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MANUAL: Update @pre_init decorator to work with pydantic 2

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This commit is contained in:
Eugene Yurtsev
2024-07-29 15:03:32 -04:00
parent 1d9fb23517
commit ffcb025567
1 changed files with 5 additions and 1 deletions
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6
libs/core/langchain_core/utils/pydantic.py
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@@ -52,9 +52,13 @@ def pre_init(func: Callable) -> Any:
if cls.Config.allow_population_by_field_name:
if field_info.alias in values:
values[name] = values.pop(field_info.alias)
if hasattr(cls, "model_config"):
if cls.model_config.get("populate_by_name"):
if field_info.alias in values:
values[name] = values.pop(field_info.alias)
if name not in values or values[name] is None:
if not field_info.required:
if not field_info.is_required():
if field_info.default_factory is not None:
values[name] = field_info.default_factory()
else: