JFJochReceiver: No access to preview frame via gRPC

python/jfjoch_grpc2http.py

@@ -245,26 +245,6 @@ async def put_detector_selection(request: Request):
         raise HTTPException(status_code=400, detail=e.details())
 
 
-# https://stackoverflow.com/questions/55873174/how-do-i-return-an-image-in-fastapi
-@app.get(
-    "/image/preview.tiff",
-    responses={200: {"content": {"image/tiff": {}}}},
-    response_class=Response,
-)
-async def get_preview():
-    try:
-        stub = jfjoch_pb2_grpc.gRPC_JFJochBrokerStub(channel)
-        pbuf = stub.GetPreview(jfjoch_pb2.Empty())
-        image_array = numpy.frombuffer(pbuf.data, numpy.int16)
-        image_array = numpy.where(image_array < 0, -1, image_array)
-        image_array = numpy.reshape(image_array, (pbuf.height, pbuf.width))
-        b = BytesIO()
-        imwrite(b, image_array)
-        return Response(content=b.getvalue(), media_type="image/tiff")
-    except grpc.RpcError as e:
-        raise HTTPException(status_code=400, detail=e.details())
-
-
 def calib_to_tiff(im: jfjoch_pb2.Image) -> bytes:
     if im.pixel_depth == 2:
         image_array = numpy.frombuffer(im.data, numpy.uint16)
@@ -276,29 +256,6 @@ def calib_to_tiff(im: jfjoch_pb2.Image) -> bytes:
     return bytes(b.getvalue())
 
 
-@app.get(
-    "/image/preview_dioptas.tiff",
-    responses={200: {"content": {"image/tiff": {}}}},
-    response_class=Response,
-)
-async def get_preview_dioptas():
-    try:
-        stub = jfjoch_pb2_grpc.gRPC_JFJochBrokerStub(channel)
-        pbuf = stub.GetPreview(jfjoch_pb2.Empty())
-        if pbuf.pixel_depth == 2:
-            image_array = numpy.frombuffer(pbuf.data, numpy.int16)
-        else:
-            image_array = numpy.frombuffer(pbuf.data, numpy.int32)
-        image_array = numpy.where(image_array < 0, 32767, image_array)
-        image_array = numpy.reshape(image_array, (pbuf.height, pbuf.width))
-        image_array = numpy.flipud(image_array)
-        b = BytesIO()
-        imwrite(b, image_array)
-        return Response(content=b.getvalue(), media_type="image/tiff")
-    except grpc.RpcError as e:
-        raise HTTPException(status_code=400, detail=e.details())
-
-
 @app.get(
     "/image/pedestalG0.tiff",
     responses={200: {"content": {"image/tiff": {}}}},

python/jfjoch_pb2_grpc.py

@@ -54,11 +54,6 @@ class gRPC_JFJochReceiverStub(object):
                 request_serializer=jfjoch__pb2.Empty.SerializeToString,
                 response_deserializer=jfjoch__pb2.RadialIntegrationProfiles.FromString,
                 )
-        self.GetPreviewFrame = channel.unary_unary(
-                '/JFJochProtoBuf.gRPC_JFJochReceiver/GetPreviewFrame',
-                request_serializer=jfjoch__pb2.Empty.SerializeToString,
-                response_deserializer=jfjoch__pb2.PreviewFrame.FromString,
-                )
         self.GetNetworkConfig = channel.unary_unary(
                 '/JFJochProtoBuf.gRPC_JFJochReceiver/GetNetworkConfig',
                 request_serializer=jfjoch__pb2.Empty.SerializeToString,
@@ -117,12 +112,6 @@ class gRPC_JFJochReceiverServicer(object):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
-    def GetPreviewFrame(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
     def GetNetworkConfig(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
@@ -172,11 +161,6 @@ def add_gRPC_JFJochReceiverServicer_to_server(servicer, server):
                     request_deserializer=jfjoch__pb2.Empty.FromString,
                     response_serializer=jfjoch__pb2.RadialIntegrationProfiles.SerializeToString,
             ),
-            'GetPreviewFrame': grpc.unary_unary_rpc_method_handler(
-                    servicer.GetPreviewFrame,
-                    request_deserializer=jfjoch__pb2.Empty.FromString,
-                    response_serializer=jfjoch__pb2.PreviewFrame.SerializeToString,
-            ),
             'GetNetworkConfig': grpc.unary_unary_rpc_method_handler(
                     servicer.GetNetworkConfig,
                     request_deserializer=jfjoch__pb2.Empty.FromString,
@@ -328,23 +312,6 @@ class gRPC_JFJochReceiver(object):
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
-    @staticmethod
-    def GetPreviewFrame(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/JFJochProtoBuf.gRPC_JFJochReceiver/GetPreviewFrame',
-            jfjoch__pb2.Empty.SerializeToString,
-            jfjoch__pb2.PreviewFrame.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
     @staticmethod
     def GetNetworkConfig(request,
             target,
@@ -805,11 +772,6 @@ class gRPC_JFJochBrokerStub(object):
                 request_serializer=jfjoch__pb2.Empty.SerializeToString,
                 response_deserializer=jfjoch__pb2.RadialIntegrationProfiles.FromString,
                 )
-        self.GetPreview = channel.unary_unary(
-                '/JFJochProtoBuf.gRPC_JFJochBroker/GetPreview',
-                request_serializer=jfjoch__pb2.Empty.SerializeToString,
-                response_deserializer=jfjoch__pb2.PreviewFrame.FromString,
-                )
         self.GetPedestalG0 = channel.unary_unary(
                 '/JFJochProtoBuf.gRPC_JFJochBroker/GetPedestalG0',
                 request_serializer=jfjoch__pb2.Empty.SerializeToString,
@@ -941,12 +903,6 @@ class gRPC_JFJochBrokerServicer(object):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
-    def GetPreview(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
     def GetPedestalG0(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
@@ -1066,11 +1022,6 @@ def add_gRPC_JFJochBrokerServicer_to_server(servicer, server):
                     request_deserializer=jfjoch__pb2.Empty.FromString,
                     response_serializer=jfjoch__pb2.RadialIntegrationProfiles.SerializeToString,
             ),
-            'GetPreview': grpc.unary_unary_rpc_method_handler(
-                    servicer.GetPreview,
-                    request_deserializer=jfjoch__pb2.Empty.FromString,
-                    response_serializer=jfjoch__pb2.PreviewFrame.SerializeToString,
-            ),
             'GetPedestalG0': grpc.unary_unary_rpc_method_handler(
                     servicer.GetPedestalG0,
                     request_deserializer=jfjoch__pb2.Empty.FromString,
@@ -1383,23 +1334,6 @@ class gRPC_JFJochBroker(object):
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
-    @staticmethod
-    def GetPreview(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/JFJochProtoBuf.gRPC_JFJochBroker/GetPreview',
-            jfjoch__pb2.Empty.SerializeToString,
-            jfjoch__pb2.PreviewFrame.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
     @staticmethod
     def GetPedestalG0(request,
             target,