added a task scheduler for recurring tasks

src/documents/management/commands/document_create_classifier.py

@@ -1,10 +1,6 @@
-import logging
-
 from django.core.management.base import BaseCommand
-from documents.classifier import DocumentClassifier, \
-    IncompatibleClassifierVersionError
-from paperless import settings
 from ...mixins import Renderable
+from ...tasks import train_classifier
 
 
 class Command(Renderable, BaseCommand):
@@ -18,27 +14,4 @@ class Command(Renderable, BaseCommand):
         BaseCommand.__init__(self, *args, **kwargs)
 
     def handle(self, *args, **options):
-        classifier = DocumentClassifier()
-
-        try:
-            # load the classifier, since we might not have to train it again.
-            classifier.reload()
-        except (FileNotFoundError, IncompatibleClassifierVersionError):
-            # This is what we're going to fix here.
-            pass
-
-        try:
-            if classifier.train():
-                logging.getLogger(__name__).info(
-                    "Saving updated classifier model to {}...".format(settings.MODEL_FILE)
-                )
-                classifier.save_classifier()
-            else:
-                logging.getLogger(__name__).debug(
-                    "Training data unchanged."
-                )
-
-        except Exception as e:
-            logging.getLogger(__name__).error(
-                "Classifier error: " + str(e)
-            )
+        train_classifier()