start work on DummyFF benchmark

benchmarks/far_forward/options/dummy_ff.py

+from Gaudi.Configuration import *
+
+from Configurables import ApplicationMgr, EICDataSvc, PodioOutput, GeoSvc
+from GaudiKernel import SystemOfUnits as units
+
+detector_name = "athena"
+if "JUGGLER_DETECTOR" in os.environ :
+  detector_name = str(os.environ["JUGGLER_DETECTOR"])
+
+detector_path = ""
+if "DETECTOR_PATH" in os.environ :
+  detector_path = str(os.environ["DETECTOR_PATH"])
+
+# todo add checks
+input_sim_file  = str(os.environ["JUGGLER_SIM_FILE"])
+output_rec_file = str(os.environ["JUGGLER_REC_FILE"])
+n_events = str(os.environ["JUGGLER_N_EVENTS"])
+
+podioevent   = EICDataSvc("EventDataSvc", inputs=[input_sim_file], OutputLevel=WARNING)
+
+from Configurables import PodioInput
+from Configurables import Jug__Base__InputCopier_dd4pod__Geant4ParticleCollection_dd4pod__Geant4ParticleCollection_ as MCCopier
+
+from Configurables import Jug__Reco__DummyFarForwardParticles as DummyFFRec
+
+algorithms = [ ]
+
+podioinput = PodioInput("PodioReader", 
+                        collections=["mcparticles"])#, OutputLevel=DEBUG)
+algorithms.append( podioinput )
+
+## copiers to get around input --> output copy bug. Note the "2" appended to the output collection.
+copier = MCCopier("MCCopier", 
+        inputCollection="mcparticles", 
+        outputCollection="mcparticles2") 
+algorithms.append( copier )
+
+ff_rec = DummyFFRec("DummyFFRec", 
+        inputMCParticles="mcparticles", 
+        outputParticles="ReconstructedParticles",
+        OutputLevel=DEBUG) 
+algorithms.append( ff_rec )
+
+
+out = PodioOutput("out", filename=output_rec_file)
+out.outputCommands = ["keep *", 
+        "drop mcparticles"
+        ]
+algorithms.append(out)
+
+ApplicationMgr(
+    TopAlg = algorithms,
+    EvtSel = 'NONE',
+    EvtMax   = n_events,
+    ExtSvc = [podioevent],
+    OutputLevel=WARNING
+ )
+