- Simple cache manager for Django 2 models that caches querysets for a model.
- Cache manager will cache any query that has been seen for a model.
- Model cache is evicted for any updates/deletes to the model.
- This manager is useful for models that don't change often.
- pip install django2-manager-cache
- Cache results for a model on load.
- Evict cache for model on update.
Add to installed apps:
INSTALLED_APPS = (
...
'django2_manager_cache',
...
)
Add the manager to a django model:
from django2_manager_cache import CacheManager
class MyModel(models.Model):
# set cache manager as default
objects = CacheManager()
# to use this manager with as related manager
# https://docs.djangoproject.com/en/2.2/topics/db/managers/#base-managers
# class Meta:
# base_manager_name = 'objects'
Define cache backend for django2_manager_cache.cache_backend
in settings.py
. The backend can be any cache backend that implements django cache API.:
CACHES = {
'django2_manager_cache.cache_backend': {
'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
'LOCATION': '127.0.0.1:11211',
}
}
To run django shell with sample models defined in tests.:
make shell
Sample models:
from tests.models import Manufacturer
from tests.models import Car
from tests.models import Driver
m = Manufacturer(name='Tesla')
m.save()
c = Car(make=m, model='Model S', year=2015)
c.save()
d = Driver(first_name ='ABC', last_name='XYZ')
d.save()
d.cars.add(c)
drivers = Driver.objects.select_related('car', 'manufacturer').all()
To run tests:
make test
Supported - 1.5, 1.6, 1.7, 1.8, 1.9, 1.11, 2.0, 2.1, 2.2