Wn$| rt| j|jjYnXdS)zThis works identically to NNTP.__init__, except for the change in default port and the `ssl_context` argument for SSL connections. Nr)rirj) rrrXrZrr[r rr) rr^rrrZ ssl_contextrirrjr_rrrr +s    zNNTP_SSL.__init__c Cs ztj|Wd|jjXdS)N)r[rqrXr)rrrrrqAszNNTP_SSL._close)rrr NNTP_SSL_PORTrr rqrrrrr)s  r__main__zJ nntplib built-in demo - display the latest articles in a newsgroup)rz-gz--groupzgmane.comp.python.generalz3group to fetch messages from (default: %(default)s))defaultrz-sz--serverznews.gmane.orgz+NNTP server hostname (default: %(default)s)z-pz--portr1z#NNTP port number (default: %s / %s))rtyperz-nz --nb-articles z2number of articles to fetch (default: %(default)s)z-Sz--ssl store_truezuse NNTP over SSL)actionrr)r^rrZGroupZhaszarticles, rangeZtocCs$t||kr |d|dd}|S)NrJz...)r7)sZlimrrrcutls rs&          X-             pickletools.cpython-36.opt-1.pyc000064400000177223151027002730012472 0ustar003 \fI@s dZddlZddlZddlZddlZddlZdddgZejZdZdZ dZ dZ dZ Gd d d e Zdd lmZddZeddeddZddZeddeddZddZedd eddZddZedd eddZdd Zed!d"ed#dZdd%d&Zed'eed(dZd)d*Zed+eed,dZd-d.Z ed/ee d0dZ!d1d2Z"ed3e e"d4dZ#d5d6Z$ed7e e$d8dZ%d9d:Z&ed;e e&ddZ'd?d@Z(edAe e(dBdZ)dCdDZ*edEe e*dFdZ+dGdHZ,edIee,dJdZ-dKdLZ.edMe e.dNdZ/dOdPZ0edQe e0dRdZ1dSdTZ2edUe e2dVdZ3dWdXZ4dYdZZ5ed[ee4d\dZ6ed]ee5d^dZ7d_d`Z8edaee8dbdZ9dcddZ:eded"e:dfdZ;ddglmdldmZ?edne e?dodZ@Gdpdqdqe ZAeAdreBdsdtZCZDeAdueBeEfdvdtZFeAdweEdxdtZGeAdyeHdzdtZIeAd{eJeKfd|dtZLZMeAd}eJd~dtZNeAdeKddtZOeAdePdddtZQeAdeRddtZSeAdeTddtZUeAdeVddtZWeAdeXddtZYeAdeXddtZZeAde ddtZ[eAdeAddtZ\eAdeAddtZ]Gddde Z^e^Z_e_dde6geFgddde_ddegeCgddde_ddegeCgddde_ddegeCgddde_dde7geCgddde_dde>geCgddde_dde@geCgddde_ddegeLgddde_dde%geLgddde_dde#geLgddde_dde)geNgddde_dde'geNgddde_dde+geNgd dde_dddgeQgddde_dddgeGgddde_dddgeGgddde_dde-geOgddde_dde/geOgd dde_dde1geOgddde_dde3geOgd dde_dde9geIgddde_dde;geIgddde_dddgeUgddde_dddeUe[geUgddde_dddeUe\e]geUgddde_ddde\e]geUgddde_dddgeSgddde_ddde\e]geSgddde_ddde[geSgddde_ddde[e[geSgddde_ddde[e[e[geSgddde_dddgeWgddde_ddde\e]geWgddde_dddeWe[e[geWgddde_dddeWe\e]geWgddde_dddgeYgd dde_dddeYe\e]geYgd dde_ddde\e]geZgd dde_dd de[ggdd de_d d de[ge[e[gdd de_dddge\gddde_ddde\e]ggddde_dde6ge[gddde_ddege[gddde_ddege[gddde_dde6ggddde_d d!eggdd"de_d#d$eggdd%de_d&d'de[ge[gd d(de_d)d*ege[gdd+de_d,d-ege[gdd.de_d/d0ege[gdd1de_d2d3e!ge[gdd4de_d5d6deOeOge[gd d7de_d8d9de[e[ge[gdd:de_d;dd?e!e\e]ge[gdd@de_dAdBde\e[e]ge[gddCde_dDdEde[e[ge[gddFde_dGdHde[e[e[ge[gd dIde_dJdKeggddLde_dMdNde[ggddOde_dPdQeggd dRde_dSdTege[gddUde_dVdWde[ge[gddXdgAZ`[_iZaiZbxzece`D]n\ZdZeeejfeak regdYeejfeaeejfedfeejhebk regdZeejhebeejhedfedeaeejf<edebeejh< qW[a[b[d[eiZixe`D]Zeeeeieejh< qW[edd\d]Zjej[jdd^d_Zkd`dZldadZmddbdZnGdcddddZodeZpdfZqepeqdgZrdhdiZsetdjk rddluZueujvdkdlZwewjxdmeujydndodpdqewjxdrdsejzeujydtdudvewjxdwdxdydzd{ewjxd|d}d eBd~dvewjxdddydd{ewjxdddddewjxdddydd{ewjxddydd{ewj{Z|e|j} resne|j~ rdndZ~e|j sewjnee|jdk r*ene|jde|jde|je~nZe|j r6indZxHe|jD]>Ze|jjejfdZe|jjedenee|jee|je~ qBWdS(ar"Executable documentation" for the pickle module. Extensive comments about the pickle protocols and pickle-machine opcodes can be found here. Some functions meant for external use: genops(pickle) Generate all the opcodes in a pickle, as (opcode, arg, position) triples. dis(pickle, out=None, memo=None, indentlevel=4) Print a symbolic disassembly of a pickle. Ndisgenopsoptimizec@seZdZdZddZdS) ArgumentDescriptornamenreaderdoccCs||_||_||_||_dS)N)r r r r)selfr r r rr#/usr/lib64/python3.6/pickletools.py__init__szArgumentDescriptor.__init__N)r r r r)__name__ __module__ __qualname__ __slots__rrrrrr s r )unpackcCs"|jd}|r|dStddS)zG >>> import io >>> read_uint1(io.BytesIO(b'\xff')) 255 rrz'not enough data in stream to read uint1N)read ValueError)fdatarrr read_uint1s ruint1zOne-byte unsigned integer.)r r r rcCs0|jd}t|dkr$td|dStddS)z >>> import io >>> read_uint2(io.BytesIO(b'\xff\x00')) 255 >>> read_uint2(io.BytesIO(b'\xff\xff')) 65535 rz>> import io >>> read_int4(io.BytesIO(b'\xff\x00\x00\x00')) 255 >>> read_int4(io.BytesIO(b'\x00\x00\x00\x80')) == -(2**31) True rz>> import io >>> read_uint4(io.BytesIO(b'\xff\x00\x00\x00')) 255 >>> read_uint4(io.BytesIO(b'\x00\x00\x00\x80')) == 2**31 True rz>> import io >>> read_uint8(io.BytesIO(b'\xff\x00\x00\x00\x00\x00\x00\x00')) 255 >>> read_uint8(io.BytesIO(b'\xff' * 8)) == 2**64-1 True z>> import io >>> read_stringnl(io.BytesIO(b"'abcd'\nefg\n")) 'abcd' >>> read_stringnl(io.BytesIO(b"\n")) Traceback (most recent call last): ... ValueError: no string quotes around b'' >>> read_stringnl(io.BytesIO(b"\n"), stripquotes=False) '' >>> read_stringnl(io.BytesIO(b"''\n")) '' >>> read_stringnl(io.BytesIO(b'"abcd"')) Traceback (most recent call last): ... ValueError: no newline found when trying to read stringnl Embedded escapes are undone in the result. >>> read_stringnl(io.BytesIO(br"'a\n\\b\x00c\td'" + b"\n'e'")) 'a\n\\b\x00c\td'  z-no newline found when trying to read stringnlNr"'z,strinq quote %r not found at both ends of %rzno string quotes around %rrascii)r*r+r-)readlineendswithr startswithcodecs escape_decodedecode)rr3 stripquotesrqrrr read_stringnl;s         r6stringnlzA newline-terminated string. This is a repr-style string, with embedded escapes, and bracketing quotes. cCs t|ddS)NF)r4)r6)rrrrread_stringnl_noescapetsr8stringnl_noescapeaA newline-terminated string. This is a str-style string, without embedded escapes, or bracketing quotes. It should consist solely of printable ASCII characters. cCsdt|t|fS)zp >>> import io >>> read_stringnl_noescape_pair(io.BytesIO(b"Queue\nEmpty\njunk")) 'Queue Empty' z%s %s)r8)rrrrread_stringnl_noescape_pairsr:stringnl_noescape_pairaA pair of newline-terminated strings. These are str-style strings, without embedded escapes, or bracketing quotes. They should consist solely of printable ASCII characters. The pair is returned as a single string, with a single blank separating the two strings. cCs@t|}|j|}t||kr(|jdStd|t|fdS)z >>> import io >>> read_string1(io.BytesIO(b"\x00")) '' >>> read_string1(io.BytesIO(b"\x03abcdef")) 'abc' zlatin-1z2expected %d bytes in a string1, but only %d remainN)rrrr3r)rr rrrr read_string1s    r<string1zA counted string. The first argument is a 1-byte unsigned int giving the number of bytes in the string, and the second argument is that many bytes. cCsTt|}|dkrtd||j|}t||kr<|jdStd|t|fdS)aP >>> import io >>> read_string4(io.BytesIO(b"\x00\x00\x00\x00abc")) '' >>> read_string4(io.BytesIO(b"\x03\x00\x00\x00abcdef")) 'abc' >>> read_string4(io.BytesIO(b"\x00\x00\x00\x03abcdef")) Traceback (most recent call last): ... ValueError: expected 50331648 bytes in a string4, but only 6 remain rzstring4 byte count < 0: %dzlatin-1z2expected %d bytes in a string4, but only %d remainN)r"rrrr3)rr rrrr read_string4s     r>string4zA counted string. The first argument is a 4-byte little-endian signed int giving the number of bytes in the string, and the second argument is that many bytes. cCs:t|}|j|}t||kr"|Std|t|fdS)z >>> import io >>> read_bytes1(io.BytesIO(b"\x00")) b'' >>> read_bytes1(io.BytesIO(b"\x03abcdef")) b'abc' z1expected %d bytes in a bytes1, but only %d remainN)rrrr)rr rrrr read_bytes1s   r@bytes1zA counted bytes string. The first argument is a 1-byte unsigned int giving the number of bytes in the string, and the second argument is that many bytes. cCs:t|}|j|}t||kr"|Std|t|fdS)z >>> import io >>> read_bytes1(io.BytesIO(b"\x00")) b'' >>> read_bytes1(io.BytesIO(b"\x03abcdef")) b'abc' z1expected %d bytes in a bytes1, but only %d remainN)rrrr)rr rrrrr@s   zA counted bytes string. The first argument is a 1-byte unsigned int giving the number of bytes, and the second argument is that many bytes. cCsPt|}|tjkrtd||j|}t||kr8|Std|t|fdS)aN >>> import io >>> read_bytes4(io.BytesIO(b"\x00\x00\x00\x00abc")) b'' >>> read_bytes4(io.BytesIO(b"\x03\x00\x00\x00abcdef")) b'abc' >>> read_bytes4(io.BytesIO(b"\x00\x00\x00\x03abcdef")) Traceback (most recent call last): ... ValueError: expected 50331648 bytes in a bytes4, but only 6 remain z#bytes4 byte count > sys.maxsize: %dz1expected %d bytes in a bytes4, but only %d remainN)r$sysmaxsizerrr)rr rrrr read_bytes4s     rDbytes4zA counted bytes string. The first argument is a 4-byte little-endian unsigned int giving the number of bytes, and the second argument is that many bytes. cCsPt|}|tjkrtd||j|}t||kr8|Std|t|fdS)a >>> import io, struct, sys >>> read_bytes8(io.BytesIO(b"\x00\x00\x00\x00\x00\x00\x00\x00abc")) b'' >>> read_bytes8(io.BytesIO(b"\x03\x00\x00\x00\x00\x00\x00\x00abcdef")) b'abc' >>> bigsize8 = struct.pack(">> read_bytes8(io.BytesIO(bigsize8 + b"abcdef")) #doctest: +ELLIPSIS Traceback (most recent call last): ... ValueError: expected ... bytes in a bytes8, but only 6 remain z#bytes8 byte count > sys.maxsize: %dz1expected %d bytes in a bytes8, but only %d remainN)r'rBrCrrr)rr rrrr read_bytes83s    rFbytes8zA counted bytes string. The first argument is an 8-byte little-endian unsigned int giving the number of bytes, and the second argument is that many bytes. cCs0|j}|jdstd|dd}t|dS)zm >>> import io >>> read_unicodestringnl(io.BytesIO(b"abc\\uabcd\njunk")) == 'abc\uabcd' True r)z4no newline found when trying to read unicodestringnlNrzraw-unicode-escaper-)r.r/rstr)rrrrrread_unicodestringnlUs   rIunicodestringnlzA newline-terminated Unicode string. This is raw-unicode-escape encoded, so consists of printable ASCII characters, and may contain embedded escape sequences. cCsBt|}|j|}t||kr*t|ddStd|t|fdS)a >>> import io >>> s = 'abcd\uabcd' >>> enc = s.encode('utf-8') >>> enc b'abcd\xea\xaf\x8d' >>> n = bytes([len(enc)]) # little-endian 1-byte length >>> t = read_unicodestring1(io.BytesIO(n + enc + b'junk')) >>> s == t True >>> read_unicodestring1(io.BytesIO(n + enc[:-1])) Traceback (most recent call last): ... ValueError: expected 7 bytes in a unicodestring1, but only 6 remain zutf-8 surrogatepassz9expected %d bytes in a unicodestring1, but only %d remainN)rrrrHr)rr rrrrread_unicodestring1os    rLunicodestring1aAA counted Unicode string. The first argument is a 1-byte little-endian signed int giving the number of bytes in the string, and the second argument-- the UTF-8 encoding of the Unicode string -- contains that many bytes. cCsXt|}|tjkrtd||j|}t||kr@t|ddStd|t|fdS)a >>> import io >>> s = 'abcd\uabcd' >>> enc = s.encode('utf-8') >>> enc b'abcd\xea\xaf\x8d' >>> n = bytes([len(enc), 0, 0, 0]) # little-endian 4-byte length >>> t = read_unicodestring4(io.BytesIO(n + enc + b'junk')) >>> s == t True >>> read_unicodestring4(io.BytesIO(n + enc[:-1])) Traceback (most recent call last): ... ValueError: expected 7 bytes in a unicodestring4, but only 6 remain z+unicodestring4 byte count > sys.maxsize: %dzutf-8rKz9expected %d bytes in a unicodestring4, but only %d remainN)r$rBrCrrrrH)rr rrrrread_unicodestring4s     rNunicodestring4aAA counted Unicode string. The first argument is a 4-byte little-endian signed int giving the number of bytes in the string, and the second argument-- the UTF-8 encoding of the Unicode string -- contains that many bytes. cCsXt|}|tjkrtd||j|}t||kr@t|ddStd|t|fdS)a >>> import io >>> s = 'abcd\uabcd' >>> enc = s.encode('utf-8') >>> enc b'abcd\xea\xaf\x8d' >>> n = bytes([len(enc)]) + b'\0' * 7 # little-endian 8-byte length >>> t = read_unicodestring8(io.BytesIO(n + enc + b'junk')) >>> s == t True >>> read_unicodestring8(io.BytesIO(n + enc[:-1])) Traceback (most recent call last): ... ValueError: expected 7 bytes in a unicodestring8, but only 6 remain z+unicodestring8 byte count > sys.maxsize: %dzutf-8rKz9expected %d bytes in a unicodestring8, but only %d remainN)r'rBrCrrrrH)rr rrrrread_unicodestring8s     rPunicodestring8aBA counted Unicode string. The first argument is an 8-byte little-endian signed int giving the number of bytes in the string, and the second argument-- the UTF-8 encoding of the Unicode string -- contains that