Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,36 @@
+#!/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.
+#
+
+from __future__ import print_function
+from proton_server import Server
+
+class Application(Server):
+ def __init__(self, host, address):
+ super(Application, self).__init__(host, address)
+
+ def on_request(self, request, reply_to):
+ response = request.upper()
+ self.send(response, reply_to)
+ print("Request from: %s" % reply_to)
+
+try:
+ Application("localhost:5672", "examples").run()
+except KeyboardInterrupt: pass
+
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py
------------------------------------------------------------------------------
svn:executable = *
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py.html.in
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py.html.in?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py.html.in
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/abstract_server.py.html.in
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,20 @@
+
+<h1>abstract_server.py</h1>
+<div class="highlight"><pre><span class="kn">from</span> <span
class="nn">__future__</span> <span class="kn">import</span> <span
class="n">print_function</span>
+<span class="kn">from</span> <span class="nn">proton_server</span> <span
class="kn">import</span> <span class="n">Server</span>
+
+<span class="k">class</span> <span class="nc">Application</span><span
class="p">(</span><span class="n">Server</span><span class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">host</span><span class="p">,</span> <span
class="n">address</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span
class="n">Application</span><span class="p">,</span> <span
class="bp">self</span><span class="p">)</span><span class="o">.</span><span
class="n">__init__</span><span class="p">(</span><span
class="n">host</span><span class="p">,</span> <span
class="n">address</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_request</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">request</span><span class="p">,</span> <span
class="n">reply_to</span><span class="p">):</span>
+ <span class="n">response</span> <span class="o">=</span> <span
class="n">request</span><span class="o">.</span><span
class="n">upper</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">send</span><span class="p">(</span><span
class="n">response</span><span class="p">,</span> <span
class="n">reply_to</span><span class="p">)</span>
+ <span class="k">print</span><span class="p">(</span><span
class="s">"Request from: </span><span class="si">%s</span><span
class="s">"</span> <span class="o">%</span> <span
class="n">reply_to</span><span class="p">)</span>
+
+<span class="k">try</span><span class="p">:</span>
+ <span class="n">Application</span><span class="p">(</span><span
class="s">"localhost:5672"</span><span class="p">,</span> <span
class="s">"examples"</span><span class="p">)</span><span
class="o">.</span><span class="n">run</span><span class="p">()</span>
+<span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span
class="p">:</span> <span class="k">pass</span>
+</pre></div>
+
+<p><a href="abstract_server.py">Download this file</a></p>
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,124 @@
+#!/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.
+#
+
+import collections, optparse
+from proton import Endpoint, generate_uuid
+from proton.handlers import MessagingHandler
+from proton.reactor import Container
+
+class Queue(object):
+ def __init__(self, dynamic=False):
+ self.dynamic = dynamic
+ self.queue = collections.deque()
+ self.consumers = []
+
+ def subscribe(self, consumer):
+ self.consumers.append(consumer)
+
+ def unsubscribe(self, consumer):
+ if consumer in self.consumers:
+ self.consumers.remove(consumer)
+ return len(self.consumers) == 0 and (self.dynamic or self.queue.count
== 0)
+
+ def publish(self, message):
+ self.queue.append(message)
+ self.dispatch()
+
+ def dispatch(self, consumer=None):
+ if consumer:
+ c = [consumer]
+ else:
+ c = self.consumers
+ while self._deliver_to(c): pass
+
+ def _deliver_to(self, consumers):
+ try:
+ result = False
+ for c in consumers:
+ if c.credit:
+ c.send(self.queue.popleft())
+ result = True
+ return result
+ except IndexError: # no more messages
+ return False
+
+class Broker(MessagingHandler):
+ def __init__(self, url):
+ super(Broker, self).__init__()
+ self.url = url
+ self.queues = {}
+
+ def on_start(self, event):
+ self.acceptor = event.container.listen(self.url)
+
+ def _queue(self, address):
+ if address not in self.queues:
+ self.queues[address] = Queue()
+ return self.queues[address]
+
+ def on_link_opening(self, event):
+ if event.link.is_sender:
+ if event.link.remote_source.dynamic:
+ address = str(generate_uuid())
+ event.link.source.address = address
+ q = Queue(True)
+ self.queues[address] = q
+ q.subscribe(event.link)
+ elif event.link.remote_source.address:
+ event.link.source.address = event.link.remote_source.address
+ self._queue(event.link.source.address).subscribe(event.link)
+ elif event.link.remote_target.address:
+ event.link.target.address = event.link.remote_target.address
+
+ def _unsubscribe(self, link):
+ if link.source.address in self.queues and
self.queues[link.source.address].unsubscribe(link):
+ del self.queues[link.source.address]
+
+ def on_link_closing(self, event):
+ if event.link.is_sender:
+ self._unsubscribe(event.link)
+
+ def on_connection_closing(self, event):
+ self.remove_stale_consumers(event.connection)
+
+ def on_disconnected(self, event):
+ self.remove_stale_consumers(event.connection)
+
+ def remove_stale_consumers(self, connection):
+ l = connection.link_head(Endpoint.REMOTE_ACTIVE)
+ while l:
+ if l.is_sender:
+ self._unsubscribe(l)
+ l = l.next(Endpoint.REMOTE_ACTIVE)
+
+ def on_sendable(self, event):
+ self._queue(event.link.source.address).dispatch(event.link)
+
+ def on_message(self, event):
+ self._queue(event.link.target.address).publish(event.message)
+
+parser = optparse.OptionParser(usage="usage: %prog [options]")
+parser.add_option("-a", "--address", default="localhost:5672",
+ help="address router listens on (default %default)")
+opts, args = parser.parse_args()
+
+try:
+ Container(Broker(opts.address)).run()
+except KeyboardInterrupt: pass
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py
------------------------------------------------------------------------------
svn:executable = *
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py.html.in
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py.html.in?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py.html.in
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/broker.py.html.in
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,109 @@
+
+<h1>broker.py</h1>
+<div class="highlight"><pre><span class="kn">import</span> <span
class="nn">collections</span><span class="o">,</span> <span
class="nn">optparse</span>
+<span class="kn">from</span> <span class="nn">proton</span> <span
class="kn">import</span> <span class="n">Endpoint</span><span
class="p">,</span> <span class="n">generate_uuid</span>
+<span class="kn">from</span> <span class="nn">proton.handlers</span> <span
class="kn">import</span> <span class="n">MessagingHandler</span>
+<span class="kn">from</span> <span class="nn">proton.reactor</span> <span
class="kn">import</span> <span class="n">Container</span>
+
+<span class="k">class</span> <span class="nc">Queue</span><span
class="p">(</span><span class="nb">object</span><span class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">dynamic</span><span class="o">=</span><span
