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ORM for managing cache of django models using redis. Models data can be cached just once and as per requirements it can be fetched using filters.
No-Sql in retrieval of model objects.
Dependencies:
User Manual :
from redis_db.manager import CacheManager
class Person(models.Model):
"""
Person model, contains basic details.
"""
name = models.CharField(max_length = 255)
email = models.EmailField(max_length = 100)
gender = models.ChoiceField(choices = (('M', 'Male'), ('F', 'Female')))
#custom managers
objects = models.Manager()
cache_objects = CacheManager(key = 'person-cache')
Creating Cache Data (one time process)
qs = Person.objects.all()
Person.cache_objects.store(qs) # qs can be anything, filtered queryset or model object itself
Retrieving Objects from cache (No-SQL)
1- All objects
objs = Person.cache_objects.all() # returns list of Person Objects. Note - Gives back list not queryset,
# because querysets itself is lazy query
2 - Filters usage
objs = Person.cache_objects.filter(gender = 'M') # all male Person's Objects
3 - Get a specific object based on id
obj = Person.cache_objects.get(id= 10)
Note :
For non reference objects there is no query at all but in case of ForiegnKey retreival it makes a query to get that object.
FAQs
Redis cache for managing Django ORM
We found that Redis-DB demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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