No more sessions in playlists!

Save/restore playlist column widths.

app/playlists.py

@@ -38,7 +38,6 @@ from audacity_controller import AudacityController
 from classes import (
     ApplicationError,
     Col,
-    InsertTrack,
     MusicMusterSignals,
     PlaylistStyle,
     TrackInfo
@@ -55,6 +54,7 @@ from log import log, log_call
 from models import db, Settings
 from playlistrow import TrackSequence
 from playlistmodel import PlaylistModel, PlaylistProxyModel
+import repository
 
 if TYPE_CHECKING:
     from musicmuster import Window
@@ -686,11 +686,10 @@ class PlaylistTab(QTableView):
         # Resize rows if necessary
         self.resizeRowsToContents()
 
-        with db.Session() as session:
-            attr_name = f"playlist_col_{column_number}_width"
-            record = Settings.get_setting(session, attr_name)
-            record.f_int = self.columnWidth(column_number)
-            session.commit()
+        # Save settings
+        repository.set_setting(
+            f"playlist_col_{column_number}_width", self.columnWidth(column_number)
+        )
 
     def _context_menu(self, pos):
         """Display right-click menu"""
@@ -1064,14 +1063,13 @@ class PlaylistTab(QTableView):
             return
 
         # Last column is set to stretch so ignore it here
-        with db.Session() as session:
-            for column_number in range(header.count() - 1):
-                attr_name = f"playlist_col_{column_number}_width"
-                record = Settings.get_setting(session, attr_name)
-                if record.f_int is not None:
-                    self.setColumnWidth(column_number, record.f_int)
-                else:
-                    self.setColumnWidth(column_number, Config.DEFAULT_COLUMN_WIDTH)
+        for column_number in range(header.count() - 1):
+            attr_name = f"playlist_col_{column_number}_width"
+            value = repository.get_setting(attr_name)
+            if value is not None:
+                self.setColumnWidth(column_number, value)
+            else:
+                self.setColumnWidth(column_number, Config.DEFAULT_COLUMN_WIDTH)
 
     def set_row_as_next_track(self) -> None:
         """

app/repository.py

@@ -527,7 +527,7 @@ def get_playlist_row(playlistrow_id: int) -> PlaylistRowDTO | None:
 
 
 def get_playlist_rows(
-    playlist_id: int, check_playlist_itegrity=True
+    playlist_id: int, check_playlist_itegrity: bool = True
 ) -> list[PlaylistRowDTO]:
     # Alias PlaydatesTable for subquery
     LatestPlaydate = aliased(Playdates)
@@ -724,7 +724,7 @@ def get_setting(name: str) -> int | None:
     with db.Session() as session:
         record = session.execute(
             select(Settings).where(Settings.name == name)
-        ).one_or_none()
+        ).scalars().one_or_none()
         if not record:
             return None
 
@@ -739,7 +739,7 @@ def set_setting(name: str, value: int) -> None:
     with db.Session() as session:
         record = session.execute(
             select(Settings).where(Settings.name == name)
-        ).one_or_none()
+        ).scalars().one_or_none()
         if not record:
             record = Settings(session=session, name=name)
             if not record: