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POHow to improve pyparsing start-up time?
 

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  1. POHow to improve pyparsing start-up time?
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    <p>I have written a large (to me) grammar using pyparsing to parse H248 message, which is a text format, with about 500 lines of pypasing constructs. I found the average performance is acceptable if I feed the parser with many messages to parse, (about half second per message on my pc).</p> <p>But the basic usage of my parser is to just parse one single message, and dump out certain part, and I wrote it as a standalone program. Now it took 12s on my x86 pc, (1m12s on a shared solaria server!) to parse the first single message. So I wonder if there is any technique to get around this start up time? I tried psyco, it doesn't help the start up time.</p> <p>What I do for now is to write a long living server import the parser and accept parse request, then another standalone program (to be triggered very often) to interact with this server process, and thus get a quick response effect. This way, I lose the opportunity to have use parse result as a python object. I wonder if there is better way to achieve my purpose?</p> <p>BTW, if I manual interrupt my parser before 12s, the stack trace shows it was calling streamline() recursively.</p> <p>Thanks! Kevin</p> <pre><code> from pyparsing import * ALPHA = alphas DIGIT = nums HEXDIG = "0123456789ABCDEF" SafeChar = alphanums + "+-&amp;!_'?@^`~*$\\()%+." RestChar = ";[]{}:,#&lt;&gt;=" COLON = ":" DOT = "." SLASH = "/" DQUOTE = '"' SP = " " HTAB = '\\0x09' HTAB = '' EOL = Suppress(lineEnd) WSP = SP + HTAB COMMENT = Word(";", SafeChar + RestChar + WSP + '"') + EOL LWSP = Suppress(Word(WSP)) nonEscapeChar = "}" + srange("[\\0x01-\\0x7c]") #+ srange("[\\0x7E-\\0xFF]") nonEscapeChar = srange("[\\0x01-\\0x7c]") #+ srange("[\\0x7E-\\0xFF]") octetString = Word(nonEscapeChar) quotedString = dblQuotedString UINT16 = Word(DIGIT, min=1, max=5) UINT32 = Word(DIGIT, min=1, max=10) NAME = Word(ALPHA, alphanums + "_", min=1, max=64) VALUE = quotedString | Word(SafeChar) #| srange("[\\0x80-\\0xFF]") EQUAL = Suppress("=") LBRKT = Suppress( "{" ) RBRKT = Suppress( "}" ) COMMA = Suppress(",") SEP = ((WSP | EOL | COMMENT) + LWSP) AddToken = Suppress(Literal("Add")| "A") AndAUDITSelectToken = Suppress(Literal("ANDLgc")) AuditToken = Suppress(Literal("Audit")| "AT") AuditCapToken = Suppress(Literal("AuditCapability")| "AC") AuditValueToken = Suppress(Literal("AuditValue")| "AV") AuthToken = Suppress(Literal("Authentication")| "AU") BothToken = Suppress(Literal("Both")| "B") BothwayToken = Suppress(Literal("Bothway")| "BW") BriefToken = Suppress(Literal("Brief")| "BR") BufferToken = Suppress(Literal("Buffer")| "BF") CtxToken = Suppress(Literal("Context")| "C") ContextAuditToken = Suppress(Literal("ContextAudit")| "CA") ContextAttrToken = Suppress(Literal("ContextAttr")| "CT") ContextListToken = Suppress(Literal("ContextList")| "CLT") DigitMapToken = Suppress(Literal("DigitMap")| "DM") DirectionToken = Suppress(Literal("SPADirection")| "SPADI") DisconnectedToken = Suppress(Literal("Disconnected")| "DC") DelayToken = Suppress(Literal("Delay")| "DL") DurationToken = Suppress(Literal("Duration")| "DR") EmbedToken = Suppress(Literal("Embed")| "EM") EmergencyToken = Suppress(Literal("Emergency")| "EG") EmergencyOffToken = Suppress(Literal("EmergencyOff")| "EGO") EmergencyValueToken = Suppress(Literal("EmergencyValue")| "EGV") ErrorToken = Suppress(Literal("Error")| "ER") EventBufferToken = Suppress(Literal("EventBuffer")| "EB") EventsToken = Suppress(Literal("Events")| "E") ExternalToken = Suppress(Literal("External")| "EX") FailoverToken = Suppress(Literal("Failover")| "FL") ForcedToken = Suppress(Literal("Forced")| "FO") GracefulToken = Suppress(Literal("Graceful")| "GR") H221Token = Suppress(Literal("H221")) H223Token = Suppress(Literal("H223")) H226Token = Suppress(Literal("H226")) HandOffToken = Suppress(Literal("HandOff")| "HO") IEPSToken = Suppress(Literal("IEPSCall")| "IEPS") ImmAckRequiredToken = Suppress(Literal("ImmAckRequired")| "IA") InternalToken = Suppress(Literal("Internal")| "IT") IntsigDelayToken = Suppress(Literal("Intersignal")| "SPAIS") IsolateToken = Suppress(Literal("Isolate")| "IS") InSvcToken = Suppress(Literal("InService")| "IV") InterruptByEventToken = Suppress(Literal("IntByEvent")| "IBE") InterruptByNewSignalsDescrToken = Suppress(Literal("IntBySigDescr")| "IBS") IterationToken = Suppress(Literal("Iteration")| "IR") KeepActiveToken = Suppress(Literal("KeepActive")| "KA") LocalToken = Suppress(Literal("Local")| "L") LocalControlToken = Suppress(Literal("LocalControl")| "O") LockStepToken = Suppress(Literal("LockStep")| "SP") MediaToken = Suppress(Literal("Media")| "M") MegacopToken = Suppress(Literal("MEGACO")| "!") MessageSegmentToken = Suppress(Literal("Segment")| "SM") MethodToken = Suppress(Literal("Method")| "MT") MgcIdToken = Suppress(Literal("MgcIdToTry")| "MG") ModeToken = Suppress(Literal("Mode")| "MO") ModifyToken = Suppress(Literal("Modify")| "MF") ModemToken = Suppress(Literal("Modem")| "MD") MoveToken = Suppress(Literal("Move")| "MV") MTPToken = Suppress(Literal("MTP")) MuxToken = Suppress(Literal("Mux")| "MX") NeverNotifyToken = Suppress(Literal("NeverNotify")| "NBNN") NotifyToken = Suppress(Literal("Notify")| "N") NotifyCompletionToken = Suppress(Literal("NotifyCompletion")| "NC") NotifyImmediateToken = Suppress(Literal("ImmediateNotify")| "NBIN") NotifyRegulatedToken = Suppress(Literal("RegulatedNotify")| "NBRN") Nx64kToken = Suppress(Literal("Nx64Kservice")| "N64") ObservedEventsToken = Suppress(Literal("ObservedEvents")| "OE") OnewayToken = Suppress(Literal("Oneway")| "OW") OnewayBothToken = Suppress(Literal("OnewayBoth")| "OWB") OnewayExternalToken = Suppress(Literal("OnewayExternal")| "OWE") OnOffToken = Suppress(Literal("OnOff")| "OO") OrAUDITselectToken = Suppress(Literal("ORLgc")) OtherReasonToken = Suppress(Literal("OtherReason")| "OR") OutOfSvcToken = Suppress(Literal("OutOfService")| "OS") PackagesToken = Suppress(Literal("Packages")| "PG") #...many literal tokens TestToken = Suppress(Literal("Test")| "TE") TimeOutToken = Suppress(Literal("TimeOut")| "TO") TopologyToken = Suppress(Literal("Topology") | "TP") TransToken = Suppress(Literal("Transaction") | "T") ResponseAckToken = Suppress(Literal("TransactionResponseAck")| "K") V18Token = Suppress(Literal("V18")) V22Token = Suppress(Literal("V22")) V22bisToken = Suppress(Literal("V22b")) V32Token = Suppress(Literal("V32")) V32bisToken = Suppress(Literal("V32b")) V34Token = Suppress(Literal("V34")) V76Token = Suppress(Literal("V76")) V90Token = Suppress(Literal("V90")) V91Token = Suppress(Literal("V91")) VersionToken = Suppress(Literal("Version") | "V") RSBRKT=Suppress("]") LSBRKT=Suppress("]") INEQUAL=Suppress(LWSP+(Literal("&gt;")|"&lt;"|"#")+LWSP)("INEQUAL") ContextID=Combine((UINT32|"*"|"-"|"$"))("ContextID") ItemID=NAME("ItemID") PackageName=NAME("PackageName") StreamID=UINT16("StreamID") Time=(Word(DIGIT, exact=8))("Time") Date=(Word(DIGIT, exact=8))("Date") RequestID=(UINT32|"*")("RequestID") digitMapName=NAME("digitMapName") sigParameterName=NAME("sigParameterName") signalListId=UINT16("signalListId") pathDomainName=Group(Word(alphanums+"*",alphanums+"-"+"*"+".",max=64))("pathDomainName") pathNAME=Combine(Optional("*")+NAME+Word("/"+"*"+alphanums+"_"+"$")+Optional("@"+pathDomainName))("pathNAME") pkgdName=Combine((PackageName+SLASH+ItemID)|(PackageName+SLASH+"*")|("*"+SLASH+"*")) alternativeValue=Combine((VALUE|LSBRKT+delimitedList(VALUE, COMMA)+RSBRKT|LBRKT+delimitedList(VALUE, COMMA) +RBRKT|LSBRKT+VALUE+COLON+VALUE+RSBRKT))("alternativeValue") parmValue=((EQUAL+alternativeValue|INEQUAL+VALUE))("parmValue") propertyParm=Group(pkgdName+parmValue)("propertyParm") extensionParameter=Group(Literal("X")+(Literal("-")|"+")+Word(ALPHA+DIGIT,min=1,max=6))("extensionParameter") contextIdList=Group(ContextListToken+EQUAL+LBRKT+delimitedList(ContextID, COMMA) +RBRKT)("contextIdList") contextAttrDescriptor=Group(ContextAttrToken+LBRKT+(contextIdList|delimitedList(propertyParm, COMMA))+RBRKT)("contextAttr") emergencyValue=Group(EmergencyValueToken+EQUAL+(EmergencyToken|EmergencyOffToken))("emergencyValue") iepsValue=Group(IEPSToken+EQUAL+(Literal("ON")|"OFF"))("iepsValue") priority=Group(PriorityToken+EQUAL+UINT16)("priority") topologyDirection=Group(BothwayToken|IsolateToken|OnewayToken|OnewayExternalToken|OnewayBothToken)("topologyDirection") TerminationID=(Literal("ROOT")|pathNAME|"$"|"*")("TerminationID") terminationB=(TerminationID)("terminationB") terminationA=(TerminationID)("terminationA") eventStream=Group(StreamToken+EQUAL+StreamID)("eventStream") topologyTriple=Group(terminationA+COMMA+terminationB+COMMA+topologyDirection+Optional(COMMA+eventStream))("topologyTriple") topologyDescriptor=Group(TopologyToken+LBRKT+delimitedList(topologyTriple, COMMA)+RBRKT)("topology") statisticsParameter=Group(pkgdName+Optional(EQUAL+VALUE|(LSBRKT+delimitedList(VALUE, COMMA)+RSBRKT)))("statisticsParameter") statisticsDescriptor=Group(StatsToken+LBRKT+delimitedList(statisticsParameter, COMMA)+RBRKT)("statistics") TimeStamp=Group(Date+"T"+Time)("TimeStamp") packagesItem=Group(NAME+"-"+UINT16)("packagesItem") Version=Group(Word(DIGIT,min=1,max=2))("Version") packagesDescriptor=Group(PackagesToken+LBRKT+delimitedList(packagesItem, COMMA)+RBRKT)("packages") extension=Group(extensionParameter+parmValue)("extension") serviceChangeVersion=Group(VersionToken+EQUAL+Version)("serviceChangeVersion") serviceChangeProfile=Group(ProfileToken+EQUAL+NAME+SLASH+Version)("serviceChangeProfile") deviceName=Group(pathNAME)("deviceName") TransactionID=UINT32("TransactionID") ErrorCode=Word(DIGIT,min=1,max=4)("ErrorCode") mtpAddress=Group(MTPToken+LBRKT+Word(HEXDIG,min=4,max=8)+RBRKT)("mtpAddress") portNumber=Group(UINT16)("portNumber") hex4=Group(Word(HEXDIG,min=1,max=4))("hex4") hexseq=Group(hex4+ZeroOrMore(":"+hex4))("hexseq") hexpart=Group(hexseq+"::"+Optional(hexseq)|"::"+Optional(hexseq)|hexseq)("hexpart") V4hex=Group(Word(DIGIT,min=1,max=3))("