fully move dmc to gymnasium

carl/__init__.py

@@ -58,7 +58,6 @@ def check_spec(spec_name: str) -> bool:
                 )
         return found
 
-    # Environment loading
     found = check_spec("Box2D")
     if found:
         for e in envs.gymnasium.box2d.__all__:
@@ -67,6 +66,14 @@ def check_spec(spec_name: str) -> bool:
                 entry_point=f"carl.envs.gymnasium.box2d:{e}",
             )
 
+    found = check_spec("dm_control")
+    if found:
+        for e in envs.dmc.__all__:
+            register(
+                id=f"carl/{e}-v0",
+                entry_point=f"carl.envs.dmc:{e}",
+            )
+
     found = check_spec("py4j")
     if found:
         register(

carl/envs/dmc/wrappers.py

@@ -1,10 +1,10 @@
 from typing import Any, Optional, Tuple, TypeVar, Union
 
 import dm_env  # type: ignore
-import gym
+import gymnasium as gym
 import numpy as np
 from dm_env import StepType
-from gym import spaces
+from gymnasium import spaces
 
 ObsType = TypeVar("ObsType")
 ActType = TypeVar("ActType")

test/test_gymnasium_envs.py

@@ -27,13 +27,13 @@ class TestGymnasiumRegistration(unittest.TestCase):
     def test_registration(self):
         registered_envs = gym.envs.registration.registry.keys()
         for e in carl.envs.__all__:
-            if "RNA" not in e and "Brax" not in e and "Dmc" not in e:
+            if "RNA" not in e and "Brax" not in e:
                 env_name = f"carl/{e}-v0"
                 self.assertTrue(env_name in registered_envs)
 
     def test_make(self):
         for e in carl.envs.__all__:
-            if "RNA" not in e and "Brax" not in e and "Dmc" not in e:
+            if "RNA" not in e and "Brax" not in e:
                 env_name = f"carl/{e}-v0"
                 env = gym.make(env_name)
                 self.assertTrue(isinstance(env, gym.Env))