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21 lines
603 B
Python
21 lines
603 B
Python
"""A tracer that collects all nested runs in a list."""
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from typing import Any, List
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from langchain.callbacks.tracers.base import BaseTracer
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from langchain.callbacks.tracers.schemas import Run
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class RunCollectorCallbackHandler(BaseTracer):
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"""A tracer that collects all nested runs in a list.
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Useful for inspection and for evaluation."""
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name = "run-collector_callback_handler"
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def __init__(self, **kwargs: Any) -> None:
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super().__init__(**kwargs)
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self.traced_runs: List[Run] = []
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def _persist_run(self, run: Run) -> None:
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self.traced_runs.append(run)
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