ensure that exp log directory exists

examples/shields/rl/utils.py

@@ -133,11 +133,12 @@ class MiniGridShieldHandler(ShieldHandler):
 
         return self.__create_shield_dict()
 
+def expname(args):
+    return f"{args.env}_{args.shielding}_{args.shield_comparison}_{args.shield_value}"
 def create_log_dir(args):
-    return f"{args.log_dir}/{args.env}_{args.shielding}_{args.shield_comparison}_{args.shield_value}"
-
-def test_name(args):
-    return f"{args.expname}"
+    log_dir = f"{args.log_dir}/{datetime.datetime.now().strftime('%Y%m%dT%H%M%S')}_{expname(args)}"
+    os.makedirs(log_dir, exist_ok=True)
+    return log_dir
 
 def get_allowed_actions_mask(actions):
     action_mask = [0.0] * 3 + [1.0] * 4
@@ -155,7 +156,7 @@ def common_parser():
     parser = argparse.ArgumentParser()
     parser.add_argument("--env",
                         help="gym environment to load",
-                        default="MiniGrid-LavaSlipperyCliff-16x12-v0")
+                        default="MiniGrid-LavaSlipperyCliff-16x13-v0")
 
     parser.add_argument("--grid_file", default="grid.txt")
     parser.add_argument("--prism_output_file", default="grid.prism")