class="bp">False</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">dynamic</span> <span class="o">=</span> <span class="n">dynamic</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">queue</span> <span class="o">=</span> <span
class="n">collections</span><span class="o">.</span><span
class="n">deque</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">consumers</span> <span class="o">=</span> <span class="p">[]</span>
+
+ <span class="k">def</span> <span class="nf">subscribe</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">consumer</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">consumers</span><span class="o">.</span><span
class="n">append</span><span class="p">(</span><span
class="n">consumer</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">unsubscribe</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">consumer</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">consumer</span> <span
class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span
class="n">consumers</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">consumers</span><span class="o">.</span><span
class="n">remove</span><span class="p">(</span><span
class="n">consumer</span><span class="p">)</span>
+ <span class="k">return</span> <span class="nb">len</span><span
class="p">(</span><span class="bp">self</span><span class="o">.</span><span
class="n">consumers</span><span class="p">)</span> <span class="o">==</span>
<span class="mi">0</span> <span class="ow">and</span> <span
class="p">(</span><span class="bp">self</span><span class="o">.</span><span
class="n">dynamic</span> <span class="ow">or</span> <span
class="bp">self</span><span class="o">.</span><span class="n">queue</span><span
class="o">.</span><span class="n">count</span> <span class="o">==</span> <span
class="mi">0</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">publish</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">message</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">queue</span><span class="o">.</span><span
class="n">append</span><span class="p">(</span><span
class="n">message</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">dispatch</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">dispatch</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">consumer</span><span class="o">=</span><span
class="bp">None</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">consumer</span><span
class="p">:</span>
+ <span class="n">c</span> <span class="o">=</span> <span
class="p">[</span><span class="n">consumer</span><span class="p">]</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">c</span> <span class="o">=</span> <span
class="bp">self</span><span class="o">.</span><span class="n">consumers</span>
+ <span class="k">while</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_deliver_to</span><span
class="p">(</span><span class="n">c</span><span class="p">):</span> <span
class="k">pass</span>
+
+ <span class="k">def</span> <span class="nf">_deliver_to</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">consumers</span><span class="p">):</span>
+ <span class="k">try</span><span class="p">:</span>
+ <span class="n">result</span> <span class="o">=</span> <span
class="bp">False</span>
+ <span class="k">for</span> <span class="n">c</span> <span
class="ow">in</span> <span class="n">consumers</span><span class="p">:</span>
+ <span class="k">if</span> <span class="n">c</span><span
class="o">.</span><span class="n">credit</span><span class="p">:</span>
+ <span class="n">c</span><span class="o">.</span><span
class="n">send</span><span class="p">(</span><span class="bp">self</span><span
class="o">.</span><span class="n">queue</span><span class="o">.</span><span
class="n">popleft</span><span class="p">())</span>
+ <span class="n">result</span> <span class="o">=</span>
<span class="bp">True</span>
+ <span class="k">return</span> <span class="n">result</span>
+ <span class="k">except</span> <span class="ne">IndexError</span><span
class="p">:</span> <span class="c"># no more messages</span>
+ <span class="k">return</span> <span class="bp">False</span>
+
+<span class="k">class</span> <span class="nc">Broker</span><span
class="p">(</span><span class="n">MessagingHandler</span><span
class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">url</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span
class="n">Broker</span><span class="p">,</span> <span
class="bp">self</span><span class="p">)</span><span class="o">.</span><span
class="n">__init__</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">url</span> <span class="o">=</span> <span class="n">url</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">queues</span> <span class="o">=</span> <span class="p">{}</span>
+
+ <span class="k">def</span> <span class="nf">on_start</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">acceptor</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">listen</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span class="n">url</span><span
class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_queue</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">address</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">address</span> <span
class="ow">not</span> <span class="ow">in</span> <span
class="bp">self</span><span class="o">.</span><span
class="n">queues</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">queues</span><span class="p">[</span><span
class="n">address</span><span class="p">]</span> <span class="o">=</span> <span
class="n">Queue</span><span class="p">()</span>
+ <span class="k">return</span> <span class="bp">self</span><span
class="o">.</span><span class="n">queues</span><span class="p">[</span><span
class="n">address</span><span class="p">]</span>
+
+ <span class="k">def</span> <span class="nf">on_link_opening</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="o">.</span><span class="n">link</span><span class="o">.</span><span
class="n">is_sender</span><span class="p">:</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="o">.</span><span class="n">link</span><span class="o">.</span><span
class="n">remote_source</span><span class="o">.</span><span
class="n">dynamic</span><span class="p">:</span>
+ <span class="n">address</span> <span class="o">=</span> <span
class="nb">str</span><span class="p">(</span><span
class="n">generate_uuid</span><span class="p">())</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">link</span><span class="o">.</span><span class="n">source</span><span
class="o">.</span><span class="n">address</span> <span class="o">=</span> <span
class="n">address</span>
+ <span class="n">q</span> <span class="o">=</span> <span
class="n">Queue</span><span class="p">(</span><span class="bp">True</span><span
class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">queues</span><span class="p">[</span><span
class="n">address</span><span class="p">]</span> <span class="o">=</span> <span
class="n">q</span>
+ <span class="n">q</span><span class="o">.</span><span
class="n">subscribe</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="p">)</span>
+ <span class="k">elif</span> <span class="n">event</span><span
class="o">.</span><span class="n">link</span><span class="o">.</span><span
class="n">remote_source</span><span class="o">.</span><span
class="n">address</span><span class="p">:</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">link</span><span class="o">.</span><span class="n">source</span><span
class="o">.</span><span class="n">address</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">remote_source</span><span
