Fix threading errors

Author: mrvisscher

activity_browser/bwutils/metadata/loader.py

@@ -26,7 +26,6 @@ class MDSLoader(QtCore.QObject):
 
     def __init__(self, mds: MetaDataStore):
         super().__init__(mds)
-        self.moveToThread(application.thread())
 
         self.mds = mds
         self.connect_signals()
@@ -44,6 +43,7 @@ def load_project(self):
 
         # start loading threads
         thread = SecondaryLoadThread(self)
+        thread.setObjectName("SecondaryLoadThread-MDSLoader")
         thread.done.connect(self.secondary_load_project)
         thread.start(databases=list(bd.databases), sqlite_db=str(sqlite3_lci_db._filepath))
 

activity_browser/bwutils/metadata/metadata.py

@@ -28,11 +28,11 @@ def __init__(self, parent=None):
         self._updated: set[tuple[str, str]] = set()
         self._deleted: set[tuple[str, str]] = set()
 
-        self.moveToThread(application.thread())
-
         self.loader = MDSLoader(self)
         self.updater = MDSUpdater(self)
         self.flusher: QTimer | None = None
+        
+        self.moveToThread(application.thread())
 
     @property
     def dataframe(self) -> pd.DataFrame:

activity_browser/bwutils/metadata/updater.py

@@ -17,7 +17,6 @@
 class MDSUpdater(QtCore.QObject):
     def __init__(self, mds: MetaDataStore):
         super().__init__(mds)
-        self.moveToThread(application.thread())
 
         self.mds = mds
         self.connect_signals()