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# 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 Snake Environment.
This module creates an HTTP server that exposes the SnakeEnvironment
over HTTP endpoints, making it compatible with HTTPEnvClient.
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:
uv run --project . server
"""
# Support both in-repo and standalone imports
# In-repo imports (when running from OpenEnv repository)
# Standalone imports (when environment is standalone with openenv-core from pip)
from core.env_server.http_server import create_app
from envs.snake_env import SnakeAction, SnakeObservation
from snake_environment import SnakeEnvironment
# Create the environment instance
env = SnakeEnvironment()
# Create the app with web interface and README integration
app = create_app(env, SnakeAction, SnakeObservation, env_name="snake_env")
def main():
"""
Entry point for direct execution via uv run or python -m.
This function enables running the server without Docker:
uv run --project . server
python -m envs.snake_env.server.app
openenv serve snake_env
"""
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)
if __name__ == "__main__":
main()
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