add maya's environments to add_implementation_envs

openpype/hosts/maya/__init__.py

@@ -0,0 +1,29 @@
+import os
+
+
+def add_implementation_envs(env):
+    # Add requirements to PYTHONPATH
+    pype_root = os.environ["OPENPYPE_REPOS_ROOT"]
+    new_python_path = os.pathsep.join([
+        os.path.join(pype_root, "openpype", "hosts", "maya", "startup"),
+        os.path.join(pype_root, "repos", "avalon-core", "setup", "maya"),
+        os.path.join(pype_root, "tools", "mayalookassigner")
+    ])
+    old_python_path = env.get("PYTHONPATH")
+    if old_python_path:
+        new_python_path = os.pathsep.join([new_python_path, old_python_path])
+    env["PYTHONPATH"] = new_python_path
+
+    # Set default values if are not already set via settings
+    defaults = {
+        "MAYA_DISABLE_CLIC_IPM": "Yes",
+        "MAYA_DISABLE_CIP": "Yes",
+        "MAYA_DISABLE_CER": "Yes",
+        "PYMEL_SKIP_MEL_INIT": "Yes",
+        "LC_ALL": "C",
+        "OPENPYPE_LOG_NO_COLORS": "Yes"
+    }
+    for key, value in defaults.items():
+        if env.get(key):
+            continue
+        env[key] = value

openpype/settings/defaults/system_settings/applications.json

@@ -4,20 +4,7 @@
         "label": "Maya",
         "icon": "{}/app_icons/maya.png",
         "host_name": "maya",
-        "environment": {
-            "PYTHONPATH": [
-                "{OPENPYPE_REPOS_ROOT}/openpype/hosts/maya/startup",
-                "{OPENPYPE_REPOS_ROOT}/repos/avalon-core/setup/maya",
-                "{OPENPYPE_REPOS_ROOT}/repos/maya-look-assigner",
-                "{PYTHONPATH}"
-            ],
-            "MAYA_DISABLE_CLIC_IPM": "Yes",
-            "MAYA_DISABLE_CIP": "Yes",
-            "MAYA_DISABLE_CER": "Yes",
-            "PYMEL_SKIP_MEL_INIT": "Yes",
-            "LC_ALL": "C",
-            "OPENPYPE_LOG_NO_COLORS": "Yes"
-        },
+        "environment": {},
         "variants": {
             "2022": {
                 "use_python_2": false,