Create app.py

app.py

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+import gradio as gr
+import subprocess
+import os
+
+# Install yt-dlp (this runs once when the space starts)
+subprocess.run(["pip", "install", "yt-dlp"], check=True)
+
+import yt_dlp
+
+def download_video(url, output_format):
+    try:
+        ydl_opts = {
+            'format': output_format or 'best',
+            'outtmpl': '/tmp/%(title)s.%(ext)s',
+        }
+        
+        with yt_dlp.YoutubeDL(ydl_opts) as ydl:
+            info = ydl.extract_info(url, download=True)
+            filename = ydl.prepare_filename(info)
+            return f"✓ Downloaded: {info['title']}", filename
+    
+    except Exception as e:
+        return f"✗ Error: {str(e)}", None
+
+# Create Gradio interface
+with gr.Blocks() as demo:
+    gr.Markdown("# YouTube Downloader with yt-dlp")
+    
+    with gr.Row():
+        url_input = gr.Textbox(label="Video URL", placeholder="https://www.youtube.com/watch?v=...")
+        format_input = gr.Textbox(label="Format (optional)", placeholder="best, worst, 18, etc.")
+    
+    download_btn = gr.Button("Download", variant="primary")
+    output_text = gr.Textbox(label="Status", interactive=False)
+    output_file = gr.File(label="Downloaded File")
+    
+    download_btn.click(
+        fn=download_video,
+        inputs=[url_input, format_input],
+        outputs=[output_text, output_file]
+    )
+
+demo.launch()