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75c7554 1fac18a 75c7554 c24a61e 75c7554 | 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 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | import os
import sys
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from fastapi.responses import FileResponse
# Ensure project root is on sys.path even if run from inside this directory
_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
if _ROOT not in sys.path:
sys.path.insert(0, _ROOT)
from openenv.models import ActionModel, ObservationModel, StepResult, ResetConfig
from server.env import BESSEnvironment
from backend.api.routes import router as api_router
# Setup paths and environment
_HERE = os.path.dirname(os.path.abspath(__file__))
_ROOT = os.path.abspath(os.path.join(_HERE, ".."))
frontend_dir = os.path.join(_ROOT, "frontend", "dist")
data_path = os.path.join(_ROOT, "data", "pjm_data.csv")
app = FastAPI(
title="PowerGrid RL Platform",
version="2.0.0",
description="OpenEnv simulation + React frontend API (SAC Agent)"
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Frontend API routes (/api/*)
app.include_router(api_router)
# Serve built frontend assets
if os.path.exists(os.path.join(frontend_dir, "assets")):
app.mount("/assets", StaticFiles(directory=os.path.join(frontend_dir, "assets")), name="assets")
@app.get("/{full_path:path}")
async def serve_frontend(full_path: str):
# 1. Check if the requested path is a specific file (e.g., favicon, robots.txt)
file_path = os.path.join(frontend_dir, full_path)
if full_path and os.path.isfile(file_path):
return FileResponse(file_path)
# 2. Otherwise, serve index.html for SPA routing
index_path = os.path.join(frontend_dir, "index.html")
if os.path.exists(index_path):
return FileResponse(index_path)
# 3. Fallback to API health check if frontend is missing
return {"status": "ok", "message": "BESS-RL Platform API is running"}
# Environment instance (shared across requests)
env = BESSEnvironment(data_path=data_path)
@app.post("/reset", response_model=ObservationModel)
def reset(config: ResetConfig = ResetConfig()):
try:
obs = env.reset(seed=config.seed, task=config.task)
return obs
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/step", response_model=StepResult)
def step(action: ActionModel):
try:
result = env.step(action)
return result
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/state", response_model=ObservationModel)
def state():
try:
return env._get_obs()
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/info")
def info():
return {
"task": env.task,
"max_steps": env.max_steps,
"current_step": env.current_step,
"soc": env.soc
}
def main():
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8000)))
if __name__ == "__main__":
main()
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