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langgraph: add support for BaseModel updates to Command #2747

Merged
merged 10 commits into from
Jan 23, 2025
Merged

langgraph: add support for BaseModel updates to Command #2747

merged 10 commits into from
Jan 23, 2025

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larsenweigle
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@larsenweigle larsenweigle commented Dec 12, 2024 •
edited by vbarda
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Simple update that adds support for the update attribute of the Command class to support Pydantic BaseModel type.

LangGraph already supports Pydantic models for graph states.

Extending support to the update attribute allows users to pass custom BaseModel instances. Additionally, updates defined as BaseModel types are type-validated when created.

#2804

@larsenweigle
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tagging @nfcampos as a relevant maintainer

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larsenweigle commented Dec 13, 2024 •
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I was having a hard time finding the pr template mentioned here. Happy to make any additional changes to the pr as needed.

I also opened a discussion here

@vbarda vbarda mentioned this pull request Dec 16, 2024
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vbarda added a commit that referenced this pull request Dec 16, 2024
@vbarda
langgraph: relax type annotation for Command.update (#2777)
d2794ed 
Addresses #2758 , #2747
@larsenweigle larsenweigle changed the title update attribute of Command class supports BaseModel type update attribute of Command support for BaseModel type Dec 16, 2024
@vbarda vbarda marked this pull request as ready for review January 21, 2025 14:46
@vbarda vbarda changed the title update attribute of Command support for BaseModel type langgraph: add support for BaseModel updates to Command Jan 21, 2025
@vbarda vbarda merged commit 3955225 into langchain-ai:main Jan 23, 2025
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@nfcampos nfcampos nfcampos approved these changes

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@larsenweigle @nfcampos @vbarda