* ':csdZdkZdkZdkZdkZeiZ!dfdYZMdefdYZddefdYZdefd YZ d efd YZ d efd YZ defdYZ dZ defdYZdefdYZdefdYZdefdYZ~defdYZdefdYZdefdYZdefd YZ(d!efd"YZ;d#efd$YZ`d%efd&YZd'Zhd(d)<d*d+<d,d-<d.d/<d0d1<d2d3<d4d5<d6d7<d8d9<d:d;<d<d=Zd?Zd@ZdS(AsClasses for nodes in the Expression tree Expression |--- Any - match (or don't match) a set of characters |--- AnyEol - match any newline representation (" ", " " or " ") |--- Assert - used for positive and negative lookahead assertions |--- AtBeginning - match the beginning of a line |--- AtEnd - match the end of a line |--- Dot - match any character except newline |--- Group - give a group name to an expression |--- GroupRef - match a previously identified expression |--- Literal - match (or don't match) a single character |--- MaxRepeat - greedy repeat of an expression, within min/max bounds |--- PassThrough - used when overriding 'make_parser'; match its subexp | |--- HeaderFooter - files with a header, records and a footer | `--- ParseRecords - parse a record at a time |--- Str - match a given string `--- ExpressionList - expressions containing several subexpressions |--- Alt - subexp1 or subexp2 or subexp3 or ... `--- Seq - subexp1 followed by subexp2 followed by subexp3 ... 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N(s expressionsselfsinvert(sselfs expressionsinvert((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__es  cs&tuvt|ii|iSdS(s&do a deep copy on this Expression treeN(sAssertsselfs expressionscopysinvert(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopytscsCxyz|io{dt|iSn}dt|iSdS(s the corresponding pattern strings(?!%s)s(?=%s)N(sselfsinvertsstrs expression(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__xs (s__init__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysAssertds s AtBeginningcs&dZdZdZRS(sMatch the beginning of a linecstSdS(s&do a deep copy on this Expression treeN(s AtBeginning(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsdSdS(s the corresponding pattern strings^N((sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__doc__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys AtBeginnings  sAtEndcs&dZdZdZRS(sMatch the end of a linecstSdS(s&do a deep copy on this Expression treeN(sAtEnd(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsdSdS(s the corresponding pattern strings$N((sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__doc__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysAtEnds  sDotcs&dZdZdZRS(s"Match any character except newlinecstSdS(s&do a deep copy on this Expression treeN(sDot(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsdSdS(s the corresponding pattern strings.N((sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__doc__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysDots  sAnyEolcs&dZdZdZRS(s"Match a newline (" ", " " or " ")cstSdS(s&do a deep copy on this Expression treeN(sAnyEol(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsdSdS(s the corresponding pattern strings (\n|\r\n?)N((sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__doc__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysAnyEols  csPto|p tdti| otdt|ndS(Ns&Group name can not be the empty strings"Illegal character in group name %s(s __debug__sssAssertionErrors sre_parsesisnamesrepr(ss((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys _verify_namessGroupcsAdZdZdZdZdZRS(NcsC|tj ot|n||_||_dS(sc(name, expression) Create a group named 'name' which matches the given expression N(snamesNones _verify_namesselfs expression(sselfsnames expression((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s  csi|ii}|itj o3|i|jo |Sn|if|Sn|SdS(s@the list of group names used by this Expression and its childrenN(sselfs expressions group_namesssubnamessnamesNone(sselfssubnames((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys group_namess csP|itj o |i|jot|_n|ii|dS(sinternal function: do not useN(sselfsnamesNonesnamess expressions _select_names(sselfsnames((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys _select_namess#cs&t|i|iiSdS(s&do a deep copy on this Expression treeN(sGroupsselfsnames expressionscopy(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsR|itjodt|iSnd|it|ifSdS(s the corresponding pattern strings(%s)s (?P<%s>%s)N(sselfsnamesNonesstrs expression(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__init__s group_namess _select_namesscopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysGroups   sGroupRefcs)dZdZdZRS(Ncs#t|||_dS(sV(name) Match the same text previously found by the given named group N(s _verify_namesnamesself(sselfsname((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s cst|iSdS(s&do a deep copy on this Expression treeN(sGroupRefsselfsname(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscsd|iSdS(s the corresponding pattern strings(?P=%s)N(sselfsname(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s(s__init__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysGroupRefs  sLiteralcs,ddZdZdZRS(Nics"||_||_dS(s(char, invert = 0) Match the given character or, if 'invert' is true, match a character which is not this character. N(scharsselfsinvert(sselfscharsinvert((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s cs t|i|iSdS(s&do a deep copy on this Expression treeN(sLiteralsselfscharsinvert(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscs?t|i}|iod|Sn|SdS(s the corresponding pattern strings[^%s]N(sescapesselfscharscsinvert(sselfsc((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__s  (s__init__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysLiterals s MaxRepeatcsGdedZ:dZ@dZEdZIdZRS(Nics')||_,t|tdjot-tod|jptd|/t|tdjo/0to!