app.py

import spaces
import gradio as gr
from tabs.FACS_analysis import create_facs_analysis_tab
from ui_components import CUSTOM_CSS, HEADER_HTML, DISCLAIMER_HTML

# Move load_example to a global scope
def load_example():
    pass  # Your logic here

# Define the tab structure
TAB_STRUCTURE = [
    ("Visual Analysis", [
        ("FACS for Stress, Anxiety, Depression", create_facs_analysis_tab),
    ])
]

@spaces.GPU(duration=120)
def create_demo():
    # Import model-related functions here to ensure spaces is imported first
    from app.model import load_models

    # Load models outside of the Gradio blocks
    pth_model_static, pth_model_dynamic, cam = load_models()

    with gr.Blocks(css=CUSTOM_CSS) as demo:
        gr.Markdown(HEADER_HTML)
        with gr.Tabs(elem_classes=["main-tab"]):
            for main_tab, sub_tabs in TAB_STRUCTURE:
                with gr.Tab(main_tab):
                    with gr.Tabs():
                        for sub_tab, create_fn in sub_tabs:
                            with gr.Tab(sub_tab):
                                create_fn(pth_model_static, pth_model_dynamic, cam)
        gr.HTML(DISCLAIMER_HTML)

    return demo

# Create the demo instance
demo = create_demo()

if __name__ == "__main__":
    demo.launch()