Spaces:
Runtime error
Runtime error
File size: 2,494 Bytes
2b0a298 92a96a7 2b0a298 06a82b5 2b0a298 e977a64 2b0a298 92a96a7 2b0a298 1d13553 de0c29d 06a82b5 11f2063 06a82b5 2b0a298 06a82b5 de0c29d 06a82b5 2b0a298 bb56ef0 06a82b5 2b0a298 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 |
import gradio as gr
import os
import time
from langchain.document_loaders import OnlinePDFLoader #for laoding the pdf
from langchain.embeddings import OpenAIEmbeddings # for creating embeddings
from langchain.vectorstores import Chroma # for the vectorization part
from langchain.chains import RetrievalQA # for conversing with chatGPT
from langchain.chat_models import ChatOpenAI # the LLM model we'll use (ChatGPT)
def load_pdf(pdf_doc, open_ai_key):
if openai_key is not None:
os.environ['OPENAI_API_KEY'] = open_ai_key
#Load the pdf file
loader = OnlinePDFLoader(pdf_doc.name)
pages = loader.load_and_split()
#Create an instance of OpenAIEmbeddings, which is responsible for generating embeddings for text
embeddings = OpenAIEmbeddings()
#To create a vector store, we use the Chroma class, which takes the documents (pages in our case), the embeddings instance, and a directory to store the vector data
vectordb = Chroma.from_documents(pages, embedding=embeddings)
#Finally, we create the bot using the RetrievalQAChain class
global pdf_qa
pdf_qa = RetrievalQA.from_chain_type(ChatOpenAI(temperature=0, model_name="gpt-4"), vectordb.as_retriever(), return_source_documents=False)
return "Ready"
else:
return "Please provide an OpenAI API key"
def answer_query(query):
question = query
return pdf_qa.run(question)
html = """
<div style="text-align:center; max width: 700px;">
<h1>ChatPDF</h1>
<p> Upload a PDF File, then click on Load PDF File <br>
Once the document has been loaded you can begin chatting with the PDF =)
</div>"""
css = """container{max-width:700px; margin-left:auto; margin-right:auto,padding:20px}"""
with gr.Blocks(css=css,theme=gr.themes.Monochrome()) as demo:
gr.HTML(html)
with gr.Column():
gr.Markdown('ChatPDF')
pdf_doc = gr.File(label="Load a pdf",file_types=['.pdf','.docx'],type='file')
with gr.Row():
load_pdf = gr.Button('Load pdf file')
status = gr.Textbox(label="Status",placeholder='',interactive=False)
with gr.Row():
input = gr.Textbox(label="Type in your question")
output = gr.Textbox(label="output")
submit_query = gr.Button("submit")
load_pdf.click(load_pdf,inputs=[pdf_doc, openai_key],outputs=status)
submit_query.click(answer_query,input,output)
demo.launch() |