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rowsandall/rowers/longtask.py
2017-11-01 17:16:08 +01:00

90 lines
2.2 KiB
Python

from __future__ import absolute_import
import numpy as np
import time
from redis import StrictRedis,Redis
from celery import result as celery_result
import json
redis_connection = StrictRedis()
import redis
import threading
def getvalue(data):
perc = 0
total = 1
done = 0
id = 0
session_key = 'noot'
for i in data.iteritems():
if i[0] == 'total':
total = float(i[1])
if i[0] == 'done':
done = float(i[1])
if i[0] == 'id':
id = i[1]
if i[0] == 'session_key':
session_key = i[1]
return total,done,id,session_key
class Listener(threading.Thread):
def __init__(self, r, channels):
threading.Thread.__init__(self)
self.redis = r
self.pubsub = self.redis.pubsub()
self.pubsub.subscribe(channels)
def work(self, item):
try:
data = json.loads(item['data'])
total,done,id,session_key = getvalue(data)
perc = 100.*done/total
print perc, '%'
print session_key, id
except TypeError:
print "invalid data"
def run(self):
for item in self.pubsub.listen():
if item['data'] == "KILL":
self.pubsub.unsubscribe()
print self, "unsubscribed and finished"
break
else:
self.work(item)
def longtask(aantal,jobid=None,debug=False,
session_key=None):
counter = 0
# if jobid:
# if debug:
# job = celery_result.AsyncResult(jobid)
# else:
# job = Job.fetch(jobid,connection=redis_connection)
channel = 'tasks'
for i in range(aantal):
time.sleep(1)
counter += 1
if counter > 10:
counter = 0
if debug:
progress = 100.*i/aantal
print progress
if jobid != None:
redis_connection.publish(channel,json.dumps(
{
'done':i,
'total':aantal,
'id':jobid,
'session_key':session_key,
}
))
return 1