TriggerMenuMT: use (cached) getL1MenuAccess for L1Menu access

Trigger/TriggerCommon/TriggerMenuMT/python/HLT/Config/Utility/DictFromChainName.py

@@ -31,8 +31,7 @@ def getOverallL1item(flags, chainName):
     assert '_L1' in chainName, 'ERROR IN CHAIN {}, missing L1 seed at the end i.e. _L1...' .format(chainName)
 
     from TriggerMenuMT.HLT.Menu.L1Seeds import valid_multiseeds, getSpecificL1Seeds
-    from TrigConfIO.L1TriggerConfigAccess import L1MenuAccess
-    from TrigConfigSvc.TrigConfigSvcCfg import getL1MenuFileName
+    from TrigConfigSvc.TriggerConfigAccess import getL1MenuAccess
 
     # this assumes that the last string of a chain name is the overall L1 item
     cNameParts = chainName.rsplit("_L1",1)
@@ -45,8 +44,7 @@ def getOverallL1item(flags, chainName):
         return 'L1_EM24VHI,L1_MU20'
     if l1seed in valid_multiseeds:
         # For these item seed specifications we need to derive the precise list of item names from the L1Menu.
-        lvl1name = getL1MenuFileName(flags)
-        lvl1access = L1MenuAccess(lvl1name)
+        lvl1access = getL1MenuAccess(flags)
         itemsDict = lvl1access.items(includeKeys = ['name','ctpid','triggerType'])
         l1seedlist = getSpecificL1Seeds(l1seed, itemsDict, flags.Trigger.triggerMenuSetup)
         return l1seedlist

Trigger/TriggerCommon/TriggerMenuMT/scripts/test_menu_dump.py

 #!/usr/bin/env python3
-# Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 
 """
 Dumps the trigger menu, optionally running some checks for name
@@ -79,6 +79,7 @@ def run():
     if args.check_l1 or args.dump_dicts:
         args.parse_names = True
 
+    flags.Trigger.triggerConfig='FILE'
     flags.Input.Files=[]
     flags.Trigger.triggerMenuSetup=menu_name
     flags.lock()