Revert "fix(settings): 补齐CUDA运行组件下载与安装入口"

This reverts commit c912409343.
This commit is contained in:
2026-09-05 02:02:26 +08:00
parent c912409343
commit f697364aaf
11 changed files with 3 additions and 284 deletions
-111
View File
@@ -1,111 +0,0 @@
"""User-triggered installation of the fixed optional CUDA runtime on Windows."""
import asyncio
import json
import os
import shutil
import subprocess
from app.config import BACKEND_DIR
from app.errors import ApiError
from app.local_models.process import ThreadedProcess
ROOT = BACKEND_DIR / '.venv-models-cuda'
state = {'status': 'unchecked', 'stage': '', 'cuda_available': None}
task = None
def ready():
return (ROOT / 'ready.json').is_file() and (ROOT / 'Scripts/python.exe').is_file()
async def status():
global task
if state['status'] == 'unchecked':
state.update(status='checking', stage='检查已有 CUDA 组件')
task = asyncio.create_task(run(False))
return {**state, 'supported': os.name == 'nt', 'custom_interpreter': bool(os.getenv('APP_MODEL_PYTHON'))}
async def install():
global task
from app.local_models.runtime import runtime
if os.name != 'nt':
raise ApiError(422, 'PLATFORM_UNSUPPORTED', '此安装入口目前支持 Windows。')
if task is not None and not task.done():
return await status()
if runtime.active or runtime.waiters:
raise ApiError(409, 'MODEL_IN_USE', '请等待本地模型任务结束后再安装组件。')
if state['status'] == 'installed':
return await status()
if not shutil.which('uv'):
raise ApiError(422, 'UV_NOT_INSTALLED', '后端未找到 uv,请先安装 uv 并重启后端。')
state.update(status='installing', stage='准备独立 CUDA 环境', error=None)
task = asyncio.create_task(run(True))
return await status()
async def execute(args, timeout):
process = ThreadedProcess(args, env={**os.environ, 'PYTHONIOENCODING': 'utf-8'},
limit=8192, creationflags=0x08000000 if os.name == 'nt' else 0)
process.stdin.close()
lines = []
try:
async with asyncio.timeout(timeout):
while line := await process.stdout.readline():
value = line.decode('utf-8', errors='replace').strip()
stages = {'COMPONENT:torch': '下载并安装 PyTorch CUDA(约 3 GB',
'COMPONENT:dependencies': '安装模型依赖', 'COMPONENT:verify': '验证运行组件'}
if value in stages:
state['stage'] = stages[value]
lines = (lines + [value])[-4:]
await process.wait()
if process.returncode:
raise RuntimeError('component command failed')
return lines
finally:
if process.returncode is None:
if os.name == 'nt':
await asyncio.to_thread(subprocess.run, ['taskkill', '/PID', str(process.process.pid), '/T', '/F'],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
creationflags=0x08000000)
else:
process.kill()
await process.wait()
await process.close()
async def run(download):
marker = ROOT / 'ready.json'
try:
if download:
marker.unlink(missing_ok=True)
await execute(['powershell.exe', '-NoProfile', '-NonInteractive', '-File',
str(BACKEND_DIR / 'scripts/install-model-runtime.ps1'), '-Device', 'cuda',
'-RuntimeDirectory', str(ROOT), '-QuietProgress'], 7200)
python = ROOT / 'Scripts/python.exe'
if not python.is_file():
state.update(status='not_installed', stage='尚未安装')
return
result = await execute([str(python), '-c',
'import json, torch, torchaudio, sentence_transformers, qwen_asr; '
'assert torch.version.cuda; '
'print(json.dumps({"torch":torch.__version__,"cuda_available":torch.cuda.is_available()}))'], 180)
info = json.loads(result[-1])
marker.write_text(json.dumps(info), encoding='utf-8')
state.update(status='installed', stage='组件已安装', error=None, **info)
except asyncio.CancelledError:
marker.unlink(missing_ok=True)
state.update(status='interrupted', stage='安装检查已中断,可重试')
raise
except Exception:
marker.unlink(missing_ok=True)
state.update(status='failed', stage='组件安装或验证失败',
error='请检查网络、磁盘空间和 uv;可以重试。CPU 环境不受影响。')
async def shutdown():
if task is not None and not task.done():
task.cancel()
await asyncio.gather(task, return_exceptions=True)
if state['status'] in {'checking', 'interrupted'}:
state['status'] = 'unchecked'