kÿa| RdZddlZddlZddlZddlZddlZddlZddlZddl m Z ddl m Z m Z mZddlZddlZddlmZmZddlmZmZddlmZmZddlmZmZmZmZmZm Z dd l!m"Z"dd l#m$Z$dd l%m&Z&dd l'm(Z(m)Z)d Z*dZ+dZ,dZ-dZ.dZ/dZ0dZ1dZ2dZ3dZ4dZ5dZ6dZ7dZ8dZ9dZ:dZ;dZd"Z?d#Z@d$ZAd%ZBd&ZCd'ZDd(ZEd)ZFd*ZGd+ZHd,ZId-ZJd.ZKd/ZLd0ZMd1ZNd2ZOd3ZPd4ZQd5ZRd6ZSd7ZTd8ZUd9ZVd:ZWd;ZXd<ZYd=ZZd>Z[d?Z\d@Z]iZ^dbdBZ_dbdCZ`dDZadEZbe`ejcdFGe`ejddFGe`ejedFGe`ejfdFGe`ej dFGe`ejgdFGe`ejhdFGdHZidIZjdJZkdKZldLZmdMZndNZodOZpdPZqdQZrdRZsedSdTZtdUZudVZvdWZdXejwfdYZwdZZcd[Zxd\Zyd]Zzd^Z{d_Z|d`Z}daZ~dS)cz This contains evaluation functions for expressions They get bound as instances-methods to the CompValue objects from parserutils using setEvalFn N)reduce)Decimal ROUND_HALF_UPInvalidOperation) CompValueExpr)XSD_DTstype_promotion)XSD_DateTime_DTsXSD_Duration_DTs)URIRefBNodeVariableLiteralXSDRDF)Node)quote) ParseResults) SPARQLErrorSPARQLTypeErrorc|j}t|tr|St|tr'|jt|St d)z7 http://www.w3.org/TR/sparql11-query/#func-iri z6IRI function only accepts URIRefs or Literals/Strings!)arg isinstancer rprologue absolutizerexprctxas A/usr/lib/python3/dist-packages/rdflib/plugins/sparql/operators.py Builtin_IRIr"&s_ A!V!W2|&&vayy111 N O OOcPtt|jtSN)rrrrrrs r!Builtin_isBLANKr'5s :dh.. / //r#cPtt|jtSr%)rrrr&s r!Builtin_isLITERALr)9s :dh00 1 11r#cPtt|jtSr%)rrrr r&s r! 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Builtin_REGEXrs $)  DT\""G JE E Ebm,sBI.>bl@STUUtx!C!C!C!CU!C!C!CDD 4 #g,,e<<== > >>r#cT t|j}t|jt|j |j}t jdd   fd}d}|r\tdt jfdt j fdt j fgttj fd|D}tjd d d krt! n|}t#t jt!||||j|j S) : http://www.w3.org/TR/sparql11-query/#func-substr z \$([0-9]*)z\\\1cbGfdd}tj|S)Nc eZdZdZfdZdS)'Builtin_REPLACE.._r.._mc,||_|j|_dSr%)ryrK)selfrys r!__init__z0Builtin_REPLACE.._r.._m.__init__sh r#c2|pdS)N)group)rnrys r!rz-Builtin_REPLACE.._r.._m.groupswwqzz'R'r#N)__name__ __module__ __qualname__rr)rysr!_mrs= ' ' ' ( ( ( ( ( ( (r#r)r_expand)ryrr replacements` r!_rzBuiltin_REPLACE.._rsT ( ( ( ( ( ( ( ( ( (z'22a55+666r#rrxrQryc<g|]}|dSr{r|r}s r!rz#Builtin_REPLACE..rr#N)rhlang)rKrrrrrsubrrrrrrrsys version_inforGrrhlanguage) rrrrrrcompat_rrrrs @@@r!Builtin_REPLACErs4 $(  DT\""G)**K JE&==K777777, E Ebm,sBI.>bl@STUUtx!C!C!C!CU!C!C!CDD $'#3BQB#76#A#As;rH  s7||XtU33 ]   r#cRtt|j|jS)rArg)rrGr8r9r&s r! 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Builtin_STRrs4 %C#{## 3s88  r#ct|j}t||j|jSNr)rKrrrrhrrs r! Builtin_LCASEr0 B 288:: "+ F F FFr#ct|j}t|j}t|dkrt dSt t ||S)zA http://www.w3.org/TR/sparql11-query/#func-langMatches rF)rKr8r9rGr_lang_range_check)rrlangTag langRanges r!Builtin_LANGMATCHESrsT QVnnGqvI 7||ru~~ $Y88 9 99r#c*t|jS)z7 http://www.w3.org/TR/sparql11-query/#func-now )rnow)rrs r! Builtin_NOWrs 37  r#cRt|j}t|jSr%)daterryearrrds r! Builtin_YEARrs QU A 16??r#cRt|j}t|jSr%)rrrmonthrs r! Builtin_MONTHrs QU A 17  r#cRt|j}t|jSr%)rrrdayrs r! Builtin_DAYrs QU A 15>>r#cRt|j}t|jSr%)datetimerrhourrs r! 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A AFdmm ]AD%((  HB A!W%% *S%*@*@ !HH!U## ! 3(@(@ !CjjDM22BSyyqqsR((((r#c H|j}|j}|j}||Stddfddfddfddfd d fd d fd tjfddfg}|dvri|dk}d}|t jkrg}|D]6} ||krtd|z cS#t$r }|}Yd}~/d}~wwxYw|std|z S||dvrOt|tstd|zt|tstd|znNt|tstd|zt|tstd|zt|trRt|tr=|j 6|j tvr(|j !|j tvr|dvrtd ||||} | tkrtdn #t$r} t| jd} ~ wwxYwt| S)N>c,||Sr%)__gt__rdys r!z&RelationalExpression..Gqxx{{r#.Hrsr#=c,||Sr%)eqrps r!rrz&RelationalExpression..IsqttAwwr#!=c,||Sr%)neqrps r!rrz&RelationalExpression..Jsar#z>=c,||Sr%)__ge__rps r!rrz&RelationalExpression..K r#z<=c,||Sr%)__le__rps r!rrz&RelationalExpression..Lrr#INNOT INc.tj|| Sr%)rcontainsrps r!rrz&RelationalExpression..Ns a(;(;$;r#)rrFT)rwrzrrz8Compare other than =, != of non-literals is an error: %rz"I cannot compare this non-node: %r)rwrzz0Can only do =,!= comparisons of non-XSD LiteralszError when comparing)rr]r_rrrrnilrrrrrhr NotImplementedr?r@) rrrr]r_opsraerrorrdrtes r!RelationalExpressionr:s 6D GE B }  ** + ** + && ' (( ) ++ , ++ , 4= ! ;; <   C Hn CG  E  A 99"4#:.....     53;'' 'K ,,,$(( JTQ %)) JUR   $%% KBTIJJ J%&& LBUJKK K$  VZw%?%? 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A AAc0tdt|S)NrTr)rrT)rs r!not_rs  H3 / / //r#c t|dkr|dStdt|dt|ddS)Nrsrr)rr])rrrlist)r@s r!and_rsO 4yyA~~Aw " !W48nn    r# TrueFilterc tdS)NT)r)_1_2s r!rrrrs wt}}r#ct|tr(t|dkrt|dSt|ttfr"t t t|St|t s|S|jdr|j t|j S| D]}t||||<|S)Nrsr Expression) rrrsimplifyrmaprr)rr]rkeys)rks r!rrs$ %%!#d))q..Q   $|,--)C$''((( dI & &  y,''' : DI&& & YY[[$$47##Q Kr#cTt|tstd|z|S)Nz Non-literal passed as string: %r)rrrrQs r!rrs. a ! !BBCCC : % %NQRRSSS ::<<r#returnc:t|tstd|z|jtjtjfvrtd|z|}t|tj r|S|S)NzNon-literal passed as date: %rz.Literal with wrong datatype passed as date: %r) rrrrhrrrKr py_datetimer)rresults r!rrs a ! !@:Q>???z#(CL111JQNOOO ZZ\\F&+.