add cronjob

models.py

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+from django.db import models
+
+# Create your models here.

tasks.py

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+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+from celery.task import periodic_task
+from celery.schedules import crontab
+from django.db import transaction
+
+import itemlist.models
+import item.models
+
+@periodic_task(run_every=crontab(hour=6, minute=0), queue='encoding')
+def cron(**kwargs):
+    update_double_imdb()
+
+
+def update_double_imdb():
+    l = itemlist.models.List.get(name='Double IMDb', user__username='j')
+    for i in item.models.Item.objects.filter(data__contains='imdbId').exclude(id__in=l.items.all()):
+        if item.models.Item.objects.exclude(id=i.id).filter(sort__imdbId=i.sort.imdbId).exists():
+            l.add(i)
+
+    for i in l.items.all():
+        if not i.get('imdbId') or \
+            item.models.Item.objects.filter(sort__imdbId=i.sort.imdbId).count() == 1:
+            l.remove(i)
+
+    transaction.commit_unless_managed()
+

views.py

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+# Create your views here.