+ DfjRt^RIHt^RIHt^RIHtHtHt^RI H t ]!4t !RR4t RRlt R R ltR R ltR #)z Code related to "flattening" events; that is, extracting a description of all relevant fields from the format string and persisting them for later examination. ) defaultdict) Formatter)AnyDictOptionalLogEventcHa]tRt^toRtV3RlRltV3RlRltRtVtR#) KeyFlattenerz A L{KeyFlattener} computes keys for the things within curly braces in PEP-3101-style format strings as parsed by L{string.Formatter.parse}. c<V^8dQhRR/#)returnN)format __classdict__s"9/usr/lib/python3/dist-packages/twisted/logger/_flatten.py __annotate__KeyFlattener.__annotate__s;;$;c (\R4VnR#)z Initialize a L{KeyFlattener}. c^#)rrrr'KeyFlattener.__init__..srN)rkeys)selfs&r__init__KeyFlattener.__init__s%0 $: rcR<V^8dQhRS[RS[S[,RS[S[,RS[/#)r fieldName formatSpec conversionr )strr)rrs"rrr s5*23-EMc] rc VfRpVfRpRPVVVR7pVPV;;,^, uu&VPV,pV^8wd+VR\VPV,4,, pV#)aZ Compute a string key for a given field/format/conversion. @param fieldName: A format field name. @param formatSpec: A format spec. @param conversion: A format field conversion type. @return: A key specific to the given field, format and conversion, as well as the occurrence of that combination within this L{KeyFlattener}'s lifetime. z%{fieldName}!{conversion}:{formatSpec})rr r!/)rrr")rrr r!resultns&&&& rflatKeyKeyFlattener.flatKey s  J  J8??!!@  &Q IIf  6 cC & 122 2F r)rN) __name__ __module__ __qualname____firstlineno____doc__rr(__static_attributes____classdictcell__)rs@rr r s ;; rr c(V^8dQhR\RR/#)r eventr Nr)rs"rrr@s8(8(8(T8(rc2VPRR4fR#RV9d VR,pM/p\4p\PVR,4Fwr4rVVfK VR8wdRpVP WEV4pVP WER4pWq9dKAVP R4'd VRR pRp MR p \P VR V4p V ^,p VR8Xd\p M\p V 'dV !4p V !V 4p WV&WV&K V'dWR&R#R#) z Flatten the given event by pre-associating format fields with specific objects and callable results in a L{dict} put into the C{"log_flattened"} key in the event. @param event: A logging event. log_formatN log_flattenedrsr$z()TFr) getr aFormatterparser(endswith get_fieldreprr")r2fields keyFlattener literalTextrr r! flattenedKey structuredKeycallitfield fieldValueconversionFunctionflattenedValues& r flattenEventrI@s, yyt$,%'>L:D:J:J l;6      J#++I:N $,,YBG  !    d # #!#2IFF$$YE:1X  !% !$  #J+J7-| *}G;J!'orc<V^8dQhR\R\R\/#)r rEr2r )r"rr)rs"rrr{s!'''H''rc\4p\PRV,R,4wwr4rVVfQhVPWEV4pRV9d \ V4VR,V,#)a Extract a given format field from the given event. @param field: A string describing a format field or log key. This is the text that would normally fall between a pair of curly braces in a format string: for example, C{"key[2].attribute"}. If a conversion is specified (the thing after the C{"!"} character in a format field) then the result will always be str. @param event: A log event. @return: A value extracted from the field. @raise KeyError: if the field is not found in the given event. {}r5)r r:r;r(rI)rEr2r@rArr r!keys&& r extractFieldrO{so >L9C9I9I e c:65kj     yj ACe#U  !# &&rc0V^8dQhR\R\/#)r r2r )rr")rs"rrrsh3rc@VR,p\4p.p\PVR,4FYwrErgVPV4VfKTP YVT;'gR4pVP\ W,44K[ RP V4#)z~ Format an event which has been flattened with L{flattenEvent}. @param event: A logging event. @return: A formatted string. r5r4r7r$)r r:r;appendr(r"join) r2 fieldValuesr@r7rArr r!rNs & r flatFormatrUs(K>L A:D:J:J l;6    &&yj>O>OCPC HHS)* +; 771:rN)r. collectionsrstringrtypingrrr _interfacesrr:r rIrOrUrrrrZs=  $&&! [ ))X8(v'>r