Skip to content

Python: fix(devui): serialize nested ChatMessage objects in workflow events #1921

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

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Python: fix(devui): serialize nested ChatMessage objects in workflow events #1921

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c9b3bc6
fix(devui): serialize nested ChatMessage objects in workflow events
q33566 Nov 5, 2025
893d96c
fix(devui): deep-serialize workflow outputs by reusing _serialize_con…
q33566 Nov 5, 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
13 changes: 4 additions & 9 deletions python/packages/devui/agent_framework_devui/_mapper.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -814,16 +814,11 @@ async def _convert_workflow_event(self, event: Any, context: dict[str, Any]) ->
return [trace_event]

# For unknown/legacy events, still emit as workflow event for backward compatibility
# Get event data and serialize if it's a SerializationMixin
# Get event data and recursively serialize it to handle nested SerializationMixin objects
raw_event_data = getattr(event, "data", None)
serialized_event_data: dict[str, Any] | str | None = raw_event_data
if raw_event_data is not None and hasattr(raw_event_data, "to_dict"):
# SerializationMixin objects - convert to dict for JSON serialization
try:
serialized_event_data = raw_event_data.to_dict()
except Exception as e:
logger.debug(f"Failed to serialize event data with to_dict(): {e}")
serialized_event_data = str(raw_event_data)
serialized_event_data: dict[str, Any] | str | list[Any] | None = (
_serialize_content_recursive(raw_event_data) if raw_event_data is not None else None
)

# Create structured workflow event (keeping for backward compatibility)
workflow_event = ResponseWorkflowEventComplete(
Expand Down