# Copyright (c) Meta Platforms, Inc. and affiliates. # All rights reserved. # # This source code is licensed under the BSD-style license found in the # LICENSE file in the root directory of this source tree. """ FastAPI application for the Pathology Env Environment. This module creates an HTTP server that exposes the PathologyEnvironment over HTTP and WebSocket endpoints, compatible with EnvClient. Endpoints: - POST /reset: Reset the environment - POST /step: Execute an action - GET /state: Get current environment state - GET /schema: Get action/observation schemas - WS /ws: WebSocket endpoint for persistent sessions Usage: # Development (with auto-reload): uvicorn server.app:app --reload --host 0.0.0.0 --port 8000 # Production: uvicorn server.app:app --host 0.0.0.0 --port 8000 --workers 4 # Or run directly: python -m server.app """ try: from openenv.core.env_server.http_server import create_app except Exception as e: # pragma: no cover raise ImportError( "openenv is required for the web interface. Install dependencies with '\n uv sync\n'" ) from e try: from ..models import PathologyAction, PathologyObservation from .pathology_env_environment import PathologyEnvironment except (ImportError, ModuleNotFoundError): from models import PathologyAction, PathologyObservation from server.pathology_env_environment import PathologyEnvironment # Create the app with web interface and README integration app = create_app( PathologyEnvironment, PathologyAction, PathologyObservation, env_name="pathology_env", max_concurrent_envs=1, # increase this number to allow more concurrent WebSocket sessions ) # Remove OpenEnv's default "/" redirect so our custom landing page takes priority app.routes[:] = [r for r in app.routes if not (hasattr(r, 'path') and r.path == '/' and hasattr(r, 'methods') and 'GET' in r.methods)] # Custom landing page at / — Gradio playground stays at /web/ @app.get("/", include_in_schema=False) async def root(): from fastapi.responses import HTMLResponse html = """ Blood Pathology LIMS Environment

🩸 Blood Pathology LIMS Environment

● Running

High-fidelity clinical pathology diagnostic environment. The agent interprets blood biomarker panels against context-adjusted reference ranges, cross-references medications for drug-lab interactions, and issues ICD-10–coded diagnostic reports.

🧪 Open Interactive Playground

Task Difficulty

Easy
3 variants
Medium
3 variants
Hard
2 variants

Baseline Scores

ModelEasyMediumHardAvg
Gemma-4-26B-A4B0.990.940.080.67
Gemma-4-31B0.990.940.300.74
Qwen 3.6 Plus0.990.510.990.83
MiniMax M2.70.990.940.330.75

API Endpoints

GET /healthHealth check
POST /stepExecute action
POST /resetStart new episode
GET /stateCurrent state
GET /schemaAction/observation schema

📄 Full Documentation (README)

""" return HTMLResponse(content=html) def main(host: str = "0.0.0.0", port: int = 8000): """ Entry point for direct execution via uv run or python -m. This function enables running the server without Docker: uv run --project . server uv run --project . server --port 8001 python -m pathology_env.server.app Args: host: Host address to bind to (default: "0.0.0.0") port: Port number to listen on (default: 8000) For production deployments, consider using uvicorn directly with multiple workers: uvicorn pathology_env.server.app:app --workers 4 """ import uvicorn uvicorn.run(app, host=host, port=port) if __name__ == '__main__': main()