ComponentAccumulator.py

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# Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
 
import GaudiConfig2
from GaudiKernel.DataHandle import DataHandle
import GaudiKernel.GaudiHandles as GaudiHandles
 
from AthenaCommon.Logging import logging
from AthenaCommon.Debugging import DbgStage
from AthenaCommon.CFElements import (isSequence, findSubSequence, findAlgorithm, iterSequences,
                                     checkSequenceConsistency, findAllAlgorithmsByName)
 
from AthenaConfiguration.AccumulatorCache import AccumulatorCachable
from AthenaConfiguration.ComponentFactory import CompFactory, isComponentAccumulatorCfg
from AthenaConfiguration.Deduplication import deduplicate, deduplicateOne, DeduplicationFailed
from AthenaConfiguration.DebuggingContext import (Context, raiseWithCurrentContext, shortCallStack,
                                                  createContextForDeduplication)
 
import atexit
from collections.abc import Sequence
import sys,os
 
class ConfigurationError(RuntimeError):
    pass
 
# Always create these services in this order:
_basicServicesToCreateOrder=("CoreDumpSvc/CoreDumpSvc",
                             "GeoModelSvc/GeoModelSvc",
                             "DetDescrCnvSvc/DetDescrCnvSvc")
 
# Disable check of unmerged CA if we are exiting. This avoids an error on exceptions but
# also the need to mark CAs as merged in top-level scripts (e.g. unit tests).
def __exit():
    ComponentAccumulator._checkUnmerged = False
atexit.register(__exit)
 
 
def printProperties(msg, c, nestLevel = 0, printDefaults=False):
 
    # Dictionary of (default and) explicitly set values with latter taking precedence
    props = {**c.getDefaultProperties(), **c._properties} if printDefaults else c._properties
 
    for propname, propval in sorted(props.items()):
 
        # Recursively expand these types:
        if isinstance(propval, GaudiConfig2.Configurable):
            msg.info("%s    * %s: %s", " "*nestLevel, propname, propval.getFullJobOptName())
            printProperties(msg, propval, nestLevel+3, printDefaults)
 
        elif isinstance(propval, GaudiHandles.PrivateToolHandleArray):
            msg.info( "%s    * %s: PrivateToolHandleArray of size %s", " "*nestLevel, propname, len(propval))
            for el in propval:
                msg.info( "%s    * %s/%s", " "*(nestLevel+3), el.__cpp_type__, el.getName())
                printProperties(msg, el, nestLevel+6, printDefaults)
 
        # Only print handle keys:
        elif isinstance(propval, DataHandle):
            propval = propval.Path
 
        msg.info("%s    * %s: %r", " "*nestLevel, propname, propval)
 
 
def filterComponents (comps, onlyComponents = []):
    ret = []
    for c in comps:
        if not onlyComponents or c.getName() in onlyComponents:
            ret.append((c, True))
        elif c.getName()+'-' in onlyComponents:
            ret.append((c, False))
    return ret
 
 
class ComponentAccumulator(AccumulatorCachable):
    # the debug mode is combination of the following strings:
    # trackCA - to track CA creation,
    # track[EventAlgo|CondAlgo|PublicTool|PrivateTool|Service|Sequence] - to track categories components addition
    debugMode=""
    _checkUnmerged = True
 
    def __init__(self,sequence='AthAlgSeq'):
        # Ensure that we are not operating in the legacy Athena Configurable mode
        # where only a single global instance exists
        if not isComponentAccumulatorCfg():
            raise ConfigurationError(
                """
                ComponentAccumulator initialised with legacy (global) Configurable behavior!
                CA Deduplication is impossible in this mode.
                Create the CA using the AthenaCommon.Configurable.ConfigurableCABehavior context manager.
                """
            )
        self._msg=logging.getLogger('ComponentAccumulator')
        if isinstance(sequence, str):
            kwargs={'IgnoreFilterPassed' : True,
                    'StopOverride'       : True }
            if sequence == 'AthAlgSeq' :
                kwargs.setdefault('ProcessDynamicDataDependencies',True)
                kwargs.setdefault('ExtraDataForDynamicConsumers',[])
 
            # (Nested) default sequence of event processing algorithms per sequence + their private tools
            sequence = CompFactory.AthSequencer(sequence, **kwargs)
 
        self._sequence = sequence
        self._allSequences = [self._sequence]
        self._algorithms = {}            #Dictionary of algorithm instances keyed by name
        self._conditionsAlgs = []        #Unordered list of conditions algorithms + their private tools
        self._services = []              #List of service, not yet sure if the order matters here in the MT age
        self._servicesToCreate = []
        self._auditors = []              #List of auditors
        self._privateTools = None        #A placeholder to carry a private tool(s) not yet attached to its parent
        self._primaryComp = None         #A placeholder to designate the primary service
        self._currentDomain = None       #Currently marked PerfMon domain
        self._domainsRegistry = {}       #PerfMon domains registry
 
        self._theAppProps = dict()        #Properties of the ApplicationMgr
 
        #Backward compatibility hack: Allow also public tools:
        self._publicTools = []
 
        #To check if this accumulator was merged:
        self._wasMerged = False
        self._isMergable = True
        self._lastAddedComponent = "Unknown"
        self._creationCallStack = Context.hint if "trackCA" not in ComponentAccumulator.debugMode else shortCallStack()
        self._componentsContext = dict()
        self._debugStage = DbgStage()
        self.interactive = ""
 
    def setAsTopLevel(self):
        self._isMergable = False
 
    def _inspect(self): #Create a string some basic info about this CA, useful for debugging
        summary = "This CA contains {0} service(s), {1} conditions algorithm(s), {2} event algorithm(s) and {3} public tool(s):\n"\
            .format(len(self._services),len(self._conditionsAlgs),len(self._algorithms),len(self._publicTools))
 
        if self._privateTools:
            if isinstance(self._privateTools, list):
                summary += "  Private AlgTool: " + self._privateTools[-1].getFullJobOptName() + "\n"
            else:
                summary += "  Private AlgTool: " + self._privateTools.getFullJobOptName() + "\n"
 
        if self._primaryComp:
            summary += "  Primary Component: " + self._primaryComp.getFullJobOptName() + "\n"      
 
        summary += "  Sequence(s): " + ", ".join([s.name+(" (main)" if s == self._sequence else "") for s in self._allSequences]) + "\n"
        summary += "  Last component added: " + self._lastAddedComponent+"\n"
        summary += "  Created by: " + self._creationCallStack
        return summary
 
    def _cleanup(self): 
        # Delete internal data structures, to be called after all properties are transferred to the C++ application
        del self._sequence
        del self._allSequences
        del self._algorithms
        del self._conditionsAlgs
        del self._services
        del self._publicTools
        del self._auditors
 
