Skip to content

fix(langchain): capture usage on streamed gemini responses #1309

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
hassiebp merged 3 commits into from
Aug 26, 2025
+4 −1
Merged

fix(langchain): capture usage on streamed gemini responses #1309

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cd45de3
fix(langchain): capture usage on streamed gemini responses
hassiebp Aug 22, 2025
15ff192
push
hassiebp Aug 26, 2025
6f8b601
Merge branch 'main' into fix-langchain-gemini-streaming-usage
hassiebp Aug 26, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion langfuse/langchain/CallbackHandler.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1036,7 +1036,9 @@ def _parse_usage(response: LLMResult) -> Any:
llm_usage = _parse_usage_model(
generation_chunk.generation_info["usage_metadata"]
)
break

if llm_usage is not None:
break

message_chunk = getattr(generation_chunk, "message", {})
response_metadata = getattr(message_chunk, "response_metadata", {})
Expand Down
Loading