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[SU-5e=f)NzNothing given to cast.rz Cannot cast more than one thing!rrxzCannot cast term z of type z/Can only cast Literals to non-string data-typesz-Cannot cast literal with unknown datatype: %rzCannot cast %r to XSD:dateTimez!Cannot interpret '%r' as datetimezCannot cast XSD.dateTime to %rzCannot interpret '%r' as floatrEz Cannot interpret '%r' as decimalzCannot interpret '%r' as int)1trueT)0falseFzCannot interpret '%r' as bool)r.rrr@rr\r*r$r"typeryrdateTimer'floatdoublerrintegerrzbooleanr)rr/rus r1 default_castrRs 66233 166{Q<== q Auu  a&'* + +1szz2 2!T!WMN N a ! !KLLzz!**/IAJJVWWuu  ::!**S\\3::,FF>KL L G>!,quu= = zzS\\!:QUUBCCuuCJJ'' D58aee4 4 #++  !8sax@1DE E F71:6 6 #++  B3q6CKK8 8 #++  779 %4= 779 &5> !9A=>> 5 GAAEF F D>BC C F@1DE E  Br.r6s r1 UnaryMinusrW GDII&& ''r3c@[[UR575$r5rVr6s r1 UnaryPlusrZrXr3cjURnURnUcU$[[U55n[ UR U5H>upV[U5n[ U5[:Xa [U5nUS:XaXF-nM:XF-nM@ [U5$![[4a [S5ef=f)N*z divide by 0) r.otherrr>zipoprLrNrZeroDivisionErrorrr")rr/r.r]resr_rs r1MultiplicativeExpressionrbs 66D GGE } )gdm$u%EB AAw%CjSy& 3< / 0)-(()s A,BB2cURnURnUcU$[US5(GaXUR[;dUR[ ;Ga/[ U5nURn[URU5HupgU[;aUXWR:XaFUS:Xa@[U5S:aSn[XR5e[ U5n [XI5nUs $U[;a:UR[ ;a&[ U5n [XEXRU5nUs $U[ ;aBUR[;a.US:Xa&[ U5n [XEXRU5nUs $M[S5e g[U5nURn[URU5Hupg[U5n [U [5(a [U[ 5(a [!U 5n [U [ 5(a [U[5(a [!U5n[#XWR5nUS:XaXI- nMXI-nM [%XES9$)Nryrrz$Can't evaluate multiple %r arguments+zInvalid DateTime Operationsrx)r.r]hasattrryrrdateTimeObjectsr^r_rrcalculateDurationcalculateFinalDateTimer>r*rrNrr") rr/r.r]rarr_term error_messagers r1AdditiveExpressionrks 66D GGE } tZ   ))T]]>N-Nd# ]]ADD%(HB%%" *=")u:>$JM%m[[AA'-A+C3CJ''DMM=M,M#D),SaK ''DMM=M,M9'-A0!]]BOCJ""?@@?)Fdm ]]ADD%(HB A!W%%*S%*@*@!H!U## 3(@(@CjMM2BSy)s((r3c lURnURnURnUcU$[SS4SS4SS4SS4S S 4S S 4S [R 4SS4/5nUS;aSUS:HnSnU[ R:Xa/nUHnX:Xa[SU- 5s $M U(d[SU- 5$UeUS;aG[U[5(d[SU-5e[U[5(d[SU-5eOF[U[5(d[SU-5e[U[5(d[SU-5e[U[5(ah[U[5(aSURbFUR[;a2URb%UR[;aUS;a [S5eXT"X#5n U [:Xa [S5e[U 5$![anUnSnAGMSnAff=f![an [U R 6eSn A ff=f)N>c$URU5$r5)__gt__ruys r1&RelationalExpression..] qxx{r3=c$URU5$r5)__ge__rps r1rrrsa  r3z<=c$URU5$r5)__le__rps r1rrrsbrr3INNOT INc8[R"X5(+$r5)rcontainsrps r1rrrsds a(;$;r3)rrFT)rxr{rrz8Compare other than =, != of non-literals is an error: %rz"I cannot compare this non-node: %r)rxr{z0Can only do =,!= comparisons of non-XSD LiteralszError when comparing)r.r]r_rrrrnilr"rr*r#ryrNotImplementedrArB) rr/r.r]r_opsraerrorrurtes r1RelationalExpressionrQsL 66D GGE B }  * + * + & ' ( ) + , + , 4== ! ; <  C Hn*/ CGG EA 9"4#:.. 53;' 'K ,,$((JTQ %))JUR * $%%BTIJ J%&&BUJK K$  Zw%?%? MM % W,*g-$!"TUU$ GD   45 5  1:S  N $277##$s0 G7 H7 HH  H H3H..H3czURnURnUcU$[[SU/U-555$)Nc38# UHn[U5v M g7fr5)rGrs r1r+ConditionalAndExpression..s6~!s1vv~r)r.r]r"all)rr/r.r]s r1ConditionalAndExpressionrs> 66D GGE } 36v~66 77r3cURnURnUcU$SnU/U-H!n[U5(a [S5s $M# U(aUe[S5$![a nUnSnAMKSnAff=fr=)r.r]rGr"r)rr/r.r]rrus r1ConditionalOrExpressionrs 66D GGE }  EVe^ 1vvt}$   5>  E sA A6)A11A6c [S[US9$)NrTr.)rrT)r)s r1not_rs  H3 //r3c h[U5S:XaUS$[S[US[USS5S9$)Nrrr)r.r])rrrlist)rBs