2025-07-01

extensions/blender_org/iocgpoly_lip_sync/Utils/strings.py

@@ -0,0 +1,21 @@
+from typing import List, Tuple
+
+
+# This cache is required as a workaround for character encoding issue
+# when using dynamic EnumProperty items (https://docs.blender.org/api/master/bpy.props.html#bpy.props.EnumProperty).
+# Do not remove it otherwise non ascii characters will be displayed as Mojibake (https://github.com/Charley3d/lip-sync/issues/14)
+STRING_CACHE = {}
+
+
+def intern_enum_items(items: List[Tuple[str, str, str]]) -> List[Tuple[str, str, str]]:
+    """Cache strings to prevent memory issues"""
+
+    def intern_string(s):
+        if not isinstance(s, str):
+            return s
+        global STRING_CACHE
+        if s not in STRING_CACHE:
+            STRING_CACHE[s] = s
+        return STRING_CACHE[s]
+
+    return [tuple(intern_string(s) for s in item) for item in items]