1 安装Ollama和Embedding模型#
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| sudo pacman -S ollama
systemctl start ollama.service
ollama pull mofanke/acge_text_embedding
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2 创建对应python环境#
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| conda create -n RAGLLM
pip install -U langchain_community tiktoken langchain-openai langchainhub chromadb langchain
pip install sentence-transformers
pip install huggingface_hub
pip install ipywidgets
pip install unstructured
pip install sentencepiece
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3 编写第一个RAG程序#
参考链接：https://github.com/langchain-ai/rag-from-scratch/blob/main/rag_from_scratch_1_to_4.ipynb
汉化版本链接：https://techdiylife.github.io/blog/topic.html?category2=t07&blogid=0050
对于LangChain调用第三方API的方法：
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| from langchain import OpenAI
llm=OpenAI(
temperature=0.7,
openai_api_key='sk-cXdcebxeIfU9f4tG7e558fF96c35419bB3D66f4e196e8128',
openai_api_base='https://api.bianxieai.com/v1'
)
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第三方API使用：