import gradio as gr
import PyPDF2

def extract_text_from_pdf(pdf_file):
    if pdf_file is None:
        return "Please upload a PDF file."
    
    reader = PyPDF2.PdfReader(pdf_file.name)
    text = ""
    for page in reader.pages:
        text += page.extract_text() + "\n"
    
    return text

with gr.Blocks() as demo:
    gr.Markdown("### PDF Chatbot 📄💬")
    pdf_input = gr.File(label="Upload your PDF")
    output_text = gr.Textbox(label="Extracted Text")
    
    pdf_input.change(fn=extract_text_from_pdf, inputs=pdf_input, outputs=output_text)

app.launch(share=True)