||jptd||fnnF3t|tdjo)4to|djptd|n7||_8||_dS(s(expression, min_count = 0, max_count = MAXREPEAT) Match the expression at least 'min_count' times and no more than 'max_count' times. If max_count == MAXREPEAT then there is no fixed upper limit. min_count and max_count can be strings, in which case they are used as "named group repeats." That is, they are taken to be group names and used to find the repeat counts during evaluation time. The current implementation only understands named group repeats when min_count == max_count. The grouping is greedy. WARNING: There is no check to ensure that a match of 0 size is repeated indefinitely, as with "(a?)*" against the string "b". This will loop forever. WARNING: The current implementation does not support backtracking in MaxRepeats, so ".* " will not match " ". Use a more explicit construct instead, like "[^ ]* ". is&min_count must be non-negative, not %ds(min_count (%d) must be <= max_count (%d)s&max_count must be non-negative, not %dN(s expressionsselfstypes min_counts __debug__sAssertionErrors max_count(sselfs expressions min_counts max_count((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s %3) cs:;>|iiSdS(s@the list of group names used by this Expression and its childrenN(sselfs expressions group_names(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys group_names:scs/@ABt|ii|iC|iSdS(s&do a deep copy on this Expression treeN(s MaxRepeatsselfs expressionscopys min_counts max_count(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopy@scsEFG|ii|dS(sinternal function: do not useN(sselfs expressions _select_namessnames(sselfsnames((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys _select_namesEscsAIJK|i}L|i}M|i}Rt|to Sd}n*Tt|to Wd}n Yd}[|o\dt |}n^t |}at |t djpt |t djo8c||jodd|}nfd||f}n#i|djo |t jo jd}nk|djo |t jo ld}nm|djo |djo nd }no||jo djno pd}nwq||jord |}nVs|djotd |}n5u|t jovd |}nxd ||f}z||SdS(s the corresponding pattern stringiis(%s)ss{%s}s{%s,%s}s*s+s?s{%d}s{,%d}s{%d,}s{%d,%d}N(sselfs min_counts max_counts expressionssubexps isinstancesExpressionLists need_groupsStrsstrssstypesexts MAXREPEAT(sselfs min_counts need_groupsss max_countsextssubexp((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__Is@       5   ! 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__debug__smake_header_readers header_argssAssertionErrors MaxRepeatsrecord_expressionsexpsfooter_expressionsmake_footer_readers footer_argss PassThroughs__init__sselfsGroups format_namesmake_record_readers record_args( sselfs format_namesheader_expressionsmake_header_readers header_argssrecord_expressionsmake_record_readers record_argssfooter_expressionsmake_footer_readers footer_argssexp((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s$++         c s|i}|tj o|i}n|i}|tj o|i}n|i}|tj o|i}nt |i ||i |i ||i |i||i|i SdS(N(sselfsheader_expressions header_expsNonescopysrecord_expressions record_expsfooter_expressions footer_exps HeaderFooters format_namesmake_header_readers header_argssmake_record_readers record_argssmake_footer_readers footer_args(sselfs footer_exps header_exps record_exp((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopys    ic sdk}dk} d}|itj o@|i|id|\}} |i }|i }n(f}d} tf}t}|i|i d|\}}|i}|i} |p| }|itj o@|i|id|\} }|i} |i}n%f} d} t} t}|p| }ti|i||||| || || ||f SdS(Nis debug_level(sGenerates RecordReaderswantsselfsheader_expressionsNonesgenerates debug_levelsheader_tagtableswant_flgsmake_header_readers header_argssrecord_expressionsrecord_tagtables want_flagsmake_record_readers record_argssfooter_expressionsfooter_tagtablesmake_footer_readers footer_argssParsersHeaderFooterParsers format_name(sselfs debug_levelsheader_tagtablesmake_header_readersGeneratesmake_record_readersrecord_tagtables footer_argsswantswant_flgs record_argssfooter_tagtables RecordReadersmake_footer_readers want_flags header_args((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys make_parsers>                cs)td|ii||SdS(NsNeed an IteratorHeaderFooter(sNotImplementedErrorsselfs expressions make_iteratorstag(sselfstags debug_level((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys make_iterators cs|iiSdS(N(sselfs expressions group_names(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys group_namess(s__init__scopys make_parsers make_iterators group_names(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys HeaderFooters   -s ParseRecordscsJfdZdZddZddZdZRS(Ncs_ti|t|t|d||_||_||_||_dS(Ni( s PassThroughs__init__sselfsGroups format_names MaxRepeatsrecord_expressions make_readers reader_args(sselfs format_namesrecord_expressions make_readers reader_args((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__s    cs5t|i|ii|i|iSdS(s&do a deep copy on this Expression treeN(s ParseRecordssselfs format_namesrecord_expressionscopys make_readers reader_args(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopysicsedk}|i|i|\}}ti|i |||f|i |i SdS(N( sGeneratesgeneratesselfsrecord_expressions debug_levelstagtableswant_flgsParsers RecordParsers format_names make_readers reader_args(sselfs debug_levelswant_flgsGeneratestagtable((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys make_parsers  csq  dk} ||ijo |ii||Sn |i|ii||i |i |SdS(s"create an iterator for this regexpN( sIteratorstagsselfs format_names expressions make_iteratorsIteratorRecordssrecord_expressions make_parsers debug_levels make_readers reader_args(sselfstags debug_levelsIterator((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys make_iterators  cs|iiSdS(N(sselfs expressions group_names(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys group_namess(s__init__scopys make_parsers make_iterators group_names(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys ParseRecordss   sStrcs)dZdZ"dZRS(Ncs||_dS(sN(s) Match the given string exactly (not as a regexp pattern) N(sssselfsstring(sselfss((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__scs t|iSdS(s&do a deep copy on this Expression treeN(sStrsselfsstring(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopyscs"#$t|iSdS(s the corresponding pattern stringN(sescapesselfsstring(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__"s(s__init__scopys__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysStrs  sExpressionListcs2(dZ)*dZ1dZ5dZRS(s?shares implementation used by 'Expressions with subexpressions'csn*+,h}-xB|id-r2}.x&|id.r}/d||7sN(sselfs __class__smaps expressions(sself((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pyscopy5s(s__doc__s group_namess _select_namesscopy(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysExpressionList(s   sAltcs2;dZ>?dZNdZZdZRS(s:An Expression tree with a list of alternate matches. csE?IJt|tgjoKt|}nL||_dS(sP(expressions) Match one of a list of alternate expressions. 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N(stypes expressionsstuplesself(sselfs expressions((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__init__bscsLnpt|toqt|i|iSnrt|i|fSdS(N(s isinstancesothersSeqsselfs expressions(sselfsother((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__add__nscstuwg}xx`|idxrP}yt|}zt|to{|id|n}|i|qW~t i |dSdS(s the corresponding pattern stringis(%s)sN( spatternssselfs expressionssexpsstrspatterns isinstancesAltsappendsstringsjoin(sselfsexpspatternspatterns((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys__str__ts  (s__doc__s__init__s__add__s__str__(((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pysSeq`s  cst|}tidtid}xrtt|drY}||}||jo6|djod||(c) -> into an appropriately escaped pattern for the characteri s\N(s_minimize_escape_charssgetscsxsNonesord(scsx((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys_minimize_escape_chars cst|dt|jot|t|Sn|djo |djo dSnt|dt|SdS(sE(c1, c2) -> the pattern for the range bounded by those two charactersis0s9s\ds-N(sordsc1sc2s_minimize_escape_char(sc1sc2((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys_minimize_escape_ranges   c s_| o |Snd}d|jo%d}ti|dd}nt|}|ig}t} x@|dr3} | | jo|i | | } nqWti |d}d}t}d}d}x|dr} t| }|d|jo{|tjo d}n[||djo|t||}n#|t||||d}|}n|}|d}qW|oU||djo|t||}n#|t||||d}n|o|d}n|SdS(ss -> a string useable inside [] which matches all the characters in s For example, passing in "0123456789" returns "\d". 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For example, "_ABC...Zabc...z" should convert to "\w". is-isN(sss has_hyphensstringsreplaceslistscharsssortsuniquesNonesprev_cscsappendsjoinstsprevsprev_posspossordsvals_minimize_escape_chars_minimize_escape_range( sssprev_possprevsts has_hyphenspossuniquescharssvalscsprev_c((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys_minimize_any_rangesT              "   & (s__doc__sresstrings sre_parsesParsers MAXREPEATs ExpressionsAnysAsserts AtBeginningsAtEndsDotsAnyEols _verify_namesGroupsGroupRefsLiterals MaxRepeats PassThroughs HeaderFooters ParseRecordssStrsExpressionListsAltsSeqsescapes_minimize_escape_charss_minimize_escape_chars_minimize_escape_ranges_minimize_any_range(sAnys HeaderFooters sre_parsesstringsAltsresAsserts_minimize_escape_chars_minimize_any_rangesGroupRefsParsers _verify_names ParseRecordssSeqs MaxRepeats_minimize_escape_charssDots Expressions_minimize_escape_rangesescapesStrsExpressionListsLiteralsAtEnds PassThroughsAnyEolsGroups AtBeginnings MAXREPEAT((s;/mit/seven/lib/python2.1/site-packages/Martel/Expression.pys?s8    ,!    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