import os
import time
from rq import Queue
from fib import slow_fib

# Tell RQ what Redis connection to use
from redis import Redis
from rq import conn
conn.push(Redis())

# Range of Fibonacci numbers to compute
fib_range = range(20, 34)

# Kick off the tasks asynchronously
async_results = {}
q = Queue()
for x in fib_range:
    async_results[x] = q.enqueue(slow_fib, x)

start_time = time.time()
done = False
while not done:
    os.system('clear')
    print 'Asynchronously: (now = %.2f)' % (time.time() - start_time)
    done = True
    for x in fib_range:
        result = async_results[x].return_value
        if result is None:
            done = False
            result = '(calculating)'
        print 'fib(%d) = %s' % (x, result)
    print ''
    print 'To start the actual in the background, run a worker:'
    print '    python examples/run_worker.py'
    time.sleep(0.2)

print 'Done'