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Delete doc_qa_1.py
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doc_qa_1.py
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from langchain.vectorstores import FAISS
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.embeddings import HuggingFaceEmbeddings
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from langchain.text_splitter import CharacterTextSplitter
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from langchain.docstore.document import Document
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from transformers import pipeline
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from langchain.chains.question_answering import load_qa_chain
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import os
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# Step 1: Load QA pipeline (don't wrap in HuggingFacePipeline)
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embeddings = HuggingFaceEmbeddings(model_name="intfloat/multilingual-e5-small")
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qa_pipeline = pipeline("question-answering", model="deepset/xlm-roberta-base-squad2")
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multi_directory_path=r'tmp/'
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def docs_vector_index():
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from langchain.document_loaders import DirectoryLoader
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# Define a directory path
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directory_path = r"C:\Users\savni\PycharmProjects\DocsSearchEngine\tmp"
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# Create the DirectoryLoader, specifying loaders for each file type
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loader = DirectoryLoader(
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directory_path,
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glob="**/*", # This pattern loads all files; modify as needed
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)
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docs = loader.load()
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text_splitter = RecursiveCharacterTextSplitter(
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chunk_size=1024, chunk_overlap=100, separators=[" ", ",", "\n", "."]
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)
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print(docs)
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docs_chunks = text_splitter.split_documents(docs)
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print(f"docs_chunks length: {len(docs_chunks)}")
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print('********************docs_chunks',docs_chunks)
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if len(docs_chunks)>0:
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db = FAISS.from_documents(docs_chunks, embeddings)
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return db
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else:
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return ''
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def run_custom_qa(question, retrieved_docs):
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context = " ".join([doc.page_content for doc in retrieved_docs])
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output = qa_pipeline(question=question, context=context)
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return output #output["answer"]
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# # Step 6: Ask question
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# question = "鏉变含澶у銇亜銇よō绔嬨仌銈屻伨銇椼仧銇嬶紵"
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# relevant_docs = retriever.get_relevant_documents(question)
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# answer = run_custom_qa(question, relevant_docs)
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#
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# print("Answer:", answer)
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def doc_qa(query, db):
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print("*************************custom qa doc_qa",query)
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retriever = db.as_retriever()
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relevant_docs = retriever.get_relevant_documents(query)
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response=run_custom_qa(query, relevant_docs)
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print('response', response)
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return response
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