def text_retrieval_chain():
# main retrieval chain class
class RetrievalChain:
def __init__(self, llm, retriever):
self.chain = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=retriever)
def run(self, prompt):
response = self.chain(prompt)
return response['result']
# vectorstore
index_name = "testing"
vectorstore = Pinecone.from_existing_index(
index_name=index_name, namespace="test", embedding=embeddings
)
retriever = whitepaper_vectorstore.as_retriever(search_kwargs={"k": 4})
return RetrievalChain(llm=tool_llm, retriever=retriever)
Associated Context | |
---|---|
Type | Code Snippet ( .py ) |
Associated Tags | text_retrieval_chain main retrieval chain class RetrievalQA object run method prompt parameter response variable Pinecone from_existing_index function whitepaper_vectorstore as_retriever decorator tool_llm keyword Framework: Pinecone framework. text retrieval chain retrieval chain class main retrieval chain vectorstore Pinecone existing index namespace embeddings retriever search kwargs |
📝 Custom Description | Snippet saved via the Pieces Web Extension |
💡 Smart Description | The code snippet defines a class called "text_retrieval_chain" that implements the RetrievalQA interface. It also includes a run method to retrieve data from an existing index and returns its result as it's retriever using whitepaper The code snippet defines a function that creates a retrieval chain for text retrieval. It initializes a RetrievalChain object with a language model and a retriever, and then returns the RetrievalChain object. The retriever is created using a vectorstore and |
🔎 Suggested Searches | Python code for creating a text retrieval chain with Python |
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