новая структура проекта

reference/blender-wow-studio-3.4-1.1.0_Experimental/io_scene_wmo/ui/locks.py

@@ -0,0 +1,44 @@
+from ..utils.misc import singleton
+
+
+class _BaseLock:
+    _update_lock: int
+
+    def __enter__(self):
+        self._update_lock += 1
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self._update_lock -= 1
+
+    def push(self):
+        """ Manually enter the locking scope. """
+        self._update_lock += 1
+
+    def pop(self):
+        """ Manually exit the locking scope. """
+        self._update_lock -= 1
+
+    @property
+    def status(self) -> bool:
+        """
+        Test if depsgraph handlers are locked now.
+        :return: True if locked, else False.
+        """
+        return bool(self._update_lock)
+
+
+@singleton
+class DepsgraphLock(_BaseLock):
+    """
+    Locks all depsgraph handler operations. Ensures no automated UI takss are handled in enclosed code.
+    """
+    _update_lock: int = 0
+
+
+@singleton
+class UIPropUpdateLock(_BaseLock):
+    """
+    Locks all update() callback in bpy.props custom defined properties that support locking.
+    """
+    _update_lock: int = 0
+