Delete test1.py
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test1.py
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import gradio as gr
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.llms import HuggingFaceHub
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from langchain.embeddings import HuggingFaceEmbeddings
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from langchain.vectorstores import Chroma
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from langchain.chains import RetrievalQA
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from langchain.document_loaders import PyMuPDFLoader
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import os
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os.environ["HUGGINGFACEHUB_API_TOKEN"] = "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"
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def load_doc(pdf_doc):
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loader = PyMuPDFLoader(pdf_doc.name)
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documents = loader.load()
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embedding = HuggingFaceEmbeddings()
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text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=200)
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text = text_splitter.split_documents(documents)
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db = Chroma.from_documents(text, embedding)
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llm = HuggingFaceHub(repo_id="OpenAssistant/oasst-sft-1-pythia-12b", model_kwargs={"temperature": 1.0, "max_length": 256})
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global chain
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chain = RetrievalQA.from_chain_type(llm=llm,chain_type="stuff",retriever=db.as_retriever())
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return 'Document has successfully been loaded'
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def answer_query(query):
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question = query
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return chain.run(question)
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html = """
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<div style="text-align:center; max width: 700px;">
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<h1>ChatPDF</h1>
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<p> Upload a PDF File, then click on Load PDF File <br>
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Once the document has been loaded you can begin chatting with the PDF =)
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</div>"""
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css = """container{max-width:700px; margin-left:auto; margin-right:auto,padding:20px}"""
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with gr.Blocks(css=css,theme=gr.themes.Monochrome()) as demo:
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gr.HTML(html)
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with gr.Column():
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gr.Markdown('ChatPDF')
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pdf_doc = gr.File(label="Load a pdf",file_types=['.pdf','.docx'],type='file')
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with gr.Row():
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load_pdf = gr.Button('Load pdf file')
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status = gr.Textbox(label="Status",placeholder='',interactive=False)
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with gr.Row():
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input = gr.Textbox(label="type in your question")
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output = gr.Textbox(label="output")
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submit_query = gr.Button("submit")
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load_pdf.click(load_doc,inputs=pdf_doc,outputs=status)
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submit_query.click(answer_query,input,output)
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demo.launch()
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