Added Loader Hooks to switch_container

client/ayon_core/pipeline/load/utils.py

@@ -632,15 +632,22 @@ def update_container(container, version=-1, hooks_by_identifier=None):
     return update_return
 
 
-def switch_container(container, representation, loader_plugin=None):
+def switch_container(
+    container,
+    representation,
+    loader_plugin=None,
+    hooks_by_identifier=None
+):
     """Switch a container to representation
 
     Args:
         container (dict): container information
         representation (dict): representation entity
+        loader_plugin (LoaderPlugin)
+        hooks_by_identifier (dict): {"pre": [PreHookPlugin1], "post":[]}
 
     Returns:
-        function call
+        return from function call
     """
     from ayon_core.pipeline import get_current_project_name
 
@@ -679,7 +686,21 @@ def switch_container(container, representation, loader_plugin=None):
 
     loader = loader_plugin(context)
 
-    return loader.switch(container, context)
+    loader_identifier = get_loader_identifier(loader)
+    hooks = hooks_by_identifier.get(loader_identifier, {})
+    for hook_plugin in hooks.get("pre", []):
+        hook_plugin.switch(
+            context,
+            container
+        )
+    switch_return = loader.switch(container, context)
+    for hook_plugin in hooks.get("post", []):
+        hook_plugin.switch(
+            context,
+            container
+        )
+
+    return switch_return
 
 
 def _fix_representation_context_compatibility(repre_context):

client/ayon_core/tools/sceneinventory/switch_dialog/dialog.py

@@ -1339,8 +1339,14 @@ class SwitchAssetDialog(QtWidgets.QDialog):
                 repre_entity = repres_by_name[container_repre_name]
 
         error = None
+        hook_loaders_by_id = self._controller.get_hook_loaders_by_identifier()
         try:
-            switch_container(container, repre_entity, loader)
+            switch_container(
+                container,
+                repre_entity,
+                loader,
+                hook_loaders_by_id
+            )
         except (
             LoaderSwitchNotImplementedError,
             IncompatibleLoaderError,