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"""Entry point for Hugging Face Spaces deployment.
This module provides the entry point for deploying the stroke-deepisles-demo
application to Hugging Face Spaces. It handles environment detection and
configures Gradio appropriately for the deployment environment.
See:
- docs/specs/07-hf-spaces-deployment.md
- https://huggingface.co/docs/hub/spaces-sdks-docker
"""
from pathlib import Path
import gradio as gr
# CRITICAL: Allow direct file serving for local assets (niivue.js)
# This fixes the P0 "Loading..." bug on HF Spaces (Issue #11649)
# Must be called BEFORE creating any Blocks
_ASSETS_DIR = Path(__file__).parent / "src" / "stroke_deepisles_demo" / "ui" / "assets"
gr.set_static_paths(paths=[str(_ASSETS_DIR)])
from stroke_deepisles_demo.core.config import get_settings # noqa: E402
from stroke_deepisles_demo.core.logging import setup_logging # noqa: E402
from stroke_deepisles_demo.ui.app import get_demo # noqa: E402
from stroke_deepisles_demo.ui.viewer import get_niivue_loader_path # noqa: E402
# Initialize logging
settings = get_settings()
setup_logging(settings.log_level, format_style=settings.log_format)
# Create the demo instance at module level for Gradio
demo = get_demo()
if __name__ == "__main__":
# Launch configuration
# - server_name: 0.0.0.0 required for HF Spaces (Docker)
# - server_port: 7860 is HF Spaces default
# - theme: Gradio 6 uses launch() for theme
# - css: Hide footer for cleaner look
# Generate the NiiVue loader HTML file (creates if needed)
niivue_loader = get_niivue_loader_path()
demo.launch(
server_name=settings.gradio_server_name,
server_port=settings.gradio_server_port,
share=settings.gradio_share,
theme=gr.themes.Soft(),
css="footer {visibility: hidden}",
allowed_paths=[str(_ASSETS_DIR)],
head_paths=[str(niivue_loader)], # Official Gradio approach (Issue #11649)
)
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