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# import the logging library 

import logging 

import traceback 

 

from celery.schedules import crontab 

from celery.task import periodic_task 

from django.db import transaction 

 

# Get an instance of a logger 

from analyzer.custom_models import Recommender 

 

logger = logging.getLogger(__name__) 

 

 

@periodic_task(run_every=crontab(minute=0, hour='*/72')) 

def run_recommender_system(): 

""" Update the recommender data """ 

try: 

with transaction.atomic(): 

recommender_system = Recommender() 

recommender_system.start() 

 

except Exception as e: 

logger.error( 

"Error in celery task creating recommender {}".format(e)) 

logger.error(traceback.print_exc())