Remove superseded ExtendedQuerySet as it's functionality is built into Django since 1.7 (#563)

* get rid of outdated model managers as update_or_create is provided by django since 1.7

* fix line length

* fix docstring

Author: lociii

django_celery_beat/managers.py

@@ -13,7 +13,7 @@
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
-from . import managers, validators
+from . import querysets, validators
 from .tzcrontab import TzAwareCrontab
 from .utils import make_aware, now
 from .clockedschedule import clocked
@@ -369,8 +369,6 @@ class PeriodicTasks(models.Model):
     ident = models.SmallIntegerField(default=1, primary_key=True, unique=True)
     last_update = models.DateTimeField(null=False)
 
-    objects = managers.ExtendedManager()
-
     @classmethod
     def changed(cls, instance, **kwargs):
         if not instance.no_changes:
@@ -540,7 +538,7 @@ class PeriodicTask(models.Model):
             'Detailed description about the details of this Periodic Task'),
     )
 
-    objects = managers.PeriodicTaskManager()
+    objects = querysets.PeriodicTaskQuerySet.as_manager()
     no_changes = False
 
     class Meta:

django_celery_beat/models.py

@@ -0,0 +1,9 @@
+"""Model querysets."""
+from django.db import models
+
+
+class PeriodicTaskQuerySet(models.QuerySet):
+    """QuerySet for PeriodicTask."""
+
+    def enabled(self):
+        return self.filter(enabled=True)

django_celery_beat/querysets.py

@@ -173,9 +173,10 @@ def to_model_schedule(cls, schedule):
 
     @classmethod
     def from_entry(cls, name, app=None, **entry):
-        return cls(PeriodicTask._default_manager.update_or_create(
+        obj, created = PeriodicTask._default_manager.update_or_create(
             name=name, defaults=cls._unpack_fields(**entry),
-        ), app=app)
+        )
+        return cls(obj, app=app)
 
     @classmethod
     def _unpack_fields(cls, schedule,

django_celery_beat/schedulers.py

@@ -1,11 +1,11 @@
 =====================================================
- ``django_celery_beat.managers``
+ ``django_celery_beat.querysets``
 =====================================================
 
 .. contents::
     :local:
-.. currentmodule:: django_celery_beat.managers
+.. currentmodule:: django_celery_beat.querysets
 
-.. automodule:: django_celery_beat.managers
+.. automodule:: django_celery_beat.querysets
     :members:
     :undoc-members:

docs/reference/django-celery-beat.managers.rst renamed to docs/reference/django-celery-beat.querysets.rst

@@ -13,7 +13,7 @@
     django-celery-beat
     django-celery-beat.models
     django-celery-beat.tzcrontab
-    django-celery-beat.managers
+    django-celery-beat.querysets
     django-celery-beat.schedulers
     django-celery-beat.admin
     django-celery-beat.utils