- new Python 3.11 started to drop support for passing coro instead of tasks

=> coro need to be wrapped w/ tasks



git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@3049 b32b6428-25c9-4566-ad07-03861ab6144f

apps/tools/xaal/tools/toolbox.py

@@ -385,7 +385,7 @@ class ToolboxHelper(object):
     async def find_db_server(self):
         self.engine.subscribe(self.find_db_callback)
         self.engine.send_is_alive(self.device, dev_types=[DB_DEV_TYPE])
-        await asyncio.wait([self.db_server_found.wait(), ], timeout=0.3)
+        await self.wait_for_event(self.db_server_found, timeout=0.3)
         self.engine.unsubscribe(self.find_db_callback)
 
     def request_db_values(self, addr):
@@ -405,7 +405,8 @@ class ToolboxHelper(object):
     # start/stop/idle/error
     #####################################################
     async def wait_completed(self, timeout=0.5):
-        await asyncio.wait([self.exit_event.wait(), ], timeout=timeout)
+        """wait until exit event is set"""
+        await self.wait_for_event(self.exit_event, timeout=timeout)
 
     def update_idle(self):
         self.last_msg_time = now()
@@ -445,6 +446,14 @@ class ToolboxHelper(object):
         self.parser.print_help()
         exit(1)
 
+    #####################################################
+    # misc
+    #####################################################
+    async def wait_for_event(self, event, timeout):
+        """ wait for a given event or timeout"""
+        wait_task = asyncio.create_task(event.wait())
+        await asyncio.wait([wait_task], timeout=timeout)
+
 
 def colorize(color, text):
     return f"{color}{text}{style.RESET}"