Add bool arg helper

Author: rwightman

timm/utils.py

@@ -326,3 +326,11 @@ def setup_default_logging(default_level=logging.INFO, log_path=''):
         file_formatter = logging.Formatter("%(asctime)s - %(name)20s: [%(levelname)8s] - %(message)s")
         file_handler.setFormatter(file_formatter)
         logging.root.addHandler(file_handler)
+
+
+def add_bool_arg(parser, name, default=False, help=''):
+    dest_name = name.replace('-', '_')
+    group = parser.add_mutually_exclusive_group(required=False)
+    group.add_argument('--' + name, dest=dest_name, action='store_true', help=help)
+    group.add_argument('--no-' + name, dest=dest_name, action='store_false', help=help)
+    parser.set_defaults(**{dest_name: default})