Fix enum selection

Author: dirkkul

test/collection/test_classes_generative.py

@@ -322,6 +322,8 @@ def test_generative_parameters_images_parsing(
                 stop=["\n"],
                 temperature=0.5,
                 top_p=50,
+                reasoning_effort="high",
+                verbosity="low",
             )._to_grpc(
                 _GenerativeConfigRuntimeOptions(
                     return_metadata=True, images=[LOGO_ENCODED], image_properties=["image"]
@@ -344,6 +346,8 @@ def test_generative_parameters_images_parsing(
                     images=base_pb2.TextArray(values=[LOGO_ENCODED]),
                     image_properties=base_pb2.TextArray(values=["image"]),
                     is_azure=False,
+                    reasoning_effort=generative_pb2.GenerativeOpenAI.ReasoningEffort.REASONING_EFFORT_HIGH,
+                    verbosity=generative_pb2.GenerativeOpenAI.Verbosity.VERBOSITY_LOW,
                 ),
             ),
         ),

weaviate/collections/classes/generative.py

@@ -342,17 +342,37 @@ def _to_grpc(self, opts: _GenerativeConfigRuntimeOptions) -> generative_pb2.Gene
                 is_azure=self.is_azure,
                 images=_to_text_array(opts.images),
                 image_properties=_to_text_array(opts.image_properties),
-                verbosity=generative_pb2.GenerativeOpenAI.Verbosity(self.verbosity)
-                if self.verbosity is not None
-                else None,
-                reasoning_effort=generative_pb2.GenerativeOpenAI.ReasoningEffort(
-                    self.reasoning_effort
-                )
-                if self.reasoning_effort is not None
-                else None,
+                verbosity=self.__verbosity(),
+                reasoning_effort=self.__reasoning_effort(),
             ),
         )
 
+    def __verbosity(self):
+        if self.verbosity is None:
+            return None
+
+        if self.verbosity == "low":
+            return generative_pb2.GenerativeOpenAI.Verbosity.VERBOSITY_LOW
+        if self.verbosity == "medium":
+            return generative_pb2.GenerativeOpenAI.Verbosity.VERBOSITY_MEDIUM
+        if self.verbosity == "high":
+            return generative_pb2.GenerativeOpenAI.Verbosity.VERBOSITY_HIGH
+        raise WeaviateInvalidInputError(f"Invalid verbosity value: {self.verbosity}")
+
+    def __reasoning_effort(self):
+        if self.reasoning_effort is None:
+            return None
+
+        if self.reasoning_effort == "minimal":
+            return generative_pb2.GenerativeOpenAI.ReasoningEffort.REASONING_EFFORT_MINIMAL
+        if self.reasoning_effort == "low":
+            return generative_pb2.GenerativeOpenAI.ReasoningEffort.REASONING_EFFORT_LOW
+        if self.reasoning_effort == "medium":
+            return generative_pb2.GenerativeOpenAI.ReasoningEffort.REASONING_EFFORT_MEDIUM
+        if self.reasoning_effort == "high":
+            return generative_pb2.GenerativeOpenAI.ReasoningEffort.REASONING_EFFORT_HIGH
+        raise WeaviateInvalidInputError(f"Invalid reasoning_effort value: {self.reasoning_effort}")
+
 
 class _GenerativeGoogle(_GenerativeConfigRuntime):
     generative: Union[GenerativeSearches, _EnumLikeStr] = Field(