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fix: update Interrupt object attribute access for LangGraph 1.0+ (#730) (#731)

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* Update uv.lock to sync with pyproject.toml

* fix: update Interrupt object attribute access for LangGraph 1.0+ (#730)

The Interrupt class in LangGraph 1.0 no longer has the 'ns' attribute.
This change updates _create_interrupt_event() to use the new 'id'
attribute instead, with a fallback to thread_id for compatibility.

Changes:
- Replace event_data["__interrupt__"][0].ns[0] with interrupt.id
- Use getattr() with fallback for backward compatibility
- Update debug log message from 'ns=' to 'id='
- Add unit tests for _create_interrupt_event function

* fix the unit test error and address review comment

---------

Co-authored-by: Willem Jiang <143703838+willem-bd@users.noreply.github.com>
This commit is contained in:
Willem Jiang
2025-12-02 11:16:00 +08:00
committed by GitHub
parent e1772d52a9
commit c36ab393f1
2 changed files with 105 additions and 6 deletions
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9
src/server/app.py
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@@ -308,13 +308,16 @@ def _create_event_stream_message(
def _create_interrupt_event(thread_id, event_data):
"""Create interrupt event."""
interrupt = event_data["__interrupt__"][0]
# Use the 'id' attribute (LangGraph 1.0+) instead of deprecated 'ns[0]'
interrupt_id = getattr(interrupt, "id", None) or thread_id
return _make_event(
"interrupt",
{
"thread_id": thread_id,
"id": event_data["__interrupt__"][0].ns[0],
"id": interrupt_id,
"role": "assistant",
"content": event_data["__interrupt__"][0].value,
"content": interrupt.value,
"finish_reason": "interrupt",
"options": [
{"text": "Edit plan", "value": "edit_plan"},
@@ -461,7 +464,7 @@ async def _stream_graph_events(
if "__interrupt__" in event_data:
logger.debug(
f"[{safe_thread_id}] Processing interrupt event: "
f"ns={getattr(event_data['__interrupt__'][0], 'ns', 'unknown') if isinstance(event_data['__interrupt__'], (list, tuple)) and len(event_data['__interrupt__']) > 0 else 'unknown'}, "
f"id={getattr(event_data['__interrupt__'][0], 'id', 'unknown') if isinstance(event_data['__interrupt__'], (list, tuple)) and len(event_data['__interrupt__']) > 0 else 'unknown'}, "
f"value_len={len(getattr(event_data['__interrupt__'][0], 'value', '')) if isinstance(event_data['__interrupt__'], (list, tuple)) and len(event_data['__interrupt__']) > 0 and hasattr(event_data['__interrupt__'][0], 'value') and hasattr(event_data['__interrupt__'][0].value, '__len__') else 'unknown'}"
)
yield _create_interrupt_event(thread_id, event_data)