V4hex") IPv4address=Group(V4hex+DOT+V4hex+DOT+V4hex+DOT+V4hex)("IPv4address") IPv6address=Group(hexpart+Optional(":"+IPv4address))("IPv6address") domainAddress=Group(Literal("[")+(IPv4address|IPv6address)+"]")("domainAddress") domainName=Group("&lt;"+Word(ALPHA+DIGIT,ALPHA+DIGIT+"-"+".",max=64)+"&gt;")("domainName") mId=(((domainAddress|domainName)+Optional(":"+portNumber))|mtpAddress|deviceName)("mId") sigIntsigDelay=Group(IntsigDelayToken+EQUAL+UINT16)("sigIntsigDelay") sigRequestID=(RequestIDToken+EQUAL+RequestID)("sigRequestID") direction=Group(ExternalToken|InternalToken|BothToken)("direction") sigDirection=Group(DirectionToken+EQUAL+direction)("sigDirection") sigDuration=Group(DurationToken+EQUAL+UINT16)("sigDuration") signalType=Group((OnOffToken|TimeOutToken|BriefToken))("signalType") sigSignalType=Group(SignalTypeToken+EQUAL+signalType)("sigSignalType") sigOther=Group(sigParameterName+parmValue)("sigOther") sigStream=Group(StreamToken+EQUAL+StreamID)("sigStream") signalName=Group(pkgdName)("signalName") notificationReason=Group(TimeOutToken|InterruptByEventToken|InterruptByNewSignalsDescrToken|OtherReasonToken|IterationToken)("notificationReason") notifyCompletion=Group(NotifyCompletionToken+EQUAL+(LBRKT+delimitedList(notificationReason, COMMA)+RBRKT))("notifyCompletion") sigParameter=Group(sigStream|sigSignalType|sigDuration|sigOther|notifyCompletion|KeepActiveToken|sigDirection|sigRequestID|sigIntsigDelay)("sigParameter") signalRequest=Group(signalName+Optional(LBRKT+delimitedList(sigParameter, COMMA)+RBRKT))("signalRequest") signalListParm=Group(signalRequest)("signalListParm") signalList=Group(SignalListToken+EQUAL+signalListId+LBRKT+delimitedList(signalListParm,COMMA)+RBRKT)("signalList") signalParm=Group(signalList|signalRequest)("signalParm") signalsDescriptor=Group(SignalsToken+Optional(LBRKT+delimitedList(signalParm,COMMA)+RBRKT))("signals") serviceChangeMgcId=(MgcIdToken+EQUAL+mId)("serviceChangeMgcId") serviceChangeAddress=Group(ServiceChangeAddressToken+EQUAL+(mId|portNumber))("serviceChangeAddress") serviceChangeDelay=Group(DelayToken+EQUAL+UINT32)("serviceChangeDelay") serviceChangeReason=Group(ReasonToken+EQUAL+VALUE)("serviceChangeReason") serviceChangeMethod=Group(MethodToken+EQUAL+(FailoverToken|ForcedToken|GracefulToken|RestartToken|DisconnectedToken|HandOffToken|extensionParameter))("serviceChangeMethod") servChgReplyParm=Group(serviceChangeAddress|serviceChangeMgcId|serviceChangeProfile|serviceChangeVersion|TimeStamp)("servChgReplyParm") serviceChangeReplyDescriptor=Group(ServicesToken+LBRKT+delimitedList(servChgReplyParm, COMMA)+RBRKT)("serviceChangeReply") auditReturnItem=Group((MuxToken|ModemToken|MediaToken|DigitMapToken|StatsToken|ObservedEventsToken|PackagesToken))("auditReturnItem") indAudpackagesDescriptor=Group(PackagesToken+LBRKT+packagesItem+RBRKT)("indAudpackages") indAudstatisticsDescriptor=Group(StatsToken+LBRKT+pkgdName+RBRKT)("indAudstatistics") indAuddigitMapDescriptor=Group(DigitMapToken+EQUAL+(digitMapName))("indAuddigitMap") indAudsignalRequestParm=Group(sigStream|sigRequestID)("indAudsignalRequestParm") indAudsignalRequest=Group(signalName+Optional(LBRKT+delimitedList(indAudsignalRequestParm, COMMA)+RBRKT))("indAudsignalRequest") indAudsignalListParm=Group(indAudsignalRequest)("indAudsignalListParm") indAudsignalList=Group(SignalListToken+EQUAL+signalListId+Optional(LBRKT+indAudsignalListParm+RBRKT))("indAudsignalList") indAudsignalParm=Group(indAudsignalList|indAudsignalRequest)("indAudsignalParm") indAudsignalsDescriptor=Group(SignalsToken+LBRKT+Optional(indAudsignalParm)+RBRKT)("indAudsignals") indAudrequestedEvent=Group(pkgdName)("indAudrequestedEvent") indAudeventsDescriptor=Group(EventsToken+Optional(EQUAL+RequestID)+LBRKT+indAudrequestedEvent+RBRKT)("indAudevents") eventParameterName=Group(NAME)("eventParameterName") eventOther=Group(eventParameterName+parmValue)("eventOther") indAudeventSpecParameter=Group(eventStream|eventParameterName)("indAudeventSpecParameter") indAudeventSpec=Group(pkgdName+Optional(LBRKT+indAudeventSpecParameter+RBRKT))("indAudeventSpec") indAudeventBufferDescriptor=Group(EventBufferToken+LBRKT+indAudeventSpec+RBRKT)("indAudeventBuffer") serviceStatesValue=Group((TestToken|OutOfSvcToken|InSvcToken))("serviceStatesValue") indAudterminationStateParm=Group(pkgdName|propertyParm|ServiceStatesToken+Optional((EQUAL|INEQUAL)+serviceStatesValue)|BufferToken)("indAudterminationStateParm") indAudterminationStateDescriptor=Group(TerminationStateToken+LBRKT+indAudterminationStateParm+RBRKT)("indAudterminationState") streamModes=(SendonlyToken|RecvonlyToken|SendrecvToken|InactiveToken|LoopbackToken)("Mode") indAudlocalParm=Group(ModeToken+Optional((EQUAL|INEQUAL)+streamModes)|pkgdName|propertyParm|ReservedValueToken|ReservedGroupToken)("indAudlocalParm") indAudlocalControlDescriptor=Group(LocalControlToken+LBRKT+delimitedList(indAudlocalParm, COMMA)+RBRKT)("indAudlocalControl") indAudstreamParm=Forward() indAudstreamDescriptor=Group(StreamToken+EQUAL+StreamID+LBRKT+indAudstreamParm+RBRKT)("indAudstream") indAudlocalDescriptor=Group(LocalToken+LBRKT+octetString+RBRKT)("indAudlocal") indAudremoteDescriptor=Group(RemoteToken+LBRKT+octetString+RBRKT)("indAudremote") indAudstreamParm&lt;&lt;(indAudlocalControlDescriptor|indAudstatisticsDescriptor|indAudremoteDescriptor|indAudlocalDescriptor) indAudmediaParm=indAudstreamParm|indAudstreamDescriptor|indAudterminationStateDescriptor indAudmediaDescriptor=Group(MediaToken+LBRKT+delimitedList(indAudmediaParm, COMMA)+RBRKT)("indAudmedia") indAudauditReturnParameter=indAudmediaDescriptor|indAudeventsDescriptor|indAudsignalsDescriptor|indAuddigitMapDescriptor|indAudeventBufferDescriptor|indAudstatisticsDescriptor|indAudpackagesDescriptor indAudterminationAudit=Group(delimitedList(indAudauditReturnParameter, COMMA))("indAudterminationAudit") auditItem=Group(auditReturnItem|SignalsToken|EventBufferToken|EventsToken|indAudterminationAudit)("auditItem") serviceChangeParm=Group(serviceChangeMethod|serviceChangeReason|serviceChangeDelay|serviceChangeAddress|serviceChangeProfile|extension|TimeStamp|serviceChangeMgcId|serviceChangeVersion|ServiceChangeIncompleteToken|auditItem)("serviceChangeParm") serviceChangeDescriptor=Group(ServicesToken+LBRKT+delimitedList(serviceChangeParm,COMMA)+RBRKT)("serviceChange") digitMapLetter=DIGIT+srange("[\\0x41-\\0x4B]")+srange("[\\0x61-\\0x6B]")+"L"+"S"+"T"+"Z" digitLetter=Group(Word(DIGIT+"-"+DIGIT)|Word(digitMapLetter))("digitLetter") digitMapRange=Group((Literal("x")|(LWSP+"["+LWSP+digitLetter+LWSP+"]"+LWSP)))("digitMapRange") digitPosition=Group(digitMapLetter|digitMapRange)("digitPosition") digitStringElement=Group(digitPosition+Optional(DOT))("digitStringElement") digitString=Group(OneOrMore(digitStringElement))