//{{}} Mr#ct|tstd|z|jr'|jtjkrtd|z|S)zz Make sure the passed thing is a string literal i.e. plain literal, xsd:string literal or lang-tagged literal z Non-literal passes as string: %rz0Non-string datatype-literal passes as string: %r)rrrrhrrKrs r!rKrKs] a ! !B+>c$iiut ch #' ' '5 C' ' '3#,+>+>c$iil""tu cltr#cJ|}|}||z }t|tjS)z< returns the duration Literal between two datetime rg)rrduration)rrdate1date2 differences r!rgrgKs, E EJ : 5 5 55r#ct||||r2|dkr||z }t||S||z}t||Std)z Calculates the final dateTime/date/time resultant after addition/ subtraction of duration/dayTimeDuration/yearMonthDuration rrgz.Incompatible Data types to DateTime Operations)rrr)rrrr operationanss r!rhrhVso$D#tS99 L   +C3--- -+C3--- -JKKKr#ct|tr|jtjkr|S|jtjks|jt|dkS|}t|trtd|zt|Std|z)a Effective Boolean Value (EBV) * If the argument is a typed literal with a datatype of xsd:boolean, the EBV is the value of that argument. * If the argument is a plain literal or a typed literal with a datatype of xsd:string, the EBV is false if the operand value has zero length; otherwise the EBV is true. * If the argument is a numeric type or a typed literal with a datatype derived from a numeric type, the EBV is false if the operand value is NaN or is numerically equal to zero; otherwise the EBV is true. * All other arguments, including unbound arguments, produce a type error. Nrzjhttp://www.w3.org/TR/rdf-sparql-query/#ebv - ' + 'Could not determine the EBV for : %rzchttp://www.w3.org/TR/rdf-sparql-query/#ebv - ' + 'Only literals have Boolean values! %r) rrrhrrQrrKrrr)rtpyRTs r!r7r7js "g ;#+ % %;;== [CJ & &"+*=r77Q; ;;==D$(( "%; Dzz! 4    r#cd|d}|d}|d|dsdSt|t|krdSt fdt ||DS)a( Implementation of the extended filtering algorithm, as defined in point 3.3.2, of U{RFC 4647}, on matching language ranges and language tags. Needed to handle the C{rdf:PlainLiteral} datatype. @param range: language range @param lang: language tag @rtype: boolean @author: U{Ivan Herman} Taken from `RDFClosure/RestrictedDatatype.py`__ .. __:http://dev.w3.org/2004/PythonLib-IH/RDFClosure/RestrictedDatatype.py c|dkp||kS)z Matching of a range and language item: either range is a wildcard or the two are equal @param r: language range item @param l_: language tag item @rtype: boolean r\r9)rrms r!_matchz!_lang_range_check.._matchsCx"17"r#rrFc3"K|] }|V dSr%r9)r~rdrs r!rz$_lang_range_check..s)<rErHrRrUrXr\r_rernrqrvrrrrrrrrrrrrrrrrrrrrrrrrrrrrr r"r$r'r.r5r:r<rCrKrKrNrOrPrQrRrTrWrZrbrkrrrrrrrrrr.rfrrgrhr7rr9r#r!rs< <<<<<<<<<<========CCCCCCCCNNNNNNNN================""""""EEEEEEEE P P P000222111 S S S +++666$$$$$$&&&/// 000 222 222 222 UUUFFFGGG , , ,???.333l777 8 8 8 Q Q Q EEE $ $ $ " " " D D D N N N   <<< J J J  GGG : : :     333":":":JGGG & & & 000    ) ) ) )     (((*&&&4(((%%%&&&$'''$'''$'''=?=?('('(''&&%)('&=?@'''((((((6H)H)H)VMMM` 8 8 84000   T, < < = = (   {    DD666LLL(* * * Z#=#=#=#=#=r#