Fixes background scheduler/blackhole processor

eBookHub/__init__.py

@@ -120,6 +120,7 @@ def configure_scheduler(app):  # pragma: no cover
         ext.scheduler.add_job(
             func=process_blackhole_job,
             kwargs={
+                "app": app,
                 "blackhole_path": app.config['BLACKHOLE_PATH']
             },
             trigger="interval",
@@ -129,7 +130,6 @@ def configure_scheduler(app):  # pragma: no cover
     except Exception as e:
         app.logger.error(str(e))
         raise
-
     ext.scheduler.start()
 
 

eBookHub/jobs/blackhole.py

@@ -151,9 +151,10 @@ def process_blackhole(blackhole_path):
         yield saved, book_edition_file, file
 
 
-def process_blackhole_job(blackhole_path):
+def process_blackhole_job(app, blackhole_path):
     if lock.acquire(blocking=False):
-        list(process_blackhole(os.path.abspath(blackhole_path)))
+        with app.app_context():
+            list(process_blackhole(os.path.abspath(blackhole_path)))
 
 
 __all__ = (

eBookHub/scheduler.py

@@ -11,7 +11,7 @@ class Scheduler(BackgroundScheduler):
         atexit.register(lambda: self.shutdown())
 
     def start(self, *args, **kwargs):
-        if self._thread and not self._thread.is_alive():
+        if not self._thread or not self._thread.is_alive():
             super().start(*args, **kwargs)
 
     def shutdown(self, *args, **kwargs):

tests/test_blackhole.py

@@ -16,4 +16,4 @@ class BlackHoleTestCase(MyTestCase, TestCase):
         with open(path, "w+") as f:
             f.write("1234")
 
-        process_blackhole_job(get_blackhole_path())
+        process_blackhole_job(self.app, get_blackhole_path())