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16bd852 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | # 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 Cloud Queue Env Environment.
This module creates an HTTP server that exposes the CloudQueueEnvironment
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 CloudQueueAction, CloudQueueObservation
from .cloud_queue_env_environment import CloudQueueEnvironment
except ImportError:
from models import CloudQueueAction, CloudQueueObservation
from server.cloud_queue_env_environment import CloudQueueEnvironment
# Create the app with web interface and README integration
app = create_app(
CloudQueueEnvironment,
CloudQueueAction,
CloudQueueObservation,
env_name="cloud_queue_env",
max_concurrent_envs=1, # increase this number to allow more concurrent WebSocket sessions
)
def main(host: str = "0.0.0.0", port: int = 8000) -> None:
"""
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 cloud_queue_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 cloud_queue_env.server.app:app --workers 4
"""
import uvicorn
uvicorn.run(app, host=host, port=port)
def _cli_main() -> None:
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("--port", type=int, default=8000)
parser.add_argument("--host", type=str, default="0.0.0.0")
args = parser.parse_args()
main(host=args.host, port=args.port)
if __name__ == '__main__':
main()
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