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Langchain modular support #5014

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Langchain modular support #5014

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901393a
support modular langchain as well
np-n Feb 25, 2026
b39f430
fix
np-n Feb 25, 2026
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16 changes: 13 additions & 3 deletions paddlex/inference/pipelines/components/retriever/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,13 +21,23 @@
from .....utils.deps import class_requires_deps, is_dep_available
from .....utils.subclass_register import AutoRegisterABCMetaClass

if is_dep_available("langchain"):
from langchain.docstore.document import Document
from langchain.text_splitter import RecursiveCharacterTextSplitter

if is_dep_available("langchain-community"):
from langchain_community import vectorstores
from langchain_community.vectorstores import FAISS

# Document import capability
try:
from langchain_core.documents import Document
except ImportError:
from langchain.docstore.document import Document

# Text splitter compatibility
try:
from langchain_text_splitters import RecursiveCharacterTextSplitter
except ImportError:
from langchain.text_splitter import RecursiveCharacterTextSplitter


@class_requires_deps("langchain", "langchain-community")
class BaseRetriever(ABC, metaclass=AutoRegisterABCMetaClass):
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7 changes: 4 additions & 3 deletions setup.py
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Expand Up @@ -40,10 +40,11 @@
"jieba": "",
"Jinja2": "",
"joblib": "",
"langchain": ">= 0.2, < 1.0",
"langchain-community": ">= 0.2, < 1.0",
"langchain": ">= 0.2",
"langchain-community": ">= 0.2",
"langchain-core": "",
"langchain-openai": ">= 0.1, < 1.0",
"langchain-openai": ">= 0.1",
"langchain_text_splitters": "",
"lxml": "",
"matplotlib": "",
"modelscope": ">=1.28.0",
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