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core: expose tool message recognized block types (#31787)

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ccurme 2025-06-30 11:19:34 -04:00 committed by GitHub
parent 428c276948
commit 46cef90f7b
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1 changed files with 2 additions and 1 deletions
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libs/core/langchain_core/tools/base.py
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@ -74,6 +74,7 @@ if TYPE_CHECKING:
from collections.abc import Sequence from collections.abc import Sequence
FILTERED_ARGS = ("run_manager", "callbacks") FILTERED_ARGS = ("run_manager", "callbacks")
TOOL_MESSAGE_BLOCK_TYPES = ("text", "image_url", "image", "json")
class SchemaAnnotationError(TypeError): class SchemaAnnotationError(TypeError):
@ -1189,7 +1190,7 @@ def _is_message_content_block(obj: Any) -> bool:
if isinstance(obj, str): if isinstance(obj, str):
return True return True
if isinstance(obj, dict): if isinstance(obj, dict):
return obj.get("type", None) in ("text", "image_url", "image", "json") return obj.get("type", None) in TOOL_MESSAGE_BLOCK_TYPES
return False return False