many bytes. cCs.t|ddd}|dkrdS|dkr&dSt|S)z >>> import io >>> read_decimalnl_short(io.BytesIO(b"1234\n56")) 1234 >>> read_decimalnl_short(io.BytesIO(b"1234L\n56")) Traceback (most recent call last): ... ValueError: invalid literal for int() with base 10: b'1234L' F)r3r4s00s01T)r6int)rsrrrread_decimalnl_shorts rTcCs2t|ddd}|dddkr*|dd}t|S)z >>> import io >>> read_decimalnl_long(io.BytesIO(b"1234L\n56")) 1234 >>> read_decimalnl_long(io.BytesIO(b"123456789012345678901234L\n6")) 123456789012345678901234 F)r3r4rNLr-r-)r6rR)rrSrrrread_decimalnl_longs  rVdecimalnl_shortaA newline-terminated decimal integer literal. This never has a trailing 'L', and the integer fit in a short Python int on the box where the pickle was written -- but there's no guarantee it will fit in a short Python int on the box where the pickle is read. decimalnl_longzA newline-terminated decimal integer literal. This has a trailing 'L', and can represent integers of any size. cCst|ddd}t|S)zO >>> import io >>> read_floatnl(io.BytesIO(b"-1.25\n6")) -1.25 F)r3r4)r6float)rrSrrr read_floatnl'srZfloatnlaA newline-terminated decimal floating literal. In general this requires 17 significant digits for roundtrip identity, and pickling then unpickling infinities, NaNs, and minus zero doesn't work across boxes, or on some boxes even on itself (e.g., Windows can't read the strings it produces for infinities or NaNs). cCs0|jd}t|dkr$td|dStddS)z >>> import io, struct >>> raw = struct.pack(">d", -1.25) >>> raw b'\xbf\xf4\x00\x00\x00\x00\x00\x00' >>> read_float8(io.BytesIO(raw + b"\n")) -1.25 r&z>drz(not enough data in stream to read float8N)rrrr)rrrrr read_float8=s  r\float8aAn 8-byte binary representation of a float, big-endian. The format is unique to Python, and shared with the struct module (format string '>d') "in theory" (the struct and pickle implementations don't share the code -- they should). It's strongly related to the IEEE-754 double format, and, in normal cases, is in fact identical to the big-endian 754 double format. On other boxes the dynamic range is limited to that of a 754 double, and "add a half and chop" rounding is used to reduce the precision to 53 bits. However, even on a 754 box, infinities, NaNs, and minus zero may not be handled correctly (may not survive roundtrip pickling intact). ) decode_longcCs.t|}|j|}t||kr&tdt|S)a+ >>> import io >>> read_long1(io.BytesIO(b"\x00")) 0 >>> read_long1(io.BytesIO(b"\x02\xff\x00")) 255 >>> read_long1(io.BytesIO(b"\x02\xff\x7f")) 32767 >>> read_long1(io.BytesIO(b"\x02\x00\xff")) -256 >>> read_long1(io.BytesIO(b"\x02\x00\x80")) -32768 z'not enough data in stream to read long1)rrrrr^)rr rrrr read_long1cs   r_long1aA binary long, little-endian, using 1-byte size. This first reads one byte as an unsigned size, then reads that many bytes and interprets them as a little-endian 2's-complement long. If the size is 0, that's taken as a shortcut for the long 0L. cCsBt|}|dkrtd||j|}t||kr:tdt|S)ag >>> import io >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\xff\x00")) 255 >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\xff\x7f")) 32767 >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\x00\xff")) -256 >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\x00\x80")) -32768 >>> read_long1(io.BytesIO(b"\x00\x00\x00\x00")) 0 rzlong4 byte count < 0: %dz'not enough data in stream to read long4)r"rrrr^)rr rrrr read_long4s   ralong4aA binary representation of a long, little-endian. This first reads four bytes as a signed size (but requires the size to be >= 0), then reads that many bytes and interprets them as a little-endian 2's-complement long. If the size is 0, that's taken as a shortcut for the int 0, although LONG1 should really be used then instead (and in any case where # of bytes < 256). c@s eZdZd ZddZddZdS) StackObjectr obtypercCs.||_t|trx |D]}qW||_||_dS)N)r isinstancetuplerdr)rr rdrZ containedrrrrs   zStackObject.__init__cCs|jS)N)r )rrrr__repr__szStackObject.__repr__N)r rdr)rrrrrrgrrrrrcs  rcrRzA Python integer object.)r rdrZ int_or_boolz#A Python integer or boolean object.boolzA Python boolean object.rYzA Python float object.Z bytes_or_strz*A Python bytes or (Unicode) string object.byteszA Python bytes object.rHz!A Python (Unicode) string object.NonezThe Python None object.rfzA Python tuple object.listzA Python list object.dictzA Python dict object.setzA Python set object. frozensetzA Python frozenset object.anyzAny kind of object whatsoever.Zmarkaz'The mark' is a unique object. Opcodes that operate on a variable number of objects generally don't embed the count of objects in the opcode, or pull it off the stack. Instead the MARK opcode is used to push a special marker object on the stack, and then some other opcodes grab all the objects from the top of the stack down to (but not including) the topmost marker object. stacksliceaAn object representing a contiguous slice of the stack. This is used in conjunction with markobject, to represent all of the stack following the topmost markobject. For example, the POP_MARK opcode changes the stack from [..., markobject, stackslice] to [...] No matter how many object are on the stack after the topmost markobject, POP_MARK gets rid of all of them (including the topmost markobject too). c@seZdZd Zdd Zd S) OpcodeInfor codearg stack_before stack_afterprotorc CsJ||_||_||_x |D]}qW||_x |D]}q,W||_||_||_dS)N)r rrrsrtrurvr) rr rrrsrtrurvrxrrrrTs  zOpcodeInfo.