Merge branch 'master' into config-isolation

1 files changed, 44 insertions, 0 deletions

diff --git a/examples/python/helloworld/greeter_client_with_options.py b/examples/python/helloworld/greeter_client_with_options.py
new file mode 100644
index 0000000000..7eda8c9066
--- /dev/null
+++ b/examples/python/helloworld/greeter_client_with_options.py
@@ -0,0 +1,44 @@
+# Copyright 2018 gRPC authors.
+#
+# Licensed 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.
+"""The Python implementation of the GRPC helloworld.Greeter client with channel options and call timeout parameters."""
+
+from __future__ import print_function
+
+import grpc
+
+import helloworld_pb2
+import helloworld_pb2_grpc
+
+
+def run():
+    # NOTE(gRPC Python Team): .close() is possible on a channel and should be
+    # used in circumstances in which the with statement does not fit the needs
+    # of the code.
+    #
+    # For more channel options, please see https://grpc.io/grpc/core/group__grpc__arg__keys.html
+    with grpc.insecure_channel(
+            target='localhost:50051',
+            options=[('grpc.lb_policy_name', 'pick_first'),
+                     ('grpc.enable_retries', 0), ('grpc.keepalive_timeout_ms',
+                                                  10000)]) as channel:
+        stub = helloworld_pb2_grpc.GreeterStub(channel)
+        # Timeout in seconds.
+        # Please refer gRPC Python documents for more detail. https://grpc.io/grpc/python/grpc.html
+        response = stub.SayHello(
+            helloworld_pb2.HelloRequest(name='you'), timeout=10)
+    print("Greeter client received: " + response.message)
+
+
+if __name__ == '__main__':
+    run()