        # Clear all AccumulatorCaches
        from AthenaConfiguration.AccumulatorCache import AccumulatorDecorator
        AccumulatorDecorator.clearCache()
 
        # Run garbage collector
        import gc
        gc.collect()
 
    def empty(self):
        return (len(self._sequence.Members)+len(self._conditionsAlgs)+len(self._services)+
                len(self._publicTools)+len(self._theAppProps) == 0)
 
    def __del__(self):
         if self._checkUnmerged and not getattr(self,'_wasMerged',True) and not self.empty():
             log = logging.getLogger("ComponentAccumulator")
             log.error("ComponentAccumulator was never merged. %s\n", self._inspect())
             import traceback
             traceback.print_stack()
         if getattr(self,'_privateTools',None) is not None:
             log = logging.getLogger("ComponentAccumulator")
             log.error("Deleting a ComponentAccumulator with dangling private tool(s): %s", 
                        " ".join([t.name for t in self._privateTools]) if isinstance(self._privateTools, Sequence) else self._privateTools.name)
 
    def _cacheEvict(self):
        """Called by AccumulatorCache when deleting item from cache"""
        self.popPrivateTools(quiet=True)
        self.wasMerged()
 
    def __getstate__(self):
        state = self.__dict__.copy()
        # Remove the unpicklable entries.
        del state['_msg']
        return state
 
    def __setstate__(self,state):
        self.__dict__.update(state)
        #Re-enstate logger
        self._msg=logging.getLogger('ComponentAccumulator')
 
 
    def printCondAlgs(self, summariseProps=False, onlyComponents=[], printDefaults=False):
        self._msg.info( "Condition Algorithms" )
        for (c, flag) in filterComponents (self._conditionsAlgs, onlyComponents):
            self._msg.info( " \\__ %s (cond alg)%s", c.name, self._componentsContext.get(c.name,""))
            if summariseProps and flag:
                printProperties(self._msg, c, 1, printDefaults)
        return
 
 
    # If onlyComponents is set, then only print components with names
    # that appear in the onlyComponents list.  If a name is present
    # in the list with a trailing `-', then only the name of the component
    # will be printed, not its properties.
    def printConfig(self, withDetails=False, summariseProps=False,
                    onlyComponents = [], printDefaults=False, printSequenceTreeOnly=False, prefix=None):
        msg = logging.getLogger(prefix) if prefix else self._msg
 
        msg.info( "Event Algorithm Sequences" )
 
        def printSeqAndAlgs(seq, nestLevel = 0,
                            onlyComponents = []):
            def __prop(name):
                if name in seq._properties:
                    return seq._properties[name]
                return seq._descriptors[name].default
            if withDetails:
                msg.info( "%s\\__ %s (seq: %s %s)", " "*nestLevel, seq.name,
                                "SEQ" if __prop("Sequential") else "PAR",
                                "OR" if __prop("ModeOR") else "AND" + self._componentsContext.get(seq.name, "") )
            else:
                msg.info( "%s\\__ %s", " "*nestLevel, seq.name)
 
            nestLevel += 3
            for (c, flag) in filterComponents(seq.Members, onlyComponents):
                if isSequence(c):
                    printSeqAndAlgs(c, nestLevel, onlyComponents = onlyComponents )
                else:
                    if withDetails:
                        msg.info( "%s\\__ %s (alg) %s", " "*nestLevel, c.getFullJobOptName(), self._componentsContext.get(c.name, ""))
                    else:
                        msg.info( "%s\\__ %s", " "*nestLevel, c.name )
                    if summariseProps and flag:
                        printProperties(msg, c, nestLevel, printDefaults)
 
 
        for n,s in enumerate(self._allSequences):
            msg.info( "Top sequence %d", n )
            printSeqAndAlgs(s, onlyComponents = onlyComponents)
 
        if printSequenceTreeOnly:
            return
 
        self.printCondAlgs (summariseProps = summariseProps,
                            onlyComponents = onlyComponents)
        msg.info( "Services" )
        msg.info( [ s[0].name + (" (created) " if s[0].name in self._servicesToCreate else "")
                              for s in filterComponents (self._services, onlyComponents) ] )
        msg.info( "Public Tools" )
        msg.info( "[" )
        for (t, flag) in filterComponents (self._publicTools, onlyComponents):
            msg.info( "  %s,", t.getFullJobOptName() + self._componentsContext.get(t.name,""))
            # Not nested, for now
            if summariseProps and flag:
                printProperties(msg, t, printDefaults)
        msg.info( "]" )
        msg.info( "Private Tools")
        msg.info( "[" )
        if self._privateTools:
            for tool in self._privateTools if isinstance(self._privateTools, Sequence) else [self._privateTools]:
                msg.info( "  %s,", tool.getFullJobOptName() + self._componentsContext.get(tool.name,""))
                if summariseProps:
                    printProperties(msg, tool, printDefaults)
        msg.info( "]" )
        if self._auditors:
            msg.info( "Auditors" )
            msg.info( [ a[0].name for a in filterComponents(self._auditors, onlyComponents) ] )
 
        msg.info( "theApp properties" )
        for k, v in self._theAppProps.items():
            msg.info("  %s : %s", k, v)
 
    def getIO(self):
        """
        Returns information about inputs needed and outputs produced by this CA
 
        It is a list of dictionaries containing the: type, key, R / W, the component and name of the property via which it is set
        """
        def __getHandles(comp):
            io = []
            for i in comp.ExtraInputs:
                io.append({"type": i[0],
                            "key": i[1],
                            "comp": comp.getFullJobOptName(),
                            "mode":  "R",
                            "prop": "ExtraInputs"})
            for i in comp.ExtraOutputs:
                io.append({"type": i[0],
                            "key": i[1],
                            "comp": comp.getFullJobOptName(),
                            "mode":  "W",
                            "prop": "ExtraOutputs"})
 
            for prop, descr in comp._descriptors.items():
                if isinstance(descr.default, DataHandle):
                    io.append( {"type": descr.default.type(),
                                "key":  comp._properties[prop] if prop in comp._properties else  descr.default.path(),
                                "comp": comp.getFullJobOptName(),
                                "mode": descr.default.mode(),
                                "prop": prop })
                # TODO we should consider instantiating c++ defaults and fetching corresponsing props
                if "PrivateToolHandle" == descr.cpp_type and prop in comp._properties:
                    io.extend( __getHandles(comp._properties[prop]) )
                if "PrivateToolHandleArray" == descr.cpp_type and prop in comp._properties:
                    for tool in getattr(comp, prop):
                        io.extend( __getHandles(tool))
            return io
 
