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| import qrcode | |
| import cv2 | |
| from PIL import Image | |
| import gradio as gr | |
| import tempfile | |
| import numpy as np | |
| # Function to generate a QR code | |
| def generate_qr(data): | |
| qr = qrcode.QRCode( | |
| version=1, | |
| error_correction=qrcode.constants.ERROR_CORRECT_L, | |
| box_size=10, | |
| border=4, | |
| ) | |
| qr.add_data(data) | |
| qr.make(fit=True) | |
| img = qr.make_image(fill="black", back_color="white") | |
| # Save to a temporary file | |
| temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png") | |
| img.save(temp_file.name, format="PNG") | |
| temp_file.close() # Ensure file is written to disk | |
| return temp_file.name, img # Return the file path and the image | |
| # Function to read a QR code | |
| def read_qr(img): | |
| # Convert PIL image to a NumPy array | |
| img = np.array(img) | |
| # Convert RGB to BGR as OpenCV expects | |
| if img.ndim == 3: | |
| img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR) | |
| # Initialize OpenCV QR code detector | |
| detector = cv2.QRCodeDetector() | |
| data, _, _ = detector.detectAndDecode(img) | |
| return data if data else "No QR code found." | |
| # Function for generating QR codes with both image and download link | |
| def generate_qr_interface(data): | |
| qr_file, qr_image = generate_qr(data) | |
| return qr_image, qr_file # Return the image and file for download | |
| # Function for reading QR codes with decoded text and clipboard update | |
| def read_qr_interface(img): | |
| decoded_data = read_qr(img) | |
| return decoded_data # Return the decoded text | |
| # Clipboard copy callback | |
| def copy_to_clipboard(decoded_text): | |
| # Gradio does not support direct clipboard copy; simulate success message | |
| return f"Copied: {decoded_text}" if decoded_text else "Nothing to copy!" | |
| # Create Gradio Interface | |
| def create_gradio_interface(): | |
| # QR Code Generator Tab | |
| generate_interface = gr.Interface( | |
| fn=generate_qr_interface, | |
| inputs=gr.Textbox(placeholder="Enter text or URL here...", label="Data to Encode"), | |
| outputs=[ | |
| gr.Image(label="Generated QR Code"), # Display the image | |
| gr.File(label="Download QR Code"), # Provide a download link | |
| ], | |
| title="Generate QR Code", | |
| description="Quickly create a QR code from any text or URL.", | |
| ) | |
| # QR Code Reader Tab | |
| with gr.Blocks() as read_interface: | |
| gr.Markdown("### Read QR Code") | |
| with gr.Row(): | |
| qr_input = gr.Image(type="pil", label="Upload QR Code Image") | |
| qr_text = gr.Textbox(label="Decoded Data", interactive=False) | |
| copy_button = gr.Button("Copy to Clipboard") | |
| copy_feedback = gr.Textbox(label="Clipboard Status", interactive=False) | |
| # Define interactions | |
| qr_input.change(read_qr_interface, inputs=qr_input, outputs=qr_text) | |
| copy_button.click(copy_to_clipboard, inputs=qr_text, outputs=copy_feedback) | |
| # Main interface with tabs | |
| with gr.Blocks() as demo: | |
| gr.Markdown("# QR Code Tool: Generate and Decode with Ease") | |
| with gr.Tab("Generate QR Code"): | |
| generate_interface.render() | |
| with gr.Tab("Read QR Code"): | |
| read_interface.render() | |
| # Launch the interface | |
| demo.launch(share=True) | |
| # Run the Gradio app | |
| create_gradio_interface() | |