Allow unknown locations when unpacking for tistos

Event/EventPacker/src/component/BufferUnpackerBaseAlg.h

@@ -44,7 +44,7 @@ namespace LHCb::Hlt::PackedData {
   struct Counters {
     Gaudi::Accumulators::MsgCounter<MSG::ERROR>       inconsistentSize;
     Gaudi::Accumulators::MsgCounter<MSG::ERROR>       no_buffers;
-    Gaudi::Accumulators::MsgCounter<MSG::ERROR>       unknown;
+    Gaudi::Accumulators::MsgCounter<MSG::ERROR>       unknown_buffer;
     Gaudi::Accumulators::MsgCounter<MSG::WARNING>     absent;
     Gaudi::Accumulators::MsgCounter<MSG::WARNING>     missing_dependency;
     Gaudi::Accumulators::BinomialCounter<>            nothing_to_do;
@@ -54,14 +54,15 @@ namespace LHCb::Hlt::PackedData {
     Gaudi::Accumulators::SummingCounter<unsigned int> nbLinkedBufferData;
     Gaudi::Accumulators::SummingCounter<unsigned int> missingLinks;
     Gaudi::Accumulators::SummingCounter<unsigned int> wrong_LinkID;
+    Gaudi::Accumulators::SummingCounter<unsigned int> unknown_buffer_allowed;
 
     Counters( Gaudi::Algorithm* parent )
         : inconsistentSize{parent, "Size read does not match size expected"}
         , no_buffers{parent, "Input has empty map of buffers -- can not do anything at this point. Verify "
                              "HltPackedBufferDecoder "
                              "configuration"}
-        , unknown{parent,
-                  "Configured output location not known to ANNSvc for decoding key in current event - unable to unpack"}
+        , unknown_buffer{parent, "Configured output location not known to ANNSvc for decoding key in current event - "
+                                 "unable to unpack"}
         , absent{parent, "DstData buffer for configured output not available - unable to unpack", 0}
         , missing_dependency{parent, "DstData buffer for dependency not available - unable to unpack", 0}
         , nothing_to_do{parent, "Target data already present"}
@@ -70,7 +71,8 @@ namespace LHCb::Hlt::PackedData {
         , nbBufferData{parent, "# BufferData"}
         , nbLinkedBufferData{parent, "# Linked BufferData"}
         , missingLinks{parent, "# Missing Link Locations"}
-        , wrong_LinkID{parent, "Mismatched LinkMgr id"} {}
+        , wrong_LinkID{parent, "Mismatched LinkMgr id"}
+        , unknown_buffer_allowed{parent, "UnknownBuffers"} {}
   };
 
   class Loader;
@@ -335,6 +337,7 @@ namespace DataPacking::Buffer {
         this, "AnonymousFormat", "/Event/DoNotUseExplicitly/AnonymousDependencyOnly/SourceID_{0}/0x{1:08x}"};
 
   protected:
+    Gaudi::Property<bool> m_emptyContainerForUnknownBuffers{this, "WriteEmptyContainerIfBufferNotKnown", false};
     Gaudi::Property<bool> m_emptyContainerForMissingBuffers{this, "WriteEmptyContainerIfBufferNotFound", true};
     Gaudi::Property<bool> m_emptyContainerForFailedUnpacking{this, "WriteEmptyContainerIfUnpackingFails", true};
 
@@ -378,7 +381,13 @@ namespace DataPacking::Buffer {
       auto loader = loader_for( buffers );
       auto j      = loader.decoder()( m_data.fullKey().key() );
       if ( !j ) {
-        ++m_counters.unknown;
+        // For TisTosing in sprucing, allow unknown buffers to write out an empty container
+        if ( m_emptyContainerForUnknownBuffers ) {
+          ++m_counters.unknown_buffer_allowed;
+          m_data.put( std::make_unique<DataVector>() ); // really do not want to do this...
+        } else {
+          ++m_counters.unknown_buffer;
+        }
         return;
       }
 

PyConf/python/PyConf/reading.py

@@ -85,11 +85,11 @@ def _get_unpacked(type_name, location, **kwargs):
         **kwargs).OutputName
 
 
-def get_particles(location):
+def get_particles(location, **kwargs):
     """
     Unpacking of particles. This will also unpack the decay vertices associated with these particles implicitely
     """
-    return _get_unpacked("ParticlesSelection", location)
+    return _get_unpacked("ParticlesSelection", location, **kwargs)
 
 
 def get_pp2mcp_relations(location):