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Support NativeOutput with FunctionModel #2843

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Merged
merged 2 commits into from
Sep 9, 2025
Merged

Support NativeOutput with FunctionModel #2843

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a9b45b6
Support NativeOutput in FunctionModel by default
claude[bot] Sep 9, 2025
d1ec212
Remove redundant test file
claude[bot] Sep 9, 2025
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8 changes: 7 additions & 1 deletion pydantic_ai_slim/pydantic_ai/models/function.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
UserContent,
UserPromptPart,
)
from ..profiles import ModelProfileSpec
from ..profiles import ModelProfile, ModelProfileSpec
from ..settings import ModelSettings
from ..tools import ToolDefinition
from . import Model, ModelRequestParameters, StreamedResponse
Expand Down Expand Up @@ -111,6 +111,12 @@ def __init__(
stream_function_name = self.stream_function.__name__ if self.stream_function is not None else ''
self._model_name = model_name or f'function:{function_name}:{stream_function_name}'

# Use a default profile that supports JSON schema and object output if none provided
if profile is None:
profile = ModelProfile(
supports_json_schema_output=True,
supports_json_object_output=True,
)
super().__init__(settings=settings, profile=profile)

async def request(
Expand Down
2 changes: 1 addition & 1 deletion tests/test_agent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1557,7 +1557,7 @@ def return_city_location(messages: list[ModelMessage], _info: AgentInfo) -> Mode
text = '{"city": "Mexico City", "country": "Mexico"}'
return ModelResponse(parts=[TextPart(content=text)])

m = FunctionModel(return_city_location, profile=ModelProfile(supports_json_schema_output=True))
m = FunctionModel(return_city_location)

class CityLocation(BaseModel):
city: str
Expand Down