app.py

import gradio as gr
from gradio_client import Client
import os

# --- CONFIGURATION ---
TARGET_SPACE = "magnetoid/tencent-HunyuanVideo" 
HF_TOKEN = os.getenv("HF_TOKEN") 

def generate_video(prompt, duration):
    # Connect to the external space
    client = Client(TARGET_SPACE)

    
    try:
        print(f"Sending request to {TARGET_SPACE}...")
        
        # Call the API
        result = client.predict(
            prompt=prompt,
            video_length=int(duration),
            width=1280,
            height=720,
            infer_steps=30,
            fps=24,
            api_name="/predict"
        )
        
        # Return the video file path
        return result[0] if isinstance(result, (list, tuple)) else result
        
    except Exception as e:
        return f"Error: {str(e)}\n\nTip: The host space might be busy. Try changing TARGET_SPACE to 'tencent/HunyuanVideo'."

# --- SIMPLIFIED UI (No Theme) ---
# We removed "theme=..." to fix your error
with gr.Blocks() as demo:
    gr.Markdown("# 🕷️ Sora 2 'Parasite' Generator")
    gr.Markdown(f"Connected to external GPU host: `{TARGET_SPACE}`")
    
    with gr.Row():
        with gr.Column():
            prompt = gr.Textbox(label="Prompt", placeholder="A cinematic drone shot of a futuristic city...")
            duration = gr.Slider(minimum=65, maximum=129, value=85, step=1, label="Frame Length")
            btn = gr.Button("Generate", variant="primary")
        
        with gr.Column():
            output_video = gr.Video(label="Result")
    
    btn.click(fn=generate_video, inputs=[prompt, duration], outputs=output_video)

demo.queue().launch()