Create app.py

app.py

@@ -1,6 +1,9 @@
 import gradio as gr
 import numpy as np
-import time
+import tempfile
+import shutil
+import os
+from zipfile import ZipFile
 
 def sepia(input_img, num_copies):
     sepia_filter = np.array([
@@ -8,21 +11,35 @@ def sepia(input_img, num_copies):
         [0.349, 0.686, 0.168], 
         [0.272, 0.534, 0.131]
     ])
-    # Normalize input image to 0-1 range
     input_img = input_img / 255.0
-    sepia_img = np.dot(input_img[...,:3], sepia_filter.T)
-    sepia_img = np.clip(sepia_img, 0, 1)
-    
-    # Iterate to yield multiple sepia images
-    for _ in range(num_copies):
-        # Simulating a delay for demonstration, you might not need this
-        time.sleep(1)
-        yield (sepia_img * 255).astype(np.uint8)
+    sepia_img = np.dot(input_img[..., :3], sepia_filter.T)
+    sepia_img = np.clip(sepia_img, 0, 1) * 255
+    sepia_imgs = [(sepia_img).astype(np.uint8) for _ in range(num_copies)]
+    return sepia_imgs
+
+def zip_sepia_images(sepia_imgs):
+    temp_dir = tempfile.mkdtemp()
+    zip_path = os.path.join(temp_dir, "sepia_images.zip")
+    with ZipFile(zip_path, 'w') as zipf:
+        for i, img in enumerate(sepia_imgs):
+            img_path = os.path.join(temp_dir, f"sepia_image_{i}.png")
+            gr.utils.save_image(img_path, img)
+            zipf.write(img_path, os.path.basename(img_path))
+    return zip_path
 
-demo = gr.Interface(fn=sepia,
-                    inputs=[gr.Image(), gr.Number()],
-                    outputs="image",
-                    title="Sepia Tone Generator")
+with gr.Blocks() as demo:
+    with gr.Row():
+        input_img = gr.Image()
+        num_copies = gr.Number(label="Number of Copies", value=1)
+        gallery = gr.Gallery(label="Sepia Images")
+        download_btn = gr.File(label="Download ZIP", visible=False)
+        
+    input_img.change(fn=lambda x: x, inputs=input_img, outputs=gallery)
+    num_copies.change(fn=lambda x: x, inputs=num_copies, outputs=gallery)
+    
+    generate_btn = gr.Button("Generate Sepia Images")
+    generate_btn.click(fn=sepia, inputs=[input_img, num_copies], outputs=gallery)
+    generate_btn.click(fn=zip_sepia_images, inputs=gallery, outputs=download_btn)
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()