Update app.py

app.py

@@ -1,13 +1,8 @@
-import qrcode
-import cv2
-from PIL import Image
 import gradio as gr
 import tempfile
-import numpy as np
-import os
+import qrcode
 
-# Function to generate a QR code
-def generate_qr(data):
+def generate_qr(data: str) -> tuple:
     qr = qrcode.QRCode(
         version=1,
         error_correction=qrcode.constants.ERROR_CORRECT_L,
@@ -18,50 +13,37 @@ def generate_qr(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 PIL image
 
-
-# Function to read a QR code
-def read_qr(img):
-    # Convert PIL image to a NumPy array
+def read_qr(img: Image.Image) -> str:
     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."
 
-
-# Gradio Interface
 def create_gradio_interface():
-    # QR Code Generator with Display and Downloadable Link
-    def generate_qr_interface(data):
-        _, qr_image = generate_qr(data)  # Only need the PIL image
-        return qr_image  # Show image
+    def generate_qr_interface(data: str):
+        qr_file, qr_image = generate_qr(data)
+        return qr_image, qr_file  # Show image and provide download link
 
-    # QR Code Reader with Copy-to-Clipboard Button
-    def read_qr_interface(img):
+    def read_qr_interface(img: Image.Image):
         decoded_data = read_qr(img)
         return decoded_data  # Return decoded text
 
-    # 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"),  # Only show the image
+        outputs=[
+            gr.Image(label="Generated QR Code"),  # Display the QR code image
+            gr.File(label="Download QR Code"),    # Downloadable link for the QR code file
+        ],
         title="Generate QR Code",
         description="Quickly create a QR code from any text or URL.",
     )
 
-    # QR Code Reader Tab
     read_interface = gr.Interface(
         fn=read_qr_interface,
         inputs=gr.Image(type="pil", label="Upload QR Code Image"),
@@ -70,24 +52,21 @@ def create_gradio_interface():
         description="Upload an image with a QR code to decode the embedded data.",
     )
 
-    # Clipboard Functionality for "Read QR Code" Tab
     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"):
-            qr_text = gr.Textbox(label="Decoded Data")  # Single box for decoded data
-            copy_button = gr.Button("Copy to Clipboard")
-            read_interface.render()  # Corrected placement
+            with gr.Row():
+                qr_text = gr.Textbox(label="Decoded Data")  # Single box for decoded data
+                copy_button = gr.Button("Copy to Clipboard")
+            read_interface.render()
             copy_button.click(
-                None,
+                lambda text: gr.Textbox.update(value="Copied to Clipboard!"),
+                qr_text,
                 qr_text,
-                None,
-                _js="() => {navigator.clipboard.writeText(document.querySelector('input[type=text]').value); return 'Copied to Clipboard!'}"
             )
 
     demo.launch(share=True)
 
-
-# Run the Gradio interface
 create_gradio_interface()