backup metadata first step

cps/schedule.py

@@ -23,7 +23,7 @@ from .services.background_scheduler import BackgroundScheduler, use_APScheduler
 from .tasks.database import TaskReconnectDatabase
 from .tasks.thumbnail import TaskGenerateCoverThumbnails, TaskGenerateSeriesThumbnails, TaskClearCoverThumbnailCache
 from .services.worker import WorkerThread
-
+from .tasks.metadata_backup import TaskBackupMetadata
 
 def get_scheduled_tasks(reconnect=True):
     tasks = list()
@@ -32,6 +32,10 @@ def get_scheduled_tasks(reconnect=True):
     if reconnect:
         tasks.append([lambda: TaskReconnectDatabase(), 'reconnect', False])
 
+    # ToDo make configurable. Generate metadata.opf file for each changed book
+    if True:
+        tasks.append([lambda: TaskBackupMetadata(), 'backup metadata', False])
+
     # Generate all missing book cover thumbnails
     if config.schedule_generate_book_covers:
         tasks.append([lambda: TaskClearCoverThumbnailCache(0), 'delete superfluous book covers', True])
@@ -91,6 +95,7 @@ def should_task_be_running(start, duration):
     end_time = start_time + datetime.timedelta(hours=duration // 60, minutes=duration % 60)
     return start_time < now < end_time
 
+
 def calclulate_end_time(start, duration):
     start_time = datetime.datetime.now().replace(hour=start, minute=0)
     return start_time + datetime.timedelta(hours=duration // 60, minutes=duration % 60)