From Jonathan Robie:

https://issues.apache.org/jira/browse/QPID-1056: 

Python examples for the xml exchange.

https://issues.apache.org/jira/browse/QPID-1057

Fixes to the XmlExchange.cpp that prevent it from crashing the broker
when used with python clients that don't send application header
properties


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@656005 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 82 insertions, 0 deletions

diff --git a/python/examples/xml-exchange/declare_queues.py b/python/examples/xml-exchange/declare_queues.py
new file mode 100644
index 0000000000..d3bf4d359e
--- /dev/null
+++ b/python/examples/xml-exchange/declare_queues.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+"""
+ declare_queues.py 
+
+ Creates and binds a queue on an AMQP direct exchange.
+
+ All messages using the routing key "routing_key" are
+ sent to the queue named "message_queue".
+"""
+
+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
+
+#----- Initialization -----------------------------------
+
+
+#  Set parameters for login
+
+host="127.0.0.1"
+port=5672
+user="guest"
+password="guest"
+amqp_spec="/usr/share/amqp/amqp.0-10.xml"     
+
+# If an alternate host or port has been specified, use that instead
+# (this is used in our unit tests)
+#
+# If AMQP_SPEC is defined, use it to locate the spec file instead of
+# looking for it in the default location.
+
+if len(sys.argv) > 1 :
+  host=sys.argv[1]
+if len(sys.argv) > 2 :
+  port=int(sys.argv[2])
+
+try:
+     amqp_spec = os.environ["AMQP_SPEC"]
+except KeyError:
+     amqp_spec="/usr/share/amqp/amqp.0-10.xml"
+
+#  Create a connection.
+socket = connect(host, port)
+connection = Connection (sock=socket, spec=qpid.spec.load(amqp_spec))
+connection.start()
+session = connection.session(str(uuid4()))
+
+#----- Create a queue -------------------------------------
+
+# queue_declare() creates an AMQP queue, which is held
+# on the broker. Published messages are sent to the AMQP queue, 
+# from which messages are delivered to consumers. 
+# 
+# queue_bind() determines which messages are routed to a queue. 
+# Route all messages with the routing key "routing_key" to
+# the AMQP queue named "message_queue".
+
+session.exchange_declare(exchange="xml", type="xml")
+session.queue_declare(queue="message_queue")
+
+binding = {}
+binding["xquery"] = """
+   let $w := ./weather
+   return $w/station = 'Raleigh-Durham International Airport (KRDU)'
+      and $w/temperature_f > 50
+      and $w/temperature_f - $w/dewpoint > 5
+      and $w/wind_speed_mph > 7
+      and $w/wind_speed_mph < 20 """
+                      
+
+session.exchange_bind(exchange="xml", queue="message_queue", binding_key="weather", arguments=binding)
+
+
+#----- Cleanup ---------------------------------------------
+
+session.close()
+
+