Files
tg-admin-bot/services/queue.py

115 lines
3.9 KiB
Python

import asyncio
import time
from collections import deque
from typing import Awaitable, Callable, Any
from services import runtime_state
_queue: asyncio.Queue = asyncio.Queue()
_current_label: str | None = None
_current_meta: dict[str, Any] | None = None
_pending: deque[tuple[str, float]] = deque()
_stats: dict[str, Any] = runtime_state.get("queue_stats", {}) or {
"processed": 0,
"avg_wait_sec": 0.0,
"avg_runtime_sec": 0.0,
"last_label": "",
"last_finished_at": 0.0,
}
def _save_stats():
runtime_state.set_state("queue_stats", _stats)
async def enqueue(label: str, job: Callable[[], Awaitable[None]]) -> int:
enqueued_at = time.time()
await _queue.put((label, job, enqueued_at))
_pending.append((label, enqueued_at))
return len(_pending)
async def worker():
global _current_label, _current_meta
while True:
label, job, enqueued_at = await _queue.get()
if _pending:
if _pending[0] == (label, enqueued_at):
_pending.popleft()
else:
try:
_pending.remove((label, enqueued_at))
except ValueError:
pass
_current_label = label
_current_meta = {"enqueued_at": enqueued_at, "started_at": time.time()}
try:
await job()
finally:
finished_at = time.time()
if _current_meta:
wait_sec = max(0.0, _current_meta["started_at"] - _current_meta["enqueued_at"])
runtime_sec = max(0.0, finished_at - _current_meta["started_at"])
n_prev = int(_stats.get("processed", 0))
_stats["processed"] = n_prev + 1
_stats["avg_wait_sec"] = (
(_stats.get("avg_wait_sec", 0.0) * n_prev) + wait_sec
) / _stats["processed"]
_stats["avg_runtime_sec"] = (
(_stats.get("avg_runtime_sec", 0.0) * n_prev) + runtime_sec
) / _stats["processed"]
_stats["last_label"] = label
_stats["last_finished_at"] = finished_at
_save_stats()
_current_label = None
_current_meta = None
_queue.task_done()
def format_status() -> str:
pending = list(_pending)
lines = ["🧾 Queue"]
lines.append(f"🔄 Running: {_current_label or 'idle'}")
lines.append(f"⏳ Pending: {len(pending)}")
if pending:
preview = ", ".join([p[0] for p in pending[:5]])
lines.append(f"➡️ Next: {preview}")
if _stats.get("processed"):
lines.append(
f"📈 Done: {_stats.get('processed')} | "
f"avg wait {int(_stats.get('avg_wait_sec', 0))}s | "
f"avg run {int(_stats.get('avg_runtime_sec', 0))}s"
)
return "\n".join(lines)
def format_details(limit: int = 10) -> str:
now = time.time()
lines = ["🧾 Queue details"]
if _current_label:
started_at = _current_meta.get("started_at") if _current_meta else None
runtime = f"{int(now - started_at)}s" if started_at else "n/a"
lines.append(f"🔄 Running: {_current_label} ({runtime})")
else:
lines.append("🔄 Running: idle")
pending = list(_pending)
lines.append(f"⏳ Pending: {len(pending)}")
if pending:
lines.append("🔢 Position | Label | Wait")
for i, (label, enqueued_at) in enumerate(pending[:limit], start=1):
wait = int(now - enqueued_at)
lines.append(f"{i:>3} | {label} | {wait}s")
if _stats.get("processed"):
lines.append("")
lines.append(
"📈 Stats: "
f"{_stats.get('processed')} done, "
f"avg wait {int(_stats.get('avg_wait_sec', 0))}s, "
f"avg run {int(_stats.get('avg_runtime_sec', 0))}s"
)
last_label = _stats.get("last_label")
if last_label:
lines.append(f"Last: {last_label}")
return "\n".join(lines)