Update app.py

app.py

@@ -2,37 +2,24 @@ import gradio as gr
 import time
 import shutil
 
-def f(prompt, duration):
-    """
-    Simulates video generation for testing UI and API.
-    Clamps duration between 1 and 8 seconds.
-    Returns a placeholder MP4 file.
-    """
-    if duration < 1:
-        duration = 1
-    elif duration > 8:
-        duration = 8
-
-    print(f"Generating video for prompt: '{prompt}' with duration {duration}s")
-    
+def generate_video(prompt, duration):
+    duration = max(1, min(duration, 8))
     time.sleep(1)
-    
     placeholder_video = "placeholder.mp4"
     output_path = "output.mp4"
     shutil.copyfile(placeholder_video, output_path)
-    
     return output_path
 
 with gr.Blocks() as demo:
-    gr.Markdown("""
-## Wan 2.2 Video Generator (Local Test Placeholder)
-""")
-    
+    gr.Markdown("## Wan 2.2 Video Generator (Local Test Placeholder)")
+
     prompt_input = gr.Textbox(label="Prompt", placeholder="Describe your scene")
     duration_input = gr.Slider(label="Duration (sec)", minimum=1, maximum=8, step=1, value=6)
     submit_btn = gr.Button("Generate Video")
     output_video = gr.Video(label="Generated Video")
     
-    submit_btn.click(f, inputs=[prompt_input, duration_input], outputs=output_video)
+    submit_btn.click(lambda prompt, duration: generate_video(prompt, duration), 
+                     inputs=[prompt_input, duration_input], 
+                     outputs=output_video)
 
 demo.launch()