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Handle injected inputs during streaming #9

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Merged
merged 1 commit into from
Aug 21, 2025
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Handle injected inputs during streaming #9

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15 changes: 15 additions & 0 deletions src/agents/run.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1135,6 +1135,7 @@ async def _run_single_turn_streamed(
model_settings = RunImpl.maybe_reset_tool_choice(agent, tool_use_tracker, model_settings)

final_response: ModelResponse | None = None
injected_during_turn = False

input = ItemHelpers.input_to_new_input_list(streamed_result.input)
input.extend([item.to_input_item() for item in streamed_result.new_items])
Expand Down Expand Up @@ -1205,6 +1206,20 @@ async def _run_single_turn_streamed(

streamed_result._event_queue.put_nowait(RawResponsesStreamEvent(data=event))

# Break early if new items were injected during this turn.
if injected and len(injected) > 0:
injected_during_turn = True
break

if injected_during_turn and final_response is None:
return SingleStepResult(
original_input=streamed_result.input,
model_response=ModelResponse(output=[], usage=Usage(), response_id=None),
pre_step_items=streamed_result.new_items,
new_step_items=[],
next_step=NextStepRunAgain(),
)

# --- NEW: if cancelled during streaming, terminate cleanly ---
if (
getattr(streamed_result, "_cancel_token", None)
Expand Down
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