Code Editor for app.py

import streamlit as st
import qrcode
import io

st.title('QR Code Generator')

# User input
user_input = st.text_input('Enter URL or text to generate QR code:')

if st.button('Generate QR Code'):
    if user_input:
        # Generate QR code
        qr = qrcode.QRCode(version=1, box_size=10, border=5)
        qr.add_data(user_input)
        qr.make(fit=True)
        img = qr.make_image(fill='black', back_color='white')

        # Save to a BytesIO object
        buf = io.BytesIO()
        img.save(buf, format="PNG")
        buf.seek(0)

        # Display QR code
        st.image(buf, caption='Your QR Code', use_column_width=True)

        # Download button
        st.download_button(
            label='Download QR Code',
            data=buf,
            file_name='qr_code.png',
            mime='image/png'
        )
    else:
        st.warning('Please enter some text or URL to generate a QR code.')