VedankPurohit:fix/core-pydantic-tool-description-31808 - Branch - langchain-ai/langchain

fix(core): Pydantic nested model field descriptions in tool schema generation (#31808)

#31826

Comparing

VedankPurohit:fix/core-pydantic-tool-description-31808

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4ea61a5

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master

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+11%

Improvements: 1

Untouched: 12

Skipped: 21

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Benchmarks

Skipped (21)

Improved

test_import_time[InMemoryVectorStore]

libs/core/tests/benchmarks/test_imports.py

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682.8 ms612.8 ms

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test_import_time[RunnableLambda]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[LangChainTracer]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[Runnable]

libs/core/tests/benchmarks/test_imports.py

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test_async_callbacks_in_sync

libs/core/tests/benchmarks/test_async_callbacks.py

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25.1 ms23.4 ms

test_import_time[Document]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[CallbackManager]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[HumanMessage]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[tool]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[PydanticOutputParser]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[BaseChatModel]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[ChatPromptTemplate]

libs/core/tests/benchmarks/test_imports.py

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test_import_time[InMemoryRateLimiter]

libs/core/tests/benchmarks/test_imports.py

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181.7 ms174.2 ms

Commits

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Base

master

557eddf

-3.4%

fix(core): add is_basemodel_subclass check for Pydantic v2 nested models

4c25638

1 day ago

by Tanmay-24

+3.2%

fix(core): preserve schema attributes when propagating nested model descriptions Only update the description field of nested model properties instead of replacing the entire property schema. This preserves important attributes like $ref, type, and required status. Also adds is_basemodel_subclass check for Pydantic v1 to match v2 behavior.

e5f7e84

1 day ago

by VedankPurohit

+11.63%

Merge branch 'master' into fix/core-pydantic-tool-description-31808

4ea61a5

10 hours ago

by VedankPurohit

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