Update

2023/scripts/rigging_tools/ngskintools2/ui/parallel.py

@@ -0,0 +1,39 @@
+from threading import Thread
+
+from maya import utils
+
+from ngSkinTools2.api.python_compatibility import Object
+
+
+class ParallelTask(Object):
+    def __init__(self):
+        self.__run_handlers = []
+        self.__done_handlers = []
+
+    def add_run_handler(self, handler):
+        self.__run_handlers.append(handler)
+
+    def add_done_handler(self, handler):
+        self.__done_handlers.append(handler)
+
+    def start(self, async_exec=True):
+        def done():
+            for i in self.__done_handlers:
+                i(self)
+
+        def thread():
+            for i in self.__run_handlers:
+                i(self)
+            if async_exec:
+                utils.executeDeferred(done)
+            else:
+                done()
+
+        self.current_thread = Thread(target=thread)
+        if async_exec:
+            self.current_thread.start()
+        else:
+            self.current_thread.run()
+
+    def wait(self):
+        self.current_thread.join()