        ret = []
        for comp in self._allComponents():
            ret.extend(__getHandles(comp))
        return ret
 
 
    def addSequence(self, newseq, primary=False, parentName = None ):
        """ Adds new sequence. If second argument is present then it is added under another sequence  """
 
        if not isSequence(newseq):
            raise TypeError('{} is not a sequence'.format(newseq.name))
 
        if not isinstance(newseq, GaudiConfig2.Configurable):
            raise ConfigurationError('{} is not the Conf2 Sequence, ComponentAccumulator handles only the former'.format(newseq.name))
 
        algorithmsInside = findAllAlgorithmsByName(newseq)
        if len(algorithmsInside) != 0:
            raise ConfigurationError('{} contains algorithms (or sub-sequences contain them). That is not supported. Construct ComponentAccumulator and merge it instead'.format(newseq.name))
 
 
        if parentName is None:
            parent=self._sequence
        else:
            parent = findSubSequence(self._sequence, parentName )
            if parent is None:
                raise ConfigurationError("Missing sequence {} to add new sequence to".format(parentName))
 
        parent.Members.append(newseq)
        if "trackSequence" in ComponentAccumulator.debugMode:
            self._componentsContext[newseq] = shortCallStack()
 
        if primary:
            if self._primaryComp:
                self._msg.warning("addEventAlgo: Overwriting primary component of this CA. Was %s/%s, now %s/%s",
                                  self._primaryComp.__cpp_type__, self._primaryComp.name,
                                  newseq.__cpp_type__, newseq.name)
            #keep a ref of the sequence as primary component
            self._primaryComp = newseq
        return newseq
 
 
    def getSequence(self,sequenceName=None):
        if sequenceName is None:
            return self._sequence
        else:
            return findSubSequence(self._sequence,sequenceName)
 
    def setPrivateTools(self,privTool):
        """Use this method to carry private AlgTool(s) to the caller when returning this ComponentAccumulator.
        The method accepts either a single private AlgTool or a list of private AlgTools (typically assigned to ToolHandleArray)
        """
        if self._privateTools is not None:
            raise ConfigurationError("This ComponentAccumulator holds already a (list of) private tool(s). "
                                     "Only one (list of) private tool(s) is allowed")
 
        if isinstance(privTool, Sequence):
            for t in privTool:
                if t.__component_type__ != 'AlgTool':
                    raise ConfigurationError("ComponentAccumulator.setPrivateTools accepts only ConfigurableAlgTools "
                                             f"or lists of ConfigurableAlgTools. Encountered {type(t)} in a list")
        else:
            if privTool.__component_type__ != "AlgTool":
                raise ConfigurationError("ComponentAccumulator.setPrivateTools accepts only ConfigurableAlgTools "
                                          f"or lists of ConfigurableAlgTools. Encountered {type(privTool)}")
 
        self._privateTools=privTool
        if "trackPrivateTool" in ComponentAccumulator.debugMode:
            for tool in self._privateTools if isinstance(privTool, Sequence) else [self._privateTools]:
                self._componentsContext[tool.name] = shortCallStack()
 
        return
 
    def popPrivateTools(self, quiet=False):
        """Get the (list of) private AlgTools from this ComponentAccumulator.
        The CA will not keep any reference to the AlgTool. Throw an exception if
        no tools are available unless quiet=True.
        """
        tool = self._privateTools
        if not quiet and tool is None:
            raise ConfigurationError("Private tool(s) requested, but none are present")
        self._privateTools=None
        return tool
 
    def popToolsAndMerge(self, other):
        """ Merging in the other accumulator and getting the (list of) private AlgTools
        from this ComponentAccumulator.
        """
        if other is None:
            raise RuntimeError("popToolsAndMerge called on object of type None: "
                               "did you forget to return a CA from a config function?")
        tool = other.popPrivateTools()
        self.merge(other)
        return tool
 
    def getCurrentPerfmonDomain(self):
        """ Get the current PerfMon domain. """
        return self._currentDomain
 
    def flagPerfmonDomain(self, name):
        """ Mark the beginning of a new PerfMon domain. """
        self._msg.debug(f"Toggling the current algorithm domain to {name}")
        self._currentDomain = name
 
    def getInvertedPerfmonDomains(self):
        """ The actual registry keeps "alg":"domain".
        This function inverts the registry to get "domain":["algs"].
        """
        result = {}
        for i, v in self._domainsRegistry.items():
            result[v] = [i] if v not in result.keys() else result[v] + [i]
        return result
 
    def getAlgPerfmonDomain(self, name):
        """ Return the PerfMon domain of the given algorithm """
        if name in self._domainsRegistry:
            return self._domainsRegistry[name]
        else:
            self._msg.info(f"Algorithm {name} is not in PerfMon domains registry")
            return None
 
    def addAlgToPerfmonDomains(self, name, domain, overwrite=False):
        """ Add the algorithm to the domains registry. """
        if name not in self._domainsRegistry:
            if domain:
                self._domainsRegistry[name] = domain
                self._msg.debug(f"Added algorithm {name} to the PerfMon domain {domain}")
        else:
            if overwrite and domain:
                self._msg.info(f"Reassigned algorithm {name} "
                               f"from {self._domainsRegistry[name]} "
                               f"to {domain} PerfMon domain")
                self._domainsRegistry[name] = domain
            else:
                self._msg.debug(f"Algorithm {name} is already in the PerfMon "
                                 "domain, if you want to reassign do overwrite=True")
 
    def printPerfmonDomains(self):
        """ Print the PerfMon domains. """
        invertedDomains = self.getInvertedPerfmonDomains()
        self._msg.info(":: This CA contains the following PerfMon domains ::")
        self._msg.info(f":: There are a total of {len(self._domainsRegistry)} "
                       f"registered algorithms in {len(invertedDomains)} domains  ::")
        for domain, algs in invertedDomains.items():
            self._msg.info(f"+ Domain : {domain}")
            for alg in algs:
                self._msg.info("\\_ %s", alg)
        self._msg.info(":: End of PerfMon domains ::")
 
    def addEventAlgo(self, algorithms,sequenceName=None,primary=False,domain=None):
        if not isinstance(algorithms, Sequence):
            #Swallow both single algorithms as well as lists or tuples of algorithms
            algorithms=[algorithms,]
 
