Implemented balidator to check if the uasset has any dependency

openpype/hosts/unreal/plugins/publish/validate_no_dependencies.py

@@ -0,0 +1,40 @@
+import unreal
+
+import pyblish.api
+
+
+class ValidateNoDependencies(pyblish.api.InstancePlugin):
+    """Ensure that the uasset has no dependencies
+
+    The uasset is checked for dependencies. If there are any, the instance
+    cannot be published.
+    """
+
+    order = pyblish.api.ValidatorOrder
+    label = "Check no dependencies"
+    families = ["uasset"]
+    hosts = ["unreal"]
+    optional = True
+
+    def process(self, instance):
+        ar = unreal.AssetRegistryHelpers.get_asset_registry()
+        all_dependencies = []
+
+        for obj in instance[:]:
+            asset = ar.get_asset_by_object_path(obj)
+            dependencies = ar.get_dependencies(
+                asset.package_name,
+                unreal.AssetRegistryDependencyOptions(
+                    include_soft_package_references=True,
+                    include_hard_package_references=True,
+                    include_searchable_names=False,
+                    include_soft_management_references=False,
+                    include_hard_management_references=False
+                ))
+            if dependencies:
+                for dep in dependencies:
+                    all_dependencies.append(str(dep))
+
+        if all_dependencies:
+            raise RuntimeError(
+                f"Dependencies found: {all_dependencies}")