Merge branch 'add_script' into 'master'

add menu json parsing script

See merge request atlas/athena!40607

Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt

@@ -109,6 +109,7 @@ atlas_install_scripts( scripts/generateLVL1MenuMT.py
                        scripts/verify_menu_config.py
                        scripts/test_full_menu_cf.py
                        scripts/generateBunchGroupSetFromOldKey.py
+                       scripts/extract_chain_from_json.py
                        POST_BUILD_CMD ${ATLAS_FLAKE8} )
 
 # Shell scripts without flake8 checking:

Trigger/TriggerCommon/TriggerMenuMT/scripts/extract_chain_from_json.py

+#!/usr/bin/env python
+
+# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
+
+import json
+import pprint
+
+import argparse
+parser = argparse.ArgumentParser(description='Get the inputs for chain extraction')
+
+parser.add_argument('--chain', dest='chain', action='store', default='',
+                   help='What chain are we extracting')
+parser.add_argument('--menu_json', dest='input_json', action='store', default='',
+                   help='What menu are we extracting the chain from')
+                   
+args = parser.parse_args()
+
+chain = args.chain
+input_json = args.input_json
+
+the_menu = json.loads(open(input_json).read())
+
+print("...extracting",chain,"from menu json",input_json)
+
+if chain not in the_menu['chains']:
+    raise Exception("The requested chain isn't in the provided menu json, please try again.")
+
+pprint.pprint(the_menu['chains'][chain])
+
+print("Steps in the chain:")
+
+for isq,seq in enumerate(the_menu['chains'][chain]['sequencers']):
+
+    if not seq:
+        print('step',isq+1,'is empty')
+        continue
+    else:
+        print('step',isq+1,'is sequence ',seq)
+
+    other_chains = []
+    for chain in the_menu['chains']:
+        if seq in the_menu['chains'][chain]['sequencers']:
+            other_chains += [chain]
+    if len(other_chains) > 0:
+        print ('   also used in the following chains:')
+        pprint.pprint(other_chains)
+    else: 
+        print ('   is not used in any other chains.')
+
+    print ('   contains algorithms/hypos:')
+    pprint.pprint(the_menu['sequencers'][seq])
\ No newline at end of file