        if sequenceName is None:
            # If there is an AthAlgSeq add the event algorithm there by default
            # See ATEAM-825 for a more detailed discussion for this choice
            seq = findSubSequence(self._sequence, 'AthAlgSeq')
            if seq is None:
                seq = self._sequence
        else:
            seq = findSubSequence(self._sequence, sequenceName)
        if seq is None:
            self.printConfig()
            raise ConfigurationError("Can not find sequence {}".format(sequenceName))
 
        for algo in algorithms:
            if not isinstance(algo, GaudiConfig2.Configurable):
                raise TypeError(f"Attempt to add wrong type: {type(algo).__name__} as event algorithm")
 
            if algo.__component_type__ != "Algorithm":
                raise TypeError(f"Attempt to add an {algo.__component_type__} as event algorithm")
 
            if algo.name in self._algorithms:
                context = createContextForDeduplication("Merging with existing Event Algorithm", algo.name, self._componentsContext) # noqa : F841
                deduplicateOne(algo, self._algorithms[algo.name])
                deduplicateOne(self._algorithms[algo.name], algo)
            else:
                self._algorithms[algo.name]=algo
 
            existingAlgInDest = findAlgorithm(seq, algo.name)
            if not existingAlgInDest:
                seq.Members.append(self._algorithms[algo.name])
                # Assign the algorithm to a domain
                self.addAlgToPerfmonDomains(algo.name, self._currentDomain if not domain else domain)
 
        if primary:
            if len(algorithms)>1:
                self._msg.warning("Called addEvenAlgo with a list of algorithms and primary==True. "
                                  "Designating the first algorithm as primary component")
            if self._primaryComp:
                self._msg.warning("addEventAlgo: Overwriting primary component of this CA. Was %s/%s, now %s/%s",
                                  self._primaryComp.__cpp_type__, self._primaryComp.name,
                                  algorithms[0].__cpp_type__, algorithms[0].name)
            #keep a ref of the algorithm as primary component
            self._primaryComp = algorithms[0]
        self._lastAddedComponent = algorithms[-1].name
 
        if "trackEventAlgo" in ComponentAccumulator.debugMode:
            for algo in algorithms:
                self._componentsContext[algo.name] = shortCallStack()
 
        return None
 
    def getEventAlgo(self, name=None):
        """Get algorithm with `name`"""
        if name not in self._algorithms:
            raise ConfigurationError("Can not find an algorithm of name {} ".format(name))
        return self._algorithms[name]
 
    def getEventAlgos(self, seqName=None):
        """Get all algorithms within sequence"""
        seq = self._sequence if seqName is None else findSubSequence(self._sequence, seqName )
        return [s for s in iterSequences(seq) if not isSequence(s)]
 
    def addCondAlgo(self,algo,primary=False,domain=None):
        """Add Conditions algorithm"""
        if not isinstance(algo, GaudiConfig2.Configurable):
            raise TypeError(f"Attempt to add wrong type: {type(algo).__name__} as conditions algorithm")
 
        if algo.__component_type__ != "Algorithm":
            raise TypeError(f"Attempt to add wrong type: {algo.__component_type__} as conditions algorithm")
 
        context = createContextForDeduplication("Merging with existing Conditions Algorithm", algo.name, self._componentsContext) # noqa : F841
 
        deduplicate(algo, self._conditionsAlgs) #will raise on conflict
        if primary:
            if self._primaryComp:
                self._msg.warning("addCondAlgo: Overwriting primary component of this CA. Was %s/%s, now %s/%s",
                                  self._primaryComp.__cpp_type__, self._primaryComp.name,
                                  algo.__cpp_type__, algo.name)
            #keep a ref of the de-duplicated conditions algorithm as primary component
            self._primaryComp = self.__getOne(self._conditionsAlgs, algo.name, "ConditionsAlgos")
 
        self._lastAddedComponent=algo.name
        if "trackCondAlgo" in ComponentAccumulator.debugMode:
            self._componentsContext[algo.name] = shortCallStack()
 
        # Assign the algorithm to a domain
        self.addAlgToPerfmonDomains(algo.name, 'Conditions' if not domain else domain)
 
        return algo
 
    def getCondAlgos(self):
        """Get all conditions algorithms"""
        return self._conditionsAlgs
 
    def getCondAlgo(self, name):
        """Get conditions algorithm by name"""
        return self.__getOne( self._conditionsAlgs, name, "conditions algorithms")
 
    def addService(self, newSvc, primary=False, create=False):
        """Add service and return the deduplicated instance"""
        if not isinstance(newSvc, GaudiConfig2.Configurable):
            raise TypeError(f"Attempt to add wrong type: {type(newSvc).__name__} as service")
 
        if newSvc.__component_type__ != "Service":
            raise TypeError(f"Attempt to add wrong type: {newSvc.__component_type__} as service")
 
        context = createContextForDeduplication("Merging with existing Service", newSvc.name, self._componentsContext) # noqa : F841
 
        deduplicate(newSvc, self._services)  #may raise on conflict
        if primary:
            if self._primaryComp:
                self._msg.warning("addService: Overwriting primary component of this CA. Was %s/%s, now %s/%s",
                                  self._primaryComp.__cpp_type__, self._primaryComp.name,
                                  newSvc.__cpp_type__, newSvc.name)
            #keep a ref of the de-duplicated service as primary component
            self._primaryComp=self.__getOne( self._services, newSvc.name, "Services")
        self._lastAddedComponent=newSvc.name
 
        if create:
            sname = newSvc.getFullJobOptName()
            if sname not in self._servicesToCreate:
                self._servicesToCreate.append(sname)
        if "trackService" in  ComponentAccumulator.debugMode:
            self._componentsContext[newSvc.name] = shortCallStack()
        return self.__getOne( self._services, newSvc.name, "Services")
 
 
    def addAuditor(self, auditor):
        """Add Auditor to ComponentAccumulator and return the deduplicated instance.
        This function will also create the required AuditorSvc."""
        if not isinstance(auditor, GaudiConfig2.Configurable):
            raise TypeError(f"Attempt to add wrong type: {type(auditor).__name__} as auditor")
 
        if auditor.__component_type__ != "Auditor":
            raise TypeError(f"Attempt to add wrong type: {auditor.__component_type__} as auditor")
 
        context = createContextForDeduplication("Merging with existing auditors", auditor.name, self._componentsContext) # noqa : F841
 
        deduplicate(auditor, self._auditors)  #may raise on conflict
        newAuditor = self.addService(CompFactory.AuditorSvc(Auditors=[auditor.getFullJobOptName()]))
        self._lastAddedComponent = auditor.name
        return newAuditor
 
