feat: 多专业小模型+路由模型系统 MVP（mock 全链路 + FastAPI 网关 + 论文调研）

2026-08-12 10:40:04 +08:00
commit 1e51167ea5
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+"""启动路由网关服务（后台、无窗口）。
+
+用法：
+    python scripts/serve.py [--port 8000] [--stop]
+"""
+import argparse
+import os
+import subprocess
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parent.parent
+PID_FILE = ROOT / "_gateway.pid"
+
+
+def start(port: int):
+    if PID_FILE.exists():
+        old = PID_FILE.read_text().strip()
+        if old:
+            print(f"已有服务运行 (pid={old})，先执行 --stop 再启动。")
+            return
+    out = open(ROOT / "_gateway.out.log", "ab", buffering=0)
+    err = open(ROOT / "_gateway.err.log", "ab", buffering=0)
+    flags = 0x00000008 | 0x08000000  # DETACHED_PROCESS | CREATE_NO_WINDOW
+    proc = subprocess.Popen(
+        [sys.executable, "-m", "uvicorn", "gateway.api:app",
+         "--host", "127.0.0.1", "--port", str(port)],
+        cwd=str(ROOT),
+        stdout=out,
+        stderr=err,
+        creationflags=flags,
+        close_fds=True,
+    )
+    PID_FILE.write_text(str(proc.pid))
+    print(f"gateway 已启动 pid={proc.pid} port={port}，日志: _gateway.out.log")
+
+
+def stop():
+    if not PID_FILE.exists():
+        print("没有运行中的服务。")
+        return
+    pid = int(PID_FILE.read_text().strip())
+    try:
+        import signal
+        os.kill(pid, signal.SIGTERM)
+        print(f"已发送终止信号 pid={pid}")
+    except ProcessLookupError:
+        print(f"进程 {pid} 不存在，清理 pid 文件。")
+    PID_FILE.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--port", type=int, default=8000)
+    parser.add_argument("--stop", action="store_true", help="停止服务")
+    args = parser.parse_args()
+    if args.stop:
+        stop()
+    else:
+        start(args.port)