Clear initial mypy typecheck baseline

src/logic/storage/sqlite_storage.py

@@ -84,7 +84,7 @@ def _configure_logging(data_directory: Path) -> None:
         LOGGER.exception("Unable to configure the SchedPlus storage log")
         return
 
-    handler._schedplus_storage = True
+    handler.__dict__["_schedplus_storage"] = True
     handler.setFormatter(
         logging.Formatter("%(asctime)s %(levelname)s %(name)s: %(message)s")
     )

src/startup/controller.py

@@ -72,11 +72,12 @@ def _boot(forced_mode: StartupMode | None = None):
         from .selector import StartupSelector
 
         selector = StartupSelector()
-        mode = selector.show()
+        selected_mode = selector.show()
 
-        if mode is None:
+        if selected_mode is None:
             print("Startup cancelled.")
             return 0
+        mode = selected_mode
 
     # 4. Route to correct UI
     return _launch_mode(mode, arguments)

src/startup/selector.py

@@ -6,10 +6,14 @@
 Bypass this with direct commands see modes.py
 """
 
+from typing import Any
+
 from schedplus.identity import get_application_identity
 
 from .modes import StartupMode
 
+tk: Any
+ttk: Any
 try:
     import tkinter as tk
     from tkinter import ttk

src/ui/pyqt/calendar_view.py

@@ -1,7 +1,7 @@
 """Native month, week, and day scheduling workspace."""
 
 from collections import Counter, defaultdict
-from datetime import time
+from datetime import date, time
 
 from PyQt6.QtCore import QDate, QPoint, Qt, QTime, pyqtSignal
 from PyQt6.QtGui import QColor, QPainter
@@ -40,10 +40,17 @@ def set_tasks(self, tasks):
         self.task_counts = Counter(task.date for task in tasks)
         self.updateCells()
 
-    def paintCell(self, painter: QPainter, rect, calendar_date: QDate):
+    def paintCell(
+        self, painter: QPainter | None, rect, calendar_date: QDate | date
+    ) -> None:
         super().paintCell(painter, rect, calendar_date)
-        count = self.task_counts.get(calendar_date.toString("yyyy-MM-dd"), 0)
-        if not count:
+        date_key = (
+            calendar_date.toString("yyyy-MM-dd")
+            if isinstance(calendar_date, QDate)
+            else calendar_date.isoformat()
+        )
+        count = self.task_counts.get(date_key, 0)
+        if not count or painter is None:
             return
         painter.save()
         painter.setPen(Qt.PenStyle.NoPen)
@@ -88,9 +95,9 @@ def configure(self, dates: list[str], times: list[str]):
             ]
         )
         self.setVerticalHeaderLabels(times)
-        self.horizontalHeader().setSectionResizeMode(
-            self.horizontalHeader().ResizeMode.Stretch
-        )
+        header = self.horizontalHeader()
+        if header is not None:
+            header.setSectionResizeMode(header.ResizeMode.Stretch)
         for row in range(len(times)):
             self.setRowHeight(row, 38)
 

src/ui/pyqt/settings_dialog.py

@@ -301,10 +301,10 @@ def _build_data_tab(self) -> QWidget:
         info_layout.addRow("Platform:", QLabel(platform.platform()))
         info_layout.addRow("Python:", QLabel(platform.python_version()))
         if self._scheduler is not None:
-            task_count = len(self._scheduler.get_tasks())
+            task_count = str(len(self._scheduler.get_tasks()))
         else:
             task_count = "—"
-        info_layout.addRow("Tasks:", QLabel(str(task_count)))
+        info_layout.addRow("Tasks:", QLabel(task_count))
         layout.addWidget(info_group)
 
         layout.addStretch()

src/ui/pyqt/task_list.py

@@ -189,14 +189,19 @@ def __init__(self, scheduler, preferences: UiPreferences, parent=None):
         self.table.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers)
         self.table.setAlternatingRowColors(True)
         self.table.setSortingEnabled(False)
-        self.table.verticalHeader().hide()
-        self.table.horizontalHeader().setStretchLastSection(False)
+        vertical_header = self.table.verticalHeader()
+        if vertical_header is not None:
+            vertical_header.hide()
+        horizontal_header = self.table.horizontalHeader()
+        if horizontal_header is not None:
+            horizontal_header.setStretchLastSection(False)
         self.table.setColumnWidth(0, 120)
         self.table.setColumnWidth(1, 90)
         self.table.setColumnWidth(2, 460)
-        self.table.horizontalHeader().setSectionResizeMode(
-            2, self.table.horizontalHeader().ResizeMode.Stretch
-        )
+        if horizontal_header is not None:
+            horizontal_header.setSectionResizeMode(
+                2, horizontal_header.ResizeMode.Stretch
+            )
         self.table.doubleClicked.connect(self._emit_edit)
         self.table.setAccessibleName("Task list")
         layout.addWidget(self.table, 1)
@@ -229,7 +234,9 @@ def __init__(self, scheduler, preferences: UiPreferences, parent=None):
         self.edit_button.clicked.connect(self._emit_edit)
         self.complete_button.clicked.connect(self._emit_complete)
         self.delete_button.clicked.connect(self._emit_delete)
-        self.table.selectionModel().selectionChanged.connect(self._update_actions)
+        selection_model = self.table.selectionModel()
+        if selection_model is not None:
+            selection_model.selectionChanged.connect(self._update_actions)
 
         self.apply_preferences(preferences)
         self.refresh()

src/ui/tkinter_ui.py

@@ -8,7 +8,7 @@
 from pathlib import Path
 from tkinter import filedialog, messagebox, ttk
 
-from tkcalendar import Calendar
+from tkcalendar import Calendar  # type: ignore[import-untyped]
 
 from logic import local_time
 from logic.data_transfer import (