 
    def addPublicTool(self, newTool, primary=False):
        """Add public tool and return the deduplicated instance."""
        if not isinstance(newTool, GaudiConfig2.Configurable):
            raise TypeError(f"Attempt to add wrong type: {type(newTool).__name__} as public AlgTool")
 
        if newTool.__component_type__ != "AlgTool":
            raise TypeError(f"Attempt to add wrong type: {newTool.__component_type__} as public AlgTool")
 
        context = createContextForDeduplication("Merging with existing Public Tool", newTool.name, self._componentsContext) # noqa : F841
 
        deduplicate(newTool,self._publicTools)
        if primary:
            if self._primaryComp:
                self._msg.warning("addPublicTool: Overwriting primary component of this CA. Was %s/%s, now %s/%s",
                                  self._primaryComp.__cpp_type__, self._primaryComp.name,
                                  newTool.__cpp_type__, newTool.name)
            #keep a ref of the de-duplicated tool as primary component
            self._primaryComp=self.__getOne( self._publicTools, newTool.name, "Public Tool")
        self._lastAddedComponent=newTool.name
        if "trackPublicTool" in ComponentAccumulator.debugMode:
            self._componentsContext[newTool.name] = shortCallStack()
        # return the new public tool
        return self.__getOne(self._publicTools, newTool.name, "Public Tool")
 
 
    def getPrimary(self):
        """Get designated primary component"""
        if self._privateTools:
            return self.popPrivateTools()
        elif self._primaryComp:
            return self._primaryComp
        else:
            raise ConfigurationError("Called getPrimary() but no primary component nor private AlgTool is known.\n{}".format(self._inspect()))
 
    def getPrimaryAndMerge(self, other):
        """ Merging in the other accumulator and getting the primary component"""
        if other is None:
            raise RuntimeError("merge called on object of type None: did you forget to return a CA from a config function?")
        comp = other.getPrimary()
        self.merge(other)
        return comp
 
    def __getOne(self, allcomps, name=None, typename="???"):
        selcomps = allcomps if name is None else [ t for t in allcomps if t.name == name ]
        if len( selcomps ) == 0:
            raise ConfigurationError(f"Requested component of name {name} but is missing" )
 
        if len( selcomps ) == 1:
            return selcomps[0]
        nmstr = f'with name {name} ' if name else ''
        raise ConfigurationError("Number of {} available {}{} which is != 1 expected by this API".format(typename, nmstr, len(selcomps)) )
 
    def getPublicTools(self):
        return self._publicTools
 
    def getPublicTool(self, name=None):
        """Returns single public tool, exception if either not found or to many found"""
        return self.__getOne( self._publicTools, name, "PublicTools")
 
    def getServices(self):
        return self._services
 
    def getService(self, name=None):
        """Returns single service, exception if either not found or to many found"""
        if name is None:
            return self._primarySvc
        else:
            return self.__getOne( self._services, name, "Services")
 
    def getAuditor(self,name):
        """Retuns a single auditor, exception if not found"""
        return self.__getOne(self._auditors,name,"Auditors")
 
    def dropEventAlgo(self,name,sequence="AthAlgSeq"):
        s=self.getSequence(sequence)
        lenBefore=len(s.Members)
        s.Members = [a for a in s.Members if not a.getName()==name]
        lenAfter=len(s.Members)
        if lenAfter == lenBefore:
            self._msg.warning("Algorithm %s not found in sequence %s",name,sequence)
        else:
            self._msg.info("Removed algorithm %s from sequence %s",name,sequence)
            try:
                del self._algorithms[name]
            except KeyError:
                self._msg.warning("Algorithm %s not found in self._sequence ???",name)
        return
 
    def popEventAlgo(self,name,sequence="AthAlgSeq"):
        s=self.getSequence(sequence)
        lenBefore=len(s.Members)
        s.Members = [a for a in s.Members if not a.getName()==name]
        lenAfter=len(s.Members)
        if lenAfter == lenBefore:
            self._msg.warning("Algorithm %s not found in sequence %s",name,sequence)
        else:
            self._msg.info("Removed algorithm %s from sequence %s",name,sequence)
            try:
                return self._algorithms.pop(name)
            except KeyError:
                self._msg.warning("Algorithm %s not found in self._sequence ??? Returning 'None'",name)
        return None
 
    def dropCondAlgo(self,name):
        lenBefore=len(self._conditionsAlgs)
        self._conditionsAlgs = [a for a in self._conditionsAlgs if a.getName()!=name]
        lenAfter=len(self._conditionsAlgs)
        if lenAfter == lenBefore:
            self._msg.warning("Condition Algorithm %s not found",name)
        else:
            self._msg.info("Removed conditions Algorithm %s",name)
        return
 
    def dropService(self,name):
        lenBefore=len(self._services)
        self._services = [s for s in self._services if s.getName()!=name]
        lenAfter=len(self._services)
        if lenAfter == lenBefore:
            self._msg.warning("Service %s not found",name)
        else:
            self._msg.info("Removed Service %s",name)
        return
    
    def dropPublicTool(self,name):
        lenBefore=len(self._publicTools)
        self._publicTools = [p for p in self._publicTools if p.getName()!=name]
        lenAfter=len(self._publicTools)
        if lenAfter == lenBefore:
            self._msg.warning("Public tool %s not found",name)
        else:
            self._msg.info("Removed public tool %s",name)
        return
 
    def dropAuditor(self,name):
        lenBefore=len(self._auditors)
        self._auditors = [a for a in self._auditors if a.getName()!=name]
        lenAfter=len(self._auditors)
        if lenAfter == lenBefore:
            self._msg.warning("Auditor %s not found",name)
        else:
            self._msg.info("Removed auditor %s",name)
        return
            
    def getAppProps(self):
        return self._theAppProps
 
    def setAppProperty(self,key,value,overwrite=False):
        if (overwrite or key not in (self._theAppProps)):
            self._theAppProps[key]=value
        else:
            if self._theAppProps[key] == value:
                self._msg.debug("ApplicationMgr property '%s' already set to '%s'.", key, value)
            elif isinstance(self._theAppProps[key], Sequence) and not isinstance(self._theAppProps[key],str):
                value=self._theAppProps[key] + [el for el in value if el not in self._theAppProps[key]]
                self._msg.info("ApplicationMgr property '%s' already set to '%s'. Overwriting with %s", key, self._theAppProps[key], value)
                self._theAppProps[key]=value
            else:
                raise DeduplicationFailed("AppMgr property {} set twice: {} and {}".format(key, self._theAppProps[key], value))
 
 
    def setDebugStage(self,stage):
        if stage not in DbgStage.allowed_values:
            raise RuntimeError("Allowed arguments for setDebugStage are [{}]".format(",".join(DbgStage.allowed_values)))
        self._debugStage.value = stage
 
 
    def merge(self,other, sequenceName=None):
        """Merging in the other accumulator"""
        if other is None:
            raise RuntimeError("merge called on object of type None: "
                               "did you forget to return a CA from a config function?")
 