class="o">.</span><span class="n">address</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_queue</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">source</span><span class="o">.</span><span
class="n">address</span><span class="p">)</span><span class="o">.</span><span
class="n">subscribe</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="p">)</span>
+ <span class="k">elif</span> <span class="n">event</span><span
class="o">.</span><span class="n">link</span><span class="o">.</span><span
class="n">remote_target</span><span class="o">.</span><span
class="n">address</span><span class="p">:</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">link</span><span class="o">.</span><span class="n">target</span><span
class="o">.</span><span class="n">address</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">remote_target</span><span
class="o">.</span><span class="n">address</span>
+
+ <span class="k">def</span> <span class="nf">_unsubscribe</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">link</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">link</span><span
class="o">.</span><span class="n">source</span><span class="o">.</span><span
class="n">address</span> <span class="ow">in</span> <span
class="bp">self</span><span class="o">.</span><span class="n">queues</span>
<span class="ow">and</span> <span class="bp">self</span><span
class="o">.</span><span class="n">queues</span><span class="p">[</span><span
class="n">link</span><span class="o">.</span><span class="n">source</span><span
class="o">.</span><span class="n">address</span><span class="p">]</span><span
class="o">.</span><span class="n">unsubscribe</span><span
class="p">(</span><span class="n">link</span><span class="p">):</span>
+ <span class="k">del</span> <span class="bp">self</span><span
class="o">.</span><span class="n">queues</span><span class="p">[</span><span
class="n">link</span><span class="o">.</span><span class="n">source</span><span
class="o">.</span><span class="n">address</span><span class="p">]</span>
+
+ <span class="k">def</span> <span class="nf">on_link_closing</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="o">.</span><span class="n">link</span><span class="o">.</span><span
class="n">is_sender</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_unsubscribe</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="p">)</span>
+
+ <span class="k">def</span> <span
class="nf">on_connection_closing</span><span class="p">(</span><span
class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">remove_stale_consumers</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span
class="n">connection</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_disconnected</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">remove_stale_consumers</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span
class="n">connection</span><span class="p">)</span>
+
+ <span class="k">def</span> <span
class="nf">remove_stale_consumers</span><span class="p">(</span><span
class="bp">self</span><span class="p">,</span> <span
class="n">connection</span><span class="p">):</span>
+ <span class="n">l</span> <span class="o">=</span> <span
class="n">connection</span><span class="o">.</span><span
class="n">link_head</span><span class="p">(</span><span
class="n">Endpoint</span><span class="o">.</span><span
class="n">REMOTE_ACTIVE</span><span class="p">)</span>
+ <span class="k">while</span> <span class="n">l</span><span
class="p">:</span>
+ <span class="k">if</span> <span class="n">l</span><span
class="o">.</span><span class="n">is_sender</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_unsubscribe</span><span class="p">(</span><span
class="n">l</span><span class="p">)</span>
+ <span class="n">l</span> <span class="o">=</span> <span
class="n">l</span><span class="o">.</span><span class="n">next</span><span
class="p">(</span><span class="n">Endpoint</span><span class="o">.</span><span
class="n">REMOTE_ACTIVE</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_sendable</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_queue</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">source</span><span class="o">.</span><span
class="n">address</span><span class="p">)</span><span class="o">.</span><span
class="n">dispatch</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_message</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_queue</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">target</span><span class="o">.</span><span
class="n">address</span><span class="p">)</span><span class="o">.</span><span
class="n">publish</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span
class="n">message</span><span class="p">)</span>
+
+<span class="n">parser</span> <span class="o">=</span> <span
class="n">optparse</span><span class="o">.</span><span
class="n">OptionParser</span><span class="p">(</span><span
class="n">usage</span><span class="o">=</span><span class="s">"usage:
%prog [options]"</span><span class="p">)</span>
+<span class="n">parser</span><span class="o">.</span><span
class="n">add_option</span><span class="p">(</span><span
class="s">"-a"</span><span class="p">,</span> <span
class="s">"--address"</span><span class="p">,</span> <span
class="n">default</span><span class="o">=</span><span
class="s">"localhost:5672"</span><span class="p">,</span>
+ <span class="n">help</span><span class="o">=</span><span
class="s">"address router listens on (default </span><span
class="si">%d</span><span class="s">efault)"</span><span class="p">)</span>
+<span class="n">opts</span><span class="p">,</span> <span
class="n">args</span> <span class="o">=</span> <span
class="n">parser</span><span class="o">.</span><span
class="n">parse_args</span><span class="p">()</span>
+
+<span class="k">try</span><span class="p">:</span>
+ <span class="n">Container</span><span class="p">(</span><span
class="n">Broker</span><span class="p">(</span><span class="n">opts</span><span
class="o">.</span><span class="n">address</span><span class="p">))</span><span
class="o">.</span><span class="n">run</span><span class="p">()</span>
+<span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span
class="p">:</span> <span class="k">pass</span>
+</pre></div>
+
+<p><a href="broker.py">Download this file</a></p>
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,65 @@
+#!/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.
+#
+
+from __future__ import print_function, unicode_literals
+import optparse
+from proton import Message
+from proton.handlers import MessagingHandler
+from proton.reactor import Container, DynamicNodeProperties
+
+class Client(MessagingHandler):
+ def __init__(self, url, requests):
+ super(Client, self).__init__()
+ self.url = url
+ self.requests = requests
+
+ def on_start(self, event):
+ self.sender = event.container.create_sender(self.url)
+ self.receiver =
event.container.create_receiver(self.sender.connection, None, dynamic=True)
+
+ def next_request(self):
+ if self.receiver.remote_source.address:
+ req = Message(reply_to=self.receiver.remote_source.address,
body=self.requests[0])
+ self.sender.send(req)
+
+ def on_link_opened(self, event):
+ if event.receiver == self.receiver:
+ self.next_request()
+
+ def on_message(self, event):
+ print("%s => %s" % (self.requests.pop(0), event.message.body))
+ if self.requests:
+ self.next_request()
+ else:
+ event.connection.close()
+
+REQUESTS= ["Twas brillig, and the slithy toves",
+ "Did gire and gymble in the wabe.",
+ "All mimsy were the borogroves,",
+ "And the mome raths outgrabe."]
+
+parser = optparse.OptionParser(usage="usage: %prog [options]",
+ description="Send requests to the supplied
address and print responses.")
