[High Priority] Update default value for the pin map sites (#915)

fix: add default sites
(cherry picked from commit 868b6db)

packages/generator/ni_measurement_plugin_sdk_generator/client/templates/measurement_plugin_client.py.mako

@@ -118,7 +118,7 @@ class ${class_name}:
         if grpc_channel is not None:
             self._stub = v2_measurement_service_pb2_grpc.MeasurementServiceStub(grpc_channel)
         self._create_file_descriptor()
-        self._pin_map_context: Optional[PinMapContext] = None
+        self._pin_map_context: PinMapContext = PinMapContext(pin_map_id="", sites=[0])
 
     @property
     def pin_map_context(self) -> PinMapContext:
@@ -136,8 +136,7 @@ class ${class_name}:
     @property
     def sites(self) -> List[int]:
         """The sites where the measurement must be executed."""
-        if self._pin_map_context is not None:
-            return self._pin_map_context.sites
+        return self._pin_map_context.sites
 
     @sites.setter
     def sites(self, val: List[int]) -> None:
@@ -206,7 +205,7 @@ class ${class_name}:
         )
         return v2_measurement_service_pb2.MeasureRequest(
             configuration_parameters=serialized_configuration,
-            pin_map_context=self._pin_map_context._to_grpc() if self._pin_map_context else None,
+            pin_map_context=self._pin_map_context._to_grpc(),
         )
 
     % if output_metadata:
@@ -298,10 +297,7 @@ class ${class_name}:
             pin_map_path: Absolute path of the pin map file.
         """
         pin_map_id = self._get_pin_map_client().update_pin_map(pin_map_path)
-        if self._pin_map_context is None:
-            self._pin_map_context = PinMapContext(pin_map_id=pin_map_id, sites=[0])
-        else:
-            self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)
+        self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)
 
 % if "from pathlib import Path" in built_in_import_modules:
 

packages/generator/tests/test_assets/example_renders/measurement_plugin_client/non_streaming_data_measurement_client.py

@@ -420,7 +420,7 @@ def __init__(
         if grpc_channel is not None:
             self._stub = v2_measurement_service_pb2_grpc.MeasurementServiceStub(grpc_channel)
         self._create_file_descriptor()
-        self._pin_map_context: Optional[PinMapContext] = None
+        self._pin_map_context: PinMapContext = PinMapContext(pin_map_id="", sites=[0])
 
     @property
     def pin_map_context(self) -> PinMapContext:
@@ -438,8 +438,7 @@ def pin_map_context(self, val: PinMapContext) -> None:
     @property
     def sites(self) -> List[int]:
         """The sites where the measurement must be executed."""
-        if self._pin_map_context is not None:
-            return self._pin_map_context.sites
+        return self._pin_map_context.sites
 
     @sites.setter
     def sites(self, val: List[int]) -> None:
@@ -510,7 +509,7 @@ def _create_measure_request(
         )
         return v2_measurement_service_pb2.MeasureRequest(
             configuration_parameters=serialized_configuration,
-            pin_map_context=self._pin_map_context._to_grpc() if self._pin_map_context else None,
+            pin_map_context=self._pin_map_context._to_grpc(),
         )
 
     def _deserialize_response(
@@ -667,10 +666,7 @@ def register_pin_map(self, pin_map_path: Path) -> None:
             pin_map_path: Absolute path of the pin map file.
         """
         pin_map_id = self._get_pin_map_client().update_pin_map(pin_map_path)
-        if self._pin_map_context is None:
-            self._pin_map_context = PinMapContext(pin_map_id=pin_map_id, sites=[0])
-        else:
-            self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)
+        self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)
 
 
 def _convert_paths_to_strings(parameter_values: Iterable[Any]) -> List[Any]:

packages/generator/tests/test_assets/example_renders/measurement_plugin_client/void_measurement_client.py

@@ -73,7 +73,7 @@ def __init__(
         if grpc_channel is not None:
             self._stub = v2_measurement_service_pb2_grpc.MeasurementServiceStub(grpc_channel)
         self._create_file_descriptor()
-        self._pin_map_context: Optional[PinMapContext] = None
+        self._pin_map_context: PinMapContext = PinMapContext(pin_map_id="", sites=[0])
 
     @property
     def pin_map_context(self) -> PinMapContext:
@@ -91,8 +91,7 @@ def pin_map_context(self, val: PinMapContext) -> None:
     @property
     def sites(self) -> List[int]:
         """The sites where the measurement must be executed."""
-        if self._pin_map_context is not None:
-            return self._pin_map_context.sites
+        return self._pin_map_context.sites
 
     @sites.setter
     def sites(self, val: List[int]) -> None:
@@ -163,7 +162,7 @@ def _create_measure_request(
         )
         return v2_measurement_service_pb2.MeasureRequest(
             configuration_parameters=serialized_configuration,
-            pin_map_context=self._pin_map_context._to_grpc() if self._pin_map_context else None,
+            pin_map_context=self._pin_map_context._to_grpc(),
         )
 
     def measure(self, integer_in: int = 10) -> None:
@@ -216,7 +215,4 @@ def register_pin_map(self, pin_map_path: Path) -> None:
             pin_map_path: Absolute path of the pin map file.
         """
         pin_map_id = self._get_pin_map_client().update_pin_map(pin_map_path)
-        if self._pin_map_context is None:
-            self._pin_map_context = PinMapContext(pin_map_id=pin_map_id, sites=[0])
-        else:
-            self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)
+        self._pin_map_context = self._pin_map_context._replace(pin_map_id=pin_map_id)