Simple cache manager for django 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 django-cache-manager- Cache results for a model on load.
- Evict cache for model on update.
Add to installed apps
INSTALLED_APPS = (
...
'django_cache_manager',
...
)
Define cache backend for django_cache_manager.cache_backend in settings.py. The backend can be any cache backend
that implements django cache API.
CACHES = {
'django_cache_manager.cache_backend': {
'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache',
'LOCATION': '/tmp/django_cache_manager',
'TIMEOUT': 0
}
}
from django_cache_manager.cache_manager import CacheManager
class MyModel(models.Model):
#set cache manager as default
objects = CacheManager()
To run django shell with sample models defined in tests.
make shellSample 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 testSupported - 1.5, 1.6, 1.7, 1.8, 1.9