Generate a QR code with a logo

qr_gen.py

# Import required libraries again after the environment reset
from PIL import Image
import qrcode

qr_data = "https://my-site.com"
new_logo_path = "~/Projects/qr/logo.png"
new_qr_image_path = "~/Projects/qr/qr_code_with_logo.png"
logo_size = 80  # Adjust the size if necessary

# Load the new logo image
new_logo = Image.open(new_logo_path)

# Resize the new logo to fit inside the QR code
new_logo = new_logo.resize((logo_size, logo_size))

# Convert the new logo to have an alpha channel (transparency)
new_logo = new_logo.convert("RGBA")

# Create a mask from the alpha channel for transparency
new_logo_mask = new_logo.split()[3]

# Re-generate the QR code
qr = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_H)
qr.add_data(qr_data)
qr.make()

# Create the QR code image
qr_image = qr.make_image(fill="black", back_color="white").convert("RGB")

# Get the dimensions of the QR code
qr_width, qr_height = qr_image.size
logo_position = ((qr_width - logo_size) // 2, (qr_height - logo_size) // 2)

# Paste the new logo with transparency onto the QR code
qr_image_with_new_logo = qr_image.copy()
qr_image_with_new_logo.paste(new_logo, logo_position, mask=new_logo_mask)

# Save the result
qr_image_with_new_logo.save(new_qr_image_path)

new_qr_image_path