        if not isinstance(other,ComponentAccumulator):
            raise TypeError(f"Attempt to merge wrong type {type(other).__name__}. "
                            "Only instances of ComponentAccumulator can be added")
 
        context = (Context.hint if not ComponentAccumulator.debugMode else   # noqa: F841
                   Context("When merging the ComponentAccumulator:\n{} \nto:\n{}".format(other._inspect(), self._inspect())))
 
        if other._privateTools is not None:
            if isinstance(other._privateTools, Sequence):
                raiseWithCurrentContext(RuntimeError(
                    "merge called on ComponentAccumulator with a dangling (array of) private tools\n"))
            else:
                raiseWithCurrentContext(RuntimeError(
                    "merge called on ComponentAccumulator with a dangling private tool "
                    f"{other._privateTools.__cpp_type__}/{other._privateTools.name}"))
 
        if not other._isMergable:
            raiseWithCurrentContext(ConfigurationError(
                "Attempted to merge a top level ComponentAccumulator. Revert the order of merging\n"))
 
        def mergeSequences( dest, src ):
 
            # Ensure sequences of same name have same properties. This is called many times
            # and is highly optimized. Make sure you profile before modifying this code.
            if dest.name == src.name:
                # Compare all set properties ignoring 'Members'
                props = (dest._properties.keys() | src._properties.keys()) - {'Members'}
                for seqProp in props:
                    try:
                        if dest._properties[seqProp] != src._properties[seqProp]:
                            raise RuntimeError(
                                f"Merging two sequences with name '{dest.name}' but property '{seqProp}' "
                                f"has different values: {getattr(dest, seqProp)} vs {getattr(src, seqProp)}")
                    except KeyError as e:
                        raise RuntimeError(
                            f"Merging two sequences with name '{dest.name}' but property '{e}' is not "
                            f"set in one of them")
 
            for childIdx, c in enumerate(src.Members):
                if isSequence( c ):
                    sub = findSubSequence( dest, c.name ) #depth=1 ???
                    if sub:
                        mergeSequences(sub, c )
                    else:
                        self._msg.debug("  Merging sequence %s to a destination sequence %s", c.name, dest.name )
                        algorithmsByName = findAllAlgorithmsByName(c) # dictionary: algName (alg, parentSeq, indexInParentSeq)                        
                        for name, existingAlgs in algorithmsByName.items():
                            # all algorithms from incoming CA are already deduplicated, so we can only handle the fist one
                            algInstance, _, _ = existingAlgs[0]
                            if name not in self._algorithms:
                                self._algorithms[name] = algInstance
                            else:
                                dedupContext1 = createContextForDeduplication("While merging sequences adding incoming algorithm", c.name, other._componentsContext) # noqa : F841
                                dedupContext2 = createContextForDeduplication("While merging sequences adding to existing algorithm", c.name, self._componentsContext) # noqa : F841
                                deduplicateOne(self._algorithms[name], algInstance)
                                deduplicateOne(algInstance, self._algorithms[name])
                            for _, parent, idx in existingAlgs: # put the deduplicated algo back into original sequences
                                parent.Members[idx] = self._algorithms[name]
                            # Add the algorithm to the PerfMon domains
                            self.addAlgToPerfmonDomains(name, other._domainsRegistry[name] if name in other._domainsRegistry else self._currentDomain)
                        dest.Members.append(c)
 
                else: # an algorithm
                    if c.name in self._algorithms:
                        dedupContext1 = createContextForDeduplication("While merging sequences adding incoming algorithm", c.name, other._componentsContext) # noqa : F841
                        dedupContext2 = createContextForDeduplication("While merging sequences adding to existing algorithm", c.name, self._componentsContext) # noqa : F841
 
                        deduplicateOne(self._algorithms[c.name], c)
                        deduplicateOne(c, self._algorithms[c.name])
                        src.Members[childIdx] = self._algorithms[c.name]
                    else:
                        self._algorithms[c.name] = c
 
                    existingAlgInDest = findAlgorithm( dest, c.name, depth=1 )
                    if not existingAlgInDest:
                        self._msg.debug("   Adding algorithm %s to a sequence %s", c.name, dest.name )
                        dest.Members.append(c)
 
                    # Add the algorithm to the PerfMon domains
                    self.addAlgToPerfmonDomains(c.name, other._domainsRegistry[c.name] if c.name in other._domainsRegistry else self._currentDomain)
 
        # Merge sequences:
        # mergeSequences(destSeq, other._sequence)
        # if sequenceName is provided it means we should be ignoring the actual MAIN seq name there and use the sequenceName
        # that means the first search in the destination sequence needs to be cheated
        # the sequenceName argument is only relevant for the MAIN sequence, 
        # secondary top sequences are treated as if the sequenceName argument would not be provided
 
        for otherSeq in other._allSequences:
            found=False
            for ourSeq in self._allSequences:
                destSeqName = otherSeq.name
                if sequenceName and otherSeq == other._sequence: # if sequence moving is requested (sequenceName != None) it concerns only the main sequence
                    destSeqName = sequenceName
                    self._msg.verbose("   Will move sequence %s to %s", otherSeq.name, destSeqName )
 
                ourSeq = findSubSequence(ourSeq, destSeqName) # try to add sequence to the main structure first, to each seq in parent?
                if ourSeq:
                    mergeSequences(ourSeq, otherSeq)
                    found=True
                    self._msg.verbose("   Succeeded to merge sequence %s to %s", otherSeq.name, ourSeq.name )
                else:
                    self._msg.verbose("   Failed to merge sequence %s to any existing one, destination CA will have several top/dangling sequences", otherSeq.name )
            if not found: # just copy the sequence as a dangling one
                self._allSequences.append( otherSeq )
                mergeSequences( self._allSequences[-1], otherSeq )
 
 
 
 
 
        # Additional checking and updating other accumulator's algorithms list
        for name in other._algorithms:
            if name not in self._algorithms:
                raiseWithCurrentContext(ConfigurationError('Error in merging. Algorithm {} missing in destination accumulator\n'.format(name)))
            other._algorithms[name] = self._algorithms[name]
 
