Fix verbosity flag behavior

xbob/db/biosecure/create.py

@@ -292,7 +292,8 @@ def create_tables(args):
   from bob.db.utils import connection_string 
  
   from sqlalchemy import create_engine 
-  engine = create_engine(connection_string(args.type, args.files[0]), echo=args.verbose)
+  engine = create_engine(connection_string(args.type, args.files[0]), 
+      echo=(args.verbose >= 2))
   Client.metadata.create_all(engine)
   File.metadata.create_all(engine)
   Protocol.metadata.create_all(engine)
@@ -308,8 +309,6 @@ def create(args):
 
   dbfile = args.files[0]
 
-  args.verbose = 0 if args.verbose is None else sum(args.verbose)
-
   if args.recreate: 
     if args.verbose and os.path.exists(dbfile):
       print('unlinking %s...' % dbfile)
@@ -334,7 +333,7 @@ def add_command(subparsers):
 
   parser.add_argument('-R', '--recreate', action='store_true', default=False,
       help="If set, I'll first erase the current database")
-  parser.add_argument('-v', '--verbose', action='append_const', const=1,
+  parser.add_argument('-v', '--verbose', action='count',
       help="Do SQL operations in a verbose way")
   parser.add_argument('-D', '--imagedir', action='store', metavar='DIR',
       default='/idiap/temp/cmccool/databases/biosecure/raw',