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from prompt.prompt_load_qa_chain import prompt
from langchain.chains.question_answering import load_qa_chain
from langchain.document_loaders import PyPDFLoader
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain.vectorstores import Chroma
from langchain_google_genai import ChatGoogleGenerativeAI
model = ChatGoogleGenerativeAI(model="gemini-pro",
temperature=0.3)
def chat_with_docs_load_qa(pdf_loader):
pages = pdf_loader.load_and_split()
text_splitter = RecursiveCharacterTextSplitter(chunk_size=10000, chunk_overlap=0)
context = "nn".join(str(p.page_content) for p in pages)
texts = text_splitter.split_text(context)
embeddings = GoogleGenerativeAIEmbeddings(model="models/embedding-001")
vector_index = Chroma.from_texts(texts,embeddings,persist_directory='./testdb').as_retriever()
def get_answers_load_qa(question):
embeddings = GoogleGenerativeAIEmbeddings(model="models/embedding-001")
vector_index = Chroma(persist_directory="./testdb", embedding_function=embeddings)
retriever = vector_index.as_retriever()
docs = retriever.get_relevant_documents(question)
stuff_chain = load_qa_chain(model, chain_type="stuff", prompt=prompt)
stuff_answer = stuff_chain(
{"input_documents": docs, "question": question}, return_only_outputs=True
)
return stuff_answer
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