            #self._conditionsAlgs+=other._conditionsAlgs
        for condAlg in other._conditionsAlgs:
            addContext = createContextForDeduplication("Merging incoming Conditions Algorithm", condAlg.name, other._componentsContext) # noqa : F841
            self.addCondAlgo(condAlg) #Profit from deduplicaton here
 
        for svc in other._services:
            addContext = createContextForDeduplication("Merging incoming Service", svc.name, other._componentsContext) # noqa : F841
            self.addService(svc, create = svc.getFullJobOptName() in other._servicesToCreate) #Profit from deduplicaton here
 
        for pt in other._publicTools:
            addContext = createContextForDeduplication("Merging incoming Public Tool", pt.name, other._componentsContext) # noqa : F841
            self.addPublicTool(pt) #Profit from deduplicaton here
 
 
        for aud in other._auditors:
            addContext = createContextForDeduplication("Merging incoming Auditor", aud.name, other._componentsContext) # noqa : F841
            self.addAuditor(aud) #Profit from deduplicaton here
 
        #Merge AppMgr properties:
        for (k,v) in other._theAppProps.items():
            self.setAppProperty(k,v)  #Will warn about overrides
            pass
        other._wasMerged=True
 
        self._lastAddedComponent = other._lastAddedComponent #+ ' (Merged)'
        self._componentsContext.update(other._componentsContext) # update the context so it contains an information about the new components (and refreshed old components)
 
    def __verifyFinalSequencesStructure(self):
        if len(self._allSequences) != 1:
            raiseWithCurrentContext(ConfigurationError('It is not allowed for the storable CA to have more than one top sequence, now it has: {}'
                                         .format(','.join([ s.name for s in self._allSequences]))))
 
 
    def wasMerged(self):
        """ Declares CA as merged
 
        This is temporarily needed by HLT and should not be used elsewhere
        """
        self._wasMerged=True
 
    def _allComponents(self):
        """ returns iterable over all components """
        import itertools
        return itertools.chain(self._publicTools,
                               self._privateTools if self._privateTools else [],
                               self._algorithms.values(),
                               self._conditionsAlgs)
 
 
    def store(self,outfile, withDefaultHandles=False):
        """
        Saves CA in pickle form
 
        when withDefaultHandles is True, also the handles that are not set are saved
        """
 
        checkSequenceConsistency(self._sequence)
        
        self.wasMerged()
        if withDefaultHandles:
            from AthenaConfiguration.Utils import loadDefaultComps, exposeHandles
            loadDefaultComps(self._allComponents())
            exposeHandles(self._allComponents())
        import pickle
        pickle.dump(self,outfile)
        return
 
 
    def createApp(self):
        # Set ROOT batch mode
        from PyUtils.Helpers import ROOTSetup
        ROOTSetup(batch = not self.interactive)
 
        # Create the Gaudi object early.
        # Without this here, pyroot can sometimes get confused
        # and report spurious type mismatch errors about this object.
        import ROOT
        ROOT.Gaudi
 
        appPropsToSet, mspPropsToSet, bshPropsToSet = self.gatherProps()
 
        self._wasMerged = True
        from Gaudi.Main import BootstrapHelper
 
        bsh = BootstrapHelper()
        app = bsh.createApplicationMgr()
 
        for k, v in appPropsToSet.items():
            self._msg.debug("Setting property %s : %s", k, v)
            app.setProperty(k, v)
 
        app.configure()
 
        msp = app.getService("MessageSvc")
        for k, v in mspPropsToSet.items():
            self._msg.debug("Setting property %s : %s", k, v)
            bsh.setProperty(msp, k.encode(), v.encode())
 
        # Feed the jobO service with the remaining options
        for comp, name, value in bshPropsToSet:
            self._msg.debug("Adding %s.%s = %s", comp, name, value)
            app.setOption(f"{comp}.{name}", value)
 
        sys.stdout.flush()
        return app
 
    def gatherProps(self):
        appPropsToSet = {k: str(v) for k, v in self._theAppProps.items()}
        mspPropsToSet = {}
        bshPropsToSet = []
        svcToCreate = []
        extSvc = []
        for svc in self._services:
            extSvc += [
                svc.getFullJobOptName(),
            ]
            if svc.getFullJobOptName() in self._servicesToCreate:
                svcToCreate.append(svc.getFullJobOptName())
 
        # order basic services
        for bs in reversed(_basicServicesToCreateOrder):
            if bs in svcToCreate:
                svcToCreate.insert(0, svcToCreate.pop( svcToCreate.index(bs) ) )
 
        extSvc.append("PyAthena::PyComponentMgr/PyComponentMgr")
 
        appPropsToSet["ExtSvc"] = str(extSvc)
        appPropsToSet["CreateSvc"] = str(svcToCreate)
 
        def getCompsToBeAdded(comp, namePrefix=""):
            name = namePrefix + comp.getName()
            for k, v in comp._properties.items():
                # Handle special cases of properties:
                # 1.PrivateToolHandles
                if isinstance(v, GaudiConfig2.Configurable):
                    # Add the name of the tool as property to the parent
                    bshPropsToSet.append((name, k, v.getFullJobOptName()))
                    # Recursively add properties of this tool to the JobOptionSvc
                    getCompsToBeAdded(v, namePrefix=name + ".")
                # 2. PrivateToolHandleArray
                elif isinstance(v, GaudiHandles.PrivateToolHandleArray):
                    # Add names of tools as properties to the parent
                    bshPropsToSet.append(
                        (name, k, str([v1.getFullJobOptName() for v1 in v]),)
                    )
                    # Recursively add properties of tools to JobOptionsSvc
                    for v1 in v:
                        getCompsToBeAdded(v1, namePrefix=name + ".")
                else:
                    # For a list of DataHandle, we need to stringify
                    # each element individually.  Otherwise, we get the repr
                    # version of the elements, which Gaudi JO will choke on.
                    if isinstance(v, list) and v and isinstance(v[0], DataHandle):
                        v = [str(x) for x in v]
                    # For sequences, need to convert the list of algs to names
                    elif isSequence(comp) and k == "Members":
                        v = [alg.getFullJobOptName() for alg in comp.Members]
                    vstr = "" if v is None else str(v)
                    bshPropsToSet.append((name, k, vstr))
       
        try:
            from AthenaPython import PyAthenaComps
            PyAlg = PyAthenaComps.Alg
            PySvc = PyAthenaComps.Svc
        except ImportError:
            PyAlg = type(None)
            PySvc = type(None)
 
