better way (keeps "Begin processing" messages)

test/runSVJ.py

@@ -166,7 +166,11 @@ def set_if_has(obj,attr,val):
 
 if options.quiet and hasattr(process,'MessageLogger'):
     for dest in process.MessageLogger.destinations:
-        setattr(getattr(process.MessageLogger,dest),'threshold',cms.untracked.string('ERROR'))
+        dest_attr = getattr(process.MessageLogger,dest)
+        for level in ['INFO','WARNING']:
+            existing_pset = getattr(dest_attr,level,cms.untracked.PSet())
+            existing_pset.limit = cms.untracked.int32(0)
+            setattr(dest_attr,level,existing_pset)
 
 # genjet/met settings - treat DM stand-ins as invisible
 _particles = ["genParticlesForJetsNoMuNoNu","genParticlesForJetsNoNu","genCandidatesForMET","genParticlesForMETAllVisible"]
@@ -175,7 +179,7 @@ def set_if_has(obj,attr,val):
         getattr(process,_prod).ignoreParticleIDs.extend([51,52,53])
 if hasattr(process,'recoGenJets') and hasattr(process,'recoAllGenJetsNoNu'):
     process.recoGenJets += process.recoAllGenJetsNoNu
-	# to get hadronFlavour at gen level
+    # to get hadronFlavour at gen level
     process.load("PhysicsTools.PatAlgos.slimming.genParticles_cff")
     process.recoGenJets += process.prunedGenParticlesWithStatusOne
     process.recoGenJets += process.prunedGenParticles