Validate xgen

openpype/hosts/maya/plugins/publish/validate_xgen.py

@@ -0,0 +1,28 @@
+import maya.cmds as cmds
+
+import pyblish.api
+
+
+class ValidateXgen(pyblish.api.InstancePlugin):
+    """Ensure Xgen objectset only contains collections."""
+
+    label = "Xgen"
+    order = pyblish.api.ValidatorOrder
+    host = ["maya"]
+    families = ["xgen"]
+
+    def process(self, instance):
+        nodes = (
+            cmds.ls(instance, type="xgmPalette", long=True) +
+            cmds.ls(instance, type="transform", long=True) +
+            cmds.ls(instance, type="xgmDescription", long=True) +
+            cmds.ls(instance, type="xgmSubdPatch", long=True)
+        )
+        remainder_nodes = []
+        for node in instance:
+            if node in nodes:
+                continue
+            remainder_nodes.append(node)
+
+        msg = "Invalid nodes in the objectset:\n{}".format(remainder_nodes)
+        assert not remainder_nodes, msg