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import os
import time
from fib import slow_fib
from rq import Connection, Queue
def main():
# 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')
if __name__ == '__main__':
# Tell RQ what Redis connection to use
with Connection():
main()
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