gui.models: clean up LocalModelManager a bit

artiq/browser/experiments.py

@@ -11,7 +11,6 @@ from artiq import __artiq_dir__ as artiq_dir
 from artiq.gui.tools import LayoutWidget, log_level_to_name, get_open_file_name
 from artiq.gui.entries import argty_to_entry
 from artiq.protocols import pyon
-from artiq.protocols.sync_struct import process_mod
 from artiq.master.worker import Worker, log_worker_exception
 
 logger = logging.getLogger(__name__)
@@ -341,7 +340,6 @@ class LocalDatasetDB:
 
     def update(self, mod):
         self.datasets_sub.update(mod)
-        process_mod(self._data, mod)
 
 
 class ExperimentsArea(QtWidgets.QMdiArea):

artiq/gui/models.py

@@ -1,6 +1,6 @@
 from PyQt5 import QtCore
 
-from artiq.protocols.sync_struct import Subscriber
+from artiq.protocols.sync_struct import Subscriber, process_mod
 
 
 class ModelManager:
@@ -33,12 +33,15 @@ class LocalModelManager(ModelManager):
         self.notify_cbs = []
 
     def update(self, mod):
+        process_mod(self.model, mod)
         for notify_cb in self.notify_cbs:
             notify_cb(mod)
 
     def init(self, struct):
         self._create_model(struct)
-        self.update({"action": "init", "struct": struct})
+        mod = {"action": "init", "struct": struct}
+        for notify_cb in self.notify_cbs:
+            notify_cb(mod)
 
 
 class _SyncSubstruct: