app.py

import os
import sys

import gradio as gr

HERE = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, HERE)

from nodes import choreograph, perform, transcribe  # noqa: E402

# Pull the MJCF, meshes and policies during boot (~10 MB, ~45 s cold) so the
# first visitor's run doesn't pay for it. Non-fatal: the sim re-fetches lazily.
try:
    import duck
    duck.ensure_assets()
    print("microduck assets ready")
except Exception as e:
    print("microduck asset prefetch failed (" + type(e).__name__ + ": "
          + str(e) + "); will retry on first run")

demo = gr.Workflow(
    os.path.join(HERE, "workflow.json"),
    bind={"transcribe": transcribe, "choreograph": choreograph,
          "perform": perform},
)

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