        # Services
        for svc in self._services:
            if svc.getName() != "MessageSvc":  # MessageSvc will exist already! Needs special treatment
                getCompsToBeAdded(svc)
                if isinstance(svc, PySvc):
                    svc.setup()
            else:
                mspPropsToSet.update((k,str(v)) for k,v in svc._properties.items())
 
        # Algorithms and Sequences
        for alg in iterSequences(self._sequence):
            getCompsToBeAdded(alg)
            if isinstance(alg, PyAlg):
                alg.setup()
 
        # Cond Algs
        condalgseq = []
        for alg in self._conditionsAlgs:
            getCompsToBeAdded(alg)
            condalgseq.append(alg.getFullJobOptName())
            if isinstance(alg, PyAlg):
                alg.setup()
        bshPropsToSet.append(("AthCondSeq", "Members", str(condalgseq)))
 
        # Public Tools
        for pt in self._publicTools:
            getCompsToBeAdded(pt, namePrefix="ToolSvc.")
 
        # Auditors
        for aud in self._auditors:
            getCompsToBeAdded(aud)
 
        return appPropsToSet, mspPropsToSet, bshPropsToSet
 
    def run(self,maxEvents=None):
        from os import environ
        outpklfile = environ.get("PICKLECAFILE", None)
        if outpklfile is not None:
            if outpklfile:  # non-empty string
                self._msg.info("Storing configuration in pickle file %s",outpklfile)
                with open(outpklfile, "wb") as f:
                    self.store(f)
            else:           # empty string, just exit
                self.wasMerged()
                self._msg.info("Exiting after configuration stage")
            from Gaudi.Main import BootstrapHelper
            return BootstrapHelper.StatusCode(True)
 
        # Make sure python output is flushed before triggering output from Gaudi.
        # Otherwise, observed output ordering may differ between py2/py3.
        sys.stdout.flush()
 
 
        #Set TDAQ_ERS_NO_SIGNAL_HANDLERS to avoid interference with 
        #TDAQ signal handling
        environ['TDAQ_ERS_NO_SIGNAL_HANDLERS']='1'
        from AthenaCommon.Debugging import allowPtrace, hookDebugger
        allowPtrace()
 
        checkSequenceConsistency(self._sequence)
        
        app = self.createApp()
        self.__verifyFinalSequencesStructure()
 
        #Determine maxEvents
        if maxEvents is None:
            if "EvtMax" in self._theAppProps:
                maxEvents=self._theAppProps["EvtMax"]
            else:
                maxEvents=-1
 
        if self.interactive == 'init':
            printInteractiveMsg_init()
            from sys import exit # noqa: F401
            startInteractive(locals())
 
        #At this point, we don't need the internal structures of this CA any more, clean them up
        self._cleanup()
        
        self._msg.info(f"Athena job with pid {os.getpid()}")
 
        if (self._debugStage.value == "init"):
            hookDebugger()
        sc = app.initialize()
        if not sc.isSuccess():
            self._msg.error("Failed to initialize AppMgr")
            return sc
 
        sc = app.start()
        if not sc.isSuccess():
            self._msg.error("Failed to start AppMgr")
            return sc
 
        if (self._debugStage.value=="exec"):
            hookDebugger()
 
 
        if self.interactive == 'run':
            printInteractiveMsg_run()
            from AthenaPython.PyAthena import py_svc
            sg=py_svc("StoreGateSvc/StoreGateSvc")
            startInteractive(locals())
        else:
            sc = app.run(maxEvents)
            if not sc.isSuccess():
                self._msg.error("Failure running application")
                return sc
 
        scStop=app.stop()
        if not scStop.isSuccess():
            self._msg.error("Failed to stop AppMgr")
            return scStop
 
        if (self._debugStage.value == "fini"):
            hookDebugger()
            
        scFin=app.finalize()
        if not scFin.isSuccess():
            self._msg.error("Failed to finalize AppMgr")
            return scFin
 
        sc1 = app.terminate()
        return sc1
 
    def foreach_component(self, path):
        """Utility to set properties of components using wildcards.
 
        Example:
          ca.foreach_component("*/HLTTop/*/*Hypo*").OutputLevel = VERBOSE
 
        The components name and location in the CF tree are translated into a UNIX-like path
        and are matched using the `fnmatch` library. If the property is set successfully
        an INFO message is printed else a WARNING.
 
        The convention for paths of nested components is as follows:
          Sequence     : only the name is used in the path
          Algorithm    : "type/name" is used
          Private Tool : ToolHandle property name plus "type/name" is used
          Public Tool  : located under "ToolSvc/" and "type/name" is used
          Service      : located under "SvcMgr/" and "type/name" is used
        """
        from AthenaConfiguration.PropSetterProxy import PropSetterProxy
        return PropSetterProxy(self, path)
 
 
def startInteractive(localVarDic):
    """Setup and start a useful interactive session including auto-completion and history"""
    import code
 
    # collect all global and local variables
    vars = sys.modules['__main__'].__dict__
    vars.update(globals())
    vars.update(localVarDic)
 
    # configure the prompt
    from AthenaCommon.Interactive import configureInteractivePrompt
    configureInteractivePrompt(vars)
 
    # start the interpreter
    code.interact(local=vars)
 
 
def printInteractiveMsg_init():
    print("Interactive mode")
    print("\tThe ComponentAccumulator is known as 'self', you can inspect it but changes are not taken into account.")
    print("\tThe application is known as 'app' but not yet initialized.")
    print("\t^D will exit the interactive mode and athena will continue.")
    print("\texit() will terminate the program now.")
    return 
 
 
def printInteractiveMsg_run():
    print("Interactive mode")
    print("\tThe application is known as 'app' and initialized.")
    print("\tYou can process N events with 'app.run(N)'.")
    print("\tStoreGate is accessible as 'sg'.")
    print("\t^D will exit the interactive mode and athena will finalize.")
    return 
 
 
# Make legacy support available in legacy jobs
if not isComponentAccumulatorCfg():
    from AthenaConfiguration.LegacySupport import (conf2toConfigurable,  # noqa: F401 (for client use)
                                                   CAtoGlobalWrapper,
                                                   appendCAtoAthena)
# and the same names in CA (to support migration) but bomb on calling them
else:
    def conf2toConfigurable(*args, **kwargs):
        raise RuntimeError("conf2toConfigurable cannot be called in a CA job")
    def CAtoGlobalWrapper(*args, **kwargs):
        raise RuntimeError("CAtoGlobalWrapper cannot be called in a CA job")
    def appendCAtoAthena(*args, **kwargs):
        raise RuntimeError("appendCAtoAthena cannot be called in a CA job")