From fab03558975ff1ed879cd3c21cd104de9a529f73 Mon Sep 17 00:00:00 2001
From: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Date: Tue, 3 Nov 2026 08:04:27 +0000
Subject: [PATCH] refactor: drop fresh private-alias, getattr and duplicated
 response id helpers

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
---
 .../audio_utils/transcription_streaming.py    |  2 +-
 litellm/litellm_core_utils/litellm_logging.py | 26 ++++++++-----------
 ...i_websocket_passthrough_logging_handler.py |  4 +--
 litellm/proxy/proxy_server.py                 |  2 +-
 4 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/litellm/litellm_core_utils/audio_utils/transcription_streaming.py b/litellm/litellm_core_utils/audio_utils/transcription_streaming.py
index 4650b7db2f2..b7fa693a22a 100644
--- a/litellm/litellm_core_utils/audio_utils/transcription_streaming.py
+++ b/litellm/litellm_core_utils/audio_utils/transcription_streaming.py
@@ -177,7 +177,7 @@ class _TranscriptionEventCollector:
 
 
 def _billed_usage(response: TranscriptionResponse) -> Usage:
-    usage: Final[object] = getattr(response, "usage", None)
+    usage: Final = response.usage
     token_usage: Final = (
         TranscriptionUsageObjectTransformation.transform_transcription_usage_object(usage)
         if isinstance(usage, TranscriptionUsageTokensObject)
diff --git a/litellm/litellm_core_utils/litellm_logging.py b/litellm/litellm_core_utils/litellm_logging.py
index de83cc4d821..4a7c7ca2b5f 100644
--- a/litellm/litellm_core_utils/litellm_logging.py
+++ b/litellm/litellm_core_utils/litellm_logging.py
@@ -3235,21 +3235,12 @@ class Logging(LiteLLMLoggingBaseClass):
             return response
         return response.model_copy(update={"model": model})
 
-    def _with_continued_response_id(
-        self,
+    @staticmethod
+    def _with_response_id(
         response: ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse,
+        response_id: str | None,
     ) -> ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse:
-        response_id: Final = self.model_call_details.get("continued_response_id")
-        if not isinstance(response_id, str) or response.id == response_id:
-            return response
-        return response.model_copy(update={"id": response_id})
-
-    def _with_client_facing_response_id(
-        self,
-        response: ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse,
-    ) -> ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse:
-        response_id: Final = self.client_facing_response_id
-        if response_id is None or getattr(response, "id", None) == response_id:
+        if response_id is None or response.id == response_id:
             return response
         return response.model_copy(update={"id": response_id})
 
@@ -3257,8 +3248,13 @@ class Logging(LiteLLMLoggingBaseClass):
         self,
         response: ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse,
     ) -> ModelResponse | TextCompletionResponse | ResponsesAPIResponse | InteractionsAPIResponse:
-        return self._with_client_facing_response_id(
-            self._with_continued_response_id(self._with_client_facing_stream_model(response))
+        continued_response_id: Final = self.model_call_details.get("continued_response_id")
+        return self._with_response_id(
+            self._with_response_id(
+                self._with_client_facing_stream_model(response),
+                continued_response_id if isinstance(continued_response_id, str) else None,
+            ),
+            self.client_facing_response_id,
         )
 
     def _success_handler_helper_fn(
diff --git a/litellm/proxy/pass_through_endpoints/llm_provider_handlers/openai_websocket_passthrough_logging_handler.py b/litellm/proxy/pass_through_endpoints/llm_provider_handlers/openai_websocket_passthrough_logging_handler.py
index f3bad54ffb2..90eb76cc9d8 100644
--- a/litellm/proxy/pass_through_endpoints/llm_provider_handlers/openai_websocket_passthrough_logging_handler.py
+++ b/litellm/proxy/pass_through_endpoints/llm_provider_handlers/openai_websocket_passthrough_logging_handler.py
@@ -158,9 +158,7 @@ def _responses_turn(event: Mapping[str, object], session_model: str) -> _Complet
     return _CompletedTurn(
         model=ended.response.model or session_model,
         response=ended.response,
-        usage=ResponseAPILoggingUtils._transform_response_api_usage_to_chat_usage(  # pyright: ignore[reportPrivateUsage]  # the one shared Responses usage converter
-            ended.response.usage
-        ),
+        usage=ResponseAPILoggingUtils.transform_response_api_usage_to_chat_usage(ended.response.usage),
     )
 
 
diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 524803145f2..f44c8387f24 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -13890,7 +13890,7 @@ async def audio_transcriptions(
             api_base=api_base,
             version=version,
             response_cost=response_cost,
-            model_region=getattr(user_api_key_dict, "allowed_model_region", ""),
+            model_region=user_api_key_dict.allowed_model_region,
             call_id=response_call_id,
             request_data=data,
             hidden_params=hidden_params,