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langchain[patch]: deprecate various chains (#25310)

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- [x] NatbotChain: move to community, deprecate langchain version.
Update to use `prompt | llm | output_parser` instead of LLMChain.
- [x] LLMMathChain: deprecate + add langgraph replacement example to API
ref
- [x] HypotheticalDocumentEmbedder (retriever): update to use `prompt |
llm | output_parser` instead of LLMChain
- [x] FlareChain: update to use `prompt | llm | output_parser` instead
of LLMChain
- [x] ConstitutionalChain: deprecate + add langgraph replacement example
to API ref
- [x] LLMChainExtractor (document compressor): update to use `prompt |
llm | output_parser` instead of LLMChain
- [x] LLMChainFilter (document compressor): update to use `prompt | llm
| output_parser` instead of LLMChain
- [x] RePhraseQueryRetriever (retriever): update to use `prompt | llm |
output_parser` instead of LLMChain
This commit is contained in:
ccurme
2024-08-15 10:49:26 -04:00
committed by GitHub
parent 66e30efa61
commit 8afbab4cf6
19 changed files with 1166 additions and 126 deletions
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8
libs/community/tests/integration_tests/retrievers/document_compressors/test_chain_extract.py
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@@ -6,14 +6,6 @@ from langchain_core.documents import Document
from langchain_community.chat_models import ChatOpenAI
def test_llm_construction_with_kwargs() -> None:
llm_chain_kwargs = {"verbose": True}
compressor = LLMChainExtractor.from_llm(
ChatOpenAI(), llm_chain_kwargs=llm_chain_kwargs
)
assert compressor.llm_chain.verbose is True
def test_llm_chain_extractor() -> None:
texts = [
"The Roman Empire followed the Roman Republic.",