shutter: ping

quartiq · Nov 12, 2018 · cbe3526 · cbe3526
1 parent 2fecc58
commit cbe3526
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/ptb/shutter_protocol.py b/ptb/shutter_protocol.py
@@ -29,6 +29,16 @@ async def version(self):
         """
         return (await self.ask(b"v")).strip()
 
+    async def ping(self):
+        try:
+            await self.version()
+        except asyncio.CancelledError:
+            raise
+        except:
+            logger.warning("ping failed", exc_info=True)
+            return False
+        return True
+
     async def status(self):
         """Return the error flags on all channels.