Teknium
36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
"""Plumbing shared by the kanban notifier and dispatcher loops."""
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from __future__ import annotations
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import asyncio
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import logging
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from contextvars import Context
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from typing import Any, Callable
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# Keep the logger name run.py used so extracted log records are unchanged.
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logger = logging.getLogger("gateway.run")
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def _run_in_fresh_context(func: Callable[..., Any], /, *args: Any) -> Any:
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"""Run *func* in an empty ``Context`` so request-local ContextVars stay behind.
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``asyncio.to_thread`` copies the caller's context; a lingering
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``delegate_task`` child marker would make ``write_txn`` false-trip for
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these process-owned writers. An empty Context keeps the DB guard intact
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for real children without exempting dispatcher writes.
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"""
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return Context().run(func, *args)
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async def _to_thread_process_service(func: Callable[..., Any], /, *args: Any) -> Any:
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"""Offload blocking process-service work without inheriting request ContextVars."""
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return await asyncio.to_thread(_run_in_fresh_context, func, *args)
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def _list_boards(kb: Any) -> list:
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"""Enumerate live boards; fall back to the default board when listing fails."""
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try:
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return kb.list_boards(include_archived=False)
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except Exception:
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return [kb.read_board_metadata(kb.DEFAULT_BOARD)]
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