code: def _spawn(
      args: List[str],
      executable: Optional[Union[str, List[str]]] = None,
      env: Optional[Mapping[str, str]] = None,
      output_file: Optional[str] = None,
  ) -> int:
      file: "ContextManager[Any]" = nullcontext()
      kwargs = {}
      if output_file:
          file = open(output_file, "ab")  # noqa: SIM115
          kwargs = {"stdout": file, "stderr": file}
  
      if executable is None:
          executable = _get_dvc_args()
      else:
          executable = ensure_list(executable)
  
      with file:
          return _detached_subprocess(
              executable + args, env=env, **kwargs
          )
  
imports: import inspect
  import logging
  import os
  import subprocess
  import sys
  from contextlib import nullcontext
  from typing import TYPE_CHECKING, Any, List, Mapping, Optional, Sequence, Union
  from dvc.log import logger
  from dvc.env import DVC_DAEMON, DVC_DAEMON_LOGFILE
  from dvc.utils import fix_env, is_binary
  from dvc.utils.collections import ensure_list
label_desc: Use image node_id 9 for calling a global function with example usage: _spawn(args, executable, env, output_file) and returns: _detached_subprocess