+parser.add_option("-a", "--address", default="localhost:5672/examples",
+ help="address to which messages are sent (default %default)")
+opts, args = parser.parse_args()
+
+Container(Client(opts.address, args or REQUESTS)).run()
+
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py
------------------------------------------------------------------------------
svn:executable = *
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py.html.in
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py.html.in?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py.html.in
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client.py.html.in
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,49 @@
+
+<h1>client.py</h1>
+<div class="highlight"><pre><span class="kn">from</span> <span
class="nn">__future__</span> <span class="kn">import</span> <span
class="n">print_function</span><span class="p">,</span> <span
class="n">unicode_literals</span>
+<span class="kn">import</span> <span class="nn">optparse</span>
+<span class="kn">from</span> <span class="nn">proton</span> <span
class="kn">import</span> <span class="n">Message</span>
+<span class="kn">from</span> <span class="nn">proton.handlers</span> <span
class="kn">import</span> <span class="n">MessagingHandler</span>
+<span class="kn">from</span> <span class="nn">proton.reactor</span> <span
class="kn">import</span> <span class="n">Container</span><span
class="p">,</span> <span class="n">DynamicNodeProperties</span>
+
+<span class="k">class</span> <span class="nc">Client</span><span
class="p">(</span><span class="n">MessagingHandler</span><span
class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">url</span><span class="p">,</span> <span
class="n">requests</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span
class="n">Client</span><span class="p">,</span> <span
class="bp">self</span><span class="p">)</span><span class="o">.</span><span
class="n">__init__</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">url</span> <span class="o">=</span> <span class="n">url</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">requests</span> <span class="o">=</span> <span
class="n">requests</span>
+
+ <span class="k">def</span> <span class="nf">on_start</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sender</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">create_sender</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span class="n">url</span><span
class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">receiver</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">create_receiver</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span
class="n">sender</span><span class="o">.</span><span
class="n">connection</span><span class="p">,</span> <span
class="bp">None</span><span class="p">,</span> <span
class="n">dynamic</span><span class="o">=</span><span
class="bp">True</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">next_request</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span
class="o">.</span><span class="n">receiver</span><span class="o">.</span><span
class="n">remote_source</span><span class="o">.</span><span
class="n">address</span><span class="p">:</span>
+ <span class="n">req</span> <span class="o">=</span> <span
class="n">Message</span><span class="p">(</span><span
class="n">reply_to</span><span class="o">=</span><span
class="bp">self</span><span class="o">.</span><span
class="n">receiver</span><span class="o">.</span><span
class="n">remote_source</span><span class="o">.</span><span
class="n">address</span><span class="p">,</span> <span
class="n">body</span><span class="o">=</span><span class="bp">self</span><span
class="o">.</span><span class="n">requests</span><span class="p">[</span><span
class="mi">0</span><span class="p">])</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sender</span><span class="o">.</span><span class="n">send</span><span
class="p">(</span><span class="n">req</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_link_opened</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="o">.</span><span class="n">receiver</span> <span class="o">==</span>
<span class="bp">self</span><span class="o">.</span><span
class="n">receiver</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">next_request</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">on_message</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">print</span><span class="p">(</span><span
class="s">"</span><span class="si">%s</span><span class="s"> =>
</span><span class="si">%s</span><span class="s">"</span> <span
class="o">%</span> <span class="p">(</span><span class="bp">self</span><span
class="o">.</span><span class="n">requests</span><span class="o">.</span><span
class="n">pop</span><span class="p">(</span><span class="mi">0</span><span
class="p">),</span> <span class="n">event</span><span class="o">.</span><span
class="n">message</span><span class="o">.</span><span
class="n">body</span><span class="p">))</span>
+ <span class="k">if</span> <span class="bp">self</span><span
class="o">.</span><span class="n">requests</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">next_request</span><span class="p">()</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">connection</span><span class="o">.</span><span
class="n">close</span><span class="p">()</span>
+
+<span class="n">REQUESTS</span><span class="o">=</span> <span
class="p">[</span><span class="s">"Twas brillig, and the slithy
toves"</span><span class="p">,</span>
+ <span class="s">"Did gire and gymble in the
wabe."</span><span class="p">,</span>
+ <span class="s">"All mimsy were the
borogroves,"</span><span class="p">,</span>
+ <span class="s">"And the mome raths
outgrabe."</span><span class="p">]</span>
+
+<span class="n">parser</span> <span class="o">=</span> <span
class="n">optparse</span><span class="o">.</span><span
class="n">OptionParser</span><span class="p">(</span><span
class="n">usage</span><span class="o">=</span><span class="s">"usage:
%prog [options]"</span><span class="p">,</span>
+ <span class="n">description</span><span
class="o">=</span><span class="s">"Send requests to the supplied address
and print responses."</span><span class="p">)</span>
+<span class="n">parser</span><span class="o">.</span><span
class="n">add_option</span><span class="p">(</span><span
class="s">"-a"</span><span class="p">,</span> <span
class="s">"--address"</span><span class="p">,</span> <span
class="n">default</span><span class="o">=</span><span
class="s">"localhost:5672/examples"</span><span class="p">,</span>
+ <span class="n">help</span><span class="o">=</span><span
class="s">"address to which messages are sent (default </span><span
class="si">%d</span><span class="s">efault)"</span><span class="p">)</span>
+<span class="n">opts</span><span class="p">,</span> <span
class="n">args</span> <span class="o">=</span> <span
class="n">parser</span><span class="o">.</span><span
class="n">parse_args</span><span class="p">()</span>
+
+<span class="n">Container</span><span class="p">(</span><span
class="n">Client</span><span class="p">(</span><span class="n">opts</span><span
class="o">.</span><span class="n">address</span><span class="p">,</span> <span
class="n">args</span> <span class="ow">or</span> <span
class="n">REQUESTS</span><span class="p">))</span><span class="o">.</span><span
class="n">run</span><span class="p">()</span>
+</pre></div>
+
+<p><a href="client.py">Download this file</a></p>
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,114 @@
+#!/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.
