ENH: Worker env isolation

[codingl2k1]

Requires: xorbitsai/xoscar#134

[qinxuye]

When I launch model qwen2.5-instruct I encounter an error.

0:28887, pid=32428] [Errno 2] No such file or directory: '/Users/xuyeqin/.xinference/virtualenv/qwen2.5-instruct/bin/python'
Traceback (most recent call last):
  File "/Users/xuyeqin/Workspace/inference/xinference/api/restful_api.py", line 1023, in launch_model
    model_uid = await (await self._get_supervisor_ref()).launch_builtin_model(
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/context.py", line 262, in send
    return self._process_result_message(result)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/context.py", line 111, in _process_result_message
    raise message.as_instanceof_cause()
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/pool.py", line 689, in send
    result = await self._run_coro(message.message_id, coro)
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/pool.py", line 389, in _run_coro
    return await coro
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/api.py", line 384, in __on_receive__
    return await super().__on_receive__(message)  # type: ignore
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 564, in __on_receive__
    raise ex
  File "xoscar/core.pyx", line 526, in xoscar.core._BaseActor.__on_receive__
    async with self._lock:
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 527, in xoscar.core._BaseActor.__on_receive__
    with debug_async_timeout('actor_lock_timeout',
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 532, in xoscar.core._BaseActor.__on_receive__
    result = await result
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/supervisor.py", line 1199, in launch_builtin_model
    await _launch_model()
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/supervisor.py", line 1134, in _launch_model
    subpool_address = await _launch_one_model(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/supervisor.py", line 1088, in _launch_one_model
    subpool_address = await worker_ref.launch_builtin_model(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/context.py", line 262, in send
    return self._process_result_message(result)
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/context.py", line 111, in _process_result_message
    raise message.as_instanceof_cause()
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/pool.py", line 689, in send
    result = await self._run_coro(message.message_id, coro)
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/pool.py", line 389, in _run_coro
    return await coro
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/api.py", line 384, in __on_receive__
    return await super().__on_receive__(message)  # type: ignore
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 564, in __on_receive__
    raise ex
  File "xoscar/core.pyx", line 526, in xoscar.core._BaseActor.__on_receive__
    async with self._lock:
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 527, in xoscar.core._BaseActor.__on_receive__
    with debug_async_timeout('actor_lock_timeout',
    ^^^^^^^^^^^^^^^^^
  File "xoscar/core.pyx", line 532, in xoscar.core._BaseActor.__on_receive__
    result = await result
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/utils.py", line 93, in wrapped
    ret = await func(*args, **kwargs)
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/worker.py", line 1011, in launch_builtin_model
    subpool_address, devices = await self._create_subpool(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/inference/xinference/core/worker.py", line 613, in _create_subpool
    subpool_address = await self._main_pool.append_sub_pool(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/indigen/pool.py", line 371, in append_sub_pool
    process, external_addresses = await self._create_sub_pool_from_parent(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/indigen/pool.py", line 281, in _create_sub_pool_from_parent
    process = await create_subprocess_exec(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/Workspace/xoscar/python/xoscar/backends/indigen/fate_sharing.py", line 206, in create_subprocess_exec
    process: asyncio.subprocess.Process = await asyncio.create_subprocess_exec(
      ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/asyncio/subprocess.py", line 223, in create_subprocess_exec
    transport, protocol = await loop.subprocess_exec(
      ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/asyncio/base_events.py", line 1708, in subprocess_exec
    transport = await self._make_subprocess_transport(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/asyncio/unix_events.py", line 207, in _make_subprocess_transport
    transp = _UnixSubprocessTransport(self, protocol, args, shell,
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/asyncio/base_subprocess.py", line 36, in __init__
    self._start(args=args, shell=shell, stdin=stdin, stdout=stdout,
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/asyncio/unix_events.py", line 818, in _start
    self._proc = subprocess.Popen(
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/subprocess.py", line 1026, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
    ^^^^^^^^^^^^^^^^^
  File "/Users/xuyeqin/miniconda3/lib/python3.11/subprocess.py", line 1953, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
    ^^^^^^^^^^^^^^^^^
FileNotFoundError: [address=0.0.0.0:28887, pid=32428] [Errno 2] No such file or directory: '/Users/xuyeqin/.xinference/virtualenv/qwen2.5-instruct/bin/python'

Actually this model did not configure virtualenv thus this env does not exist.

[qinxuye]

LGTM