__init__N)r rrrsrtrurvr)rrrrrrrrrrq5srqZINTIaPush an integer or bool. The argument is a newline-terminated decimal literal string. The intent may have been that this always fit in a short Python int, but INT can be generated in pickles written on a 64-bit box that require a Python long on a 32-bit box. The difference between this and LONG then is that INT skips a trailing 'L', and produces a short int whenever possible. Another difference is due to that, when bool was introduced as a distinct type in 2.3, builtin names True and False were also added to 2.2.2, mapping to ints 1 and 0. For compatibility in both directions, True gets pickled as INT + "I01\n", and False as INT + "I00\n". Leading zeroes are never produced for a genuine integer. The 2.3 (and later) unpicklers special-case these and return bool instead; earlier unpicklers ignore the leading "0" and return the int. )r rrrsrtrurvrZBININTJa1Push a four-byte signed integer. This handles the full range of Python (short) integers on a 32-bit box, directly as binary bytes (1 for the opcode and 4 for the integer). If the integer is non-negative and fits in 1 or 2 bytes, pickling via BININT1 or BININT2 saves space. ZBININT1KzPush a one-byte unsigned integer. This is a space optimization for pickling very small non-negative ints, in range(256). ZBININT2MzPush a two-byte unsigned integer. This is a space optimization for pickling small positive ints, in range(256, 2**16). Integers in range(256) can also be pickled via BININT2, but BININT1 instead saves a byte. ZLONGLaPush a long integer. The same as INT, except that the literal ends with 'L', and always unpickles to a Python long. There doesn't seem a real purpose to the trailing 'L'. Note that LONG takes time quadratic in the number of digits when unpickling (this is simply due to the nature of decimal->binary conversion). Proto 2 added linear-time (in C; still quadratic-time in Python) LONG1 and LONG4 opcodes. ZLONG1Šz|Long integer using one-byte length. A more efficient encoding of a Python long; the long1 encoding says it all.ZLONG4‹z~Long integer using found-byte length. A more efficient encoding of a Python long; the long4 encoding says it all.STRINGSaPush a Python string object. The argument is a repr-style string, with bracketing quote characters, and perhaps embedded escapes. The argument extends until the next newline character. These are usually decoded into a str instance using the encoding given to the Unpickler constructor. or the default, 'ASCII'. If the encoding given was 'bytes' however, they will be decoded as bytes object instead. Z BINSTRINGTaPush a Python string object. There are two arguments: the first is a 4-byte little-endian signed int giving the number of bytes in the string, and the second is that many bytes, which are taken literally as the string content. These are usually decoded into a str instance using the encoding given to the Unpickler constructor. or the default, 'ASCII'. If the encoding given was 'bytes' however, they will be decoded as bytes object instead. ZSHORT_BINSTRINGUaPush a Python string object. There are two arguments: the first is a 1-byte unsigned int giving the number of bytes in the string, and the second is that many bytes, which are taken literally as the string content. These are usually decoded into a str instance using the encoding given to the Unpickler constructor. or the default, 'ASCII'. If the encoding given was 'bytes' however, they will be decoded as bytes object instead. ZBINBYTESBzPush a Python bytes object. There are two arguments: the first is a 4-byte little-endian unsigned int giving the number of bytes, and the second is that many bytes, which are taken literally as the bytes content. ZSHORT_BINBYTESCzPush a Python bytes object. There are two arguments: the first is a 1-byte unsigned int giving the number of bytes, and the second is that many bytes, which are taken literally as the string content. Z BINBYTES8ŽzPush a Python bytes object. There are two arguments: the first is an 8-byte unsigned int giving the number of bytes in the string, and the second is that many bytes, which are taken literally as the string content. ZNONENzPush None on the stack.ZNEWTRUEˆzPush True onto the stack.ZNEWFALSE‰zPush False onto the stack.UNICODEVzPush a Python Unicode string object. The argument is a raw-unicode-escape encoding of a Unicode string, and so may contain embedded escape sequences. The argument extends until the next newline character. ZSHORT_BINUNICODEŒaPush a Python Unicode string object. There are two arguments: the first is a 1-byte little-endian signed int giving the number of bytes in the string. The second is that many bytes, and is the UTF-8 encoding of the Unicode string. Z BINUNICODEXaPush a Python Unicode string object. There are two arguments: the first is a 4-byte little-endian unsigned int giving the number of bytes in the string. The second is that many bytes, and is the UTF-8 encoding of the Unicode string. Z BINUNICODE8aPush a Python Unicode string object. There are two arguments: the first is an 8-byte little-endian signed int giving the number of bytes in the string. The second is that many bytes, and is the UTF-8 encoding of the Unicode string. ZFLOATFaNewline-terminated decimal float literal. The argument is repr(a_float), and in general requires 17 significant digits for roundtrip conversion to be an identity (this is so for IEEE-754 double precision values, which is what Python float maps to on most boxes). In general, FLOAT cannot be used to transport infinities, NaNs, or minus zero across boxes (or even on a single box, if the platform C library can't read the strings it produces for such things -- Windows is like that), but may do less damage than BINFLOAT on boxes with greater precision or dynamic range than IEEE-754 double. ZBINFLOATGaFloat stored in binary form, with 8 bytes of data. This generally requires less than half the space of FLOAT encoding. In general, BINFLOAT cannot be used to transport infinities, NaNs, or minus zero, raises an exception if the exponent exceeds the range of an IEEE-754 double, and retains no more than 53 bits of precision (if there are more than that, "add a half and chop" rounding is used to cut it back to 53 significant bits). Z EMPTY_LIST]zPush an empty list.ZAPPENDazAppend an object