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from __future__ import print_function
import os
import socket
import sys
from math import sqrt
import Pyro4
import Pyro4.socketutil
if sys.version_info < (3, 0):
range = xrange # make sure to use the memory efficient range generator
class Worker(object):
@Pyro4.expose
def factorize(self, n):
print("factorize request received for", n)
result = self._factorize(n)
print(" -->", result)
return result
def _factorize(self, n):
"""simple algorithm to find the prime factorials of the given number n"""
def isPrime(n):
return not any(x for x in range(2, int(sqrt(n)) + 1) if n % x == 0)
primes = []
candidates = range(2, n + 1)
candidate = 2
while not primes and candidate in candidates:
if n % candidate == 0 and isPrime(candidate):
primes = primes + [candidate] + self._factorize(n // candidate)
candidate += 1
return primes
with Pyro4.Daemon(host=Pyro4.socketutil.getIpAddress(None)) as daemon:
# create a unique name for this worker (otherwise it overwrites other workers in the name server)
worker_name = "Worker_%d@%s" % (os.getpid(), socket.gethostname())
print("Starting up worker", worker_name)
uri = daemon.register(Worker)
with Pyro4.locateNS() as ns:
ns.register(worker_name, uri, metadata={"example3.worker.factorizer"})
daemon.requestLoop()
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