+#
+
+from __future__ import print_function
+import tornado.ioloop
+import tornado.web
+from proton import Message
+from proton.handlers import MessagingHandler
+from proton_tornado import Container
+
+class Client(MessagingHandler):
+ def __init__(self, host, address):
+ super(Client, self).__init__()
+ self.host = host
+ self.address = address
+ self.sent = []
+ self.pending = []
+ self.reply_address = None
+ self.sender = None
+ self.receiver = None
+
+ def on_start(self, event):
+ conn = event.container.connect(self.host)
+ self.sender = event.container.create_sender(conn, self.address)
+ self.receiver = event.container.create_receiver(conn, None,
dynamic=True)
+
+ def on_link_opened(self, event):
+ if event.receiver == self.receiver:
+ self.reply_address = event.link.remote_source.address
+ self.do_request()
+
+ def on_sendable(self, event):
+ self.do_request()
+
+ def on_message(self, event):
+ if self.sent:
+ request, handler = self.sent.pop(0)
+ print("%s => %s" % (request, event.message.body))
+ handler(event.message.body)
+ self.do_request()
+
+ def do_request(self):
+ if self.pending and self.reply_address and self.sender.credit:
+ request, handler = self.pending.pop(0)
+ self.sent.append((request, handler))
+ req = Message(reply_to=self.reply_address, body=request)
+ self.sender.send(req)
+
+ def request(self, body, handler):
+ self.pending.append((body, handler))
+ self.do_request()
+ self.container.touch()
+
+class ExampleHandler(tornado.web.RequestHandler):
+ def initialize(self, client):
+ self.client = client
+
+ def get(self):
+ self._write_open()
+ self._write_form()
+ self._write_close()
+
+ @tornado.web.asynchronous
+ def post(self):
+ client.request(self.get_body_argument("message"), lambda x:
self.on_response(x))
+
+ def on_response(self, body):
+ self.set_header("Content-Type", "text/html")
+ self._write_open()
+ self._write_form()
+ self.write("Response: " + body)
+ self._write_close()
+ self.finish()
+
+ def _write_open(self):
+ self.write('<html><body>')
+
+ def _write_close(self):
+ self.write('</body></html>')
+
+ def _write_form(self):
+ self.write('<form action="/client" method="POST">'
+ 'Request: <input type="text" name="message">'
+ '<input type="submit" value="Submit">'
+ '</form>')
+
+
+loop = tornado.ioloop.IOLoop.instance()
+client = Client("localhost:5672", "examples")
+client.container = Container(client, loop=loop)
+client.container.initialise()
+app = tornado.web.Application([tornado.web.url(r"/client", ExampleHandler,
dict(client=client))])
+app.listen(8888)
+try:
+ loop.start()
+except KeyboardInterrupt:
+ loop.stop()
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py
------------------------------------------------------------------------------
svn:executable = *
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py.html.in
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py.html.in?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py.html.in
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/client_http.py.html.in
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,99 @@
+
+<h1>client_http.py</h1>
+<div class="highlight"><pre><span class="kn">from</span> <span
class="nn">__future__</span> <span class="kn">import</span> <span
class="n">print_function</span>
+<span class="kn">import</span> <span class="nn">tornado.ioloop</span>
+<span class="kn">import</span> <span class="nn">tornado.web</span>
+<span class="kn">from</span> <span class="nn">proton</span> <span
class="kn">import</span> <span class="n">Message</span>
+<span class="kn">from</span> <span class="nn">proton.handlers</span> <span
class="kn">import</span> <span class="n">MessagingHandler</span>
+<span class="kn">from</span> <span class="nn">proton_tornado</span> <span
class="kn">import</span> <span class="n">Container</span>
+
+<span class="k">class</span> <span class="nc">Client</span><span
class="p">(</span><span class="n">MessagingHandler</span><span
class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">host</span><span class="p">,</span> <span
class="n">address</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span
class="n">Client</span><span class="p">,</span> <span
class="bp">self</span><span class="p">)</span><span class="o">.</span><span
class="n">__init__</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">host</span> <span class="o">=</span> <span class="n">host</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">address</span> <span class="o">=</span> <span class="n">address</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sent</span> <span class="o">=</span> <span class="p">[]</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending</span> <span class="o">=</span> <span class="p">[]</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">reply_address</span> <span class="o">=</span> <span
class="bp">None</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sender</span> <span class="o">=</span> <span class="bp">None</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">receiver</span> <span class="o">=</span> <span class="bp">None</span>
+
+ <span class="k">def</span> <span class="nf">on_start</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="n">conn</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">connect</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span class="n">host</span><span
class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sender</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">create_sender</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span class="bp">self</span><span
class="o">.</span><span class="n">address</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">receiver</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">create_receiver</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span class="bp">None</span><span
class="p">,</span> <span class="n">dynamic</span><span class="o">=</span><span
class="bp">True</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_link_opened</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="o">.</span><span class="n">receiver</span> <span class="o">==</span>
<span class="bp">self</span><span class="o">.</span><span
class="n">receiver</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">reply_address</span> <span class="o">=</span> <span
class="n">event</span><span class="o">.</span><span class="n">link</span><span
class="o">.</span><span class="n">remote_source</span><span
class="o">.</span><span class="n">address</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">do_request</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">on_sendable</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">do_request</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">on_message</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span
class="o">.</span><span class="n">sent</span><span class="p">:</span>
+ <span class="n">request</span><span class="p">,</span> <span
class="n">handler</span> <span class="o">=</span> <span
class="bp">self</span><span class="o">.</span><span class="n">sent</span><span
class="o">.</span><span class="n">pop</span><span class="p">(</span><span
class="mi">0</span><span class="p">)</span>
+ <span class="k">print</span><span class="p">(</span><span
class="s">"</span><span class="si">%s</span><span class="s"> =>
</span><span class="si">%s</span><span class="s">"</span> <span
class="o">%</span> <span class="p">(</span><span class="n">request</span><span
class="p">,</span> <span class="n">event</span><span class="o">.</span><span
class="n">message</span><span class="o">.</span><span
class="n">body</span><span class="p">))</span>
+ <span class="n">handler</span><span class="p">(</span><span
class="n">event</span><span class="o">.</span><span
class="n">message</span><span class="o">.</span><span
class="n">body</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">do_request</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">do_request</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span
class="o">.</span><span class="n">pending</span> <span class="ow">and</span>
<span class="bp">self</span><span class="o">.</span><span
class="n">reply_address</span> <span class="ow">and</span> <span
class="bp">self</span><span class="o">.</span><span
class="n">sender</span><span class="o">.</span><span
class="n">credit</span><span class="p">:</span>
+ <span class="n">request</span><span class="p">,</span> <span
class="n">handler</span> <span class="o">=</span> <span
class="bp">self</span><span class="o">.</span><span
class="n">pending</span><span class="o">.</span><span class="n">pop</span><span
class="p">(</span><span class="mi">0</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sent</span><span class="o">.</span><span class="n">append</span><span
class="p">((</span><span class="n">request</span><span class="p">,</span> <span
class="n">handler</span><span class="p">))</span>
+ <span class="n">req</span> <span class="o">=</span> <span
class="n">Message</span><span class="p">(</span><span
class="n">reply_to</span><span class="o">=</span><span
class="bp">self</span><span class="o">.</span><span
class="n">reply_address</span><span class="p">,</span> <span
class="n">body</span><span class="o">=</span><span
class="n">request</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">sender</span><span class="o">.</span><span class="n">send</span><span
class="p">(</span><span class="n">req</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">request</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">body</span><span class="p">,</span> <span
class="n">handler</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending</span><span class="o">.</span><span
class="n">append</span><span class="p">((</span><span
class="n">body</span><span class="p">,</span> <span
class="n">handler</span><span class="p">))</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">do_request</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">touch</span><span class="p">()</span>
+
+<span class="k">class</span> <span class="nc">ExampleHandler</span><span
class="p">(</span><span class="n">tornado</span><span class="o">.</span><span
class="n">web</span><span class="o">.</span><span
class="n">RequestHandler</span><span class="p">):</span>
+ <span class="k">def</span> <span class="nf">initialize</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">client</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">client</span> <span class="o">=</span> <span class="n">client</span>
+
+ <span class="k">def</span> <span class="nf">get</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_open</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_form</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_close</span><span class="p">()</span>
+
+ <span class="nd">@tornado.web.asynchronous</span>
+ <span class="k">def</span> <span class="nf">post</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="n">client</span><span class="o">.</span><span
class="n">request</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span
class="n">get_body_argument</span><span class="p">(</span><span
class="s">"message"</span><span class="p">),</span> <span
class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span
class="bp">self</span><span class="o">.</span><span
class="n">on_response</span><span class="p">(</span><span
class="n">x</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">on_response</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">body</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">set_header</span><span class="p">(</span><span
class="s">"Content-Type"</span><span class="p">,</span> <span
class="s">"text/html"</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_open</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_form</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">write</span><span class="p">(</span><span class="s">"Response:
"</span> <span class="o">+</span> <span class="n">body</span><span
class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">_write_close</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">finish</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">_write_open</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">write</span><span class="p">(</span><span
class="s">'<html><body>'</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_write_close</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">write</span><span class="p">(</span><span
class="s">'</body></html>'</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_write_form</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">write</span><span class="p">(</span><span class="s">'<form
action="/client" method="POST">'</span>
+ <span class="s">'Request: <input
type="text" name="message">'</span>
+ <span class="s">'<input type="submit"
value="Submit">'</span>
+ <span class="s">'</form>'</span><span
class="p">)</span>
+
+
+<span class="n">loop</span> <span class="o">=</span> <span
class="n">tornado</span><span class="o">.</span><span
class="n">ioloop</span><span class="o">.</span><span
class="n">IOLoop</span><span class="o">.</span><span
class="n">instance</span><span class="p">()</span>
+<span class="n">client</span> <span class="o">=</span> <span
class="n">Client</span><span class="p">(</span><span
class="s">"localhost:5672"</span><span class="p">,</span> <span
class="s">"examples"</span><span class="p">)</span>
+<span class="n">client</span><span class="o">.</span><span
class="n">container</span> <span class="o">=</span> <span
class="n">Container</span><span class="p">(</span><span
class="n">client</span><span class="p">,</span> <span
class="n">loop</span><span class="o">=</span><span class="n">loop</span><span
class="p">)</span>
+<span class="n">client</span><span class="o">.</span><span
class="n">container</span><span class="o">.</span><span
class="n">initialise</span><span class="p">()</span>
+<span class="n">app</span> <span class="o">=</span> <span
class="n">tornado</span><span class="o">.</span><span class="n">web</span><span
class="o">.</span><span class="n">Application</span><span
class="p">([</span><span class="n">tornado</span><span class="o">.</span><span
class="n">web</span><span class="o">.</span><span class="n">url</span><span
class="p">(</span><span class="s">r"/client"</span><span
class="p">,</span> <span class="n">ExampleHandler</span><span
class="p">,</span> <span class="nb">dict</span><span class="p">(</span><span
class="n">client</span><span class="o">=</span><span
class="n">client</span><span class="p">))])</span>
+<span class="n">app</span><span class="o">.</span><span
class="n">listen</span><span class="p">(</span><span
class="mi">8888</span><span class="p">)</span>
+<span class="k">try</span><span class="p">:</span>
+ <span class="n">loop</span><span class="o">.</span><span
class="n">start</span><span class="p">()</span>
+<span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span
class="p">:</span>
+ <span class="n">loop</span><span class="o">.</span><span
class="n">stop</span><span class="p">()</span>
+</pre></div>
+
+<p><a href="client_http.py">Download this file</a></p>
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,118 @@
+#!/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.
+#
+
+try:
+ import Queue
+except:
+ import queue as Queue
+
+import sqlite3
+import threading
+
+class Db(object):
+ def __init__(self, db, injector):
+ self.db = db
+ self.injector = injector
+ self.tasks = Queue.Queue()
+ self.position = None
+ self.pending_events = []
+ self.running = True
+ self.thread = threading.Thread(target=self._process)
+ self.thread.daemon=True
+ self.thread.start()
+
+ def close(self):
+ self.tasks.put(lambda conn: self._close())
+
+ def reset(self):
+ self.tasks.put(lambda conn: self._reset())
+
+ def load(self, records, event=None):
+ self.tasks.put(lambda conn: self._load(conn, records, event))
+
+ def get_id(self, event):
+ self.tasks.put(lambda conn: self._get_id(conn, event))
+
+ def insert(self, id, data, event=None):
+ self.tasks.put(lambda conn: self._insert(conn, id, data, event))
+
+ def delete(self, id, event=None):
+ self.tasks.put(lambda conn: self._delete(conn, id, event))
+
+ def _reset(self, ignored=None):
+ self.position = None
+
+ def _close(self, ignored=None):
+ self.running = False
+
+ def _get_id(self, conn, event):
+ cursor = conn.execute("SELECT * FROM records ORDER BY id DESC")
+ row = cursor.fetchone()
+ if event:
+ if row:
+ event.id = row['id']
+ else:
+ event.id = 0
+ self.injector.trigger(event)
+
+ def _load(self, conn, records, event):
+ if self.position:
+ cursor = conn.execute("SELECT * FROM records WHERE id > ? ORDER BY
id", (self.position,))
+ else:
+ cursor = conn.execute("SELECT * FROM records ORDER BY id")
+ while not records.full():
+ row = cursor.fetchone()
+ if row:
+ self.position = row['id']
+ records.put(dict(row))
+ else:
+ break
+ if event:
+ self.injector.trigger(event)
+
+ def _insert(self, conn, id, data, event):
+ if id:
+ conn.execute("INSERT INTO records(id, description) VALUES (?, ?)",
(id, data))
+ else:
+ conn.execute("INSERT INTO records(description) VALUES (?)",
(data,))
+ if event:
+ self.pending_events.append(event)
+
+ def _delete(self, conn, id, event):
+ conn.execute("DELETE FROM records WHERE id=?", (id,))
+ if event:
+ self.pending_events.append(event)
+
+ def _process(self):
+ conn = sqlite3.connect(self.db)
+ conn.row_factory = sqlite3.Row
+ with conn:
+ while self.running:
+ f = self.tasks.get(True)
+ try:
+ while True:
+ f(conn)
+ f = self.tasks.get(False)
+ except Queue.Empty: pass
+ conn.commit()
+ for event in self.pending_events:
+ self.injector.trigger(event)
+ self.pending_events = []
+ self.injector.close()
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py
------------------------------------------------------------------------------
svn:executable = *
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py.html.in
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py.html.in?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py.html.in
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_common.py.html.in
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,103 @@
+
+<h1>db_common.py</h1>
+<div class="highlight"><pre><span class="k">try</span><span class="p">:</span>
+ <span class="kn">import</span> <span class="nn">Queue</span>
+<span class="k">except</span><span class="p">:</span>
+ <span class="kn">import</span> <span class="nn">queue</span> <span
class="kn">as</span> <span class="nn">Queue</span>
+
+<span class="kn">import</span> <span class="nn">sqlite3</span>
+<span class="kn">import</span> <span class="nn">threading</span>
+
+<span class="k">class</span> <span class="nc">Db</span><span
class="p">(</span><span class="nb">object</span><span class="p">):</span>
+ <span class="k">def</span> <span class="nf">__init__</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">db</span><span class="p">,</span> <span
class="n">injector</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">db</span> <span class="o">=</span> <span class="n">db</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">injector</span> <span class="o">=</span> <span
class="n">injector</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span> <span class="o">=</span> <span
class="n">Queue</span><span class="o">.</span><span class="n">Queue</span><span
class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">position</span> <span class="o">=</span> <span class="bp">None</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending_events</span> <span class="o">=</span> <span
class="p">[]</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">running</span> <span class="o">=</span> <span class="bp">True</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">thread</span> <span class="o">=</span> <span
class="n">threading</span><span class="o">.</span><span
class="n">Thread</span><span class="p">(</span><span
class="n">target</span><span class="o">=</span><span
class="bp">self</span><span class="o">.</span><span
class="n">_process</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">thread</span><span class="o">.</span><span
class="n">daemon</span><span class="o">=</span><span class="bp">True</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">thread</span><span class="o">.</span><span
class="n">start</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">close</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_close</span><span class="p">())</span>
+
+ <span class="k">def</span> <span class="nf">reset</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_reset</span><span class="p">())</span>
+
+ <span class="k">def</span> <span class="nf">load</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">records</span><span class="p">,</span> <span
class="n">event</span><span class="o">=</span><span class="bp">None</span><span
class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_load</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span
class="n">records</span><span class="p">,</span> <span
class="n">event</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">get_id</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_get_id</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span class="n">event</span><span
class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">insert</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="nb">id</span><span class="p">,</span> <span class="n">data</span><span
class="p">,</span> <span class="n">event</span><span class="o">=</span><span
class="bp">None</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_insert</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span class="nb">id</span><span
class="p">,</span> <span class="n">data</span><span class="p">,</span> <span
class="n">event</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">delete</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="nb">id</span><span class="p">,</span> <span class="n">event</span><span
class="o">=</span><span class="bp">None</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">put</span><span
class="p">(</span><span class="k">lambda</span> <span
class="n">conn</span><span class="p">:</span> <span class="bp">self</span><span
class="o">.</span><span class="n">_delete</span><span class="p">(</span><span
class="n">conn</span><span class="p">,</span> <span class="nb">id</span><span
class="p">,</span> <span class="n">event</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">_reset</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">ignored</span><span class="o">=</span><span
class="bp">None</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">position</span> <span class="o">=</span> <span class="bp">None</span>
+
+ <span class="k">def</span> <span class="nf">_close</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">ignored</span><span class="o">=</span><span
class="bp">None</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">running</span> <span class="o">=</span> <span class="bp">False</span>
+
+ <span class="k">def</span> <span class="nf">_get_id</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">conn</span><span class="p">,</span> <span class="n">event</span><span
class="p">):</span>
+ <span class="n">cursor</span> <span class="o">=</span> <span
class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"SELECT *
FROM records ORDER BY id DESC"</span><span class="p">)</span>
+ <span class="n">row</span> <span class="o">=</span> <span
class="n">cursor</span><span class="o">.</span><span
class="n">fetchone</span><span class="p">()</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="p">:</span>
+ <span class="k">if</span> <span class="n">row</span><span
class="p">:</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">id</span> <span class="o">=</span> <span class="n">row</span><span
class="p">[</span><span class="s">'id'</span><span class="p">]</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">event</span><span class="o">.</span><span
class="n">id</span> <span class="o">=</span> <span class="mi">0</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">injector</span><span class="o">.</span><span
class="n">trigger</span><span class="p">(</span><span
class="n">event</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_load</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">conn</span><span class="p">,</span> <span
class="n">records</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span
class="o">.</span><span class="n">position</span><span class="p">:</span>
+ <span class="n">cursor</span> <span class="o">=</span> <span
class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"SELECT *
FROM records WHERE id > ? ORDER BY id"</span><span class="p">,</span>
<span class="p">(</span><span class="bp">self</span><span
class="o">.</span><span class="n">position</span><span class="p">,))</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">cursor</span> <span class="o">=</span> <span
class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"SELECT *
FROM records ORDER BY id"</span><span class="p">)</span>
+ <span class="k">while</span> <span class="ow">not</span> <span
class="n">records</span><span class="o">.</span><span
class="n">full</span><span class="p">():</span>
+ <span class="n">row</span> <span class="o">=</span> <span
class="n">cursor</span><span class="o">.</span><span
class="n">fetchone</span><span class="p">()</span>
+ <span class="k">if</span> <span class="n">row</span><span
class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">position</span> <span class="o">=</span> <span
class="n">row</span><span class="p">[</span><span
class="s">'id'</span><span class="p">]</span>
+ <span class="n">records</span><span class="o">.</span><span
class="n">put</span><span class="p">(</span><span class="nb">dict</span><span
class="p">(</span><span class="n">row</span><span class="p">))</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="k">break</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">injector</span><span class="o">.</span><span
class="n">trigger</span><span class="p">(</span><span
class="n">event</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_insert</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">conn</span><span class="p">,</span> <span class="nb">id</span><span
class="p">,</span> <span class="n">data</span><span class="p">,</span> <span
class="n">event</span><span class="p">):</span>
+ <span class="k">if</span> <span class="nb">id</span><span
class="p">:</span>
+ <span class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"INSERT
INTO records(id, description) VALUES (?, ?)"</span><span
class="p">,</span> <span class="p">(</span><span class="nb">id</span><span
class="p">,</span> <span class="n">data</span><span class="p">))</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"INSERT
INTO records(description) VALUES (?)"</span><span class="p">,</span> <span
class="p">(</span><span class="n">data</span><span class="p">,))</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending_events</span><span class="o">.</span><span
class="n">append</span><span class="p">(</span><span
class="n">event</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_delete</span><span
class="p">(</span><span class="bp">self</span><span class="p">,</span> <span
class="n">conn</span><span class="p">,</span> <span class="nb">id</span><span
class="p">,</span> <span class="n">event</span><span class="p">):</span>
+ <span class="n">conn</span><span class="o">.</span><span
class="n">execute</span><span class="p">(</span><span class="s">"DELETE
FROM records WHERE id=?"</span><span class="p">,</span> <span
class="p">(</span><span class="nb">id</span><span class="p">,))</span>
+ <span class="k">if</span> <span class="n">event</span><span
class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending_events</span><span class="o">.</span><span
class="n">append</span><span class="p">(</span><span
class="n">event</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_process</span><span
class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="n">conn</span> <span class="o">=</span> <span
class="n">sqlite3</span><span class="o">.</span><span
class="n">connect</span><span class="p">(</span><span
class="bp">self</span><span class="o">.</span><span class="n">db</span><span
class="p">)</span>
+ <span class="n">conn</span><span class="o">.</span><span
class="n">row_factory</span> <span class="o">=</span> <span
class="n">sqlite3</span><span class="o">.</span><span class="n">Row</span>
+ <span class="k">with</span> <span class="n">conn</span><span
class="p">:</span>
+ <span class="k">while</span> <span class="bp">self</span><span
class="o">.</span><span class="n">running</span><span class="p">:</span>
+ <span class="n">f</span> <span class="o">=</span> <span
class="bp">self</span><span class="o">.</span><span class="n">tasks</span><span
class="o">.</span><span class="n">get</span><span class="p">(</span><span
class="bp">True</span><span class="p">)</span>
+ <span class="k">try</span><span class="p">:</span>
+ <span class="k">while</span> <span
class="bp">True</span><span class="p">:</span>
+ <span class="n">f</span><span class="p">(</span><span
class="n">conn</span><span class="p">)</span>
+ <span class="n">f</span> <span class="o">=</span>
<span class="bp">self</span><span class="o">.</span><span
class="n">tasks</span><span class="o">.</span><span class="n">get</span><span
class="p">(</span><span class="bp">False</span><span class="p">)</span>
+ <span class="k">except</span> <span
class="n">Queue</span><span class="o">.</span><span class="n">Empty</span><span
class="p">:</span> <span class="k">pass</span>
+ <span class="n">conn</span><span class="o">.</span><span
class="n">commit</span><span class="p">()</span>
+ <span class="k">for</span> <span class="n">event</span> <span
class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span
class="n">pending_events</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">injector</span><span class="o">.</span><span
class="n">trigger</span><span class="p">(</span><span
class="n">event</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">pending_events</span> <span class="o">=</span> <span
class="p">[]</span>
+ <span class="bp">self</span><span class="o">.</span><span
class="n">injector</span><span class="o">.</span><span
class="n">close</span><span class="p">()</span>
+</pre></div>
+
+<p><a href="db_common.py">Download this file</a></p>
Added:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_ctrl.py
URL:
http://svn.apache.org/viewvc/qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_ctrl.py?rev=1705923&view=auto
==============================================================================
---
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_ctrl.py
(added)
+++
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_ctrl.py
Tue Sep 29 20:27:56 2015
@@ -0,0 +1,47 @@
+#!/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.
+#
+
+from __future__ import print_function
+import sqlite3
+import sys
+
+if len(sys.argv) < 3:
+ print("Usage: %s [init|insert|list] db" % sys.argv[0])
+else:
+ conn = sqlite3.connect(sys.argv[2])
+ with conn:
+ if sys.argv[1] == "init":
+ conn.execute("DROP TABLE IF EXISTS records")
+ conn.execute("CREATE TABLE records(id INTEGER PRIMARY KEY
AUTOINCREMENT, description TEXT)")
+ conn.commit()
+ elif sys.argv[1] == "list":
+ cursor = conn.cursor()
+ cursor.execute("SELECT * FROM records")
+ rows = cursor.fetchall()
+ for r in rows:
+ print(r)
+ elif sys.argv[1] == "insert":
+ while True:
+ l = sys.stdin.readline()
+ if not l: break
+ conn.execute("INSERT INTO records(description) VALUES (?)",
(l.rstrip(),))
+ conn.commit()
+ else:
+ print("Unrecognised command: %s" % sys.argv[1])
Propchange:
qpid/site/input/releases/qpid-proton-master/proton/python/examples/db_ctrl.py
------------------------------------------------------------------------------
svn:executable = *
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