From c0007bd418b5e46c516eb8b1f7b861e8a35e7c83 Mon Sep 17 00:00:00 2001 From: Yuta Saito Date: Thu, 22 Jan 2026 05:40:16 +0900 Subject: [PATCH] fix: Send litellm_trace_id to Langfuse to link LiteLLM logs with Langfuse logs --- litellm/integrations/langfuse/langfuse.py | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) diff --git a/litellm/integrations/langfuse/langfuse.py b/litellm/integrations/langfuse/langfuse.py index 7e62613a7e4..8087c17cafe 100644 --- a/litellm/integrations/langfuse/langfuse.py +++ b/litellm/integrations/langfuse/langfuse.py @@ -593,30 +593,10 @@ class LangFuseLogger: trace_id = clean_metadata.pop("trace_id", None) # Use standard_logging_object.trace_id if available (when trace_id from metadata is None) # This allows standard trace_id to be used when provided in standard_logging_object - # However, we skip standard_logging_object.trace_id if it's a UUID (from litellm_trace_id default), - # as we want to fall back to litellm_call_id instead for better traceability. - # Note: Users can still explicitly set a UUID trace_id via metadata["trace_id"] (highest priority) if trace_id is None and standard_logging_object is not None: - standard_trace_id = cast( + trace_id = cast( Optional[str], standard_logging_object.get("trace_id") ) - # Only use standard_logging_object.trace_id if it's not a UUID - # UUIDs are 36 characters with hyphens in format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx - # We check for this specific pattern to avoid rejecting valid trace_ids that happen to have hyphens - # This primarily filters out default litellm_trace_id UUIDs, while still allowing user-provided - # trace_ids via metadata["trace_id"] (which is checked first and not affected by this logic) - if standard_trace_id is not None: - # Check if it's a UUID: 36 chars, 4 hyphens, specific pattern - is_uuid = ( - len(standard_trace_id) == 36 - and standard_trace_id.count("-") == 4 - and standard_trace_id[8] == "-" - and standard_trace_id[13] == "-" - and standard_trace_id[18] == "-" - and standard_trace_id[23] == "-" - ) - if not is_uuid: - trace_id = standard_trace_id # Fallback to litellm_call_id if no trace_id found if trace_id is None: trace_id = litellm_call_id