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chore: log warning if users don't use json schema for FunctionDeclaration.from_callable or FunctionDeclaration.from_callable_with_api_option. Fixes #3105 #3175

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copybara-service merged 1 commit into from
Oct 23, 2026
+11 −0
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chore: log warning if users don't use json schema for FunctionDeclaration.from_callable or FunctionDeclaration.from_callable_with_api_option. Fixes #3105 #3175

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11 changes: 11 additions & 0 deletions google/genai/types.py
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,7 @@ def __getattr__(name: str) -> Any:
_response_code_execution_warning_logged = False
_live_server_text_warning_logged = False
_live_server_data_warning_logged = False
_from_callable_with_api_option_warning_logged = False


T = typing.TypeVar('T', bound='GenerateContentResponse')
Expand Down Expand Up @@ -4914,6 +4915,16 @@ def from_callable_with_api_option(
f'Unsupported api_option value: {api_option}. Supported api_option'
f' value is one of: {supported_api_options}.'
)
global _from_callable_with_api_option_warning_logged
if (
not use_json_schema
and not _from_callable_with_api_option_warning_logged
):
logger.warning(
'use_json_schema is not True, which is not recommended. Parsing a'
' callable into JSON schema is preferred.'
)
_from_callable_with_api_option_warning_logged = True
from . import _automatic_function_calling_util

if use_json_schema:
Expand Down
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