Fixed SSE error after export (Safari)

client/jsFiles/SEAWebClientCommunication.js

@@ -64,7 +64,7 @@ function handleUpdateMessage(src, message) {
         console.log("%cfrom server (SSE): " + message.type,
                 "color:white;background:lightgray", message);
     }
-
+    // console.log(message.type, "at", new Date())
     // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
     // <---------------------------------------------------------------------------------BUG!!!
     // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

client/jsFiles/SEAWebClientGraphics.js

@@ -292,6 +292,7 @@ function exportCallback(selectedVariables, startDateTimeMs, endDateTimeMs, nan,
     let exportURL = "http://" + hostPort + "/export?time=" + startDateTimeMs/1000 + "," + endDateTimeMs/1000 + "&variables=" + selectedVariables + "&nan=" + nan + "&interval=" + binningParam + "&id=" + clientID
     let a = document.createElement('a');
     a.href = exportURL
+    a.download = true
     a.click()
 }
 

seaweb.py

@@ -92,8 +92,10 @@ def get_update(path=None):
                         lastmsg = time.time()
                     else:
                         gevent.sleep(0.5)
-        except (GeneratorExit, tcp_lineserver.Disconnected):
+        except (GeneratorExit, tcp_lineserver.Disconnected) as e:
+            logging.info("except clause %r", repr(e))
             logging.info('CLOSED %s', client.id)
+            print('CLOSE client')
             instrument.remove(client)
             pass
         except Exception as e: