THRIFT-1024 Add Python Twisted example to the Tutorial

Patch: Michael



git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1054733 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tutorial/py.twisted/PythonClient.py b/tutorial/py.twisted/PythonClient.py
new file mode 100755
index 0000000..27a3d53
--- /dev/null
+++ b/tutorial/py.twisted/PythonClient.py
@@ -0,0 +1,76 @@
+#!/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 sys
+sys.path.append('../gen-py')
+
+from tutorial import Calculator
+from tutorial.ttypes import *
+
+from twisted.internet.defer import inlineCallbacks
+from twisted.internet import reactor
+from twisted.internet.protocol import ClientCreator
+
+from thrift import Thrift
+from thrift.transport import TTwisted
+from thrift.protocol import TBinaryProtocol
+
+@inlineCallbacks
+def main(client):
+  yield client.ping()
+  print 'ping()'
+
+  sum = yield client.add(1,1)
+  print '1+1=%d' % (sum)
+
+  work = Work()
+
+  work.op = Operation.DIVIDE
+  work.num1 = 1
+  work.num2 = 0
+
+  try:
+    quotient = yield client.calculate(1, work)
+    print 'Whoa? You know how to divide by zero?'
+  except InvalidOperation, io:
+    print 'InvalidOperation: %r' % io
+
+  work.op = Operation.SUBTRACT
+  work.num1 = 15
+  work.num2 = 10
+
+  diff = yield client.calculate(1, work)
+  print '15-10=%d' % (diff)
+
+  log = yield client.getStruct(1)
+  print 'Check log: %s' % (log.value)
+  reactor.stop()
+
+if __name__ == '__main__':
+    d = ClientCreator(reactor,
+                      TTwisted.ThriftClientProtocol,
+                      Calculator.Client,
+                      TBinaryProtocol.TBinaryProtocolFactory(),
+                      ).connectTCP("127.0.0.1", 9090)
+    d.addCallback(lambda conn: conn.client)
+    d.addCallback(main)
+
+    reactor.run()