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feat(box): add host workspace mounting and sandbox_exec guidance

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This commit is contained in:
youhuanghe
2026-03-19 14:04:37 +00:00
committed by WangCham
parent ba7a45713d
commit 70c56af4ee
10 changed files with 380 additions and 8 deletions
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38
src/langbot/pkg/box/runtime.py
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@@ -37,6 +37,14 @@ class BoxRuntime:
session = await self._get_or_create_session(spec)
async with session.lock:
self.logger.info(
'LangBot Box execute: '
f'session_id={spec.session_id} '
f'backend_session_id={session.info.backend_session_id} '
f'backend={session.info.backend_name} '
f'workdir={spec.workdir} '
f'timeout_sec={spec.timeout_sec}'
)
result = await (await self._get_backend()).exec(session.info, spec)
async with self._lock:
@@ -63,12 +71,28 @@ class BoxRuntime:
if existing is not None:
self._assert_session_compatible(existing.info, spec)
existing.info.last_used_at = dt.datetime.now(dt.UTC)
self.logger.info(
'LangBot Box session reused: '
f'session_id={spec.session_id} '
f'backend_session_id={existing.info.backend_session_id} '
f'backend={existing.info.backend_name}'
)
return existing
backend = await self._get_backend()
info = await backend.start_session(spec)
runtime_session = _RuntimeSession(info=info, lock=asyncio.Lock())
self._sessions[spec.session_id] = runtime_session
self.logger.info(
'LangBot Box session created: '
f'session_id={spec.session_id} '
f'backend_session_id={info.backend_session_id} '
f'backend={info.backend_name} '
f'image={info.image} '
f'network={info.network.value} '
f'host_path={info.host_path} '
f'host_path_mode={info.host_path_mode.value}'
)
return runtime_session
async def _get_backend(self) -> BaseSandboxBackend:
@@ -113,6 +137,12 @@ class BoxRuntime:
return
try:
self.logger.info(
'LangBot Box session cleanup: '
f'session_id={session_id} '
f'backend_session_id={runtime_session.info.backend_session_id} '
f'backend={runtime_session.info.backend_name}'
)
await self._backend.stop_session(runtime_session.info)
except Exception as exc:
self.logger.warning(f'Failed to clean up box session {session_id}: {exc}')
@@ -126,3 +156,11 @@ class BoxRuntime:
raise BoxSessionConflictError(
f'sandbox_exec session {spec.session_id} already exists with image={session.image}'
)
if session.host_path != spec.host_path:
raise BoxSessionConflictError(
f'sandbox_exec session {spec.session_id} already exists with host_path={session.host_path}'
)
if session.host_path_mode != spec.host_path_mode:
raise BoxSessionConflictError(
f'sandbox_exec session {spec.session_id} already exists with host_path_mode={session.host_path_mode.value}'
)