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feat: improve input/output detection for traces in the langwatch integration #7067

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feat: improve input/output detection for traces in the langwatch integration #7067

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e990c11
improved detection of input/output text on trace
0xdeafcafe Mar 13, 2025
f045712
Merge branch 'main' into improve/langwatch-tracing-input-output-detec…
edwinjosechittilappilly Mar 17, 2025
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14 changes: 14 additions & 0 deletions src/backend/base/langflow/services/tracing/langwatch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,20 @@ def add_trace(
if "session_id" in inputs and inputs["session_id"] != self.flow_id:
self.trace.update(metadata=(self.trace.metadata or {}) | {"thread_id": inputs["session_id"]})

# If the trace inputs contain an input value, we may want to use this data to
# update the root trace span input/output. We only update the input/output if
# the root span still has an input/output that is None.
if "input_value" in inputs and inputs["input_value"] is not None and "sender" in inputs:
if inputs["sender"] == "User":
root_span = self._client.get_current_trace().root_span
if root_span.input is None:
self.trace.update(input=self._convert_to_langwatch_types(inputs))

if inputs["sender"] == "Machine":
root_span = self._client.get_current_trace().root_span
if root_span.output is None:
self.trace.update(output=self._convert_to_langwatch_types(inputs))

name_without_id = " (".join(trace_name.split(" (")[0:-1])

previous_nodes = (
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