to a list. Stack before: ... pylist anyobject Stack after: ... pylist+[anyobject] although pylist is really extended in-place. ZAPPENDSezExtend a list by a slice of stack objects. Stack before: ... pylist markobject stackslice Stack after: ... pylist+stackslice although pylist is really extended in-place. ZLISTlasBuild a list out of the topmost stack slice, after markobject. All the stack entries following the topmost markobject are placed into a single Python list, which single list object replaces all of the stack from the topmost markobject onward. For example, Stack before: ... markobject 1 2 3 'abc' Stack after: ... [1, 2, 3, 'abc'] Z EMPTY_TUPLE)zPush an empty tuple.ZTUPLEtavBuild a tuple out of the topmost stack slice, after markobject. All the stack entries following the topmost markobject are placed into a single Python tuple, which single tuple object replaces all of the stack from the topmost markobject onward. For example, Stack before: ... markobject 1 2 3 'abc' Stack after: ... (1, 2, 3, 'abc') ZTUPLE1…zBuild a one-tuple out of the topmost item on the stack. This code pops one value off the stack and pushes a tuple of length 1 whose one item is that value back onto it. In other words: stack[-1] = tuple(stack[-1:]) ZTUPLE2†aBuild a two-tuple out of the top two items on the stack. This code pops two values off the stack and pushes a tuple of length 2 whose items are those values back onto it. In other words: stack[-2:] = [tuple(stack[-2:])] ZTUPLE3‡aBuild a three-tuple out of the top three items on the stack. This code pops three values off the stack and pushes a tuple of length 3 whose items are those values back onto it. In other words: stack[-3:] = [tuple(stack[-3:])] Z EMPTY_DICT}zPush an empty dict.ZDICTdaBuild a dict out of the topmost stack slice, after markobject. All the stack entries following the topmost markobject are placed into a single Python dict, which single dict object replaces all of the stack from the topmost markobject onward. The stack slice alternates key, value, key, value, .... For example, Stack before: ... markobject 1 2 3 'abc' Stack after: ... {1: 2, 3: 'abc'} ZSETITEMrSzAdd a key+value pair to an existing dict. Stack before: ... pydict key value Stack after: ... pydict where pydict has been modified via pydict[key] = value. ZSETITEMSua\Add an arbitrary number of key+value pairs to an existing dict. The slice of the stack following the topmost markobject is taken as an alternating sequence of keys and values, added to the dict immediately under the topmost markobject. Everything at and after the topmost markobject is popped, leaving the mutated dict at the top of the stack. Stack before: ... pydict markobject key_1 value_1 ... key_n value_n Stack after: ... pydict where pydict has been modified via pydict[key_i] = value_i for i in 1, 2, ..., n, and in that order. Z EMPTY_SETzPush an empty set.ZADDITEMSa$Add an arbitrary number of items to an existing set. The slice of the stack following the topmost markobject is taken as a sequence of items, added to the set immediately under the topmost markobject. Everything at and after the topmost markobject is popped, leaving the mutated set at the top of the stack. Stack before: ... pyset markobject item_1 ... item_n Stack after: ... pyset where pyset has been modified via pyset.add(item_i) = item_i for i in 1, 2, ..., n, and in that order. Z FROZENSET‘azBuild a frozenset out of the topmost slice, after markobject. All the stack entries following the topmost markobject are placed into a single Python frozenset, which single frozenset object replaces all of the stack from the topmost markobject onward. For example, Stack before: ... markobject 1 2 3 Stack after: ... frozenset({1, 2, 3}) POP0z. ZBUILDbaFinish building an object, via __setstate__ or dict update. Stack before: ... anyobject argument Stack after: ... anyobject where anyobject may have been mutated, as follows: If the object has a __setstate__ method, anyobject.__setstate__(argument) is called. Else the argument must be a dict, the object must have a __dict__, and the object is updated via anyobject.__dict__.update(argument) ZINSTiaqBuild a class instance. This is the protocol 0 version of protocol 1's OBJ opcode. INST is followed by two newline-terminated strings, giving a module and class name, just as for the GLOBAL opcode (and see GLOBAL for more details about that). self.find_class(module, name) is used to get a class object. In addition, all the objects on the stack following the topmost markobject are gathered into a tuple and popped (along with the topmost markobject), just as for the TUPLE opcode. Now it gets complicated. If all of these are true: + The argtuple is empty (markobject was at the top of the stack at the start). + The class object does not have a __getinitargs__ attribute. then we want to create an old-style class instance without invoking its __init__() method (pickle has waffled on this over the years; not calling __init__() is current wisdom). In this case, an instance of an old-style dummy class is created, and then we try to rebind its __class__ attribute to the desired class object. If this succeeds, the new instance object is pushed on the stack, and we're done. Else (the argtuple is not empty, it's not an old-style class object, or the class object does have a __getinitargs__ attribute), the code first insists that the class object have a __safe_for_unpickling__ attribute. Unlike as for the __safe_for_unpickling__ check in REDUCE, it doesn't matter whether this attribute has a true or false value, it only matters whether it exists (XXX this is a bug). If __safe_for_unpickling__ doesn't exist, UnpicklingError is raised. Else (the class object does have a __safe_for_unpickling__ attr), the class object obtained from INST's arguments is applied to the argtuple obtained from the stack, and