fixes context shutdown

Author: David Erb

src/dls_servbase_lib/datafaces/context.py

@@ -63,23 +63,23 @@ async def aenter(self) -> None:
             await self.server.activate()
 
     # ----------------------------------------------------------------------------------------
-    async def aexit(self, type, value, traceback) -> None:
+    async def aexit(self, type=None, value=None, traceback=None):
         """
         Asyncio context exit.
 
         Stop service if one was started and releases any client resources.
         """
+        logger.debug(f"[DISSHU] {thing_type} aexit")
 
         if self.server is not None:
             start_as = self.context_specification.get("start_as")
 
             if start_as == "process":
-                logger.info(
-                    "[DISSHU] in context exit, sending shutdown to client process"
-                )
-                # Put in request to shutdown the server.
-                await self.server.client_shutdown()
-                logger.info("[DISSHU] in context exit, sent shutdown to client process")
+                # The server associated with this context is running?
+                if await self.is_process_alive():
+                    logger.debug(f"[DISSHU] {thing_type} calling client_shutdown")
+                    # Put in request to shutdown the server.
+                    await self.server.client_shutdown()
 
             if start_as == "coro":
                 await self.server.direct_shutdown()

src/dls_servbase_lib/guis/context.py

@@ -37,12 +37,23 @@ async def aenter(self):
             await self.server.start_process()
 
     # ----------------------------------------------------------------------------------------
-    async def aexit(self, type, value, traceback):
-        """ """
+    async def aexit(self, type=None, value=None, traceback=None):
+        """
+        Asyncio context exit.
+
+        Stop service if one was started and releases any client resources.
+        """
+        logger.debug(f"[DISSHU] {thing_type} aexit")
 
         if self.server is not None:
-            # Put in request to shutdown the server.
-            await self.server.client_shutdown()
+            start_as = self.context_specification.get("start_as")
+
+            if start_as == "process":
+                # The server associated with this context is running?
+                if await self.is_process_alive():
+                    logger.debug(f"[DISSHU] {thing_type} calling client_shutdown")
+                    # Put in request to shutdown the server.
+                    await self.server.client_shutdown()
 
-            # Release a client connection if we had one.
-            await self.server.close_client_session()
+            if start_as == "coro":
+                await self.server.direct_shutdown()