r1and_rs= 4yA~Aw " !W48n  r3 TrueFilterc[S5$)NT)r")_1_2s r1rrrrswt}r3c[U[5(a[U5S:Xa[US5$[U[[45(a[ [ [U55$[U[ 5(dU$URRS5(a"URc[UR5$UR5Hn[X5X'M U$)Nrr Expression) r*rrsimplifyrmaprr&rr]r.keys)r.ks r1rrs$ %%#d)q.Q  $|,--C$'(( dI & &  yy,'' :: DII& & YY[47# Kr3cL[U[5(d[SU-5eU$)Nz Non-literal passed as string: %r)r*r"rrbs r1rrs% a ! !BCC :: %NQRRSS ::<r3cB[U[5(d[SU-5eUR[R [R 4;a[SU-5eUR5n[U[R5(aUR 5$U$)NzNon-literal passed as date: %rz.Literal with wrong datatype passed as date: %r) r*r"rryrrrMr py_datetimer)rresults r1rrsy a ! !:Q>??zz#((CLL11JQNOO ZZ\F&+..//{{} Mr3c[U[5(d[SU-5eUR(a,UR[R :wa[SU-5eU$)zn 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)r*r"rryrr\rs r1r\r\ sN a ! !r>s dG $ $4t;<< }}                !$DtKLL ==?r3c"UR5$)zf return a dataTime/date/time/duration/dayTimeDuration/yearMonthDuration python objects from a literal )rrs r1rfrf9s ==?r3cU[R:XaNU[R:XagU[R:XdU[R:XaS[ U5;aggU[R :XaQU[R:XagU[R:XdU[R:XaS[ U5S:XaggU[R:Xagg)zd Returns a boolean indicating if first object is compatible with operation(+/-) over second object. TrFrN)rryearMonthDurationrr&rWtimerM)obj1dt1obj2dt2s r1isCompatibleDateTimeDatatyperAs chh #'' ' C'' '3#,,+>c$i chh #'' ' C'' '3#,,+>c$il" cllr3cBUnUnX#- n[U[RS9$)z3 returns the duration Literal between two datetime rx)r"rduration)rrdate1date2 differences r1rgrggs& E EJ : 55r3cz[XX#5(a US:Xa X- n[XQS9$X-n[XQS9$[S5e)z} Calculates the final dateTime/date/time resultant after addition/ subtraction of duration/dayTimeDuration/yearMonthDuration rrxz.Incompatible Data types to DateTime Operations)rr"r)rrrr operationanss r1rhrhusK$Dt99  +C3- -+C3- -JKKr3cgr5r9rts r1rGrGs!r3cgr5r9rs r1rGrGsMPr3cgr5r9rs r1rGrGsLOr3c[U[5(aUR[R:XaUR 5$UR[R :Xd URc[U5S:$UR 5n[U[5(a[SU-5e[U5$[SU-5e)aUEffective 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. rzjhttp://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) r*r"ryrrQrr\rrr)rpyRTs r1rGrGs"g ;;#++ %;;= [[CJJ &"++*=r7Q; ;;=D$((%; Dz! 4   r3cZ^SSjmUR5R5RS5nUR5R5RS5nT"USUS5(dg[U5[U5:ag[ U4Sj[ X#555$)a Implementation of the extended filtering algorithm, as defined in point 3.3.2, of [RFC 4647](http://www.rfc-editor.org/rfc/rfc4647.txt), on matching language ranges and language tags. Needed to handle the `rdf:PlainLiteral` datatype. Args: range: language range lang: language tag Author: [Ivan Herman](http://www.w3.org/People/Ivan/) Taken from [`RDFClosure/RestrictedDatatype.py`](http://dev.w3.org/2004/PythonLib-IH/RDFClosure/RestrictedDatatype.py) c"US:H=(d X:H$)z Matching of a range and language item: either range is a wildcard or the two are equal Args: r: language range item l_: language tag item r\r9)rr~s r1_match!_lang_range_check.._matchsCx"17"r3rrFc3.># UH nT"U6v M g7fr5r9)rrurs r1r$_lang_range_check..s<#;avqz#;s)rrWr~rWr8r)striprsplitrrr^)ranger rangeListlangListrs @r1rrs # ##%++C0Izz|!!#))#.H )A, , , 9~H % <3y#;< <rEr\rMrNrOrPrQrRrTrWrZrbrkrrrrrrrrrr>rfrrgrhrGrr9r3r1rsA#  MMRRR"% > 9P"021 S +6$$&/ 0 2 2 2 UFG ,?.:7 8Q*E $ " D N E J  G :     7':T G & 0 D.1478@B=BMR )  )& )26 )EI )  ) 6;    .2 1 7; J  J3 J  J(*&4(%&$'$'$'<?((('&)'<?~'(( 5