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Diffstat (limited to 'trunk/qpid/python/examples/xml-exchange/xml_producer.py')
-rwxr-xr-x | trunk/qpid/python/examples/xml-exchange/xml_producer.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/trunk/qpid/python/examples/xml-exchange/xml_producer.py b/trunk/qpid/python/examples/xml-exchange/xml_producer.py new file mode 100755 index 0000000000..fa97cab4e1 --- /dev/null +++ b/trunk/qpid/python/examples/xml-exchange/xml_producer.py @@ -0,0 +1,92 @@ +#!/usr/bin/env python +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# +""" + xml_producer.py + + Publishes messages to an XML exchange, using + the routing key "weather" +""" + + +import qpid +import sys +import os +from qpid.util import connect +from qpid.connection import Connection +from qpid.datatypes import Message, RangedSet, uuid4 +from qpid.queue import Empty + +#----- Functions ---------------------------------------- + +# Data for weather reports + +station = ("Raleigh-Durham International Airport (KRDU)", + "New Bern, Craven County Regional Airport (KEWN)", + "Boone, Watauga County Hospital Heliport (KTNB)", + "Hatteras, Mitchell Field (KHSE)") +wind_speed_mph = ( 0, 2, 5, 10, 16, 22, 28, 35, 42, 51, 61, 70, 80 ) +temperature_f = ( 30, 40, 50, 60, 70, 80, 90, 100 ) +dewpoint = ( 35, 40, 45, 50 ) + +def pick_one(list, i): + return str( list [ i % len(list)] ) + +def report(i): + return "<weather>" + "<station>" + pick_one(station,i)+ "</station>" + "<wind_speed_mph>" + pick_one(wind_speed_mph,i) + "</wind_speed_mph>" + "<temperature_f>" + pick_one(temperature_f,i) + "</temperature_f>" + "<dewpoint>" + pick_one(dewpoint,i) + "</dewpoint>" + "</weather>" + + +#----- Initialization ----------------------------------- + +# Set parameters for login + +host="127.0.0.1" +port=5672 +user="guest" +password="guest" + +# If an alternate host or port has been specified, use that instead +# (this is used in our unit tests) +if len(sys.argv) > 1 : + host=sys.argv[1] +if len(sys.argv) > 2 : + port=int(sys.argv[2]) + +# Create a connection. +socket = connect(host, port) +connection = Connection (sock=socket, username=user, password=password) +connection.start() +session = connection.session(str(uuid4())) + +#----- Publish some messages ------------------------------ + +# Create some messages and put them on the broker. + +props = session.delivery_properties(routing_key="weather") + +for i in range(10): + print report(i) + session.message_transfer(destination="xml", message=Message(props, report(i))) + + +#----- Cleanup -------------------------------------------- + +# Clean up before exiting so there are no open threads. + +session.close() |