("digitString") digitStringList=Group(digitString+ZeroOrMore(LWSP+"|"+LWSP+digitString))("digitStringList") digitMap=Group((digitString|LWSP+"("+LWSP+digitStringList+LWSP+")"+LWSP))("digitMap") Timer=Group(Word(DIGIT,min=1,max=2))("Timer") digitMapValue=Group(Optional("T"+COLON+Timer+COMMA)+Optional("S"+COLON+Timer+COMMA)+Optional("L"+COLON+Timer+COMMA)+Optional("Z"+COLON+Timer+COMMA)+digitMap)("digitMapValue") digitMapDescriptor=Group(DigitMapToken+EQUAL+((LBRKT+digitMapValue+RBRKT)| (digitMapName+Optional(LBRKT+digitMapValue+RBRKT))))("digitMap") modemType=Group(V32bisToken|V22bisToken|V18Token|V22Token|V32Token|V34Token|V90Token|V91Token|SynchISDNToken|extensionParameter)("modemType") modemDescriptor=Group(ModemToken+((EQUAL+modemType)|(LSBRKT+delimitedList(modemType, COMMA)+RSBRKT))+Optional(LBRKT+delimitedList(propertyParm, COMMA)+RBRKT))("modem") observedEventParameter=(eventStream|eventOther) observedEvent=Group(Optional(TimeStamp+LWSP+COLON)+LWSP+pkgdName+Optional(LBRKT+delimitedList(observedEventParameter,COMMA)+RBRKT))("observedEvent") observedEventsDescriptor=Group(ObservedEventsToken+EQUAL+RequestID+LBRKT+SkipTo(RBRKT)+RBRKT)("observedEvents") eventDM=Group(DigitMapToken+EQUAL((digitMapName)|(LBRKT+digitMapValue+RBRKT)))("eventDM") embedSig=Group(EmbedToken+LBRKT+signalsDescriptor+RBRKT)("embedSig") secondEventParameter=Forward() secondRequestedEvent=Group(pkgdName+Optional(LBRKT+delimitedList(secondEventParameter, COMMA)+RBRKT))("secondRequestedEvent") embedFirst=Group(EventsToken+Optional(EQUAL+RequestID+LBRKT+delimitedList(secondRequestedEvent,COMMA)+RBRKT))("embedFirst") embedNoSig=Group(EmbedToken+LBRKT+embedFirst+RBRKT)("embedNoSig") embedWithSig=Group(EmbedToken+LBRKT+signalsDescriptor+Optional(COMMA+embedFirst)+RBRKT)("embedWithSig") notifyRegulated=Group(NotifyRegulatedToken+Optional(LBRKT+(embedWithSig|embedNoSig)+RBRKT))("notifyRegulated") notifyBehaviour=Group(NotifyImmediateToken|notifyRegulated|NeverNotifyToken)("notifyBehaviour") eventParameter=Group((embedWithSig|embedNoSig|KeepActiveToken|eventDM|eventStream|eventOther|notifyBehaviour|ResetEventsDescriptorToken))("eventParameter") secondEventParameter&lt;&lt;(embedSig|KeepActiveToken|eventDM|eventStream|eventOther|notifyBehaviour|ResetEventsDescriptorToken) requestedEvent=Group(pkgdName+Optional(LBRKT+delimitedList(eventParameter, COMMA)+RBRKT))("requestedEvent") eventsDescriptor=Group(EventsToken+Optional(EQUAL+RequestID+LBRKT+delimitedList(requestedEvent,COMMA)+RBRKT))("events") MuxType=Group((H221Token|H223Token|H226Token|V76Token|extensionParameter|Nx64kToken))("MuxType") serviceStates=Group(ServiceStatesToken+EQUAL+serviceStatesValue)("serviceStates") eventBufferControlValue=Group(("OFF"|LockStepToken))("eventBufferControlValue") eventBufferControl=Group(BufferToken+EQUAL+eventBufferControlValue)("eventBufferControl") terminationStateParm=Group((propertyParm|serviceStates|eventBufferControl))("terminationStateParm") terminationStateDescriptor=Group(TerminationStateToken+LBRKT+delimitedList(terminationStateParm, COMMA)+RBRKT)("terminationState") eventSpecParameter=Group((eventStream|eventOther))("eventSpecParameter") eventSpec=Group(pkgdName+Optional(LBRKT+delimitedList(eventSpecParameter,COMMA)+RBRKT))("eventSpec") eventBufferDescriptor=Group(EventBufferToken+Optional(LBRKT+delimitedList(eventSpec, COMMA)+RBRKT))("eventBuffer") remoteDescriptor=