add django_huey, huey_monitor, and replace Threads with huey tasks

archivebox/builtin_plugins/singlefile/tasks.py

@@ -0,0 +1,40 @@
+__package__ = 'archivebox.queues'
+
+import time
+
+from django.core.cache import cache
+
+from huey import crontab
+from django_huey import db_task, on_startup, db_periodic_task
+from huey_monitor.models import TaskModel
+from huey_monitor.tqdm import ProcessInfo
+
+@db_task(queue="singlefile", context=True)
+def extract(url, out_dir, config, task=None, parent_task_id=None):
+    if task and parent_task_id:
+        TaskModel.objects.set_parent_task(main_task_id=parent_task_id, sub_task_id=task.id)
+
+    process_info = ProcessInfo(task, desc="extract_singlefile", parent_task_id=parent_task_id, total=1)
+
+    time.sleep(5)
+
+    process_info.update(n=1)
+    return {'output': 'singlefile.html', 'status': 'succeeded'}
+
+
+# @on_startup(queue='singlefile')
+# def start_singlefile_queue():
+#     print("[+] Starting singlefile worker...")
+#     update_version.call_local()
+
+
+# @db_periodic_task(crontab(minute='*/5'), queue='singlefile')
+# def update_version():
+#     print('[*] Updating singlefile version... 5 minute interval')
+#     from django.conf import settings
+    
+#     bin = settings.BINARIES.SinglefileBinary.load()
+#     if bin.version:
+#         cache.set(f"bin:abspath:{bin.name}", bin.abspath)
+#         cache.set(f"bin:version:{bin.name}:{bin.abspath}", bin.version)
+#         print('[√] Updated singlefile version:', bin.version, bin.abspath)