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fix(openai): structured output (#32551)

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This commit is contained in:
Mason Daugherty
2025-09-09 11:37:50 -04:00
committed by GitHub
parent ee268db1c5
commit 4c6af2d1b2
2 changed files with 60 additions and 15 deletions
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27
libs/partners/openai/langchain_openai/chat_models/base.py
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@@ -3586,13 +3586,6 @@ def _construct_responses_api_payload(
# Structured output
if schema := payload.pop("response_format", None):
if payload.get("text"):
text = payload["text"]
raise ValueError(
"Can specify at most one of 'response_format' or 'text', received both:"
f"\n{schema=}\n{text=}"
)
# For pydantic + non-streaming case, we use responses.parse.
# Otherwise, we use responses.create.
strict = payload.pop("strict", None)
@@ -3605,7 +3598,10 @@ def _construct_responses_api_payload(
else:
schema_dict = schema
if schema_dict == {"type": "json_object"}: # JSON mode
payload["text"] = {"format": {"type": "json_object"}}
if "text" in payload and isinstance(payload["text"], dict):
payload["text"]["format"] = {"type": "json_object"}
else:
payload["text"] = {"format": {"type": "json_object"}}
elif (
(
response_format := _convert_to_openai_response_format(
@@ -3615,17 +3611,20 @@ def _construct_responses_api_payload(
and (isinstance(response_format, dict))
and (response_format["type"] == "json_schema")
):
payload["text"] = {
"format": {"type": "json_schema", **response_format["json_schema"]}
}
format_value = {"type": "json_schema", **response_format["json_schema"]}
if "text" in payload and isinstance(payload["text"], dict):
payload["text"]["format"] = format_value
else:
payload["text"] = {"format": format_value}
else:
pass
verbosity = payload.pop("verbosity", None)
if verbosity is not None:
if "text" not in payload:
payload["text"] = {"format": {"type": "text"}}
payload["text"]["verbosity"] = verbosity
if "text" in payload and isinstance(payload["text"], dict):
payload["text"]["verbosity"] = verbosity
else:
payload["text"] = {"verbosity": verbosity}
return payload