Add examples

examples/greeter/srv/python/sidecar_server.py

@@ -0,0 +1,35 @@
+from werkzeug.wrappers import Request, Response
+from werkzeug.serving import run_simple
+from jsonrpc import JSONRPCResponseManager, dispatcher
+
+import uuid
+import requests
+import json
+
+def register():
+    register_uri = "http://localhost:8081/registry"
+    service = "go.micro.srv.greeter"
+    headers = {'content-type': 'application/json'}
+    payload = {
+        "name": service,
+        "nodes": [{
+            "id": service + "-" + str(uuid.uuid4()),
+            "address": "127.0.0.1",
+            "port": 4000,
+        }],
+    }
+    requests.post(register_uri, data=json.dumps(payload), headers=headers)
+
+@Request.application
+def application(request):
+    # Dispatcher is dictionary {<method_name>: callable}
+    dispatcher["Say.Hello"] = lambda s: "hello " + s["name"]
+
+    response = JSONRPCResponseManager.handle(
+        request.data, dispatcher)
+    return Response(response.json, mimetype='application/json')
+
+
+if __name__ == '__main__':
+    register()
+    run_simple('localhost', 4000, application)