add validation example

examples/multiple_protocols/presentation/pres.tex

@@ -667,6 +667,8 @@
   This example and the presentation are in:
   \href{https://github.com/arskom/rpclib/tree/master/examples/multiple_protocols}{examples/multiple\_protocols}
 
+  \href{https://github.com/arskom/rpclib/tree/master/validation.py}{examples/validation.py}
+
   \bigskip
 
   \huge

examples/validation.py

@@ -0,0 +1,36 @@
+
+from datetime import datetime
+from rpclib.model.primitive import Integer,Unicode
+from rpclib.decorator import srpc
+from rpclib.service import ServiceBase
+
+class NameOfMonthService(ServiceBase):
+  @srpc(Integer(ge=1,le=12), _returns=Unicode)
+  def get_name_of_month(month):
+    return datetime(2000,month,1).strftime("%B")
+
+
+from rpclib.application import Application
+from rpclib.protocol.http import HttpRpc
+
+rest = Application([NameOfMonthService],
+        tns='rpclib.examples.multiprot',
+        in_protocol=HttpRpc(validator='soft'),
+        out_protocol=HttpRpc()
+    )
+
+import logging
+
+from rpclib.server.wsgi import WsgiApplication
+from wsgiref.simple_server import make_server
+
+host = '127.0.0.1' 
+port = 9912
+
+server = make_server(host, port, WsgiApplication(rest))
+
+
+logging.basicConfig(level=logging.DEBUG)
+logging.info("listening to http://%s:%d" % (host,port))
+
+server.serve_forever()