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from twisted.internet import reactor, defer
from twisted.internet.protocol import ClientCreator
from twisted.protocols import amp
from ampserver import Sum, Divide
def doMath():
d1 = ClientCreator(reactor, amp.AMP).connectTCP(
'127.0.0.1', 1234).addCallback(
lambda p: p.callRemote(Sum, a=13, b=81)).addCallback(
lambda result: result['total'])
def trapZero(result):
result.trap(ZeroDivisionError)
print "Divided by zero: returning INF"
return 1e1000
d2 = ClientCreator(reactor, amp.AMP).connectTCP(
'127.0.0.1', 1234).addCallback(
lambda p: p.callRemote(Divide, numerator=1234,
denominator=0)).addErrback(trapZero)
def done(result):
print 'Done with math:', result
defer.DeferredList([d1, d2]).addCallback(done)
if __name__ == '__main__':
doMath()
reactor.run()
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