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facefusion-api/app/routers/system.py

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import logging
import os
import psutil
from fastapi import APIRouter
from app.schemas.system import GpuDevice, HealthResponse, SystemInfoResponse
from app.services import facefusion_bridge
logger = logging.getLogger(__name__)
router = APIRouter(prefix='/api/v1', tags=['system'])
@router.get('/health', response_model=HealthResponse)
async def health_check():
return HealthResponse()
@router.get('/system', response_model=SystemInfoResponse)
async def system_info():
providers = facefusion_bridge.get_execution_providers()
gpu_devices = _detect_gpu_devices()
mem = psutil.virtual_memory()
return SystemInfoResponse(
execution_providers=providers,
gpu_devices=gpu_devices,
cpu_count=os.cpu_count(),
memory_total=mem.total,
memory_available=mem.available,
)
def _detect_gpu_devices():
devices = []
try:
import subprocess
result = subprocess.run(
['nvidia-smi', '--query-gpu=index,name,memory.total,memory.used', '--format=csv,noheader,nounits'],
capture_output=True, text=True, timeout=5,
)
if result.returncode == 0:
for line in result.stdout.strip().split('\n'):
parts = [p.strip() for p in line.split(',')]
if len(parts) >= 4:
devices.append(GpuDevice(
id=int(parts[0]),
name=parts[1],
memory_total=int(float(parts[2])) * 1024 * 1024,
memory_used=int(float(parts[3])) * 1024 * 1024,
))
except (FileNotFoundError, subprocess.TimeoutExpired):
pass
return devices