Pose Library: use functions instead of operators to mark/clear asset

Replace `ASSET_OT_mark` and `ASSET_OT_clear` operator calls with calls to
resp. `ID.asset_mark()` and `ID.asset_clear()`.

No functional changes.

pose_library/functions.py

@@ -21,34 +21,11 @@ Pose Library - functions.
 """
 
 from pathlib import Path
-from typing import Any, List, Set, cast, Iterable
+from typing import Any, List, Iterable
 
 Datablock = Any
 
 import bpy
-from bpy.types import (
-    Context,
-)
-
-
-def asset_mark(context: Context, datablock: Any) -> Set[str]:
-    asset_mark_ctx = {
-        **context.copy(),
-        "id": datablock,
-    }
-    return cast(Set[str], bpy.ops.asset.mark(asset_mark_ctx))
-
-
-def asset_clear(context: Context, datablock: Any) -> Set[str]:
-    asset_clear_ctx = {
-        **context.copy(),
-        "id": datablock,
-    }
-    result = bpy.ops.asset.clear(asset_clear_ctx)
-    assert isinstance(result, set)
-    if "FINISHED" in result:
-        datablock.use_fake_user = False
-    return result
 
 
 def load_assets_from(filepath: Path) -> List[Datablock]:

pose_library/operators.py

@@ -216,7 +216,9 @@ class POSELIB_OT_copy_as_asset(PoseAssetCreator, Operator):
 
         filepath = self.save_datablock(asset)
 
-        functions.asset_clear(context, asset)
+        # The asset has been saved to disk, so to clean up it has to loose its asset & fake user status.
+        asset.asset_clear()
+        asset.use_fake_user = False
         if asset.users > 0:
             self.report({"ERROR"}, "Unexpected non-null user count for the asset")
             return {"FINISHED"}

pose_library/pose_creation.py

@@ -305,7 +305,7 @@ def create_pose_asset(
 ) -> Optional[Action]:
     """Create a single-frame Action containing only the pose of the given bones.
 
-    DOES mark as asset, DOES NOT add asset metadata.
+    DOES mark as asset, DOES NOT configure asset metadata.
     """
 
     creator = PoseActionCreator(params)
@@ -313,7 +313,7 @@ def create_pose_asset(
     if pose_action is None:
         return None
 
-    functions.asset_mark(context, pose_action)
+    pose_action.asset_mark()
     return pose_action