Merge pull request #11908 from mhilbrunner/docstatus-flagerror

doc_status.py: Error message for unknown CLI flag, shebang change

[ci skip]

doc/tools/doc_status.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 
 import fnmatch
 import os
@@ -297,6 +297,7 @@ input_class_list = []
 merged_file = ""
 
 for arg in sys.argv[1:]:
+    try:
         if arg.startswith('--'):
             flags[long_flags[arg[2:]]] = not flags[long_flags[arg[2:]]]
         elif arg.startswith('-'):
@@ -308,6 +309,9 @@ for arg in sys.argv[1:]:
                     input_file_list.append(os.path.join(arg, f));
         else:
             input_class_list.append(arg)
+    except KeyError:
+        print("Unknown command line flag: " + arg)
+        sys.exit(1)
 
 if flags['i']:
     for r in ['methods', 'constants', 'members', 'signals']: