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Add _type to json functions output parser #11381

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merged 1 commit into from
Oct 4, 2023
Merged

Add _type to json functions output parser #11381

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6 changes: 5 additions & 1 deletion libs/langchain/langchain/output_parsers/openai_functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,10 @@ class JsonOutputFunctionsParser(BaseCumulativeTransformOutputParser[Any]):
args_only: bool = True
"""Whether to only return the arguments to the function call."""

@property
def _type(self) -> str:
return "json_functions"

def _diff(self, prev: Optional[Any], next: Any) -> Any:
return jsonpatch.make_patch(prev, next).patch

Expand Down Expand Up @@ -127,7 +131,7 @@ class JsonKeyOutputFunctionsParser(JsonOutputFunctionsParser):

def parse_result(self, result: List[Generation], *, partial: bool = False) -> Any:
res = super().parse_result(result)
return res[self.key_name]
return res.get(self.key_name) if partial else res[self.key_name]


class PydanticOutputFunctionsParser(OutputFunctionsParser):
Expand Down