the resulting instance object is pushed on the stack. NOTE: checks for __safe_for_unpickling__ went away in Python 2.3. NOTE: the distinction between old-style and new-style classes does not make sense in Python 3. ZOBJoaBuild a class instance. This is the protocol 1 version of protocol 0's INST opcode, and is very much like it. The major difference is that the class object is taken off the stack, allowing it to be retrieved from the memo repeatedly if several instances of the same class are created. This can be much more efficient (in both time and space) than repeatedly embedding the module and class names in INST opcodes. Unlike INST, OBJ takes no arguments from the opcode stream. Instead the class object is taken off the stack, immediately above the topmost markobject: Stack before: ... markobject classobject stackslice Stack after: ... new_instance_object As for INST, the remainder of the stack above the markobject is gathered into an argument tuple, and then the logic seems identical, except that no __safe_for_unpickling__ check is done (XXX this is a bug). See INST for the gory details. NOTE: In Python 2.3, INST and OBJ are identical except for how they get the class object. That was always the intent; the implementations had diverged for accidental reasons. ZNEWOBJaLBuild an object instance. The stack before should be thought of as containing a class object followed by an argument tuple (the tuple being the stack top). Call these cls and args. They are popped off the stack, and the value returned by cls.__new__(cls, *args) is pushed back onto the stack. Z NEWOBJ_EX’auBuild an object instance. The stack before should be thought of as containing a class object followed by an argument tuple and by a keyword argument dict (the dict being the stack top). Call these cls and args. They are popped off the stack, and the value returned by cls.__new__(cls, *args, *kwargs) is pushed back onto the stack. PROTO€zProtocol version indicator. For protocol 2 and above, a pickle must start with this opcode. The argument is the protocol version, an int in range(2, 256). ZSTOP.zStop the unpickling machine. Every pickle ends with this opcode. The object at the top of the stack is popped, and that's the result of unpickling. The stack should be empty then. FRAME•zIndicate the beginning of a new frame. The unpickler may use this opcode to safely prefetch data from its underlying stream. ZPERSIDPaPush an object identified by a persistent ID. The pickle module doesn't define what a persistent ID means. PERSID's argument is a newline-terminated str-style (no embedded escapes, no bracketing quote characters) string, which *is* "the persistent ID". The unpickler passes this string to self.persistent_load(). Whatever object that returns is pushed on the stack. There is no implementation of persistent_load() in Python's unpickler: it must be supplied by an unpickler subclass. Z BINPERSIDQaXPush an object identified by a persistent ID. Like PERSID, except the persistent ID is popped off the stack (instead of being a string embedded in the opcode bytestream). The persistent ID is passed to self.persistent_load(), and whatever object that returns is pushed on the stack. See PERSID for more detail. z%repeated name %r at indices %d and %dz%repeated code %r at indices %d and %dFcCstj}xtjD]}tjd|s2|rtd|qtt|}t|t  sTt |dkrj|rtd||fq|j d}||kr|rtd||f||}|j |krt d|||j f||=qt d||fqW|rd g}x(|jD]\}}|jd |j |fqWt d j|dS) Nz[A-Z][A-Z0-9_]+$z0skipping %r: it doesn't look like an opcode namerz5skipping %r: value %r doesn't look like a pickle codezlatin-1z+checking name %r w/ code %r for consistencyzBfor pickle code %r, pickle.py uses name %r but we're using name %rzPpickle.py appears to have a pickle opcode with name %r and code %r, but we don'tz=we appear to have pickle opcodes that pickle.py doesn't have:z name %r with code %r )code2opcopypickle__all__rematchprintgetattrrerirr3r ritemsappendjoin)verboserr Z picklecodermsgrrrrrassure_pickle_consistencys>         rccst|trtj|}t|dr&|j}ndd}x|}|jd}tj|j d}|dkr|dkrjt dnt d|dkrzd n||f|j dkrd}n |j j |}|r||||fVn |||fV|d kr0Pq0WdS) NtellcSsdS)Nrrrrrsz_genops..rzlatin-1z#pickle exhausted before seeing STOPz!at position %s, opcode %r unknownz .) re bytes_typesioBytesIOhasattrrrrgetr3rrsr )r yield_end_posZgetposposrropcodersrrr_genopss.         rcCst|S)axGenerate all the opcodes in a pickle. 'pickle' is a file-like object, or string, containing the pickle. Each opcode in the pickle is generated, from the current pickle position, stopping after a STOP opcode is delivered. A triple is generated for each opcode: opcode, arg, pos opcode is an OpcodeInfo record, describing the current opcode. If the opcode has an argument embedded in the pickle, arg is its decoded value, as a Python object. If the opcode doesn't have an argument, arg is None. If the pickle has a tell() method, pos was the value of pickle.tell() before reading the current opcode. If the pickle is a bytes object, it's wrapped in a BytesIO object, and the latter's tell() result is used. Else (the pickle doesn't have a tell(), and it's not obvious how to query its current position) pos is None. )r)rrrrrscCsd}d}t}i}g}d}d}xt|ddD]\}} } } d|jkr\|j| |j|| fq,|jdkrt|} |j| |j|| fq,d|jkrq,d|jkr|j|kr|j}d || <|j|| fq,|jd kr| |kr| }| dkr|| | }n|j| | fq,|j| | fq,W~tj} | j |t j | |}|d krJ|j j d} x|D]x\}} ||kr| |krtqT|j| }| || <| d 7} n&||kr|j|| }n ||| }|j j|j |qTW|j j| jS) z7Optimize a pickle string by removing unused PUT opcodesrrrrT)rrrNrrr)rmrr addrrrvrrwriterZ_PicklerZframerZ start_framingputrZ commit_frameZ end_framinggetvalue)rrrZoldidsZnewidsopcodesrvZ protoheaderrrsrZend_posidxoutZpickleroprrrrrsd                    cCsg}|dkri}d}g}d|}d} |} xt|D]\} } } | dk rZtd| d|ddt| jdd |t|| jf}t|| j}| j}| j }t|}d}t |ks| jdko|o|d!t krD|r<|j }|dkrd}nd |}x|d"t k r|j qW|j y|j t }Wnt k r8d }YnXnd } }| jd#kr| jdkrnt|}d|}n| }||krd| } n,|sd} n |d$t krd} n |d%||<n*| jd&kr| |kr|| g}nd| } | dk s|r0|ddt| j7}| dk r|dt| 7}|r0|d|7}|rz|d| t|7}t|} | dkr`|} |d| jjddd 7}t||d| rt | t||krt d|t|f|r|| d=t |kr|j| |j|q4Wtd||d|r t d|dS)'aKProduce a symbolic disassembly of a pickle. 