71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
import asyncio
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import time
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from collections import deque
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from typing import Awaitable, Callable, Any
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_queue: asyncio.Queue = asyncio.Queue()
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_current_label: str | None = None
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_current_meta: dict[str, Any] | None = None
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_pending: deque[tuple[str, float]] = deque()
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async def enqueue(label: str, job: Callable[[], Awaitable[None]]) -> int:
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enqueued_at = time.time()
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await _queue.put((label, job, enqueued_at))
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_pending.append((label, enqueued_at))
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return len(_pending)
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async def worker():
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global _current_label, _current_meta
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while True:
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label, job, enqueued_at = await _queue.get()
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if _pending:
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if _pending[0] == (label, enqueued_at):
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_pending.popleft()
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else:
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try:
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_pending.remove((label, enqueued_at))
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except ValueError:
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pass
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_current_label = label
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_current_meta = {"enqueued_at": enqueued_at, "started_at": time.time()}
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try:
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await job()
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finally:
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_current_label = None
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_current_meta = None
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_queue.task_done()
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def format_status() -> str:
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pending = list(_pending)
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lines = ["🧾 Queue"]
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lines.append(f"🔄 Running: {_current_label or 'idle'}")
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lines.append(f"⏳ Pending: {len(pending)}")
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if pending:
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preview = ", ".join([p[0] for p in pending[:5]])
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lines.append(f"➡️ Next: {preview}")
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return "\n".join(lines)
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def format_details(limit: int = 10) -> str:
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now = time.time()
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lines = ["🧾 Queue details"]
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if _current_label:
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started_at = _current_meta.get("started_at") if _current_meta else None
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runtime = f"{int(now - started_at)}s" if started_at else "n/a"
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lines.append(f"🔄 Running: {_current_label} ({runtime})")
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else:
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lines.append("🔄 Running: idle")
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pending = list(_pending)
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lines.append(f"⏳ Pending: {len(pending)}")
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if pending:
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lines.append("🔢 Position | Label | Wait")
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for i, (label, enqueued_at) in enumerate(pending[:limit], start=1):
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wait = int(now - enqueued_at)
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lines.append(f"{i:>3} | {label} | {wait}s")
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return "\n".join(lines)
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