/usr/share/proton-0.10/examples/python/reactor/hello-world.py is in libqpid-proton2-dev-examples 0.10-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #!/usr/bin/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.
#
from __future__ import print_function
from proton.reactor import Reactor
# The proton reactor provides a general purpose event processing
# library for writing reactive programs. A reactive program is defined
# by a set of event handlers. An event handler is just any class or
# object that defines the "on_<event>" methods that it cares to
# handle.
class Program:
# The reactor init event is produced by the reactor itself when it
# starts.
def on_reactor_init(self, event):
print("Hello, World!")
# When you construct a reactor, you give it a handler.
r = Reactor(Program())
# When you call run, the reactor will process events. The reactor init
# event is what kicks off everything else. When the reactor has no
# more events to process, it exits.
r.run()
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