Almost there

deftest.py

@@ -3,7 +3,7 @@ import os
 import sys
 from typing import cast
 
-from PyQt6.QtCore import QResource
+from PyQt6.QtCore import QResource, QSettings
 from PyQt6.QtGui import QFontDatabase
 from PyQt6.QtSql import QSqlDatabase, QSqlQuery
 from PyQt6.QtWidgets import QApplication
@@ -22,15 +22,31 @@ def main() -> int:
         raise Exception(db.lastError())
     app = QApplication(sys.argv)
     #
+    # Set Default settings
+    #
+    settings = QSettings('Troglodite', 'esl_reader')
+    settings.beginGroup('font')
+    if not settings.contains('display/url'):
+        settings.setValue('display/url', ':/fonts/opendyslexic/OpenDyslexic-Regular.otf')
+    if not settings.contains('display/name'):
+        settings.setValue('display/name', 'OpenDyslexic')
+    if not settings.contains('phonic/name'):
+        settings.setValue('phonic/name', 'Gentium')
+    settings.endGroup()
+    if not settings.contains('keys/mw-api'):
+        settings.setValue('keys/mw-api','51d9df34-ee13-489e-8656-478c215e846c')
+    #
     # Setup resources
     #
     if not QResource.registerResource(
         os.path.join(os.path.dirname(__file__), "ui/resources.rcc"), "/"
     ):
         raise Exception("Unable to register resources.rcc")
-    QFontDatabase.addApplicationFont(
-        ":/fonts/opendyslexic/OpenDyslexic-Regular.otf"
-    )
+    settings.beginGroup('font')
+    for name in settings.childGroups():
+        if settings.contains(f'{name}/url'):
+            QFontDatabase.addApplicationFont(settings.value(f'{name}/url'))
+    settings.endGroup()
     query = QSqlQuery()
     if not query.exec(
         "CREATE TABLE IF NOT EXISTS words "