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authorMicah Anderson <micah@riseup.net>2014-11-11 11:52:45 -0500
committerMicah Anderson <micah@riseup.net>2014-11-11 11:52:45 -0500
commit44be832c5708baadd146cb954befbc3dcad8d463 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /examples/pubsub/topics_pub.py
parent76755110103988258ec37afbb4c022f7ac3ddf54 (diff)
prepare for upgrade to new upstream
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diff --git a/examples/pubsub/topics_pub.py b/examples/pubsub/topics_pub.py
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-#!/usr/bin/env python
-"""Simple example of publish/subscribe illustrating topics.
-
-Publisher and subscriber can be started in any order, though if publisher
-starts first, any messages sent before subscriber starts are lost. More than
-one subscriber can listen, and they can listen to different topics.
-
-Topic filtering is done simply on the start of the string, e.g. listening to
-'s' will catch 'sports...' and 'stocks' while listening to 'w' is enough to
-catch 'weather'.
-"""
-
-#-----------------------------------------------------------------------------
-# Copyright (c) 2010 Brian Granger
-#
-# Distributed under the terms of the New BSD License. The full license is in
-# the file COPYING.BSD, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-import itertools
-import sys
-import time
-
-import zmq
-
-def main():
- if len (sys.argv) != 2:
- print 'usage: publisher <bind-to>'
- sys.exit (1)
-
- bind_to = sys.argv[1]
-
- all_topics = ['sports.general','sports.football','sports.basketball',
- 'stocks.general','stocks.GOOG','stocks.AAPL',
- 'weather']
-
- ctx = zmq.Context()
- s = ctx.socket(zmq.PUB)
- s.bind(bind_to)
-
- print "Starting broadcast on topics:"
- print " %s" % all_topics
- print "Hit Ctrl-C to stop broadcasting."
- print "Waiting so subscriber sockets can connect..."
- print
- time.sleep(1.0)
-
- msg_counter = itertools.count()
- try:
- for topic in itertools.cycle(all_topics):
- msg_body = str(msg_counter.next())
- print ' Topic: %s, msg:%s' % (topic, msg_body)
- s.send_multipart([topic, msg_body])
- # short wait so we don't hog the cpu
- time.sleep(0.1)
- except KeyboardInterrupt:
- pass
-
- print "Waiting for message queues to flush..."
- time.sleep(0.5)
- print "Done."
-
-if __name__ == "__main__":
- main()