'pickle' is a file-like object, or string, containing a (at least one) pickle. The pickle is disassembled from the current position, through the first STOP opcode encountered. Optional arg 'out' is a file-like object to which the disassembly is printed. It defaults to sys.stdout. Optional arg 'memo' is a Python dict, used as the pickle's memo. It may be mutated by dis(), if the pickle contains PUT or BINPUT opcodes. Passing the same memo object to another dis() call then allows disassembly to proceed across multiple pickles that were all created by the same pickler with the same memo. Ordinarily you don't need to worry about this. Optional arg 'indentlevel' is the number of blanks by which to indent a new MARK level. It defaults to 4. Optional arg 'annotate' if nonzero instructs dis() to add short description of the opcode on each line of disassembled output. The value given to 'annotate' must be an integer and is used as a hint for the column where annotation should start. The default value is 0, meaning no annotations. In addition to printing the disassembly, some sanity checks are made: + All embedded opcode arguments "make sense". + Explicit and implicit pop operations have enough items on the stack. + When an opcode implicitly refers to a markobject, a markobject is actually on the stack. + A memo entry isn't referenced before it's defined. + The markobject isn't stored in the memo. + A memo entry isn't redefined. Nr z%5d:)endfilez %-4s %s%srz(MARK at unknown opcode offset)z (MARK at %d)rzno MARK exists on stackrrrrz(as %d)zmemo key %r already definedz'stack is empty -- can't store into memoz"can't store markobject in the memorrrz&memo key %r has never been stored into 2r)rz3tries to pop %d items from stack with only %d itemsz highest protocol among opcodes =zstack not empty after STOP: %rr-r-r-r-)rrrrr-r-)rrr)rrreprrrrr maxrvrtru markobjectpopindexrrsplitrextend)rrmemo indentlevelannotatestackZmaxprotoZ markstackZ indentchunkZerrormsgZannocolrrsrlineZbeforeafterZnumtopopZmarkmsgZmarkposZmemo_idxrrrr% s-                    c@seZdZddZdS)_ExamplecCs ||_dS)N)value)rrrrrr sz_Example.__init__N)rrrrrrrrr sra >>> import pickle >>> x = [1, 2, (3, 4), {b'abc': "def"}] >>> pkl0 = pickle.dumps(x, 0) >>> dis(pkl0) 0: ( MARK 1: l LIST (MARK at 0) 2: p PUT 0 5: L LONG 1 9: a APPEND 10: L LONG 2 14: a APPEND 15: ( MARK 16: L LONG 3 20: L LONG 4 24: t TUPLE (MARK at 15) 25: p PUT 1 28: a APPEND 29: ( MARK 30: d DICT (MARK at 29) 31: p PUT 2 34: c GLOBAL '_codecs encode' 50: p PUT 3 53: ( MARK 54: V UNICODE 'abc' 59: p PUT 4 62: V UNICODE 'latin1' 70: p PUT 5 73: t TUPLE (MARK at 53) 74: p PUT 6 77: R REDUCE 78: p PUT 7 81: V UNICODE 'def' 86: p PUT 8 89: s SETITEM 90: a APPEND 91: . STOP highest protocol among opcodes = 0 Try again with a "binary" pickle. >>> pkl1 = pickle.dumps(x, 1) >>> dis(pkl1) 0: ] EMPTY_LIST 1: q BINPUT 0 3: ( MARK 4: K BININT1 1 6: K BININT1 2 8: ( MARK 9: K BININT1 3 11: K BININT1 4 13: t TUPLE (MARK at 8) 14: q BINPUT 1 16: } EMPTY_DICT 17: q BINPUT 2 19: c GLOBAL '_codecs encode' 35: q BINPUT 3 37: ( MARK 38: X BINUNICODE 'abc' 46: q BINPUT 4 48: X BINUNICODE 'latin1' 59: q BINPUT 5 61: t TUPLE (MARK at 37) 62: q BINPUT 6 64: R REDUCE 65: q BINPUT 7 67: X BINUNICODE 'def' 75: q BINPUT 8 77: s SETITEM 78: e APPENDS (MARK at 3) 79: . STOP highest protocol among opcodes = 1 Exercise the INST/OBJ/BUILD family. >>> import pickletools >>> dis(pickle.dumps(pickletools.dis, 0)) 0: c GLOBAL 'pickletools dis' 17: p PUT 0 20: . STOP highest protocol among opcodes = 0 >>> from pickletools import _Example >>> x = [_Example(42)] * 2 >>> dis(pickle.dumps(x, 0)) 0: ( MARK 1: l LIST (MARK at 0) 2: p PUT 0 5: c GLOBAL 'copy_reg _reconstructor' 30: p PUT 1 33: ( MARK 34: c GLOBAL 'pickletools _Example' 56: p PUT 2 59: c GLOBAL '__builtin__ object' 79: p PUT 3 82: N NONE 83: t TUPLE (MARK at 33) 84: p PUT 4 87: R REDUCE 88: p PUT 5 91: ( MARK 92: d DICT (MARK at 91) 93: p PUT 6 96: V UNICODE 'value' 103: p PUT 7 106: L LONG 42 111: s SETITEM 112: b BUILD 113: a APPEND 114: g GET 5 117: a APPEND 118: . STOP highest protocol among opcodes = 0 >>> dis(pickle.dumps(x, 1)) 0: ] EMPTY_LIST 1: q BINPUT 0 3: ( MARK 4: c GLOBAL 'copy_reg _reconstructor' 29: q BINPUT 1 31: ( MARK 32: c GLOBAL 'pickletools _Example' 54: q BINPUT 2 56: c GLOBAL '__builtin__ object' 76: q BINPUT 3 78: N NONE 79: t TUPLE (MARK at 31) 80: q BINPUT 4 82: R REDUCE 83: q BINPUT 5 85: } EMPTY_DICT 86: q BINPUT 6 88: X BINUNICODE 'value' 98: q BINPUT 7 100: K BININT1 42 102: s SETITEM 103: b BUILD 104: h BINGET 5 106: e APPENDS (MARK at 3) 107: . STOP highest protocol among opcodes = 1 Try "the canonical" recursive-object test. >>> L = [] >>> T = L, >>> L.append(T) >>> L[0] is T True >>> T[0] is L True >>> L[0][0] is L True >>> T[0][0] is T True >>> dis(pickle.dumps(L, 0)) 0: ( MARK 1: l LIST (MARK at 0) 2: p PUT 0 5: ( MARK 6: g GET 0 9: t TUPLE (MARK at 5) 10: p PUT 1 13: a APPEND 14: . STOP highest protocol among opcodes = 0 >>> dis(pickle.dumps(L, 1)) 0: ] EMPTY_LIST 1: q BINPUT 0 3: ( MARK 4: h BINGET 0 6: t TUPLE (MARK at 3) 7: q BINPUT 1 9: a APPEND 10: . STOP highest protocol among opcodes = 1 Note that, in the protocol 0 pickle of the recursive tuple, the disassembler has to emulate the stack in order to realize that the POP opcode at 16 gets rid of the MARK at 0. >>> dis(pickle.dumps(T, 0)) 0: ( MARK 1: ( MARK 2: l LIST (MARK at 1) 3: p PUT 0 6: ( MARK 7: g GET 0 10: t TUPLE (MARK at 6) 11: p PUT 1 14: a APPEND 15: 0 POP 16: 0 POP (MARK at 0) 17: g GET 1 20: . STOP highest protocol among opcodes = 0 >>> dis(pickle.dumps(T, 1)) 0: ( MARK 1: ] EMPTY_LIST 2: q BINPUT 0 4: ( MARK 5: h BINGET 0 7: t TUPLE (MARK at 4) 8: q BINPUT 1 10: a APPEND 11: 1 POP_MARK (MARK at 0) 12: h BINGET 1 14: . STOP highest protocol among opcodes = 1 Try protocol 2. >>> dis(pickle.dumps(L, 2)) 0: \x80 PROTO 2 2: ] EMPTY_LIST 3: q BINPUT 0 5: h BINGET 0 7: \x85 TUPLE1 8: q BINPUT 1 10: a APPEND 11: . STOP highest protocol among opcodes = 2 >>> dis(pickle.dumps(T, 2)) 0: \x80 PROTO 2 2: ] EMPTY_LIST 3: q BINPUT 0 5: h BINGET 0 7: \x85 TUPLE1 8: q BINPUT 1 10: a APPEND 11: 0 POP 12: h BINGET 1 14: . STOP highest protocol among opcodes = 2 Try protocol 3 with annotations: >>> dis(pickle.dumps(T, 3), annotate=1) 0: \x80 PROTO 3 Protocol version indicator. 