dinos
8b1451cdda
* feat(runtime): add application-scoped async runtime * refactor(cli): use owned runtime for session stats * refactor(onboard): use the owned async runtime * docs(runtime): record async bridge ownership * refactor(middleware): keep sync fallback synchronous * refactor(mcp): load tools on an owned runtime * refactor(cli): share owned runtime across entry points * refactor(channels): make inbound sync bridge explicit * refactor(stream): run Rich streaming on owned runtime * chore(runtime): remove nest-asyncio dependency * refactor(asyncio): require active loops in async code * docs(runtime): document final event loop ownership * fix(stream): cancel stalled owned streams * fix(cli): recover cleanly from stream cancellation * fix(runtime): drain executor work before shutdown * fix(runtime): terminate cancelled shell process trees * fix(models): let fallback bypass selector failures * fix(cli): reset interrupt handling between turns * docs: rm implementation spec * fix(serve): cancel active turns during shutdown * fix(runtime): protect settlement from waiter cancellation * fix(backends): reject empty shell commands * fix(runtime): terminate descendants after shell exit * fix(mcp): keep standalone discovery off channel loop * fix(cli): own and settle interactive prompt cancellation * fix(serve): keep channel sends off runtime loop * fix(stream): scope cancel context to iterator steps * refactor(serve): require the owned async runtime * fix(channels): keep interactive sends off runtime loop * fix(selector): surface fallback without log spam * test(runtime): normalize Windows shell marker * fix(cli): serialize interactive session turns * fix(shell): bound output drain after termination * fix(ui): do not retry owned runtime failures * fix(shell): allow signal-safe registry reentry * fix(shell): avoid terminating reused process ids * fix(channels): preserve streaming send order * fix(cli): report runtime shutdown timeouts cleanly * fix(mcp): guide async callers to async loader * docs(runtime): clarify reserved async bridge APIs * fix(runtime): bound code interpreter cleanup * test(shell): use active Python for drain regression --------- Co-authored-by: Xi Zhang <106144707+X-iZhang@users.noreply.github.com>
28 lines
834 B
Python
28 lines
834 B
Python
"""Cancellation context shared by streaming frontends and blocking tools."""
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from __future__ import annotations
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import contextvars
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import threading
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from collections.abc import Iterator
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from contextlib import contextmanager
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_current_cancel_event: contextvars.ContextVar[threading.Event | None] = (
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contextvars.ContextVar("evoscientist_cancel_event", default=None)
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)
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@contextmanager
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def bind_cancel_event(event: threading.Event) -> Iterator[None]:
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"""Make a stream's cancellation event visible to nested sync tool calls."""
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token = _current_cancel_event.set(event)
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try:
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yield
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finally:
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_current_cancel_event.reset(token)
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def current_cancel_event() -> threading.Event | None:
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"""Return the cancellation event bound to the current agent run, if any."""
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return _current_cancel_event.get()
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