(RemoteToken+LBRKT+octetString+RBRKT)("Remote") localDescriptor=(LocalToken+LBRKT+octetString+RBRKT)("Local") streamMode=(ModeToken+EQUAL+streamModes) reservedGroupMode=Group(ReservedGroupToken+EQUAL+(Literal("ON")|"OFF"))("reservedGroupMode") reservedValueMode=Group(ReservedValueToken+EQUAL+(Literal("ON")|"OFF"))("reservedValueMode") localParm=(streamMode|propertyParm|reservedValueMode|reservedGroupMode) localControlDescriptor=Group(LocalControlToken+LBRKT+delimitedList(localParm,COMMA)+RBRKT)("LocalControl") localControlDescriptor=Group(LocalControlToken+LBRKT+octetString+RBRKT)("LocalControl") streamParm=(localDescriptor|remoteDescriptor|localControlDescriptor|statisticsDescriptor) streamDescriptor=Group(StreamToken+EQUAL+StreamID+LBRKT+delimitedList(streamParm, COMMA)+RBRKT)("Stream") mediaParm=streamParm|streamDescriptor|terminationStateDescriptor mediaDescriptor=Group(MediaToken+LBRKT+delimitedList(mediaParm, COMMA)+RBRKT)("Media") terminationIDList=Group(LBRKT+delimitedList(TerminationID, COMMA)+RBRKT)("terminationIDList") muxDescriptor=Group(MuxToken+EQUAL+MuxType+terminationIDList)("mux") termIDList=Group((TerminationID|LSBRKT+TerminationID+OneOrMore(COMMA+TerminationID)+RSBRKT))("termIDList") errorDescriptor=Group(ErrorToken+EQUAL+ErrorCode+LBRKT+Optional(quotedString)+RBRKT)("error") serviceChangeReply=Group(ServiceChangeToken+EQUAL+termIDList+Optional(LBRKT+(errorDescriptor|serviceChangeReplyDescriptor)+RBRKT))("serviceChangeReply") serviceChangeRequest=Group(ServiceChangeToken+EQUAL+termIDList+LBRKT+serviceChangeDescriptor+RBRKT)("serviceChangeRequest") notifyReply=Group(NotifyToken+EQUAL+termIDList+Optional(LBRKT+errorDescriptor+RBRKT))("notifyReply") notifyRequest=Group(NotifyToken+EQUAL+termIDList+LBRKT+(observedEventsDescriptor+Optional(COMMA+errorDescriptor))+RBRKT)("notifyRequest") auditDescriptor=Group(AuditToken+LBRKT+Optional(delimitedList(auditItem,COMMA))+RBRKT)("audit") auditReturnParameter=(mediaDescriptor|modemDescriptor|muxDescriptor|eventsDescriptor|signalsDescriptor|digitMapDescriptor|observedEventsDescriptor|eventBufferDescriptor|statisticsDescriptor|packagesDescriptor|errorDescriptor|auditReturnItem) contextTerminationAudit=Group(EQUAL+CtxToken+(terminationIDList|LBRKT+errorDescriptor+RBRKT))("contextTerminationAudit") terminationAudit=Group(delimitedList(auditReturnParameter,COMMA))("terminationAudit") auditOther=Group(EQUAL+termIDList+Optional(LBRKT+terminationAudit+RBRKT))("auditOther") auditReply=Group((AuditValueToken|AuditCapToken)+(contextTerminationAudit|auditOther))("auditReply") auditRequest=Group((AuditValueToken|AuditCapToken)+EQUAL+termIDList+LBRKT+auditDescriptor+RBRKT)("auditRequest") subtractRequest=Group(SubtractToken+EQUAL+termIDList+Optional(LBRKT+auditDescriptor+RBRKT))("subtractRequest") ammsReply=Group((AddToken|MoveToken|ModifyToken|SubtractToken)+EQUAL+termIDList+Optional(LBRKT+terminationAudit+RBRKT))("ammsReply") ammParameter=mediaDescriptor|modemDescriptor|muxDescriptor|eventsDescriptor|signalsDescriptor|digitMapDescriptor|eventBufferDescriptor|auditDescriptor|statisticsDescriptor ammRequestBody=EQUAL+termIDList+Optional(LBRKT+delimitedList(ammParameter, COMMA)+RBRKT) ammRequest=Group((MoveToken|ModifyToken)+ ammRequestBody )("ammRequest") addRequest=Group(AddToken + ammRequestBody)("Add") segmentNumber=UINT16("segmentNumber") segmentReply=Group(MessageSegmentToken+EQUAL+TransactionID+SLASH+segmentNumber+Optional(SLASH+SegmentationCompleteToken))("segmentReply") commandRequest=addRequest| ammRequest | subtractRequest|auditRequest|notifyRequest|serviceChangeRequest commandRequestList=delimitedList(Optional("O-")+Optional("W-")+commandRequest, COMMA) AndAUDITselectToken=Group(Literal("TODO"))("AndAUDITselectToken") OrAUDITselectToken=Group(Literal("TODO"))("OrAUDITselectToken") auditSelectLogic=Group(Optional(AndAUDITselectToken|OrAUDITselectToken))("auditSelectLogic") contextAuditSelector=Group(priority|emergencyValue|iepsValue|contextAttrDescriptor|auditSelectLogic)("contextAuditSelector") contextAuditProperties=Group((TopologyToken|EmergencyToken|PriorityToken|IEPSToken|pkgdName|contextAuditSelector))("contextAuditProperties") indAudcontextAttrDescriptor=Group(ContextAttrToken+LBRKT+delimitedList(contextAuditProperties, COMMA)+RBRKT)("indAudcontextAttr") contextAudit=Group(ContextAuditToken+LBRKT+(delimitedList(contextAuditProperties,COMMA))|indAudcontextAttrDescriptor+RBRKT)("contextAudit") contextProperty=Group((topologyDescriptor|priority|EmergencyToken|EmergencyOffToken|iepsValue|contextAttrDescriptor))("contextProperty") contextProperties=Group(delimitedList(contextProperty,COMMA))("contextProperties") commandReplys=(serviceChangeReply|auditReply|ammsReply|notifyReply) commandReplyList=Group(delimitedList(commandReplys,COMMA))("commandReplyList") commandReply=Group(((contextProperties+Optional(COMMA+commandReplyList))|commandReplyList))("commandReply") actionReply=Group(CtxToken+EQUAL+ContextID+Optional(LBRKT+(errorDescriptor|commandReply|(commandReply+COMMA+errorDescriptor))+RBRKT))("actionReply") actionReplyList=Group(delimitedList(actionReply,COMMA))("actionReplyList") transactionReply=Group(ReplyToken+EQUAL+TransactionID+Optional(SLASH+segmentNumber+Optional(SLASH+SegmentationCompleteToken))+LBRKT+Optional(ImmAckRequiredToken+COMMA)+(errorDescriptor|actionReplyList)+RBRKT)("TransactionReply") contextRequest=Group(((contextProperties+Optional(COMMA+contextAudit))|contextAudit))("contextRequest") actionRequest=Group(CtxToken+EQUAL+ContextID+LBRKT+((contextRequest+Optional(COMMA+commandRequestList))|commandRequestList)+RBRKT)("actionRequest") transactionRequest=Group(TransToken+EQUAL+TransactionID+LBRKT+delimitedList(actionRequest, COMMA)+RBRKT)("TransactionRequest") transactionAck=Group(TransactionID|(TransactionID+"-"+TransactionID))("TransactionAck") transactionResponseAck=Group(ResponseAckToken+LBRKT+transactionAck+ZeroOrMore(COMMA+transactionAck)+RBRKT)("transactionResponseAck") transactionPending=Group(PendingToken+EQUAL+TransactionID+LBRKT+RBRKT)("transactionPending") transactionList=OneOrMore(transactionRequest|transactionReply|transactionPending|transactionResponseAck|segmentReply) messageBody=(transactionList | errorDescriptor) Message=Group(MegacopToken+SLASH+Version+SkipTo(lineEnd)+messageBody)("Message") AuthData=Group("0x"+Word(HEXDIG,min=24,max=64))("AuthData") SequenceNum=Group("0x"+Word(HEXDIG,exact=8))("SequenceNum") SecurityParmIndex=Group("0x"+Word(HEXDIG,exact=8))("SecurityParmIndex") authenticationHeader=Group(AuthToken+EQUAL+SecurityParmIndex+COLON+SequenceNum+COLON+AuthData)("authenticationHeader") megacoMessage=Group(LWSP+Optional(authenticationHeader+SEP)+Message)("megacoMessage").streamline() </code></pre>
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