Now properly generating GRPC files for python3

.gitignore

@@ -1 +1,3 @@
 .idea/
+.vscode/
+__pycache__

CODEOWNERS

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+# Lines starting with '#' are comments.
+# Each line is a file pattern followed by one or more owners.
+
+# These owners will be the default owners for everything in the repo.
+*       @thrawn01

python/gubernator/client.py

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+import gubernator.pb.ratelimit_pb2 as pb
+import gubernator.pb.ratelimit_pb2_grpc as pb_grpc
+import grpc
+
+
+class Client(object):
+    def __init__(self, endpoint='127.0.0.1:9090', timeout=None,
+                 username=None, password=None):
+        channel = grpc.insecure_channel(endpoint)
+        print(dir(pb))
+        self.stub = pb_grpc.RateLimitServiceStub(channel)
+
+    def ping(self):
+        print(self.stub.Ping(pb.HealthCheckRequest()))

python/gubernator/pb/peers_pb2_grpc.py

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+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+import grpc
+
+import peers_pb2 as peers__pb2
+
+
+class PeersServiceStub(object):
+  # missing associated documentation comment in .proto file
+  pass
+
+  def __init__(self, channel):
+    """Constructor.
+
+    Args:
+      channel: A grpc.Channel.
+    """
+    self.GetPeerRateLimits = channel.unary_unary(
+        '/pb.gubernator.PeersService/GetPeerRateLimits',
+        request_serializer=peers__pb2.PeerRateLimitRequest.SerializeToString,
+        response_deserializer=peers__pb2.PeerRateLimitResponse.FromString,
+        )
+
+
+class PeersServiceServicer(object):
+  # missing associated documentation comment in .proto file
+  pass
+
+  def GetPeerRateLimits(self, request, context):
+    """Used by peers to relay batches of requests to an authoritative peer
+    """
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
+
+def add_PeersServiceServicer_to_server(servicer, server):
+  rpc_method_handlers = {
+      'GetPeerRateLimits': grpc.unary_unary_rpc_method_handler(
+          servicer.GetPeerRateLimits,
+          request_deserializer=peers__pb2.PeerRateLimitRequest.FromString,
+          response_serializer=peers__pb2.PeerRateLimitResponse.SerializeToString,
+      ),
+  }
+  generic_handler = grpc.method_handlers_generic_handler(
+      'pb.gubernator.PeersService', rpc_method_handlers)
+  server.add_generic_rpc_handlers((generic_handler,))