flame: add function to maintain object duplication

openpype/hosts/flame/api/__init__.py

@@ -27,7 +27,8 @@ from .lib import (
     get_clips_in_reels,
     get_reformated_path,
     get_frame_from_path,
-    get_padding_from_path
+    get_padding_from_path,
+    maintained_object_duplication
 )
 from .utils import (
     setup,
@@ -93,6 +94,7 @@ __all__ = [
     "get_reformated_path",
     "get_frame_from_path",
     "get_padding_from_path",
+    "maintained_object_duplication",
 
     # pipeline
     "install",

openpype/hosts/flame/api/lib.py

@@ -675,3 +675,26 @@ def get_frame_from_path(path):
         return found.pop()
     else:
         return None
+
+
+
+@contextlib.contextmanager
+def maintained_object_duplication(item):
+    """Maintain input item duplication
+
+    Attributes:
+        item (any flame.PyObject): python api object
+
+    Yield:
+        duplicate input PyObject type
+    """
+    import flame
+    # Duplicate the clip to avoid modifying the original clip
+    duplicate = flame.duplicate(item)
+
+    try:
+        # do the operation on selected segments
+        yield duplicate
+    finally:
+        # delete the item at the end
+        flame.delete(duplicate)