2: ] EMPTY_LIST Push an empty list. 3: q BINPUT 0 Store the stack top into the memo. The stack is not popped. 5: h BINGET 0 Read an object from the memo and push it on the stack. 7: \x85 TUPLE1 Build a one-tuple out of the topmost item on the stack. 8: q BINPUT 1 Store the stack top into the memo. The stack is not popped. 10: a APPEND Append an object to a list. 11: 0 POP Discard the top stack item, shrinking the stack by one item. 12: h BINGET 1 Read an object from the memo and push it on the stack. 14: . STOP Stop the unpickling machine. highest protocol among opcodes = 2 a= >>> import pickle >>> import io >>> f = io.BytesIO() >>> p = pickle.Pickler(f, 2) >>> x = [1, 2, 3] >>> p.dump(x) >>> p.dump(x) >>> f.seek(0) 0 >>> memo = {} >>> dis(f, memo=memo) 0: \x80 PROTO 2 2: ] EMPTY_LIST 3: q BINPUT 0 5: ( MARK 6: K BININT1 1 8: K BININT1 2 10: K BININT1 3 12: e APPENDS (MARK at 5) 13: . STOP highest protocol among opcodes = 2 >>> dis(f, memo=memo) 14: \x80 PROTO 2 16: h BINGET 0 18: . 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Implements temporary breakpoints, ignore counts, disabling and (re)-enabling, and conditionals. Breakpoints are indexed by number through bpbynumber and by the file,line tuple using bplist. The former points to a single instance of class Breakpoint. The latter points to a list of such instances since there may be more than one breakpoint per line. rNFcCs||_d|_||_||_||_||_d|_d|_d|_t j |_ t j d7_ |j j |||f|jkr||j||fj |n|g|j||f<dS)NTrr)rbfunc_first_executable_linerlr%rKraenabledignorehitsrnextrJrpr`re)rrlr%rKrarbr r r rs zBreakpoint.__init__cCs>|j|jf}d|j|j<|j|j||j|s:|j|=dS)N)rlr%rprJrerf)rindexr r r rh s    zBreakpoint.deleteMecCs d|_dS)NT)r)rr r r enableszBreakpoint.enablecCs d|_dS)NF)r)rr r r disableszBreakpoint.disablecCs"|dkrtj}t|j|ddS)N)rl)rXstdoutr-bpformat)routr r r bpprintszBreakpoint.bpprintcCs|jr d}nd}|jr |d}n|d}d|j||j|jf}|jrT|d|jf7}|jrj|d|jf7}|jr|jdkrd }nd }|d |j|f7}|S) Nzdel zkeep zyes zno z%-4dbreakpoint %s at %s:%dz stop only if %sz ignore next %d hitsrrz" breakpoint already hit %d time%s)rKrrJrlr%rarr)rZdispZretZssr r r rs$  zBreakpoint.bpformatcCsd|j|j|jfS)Nzbreakpoint %s at %s:%s)rJrlr%)rr r r __str__6szBreakpoint.__str__)FNN)N)rr r r rrerprrhrrrrrr r r r rs   cCsN|js|j|jkrdSdS|jj|jkr,dS|js:|j|_|j|jkrJdSdS)z;Check whether we should break here because of `b.funcname`.FT)rbr%rFr7rr)br/r r r checkfuncname;s  rc Cstj||f}x|D]}|js qt||s,q|jd7_|jsf|jdkr\|jd8_qq|dfSqy)r-)ar r r rs rcCst}|jddS)Nzimport bdb; bdb.foo(10))rr)rr r r testsr)r rBrXrinspectrrr__all__r9 Exceptionrrr[rrrIrrrrr r r r s&  OZ0pipes.cpython-36.pyc000064400000017202151027002730010311 0ustar003 \"@spdZddlZddlZddlZddlmZdgZdZdZdZ dZ d Z d Z eee e e e gZ Gd ddZd d ZdS)aConversion pipeline templates. The problem: ------------ Suppose you have some data that you want to convert to another format, such as from GIF image format to PPM image format. Maybe the conversion involves several steps (e.g. piping it through compress or uuencode). Some of the conversion steps may require that their input is a disk file, others may be able to read standard input; similar for their output. The input to the entire conversion may also be read from a disk file or from an open file, and similar for its output. The module lets you construct a pipeline template by sticking one or more conversion steps together. It will take care of creating and removing temporary files if they are necessary to hold intermediate data. You can then use the template to do conversions from many different sources to many different destinations. The temporary file names used are different each time the template is used. The templates are objects so you can create templates for many different conversion steps and store them in a dictionary, for instance. Directions: ----------- To create a template: t = Template() To add a conversion step to a template: t.append(command, kind) where kind is a string of two characters: the first is '-' if the command reads its standard input or 'f' if it requires a file; the second likewise for the output. The command must be valid /bin/sh syntax. If input or output files are required, they are passed as $IN and $OUT; otherwise, it must be possible to use the command in a pipeline. To add a conversion step at the beginning: t.prepend(command, kind) To convert a file to another file using a template: sts = t.copy(infile, outfile) If infile or outfile are the empty string, standard input is read or standard output is written, respectively. The return value is the exit status of the conversion pipeline. To open a file for reading or writing through a conversion pipeline: fp = t.open(file, mode) where mode is 'r' to read the file, or 'w' to write it -- just like for the built-in function open() or for os.popen(). To create a new template object initialized to a given one: t2 = t.clone() N)quoteTemplateZffz-fzf-z--z.-z-.c@speZdZdZddZddZddZdd Zd d Zd d Z ddZ ddZ ddZ ddZ ddZddZdS)rz'Class representing a pipeline template.cCsd|_|jdS)z-Template() returns a fresh pipeline template.rN) debuggingreset)selfr/usr/lib64/python3.6/pipes.py__init__UszTemplate.__init__cCs d|jfS)z t.__repr__() implements repr(t).z