Merge pull request #1110 from ynput/enhancement/allow-transient-data-…

…on-instnace-init

Create: Allow to pass in transient data on instance creation

client/ayon_core/pipeline/create/structures.py

@@ -1,6 +1,7 @@
 import copy
 import collections
 from uuid import uuid4
+import typing
 from typing import Optional, Dict, List, Any
 
 from ayon_core.lib.attribute_definitions import (
@@ -17,6 +18,9 @@
 from .exceptions import ImmutableKeyError
 from .changes import TrackChangesItem
 
+if typing.TYPE_CHECKING:
+    from .creator_plugins import BaseCreator
+
 
 class ConvertorItem:
     """Item representing convertor plugin.
@@ -444,10 +448,11 @@ class CreatedInstance:
 
     def __init__(
         self,
-        product_type,
-        product_name,
-        data,
-        creator,
+        product_type: str,
+        product_name: str,
+        data: Dict[str, Any],
+        creator: "BaseCreator",
+        transient_data: Optional[Dict[str, Any]] = None,
     ):
         self._creator = creator
         creator_identifier = creator.identifier
@@ -462,7 +467,9 @@ def __init__(
         self._members = []
 
         # Data that can be used for lifetime of object
-        self._transient_data = {}
+        if transient_data is None:
+            transient_data = {}
+        self._transient_data = transient_data
 
         # Create a copy of passed data to avoid changing them on the fly
         data = copy.deepcopy(data or {})
@@ -787,16 +794,26 @@ def set_create_attr_defs(self, attr_defs, value=None):
         self._create_context.instance_create_attr_defs_changed(self.id)
 
     @classmethod
-    def from_existing(cls, instance_data, creator):
+    def from_existing(
+        cls,
+        instance_data: Dict[str, Any],
+        creator: "BaseCreator",
+        transient_data: Optional[Dict[str, Any]] = None,
+    ) -> "CreatedInstance":
         """Convert instance data from workfile to CreatedInstance.
 
         Args:
             instance_data (Dict[str, Any]): Data in a structure ready for
                 'CreatedInstance' object.
             creator (BaseCreator): Creator plugin which is creating the
-                instance of for which the instance belong.
-        """
+                instance of for which the instance belongs.
+            transient_data (Optional[dict[str, Any]]): Instance transient
+                data.
 
+        Returns:
+            CreatedInstance: Instance object.
+
+        """
         instance_data = copy.deepcopy(instance_data)
 
         product_type = instance_data.get("productType")
@@ -809,7 +826,11 @@ def from_existing(cls, instance_data, creator):
             product_name = instance_data.get("subset")
 
         return cls(
-            product_type, product_name, instance_data, creator
+            product_type,
+            product_name,
+            instance_data,
+            creator,
+            transient_data=transient_data,
         )
 
     def attribute_value_changed(self, key, changes):