129 lines
5.6 KiB
Python
129 lines
5.6 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from __future__ import annotations
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import os
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import time
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from services.runtime import get_logger, get_socketio
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from services.state import safe_get_account, safe_iter_task_status_items
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def status_push_worker() -> None:
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"""后台线程：按间隔推送排队/运行中任务的状态更新（可节流）。"""
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logger = get_logger()
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try:
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push_interval = float(os.environ.get("STATUS_PUSH_INTERVAL_SECONDS", "1"))
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except Exception:
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push_interval = 1.0
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push_interval = max(0.5, push_interval)
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socketio = get_socketio()
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from services.tasks import get_task_scheduler
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scheduler = get_task_scheduler()
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last_queued_emit: dict[str, dict] = {}
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while True:
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try:
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now_ts = time.time()
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queue_snapshot = scheduler.get_queue_state_snapshot()
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pending_total = int(queue_snapshot.get("pending_total", 0) or 0)
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running_total = int(queue_snapshot.get("running_total", 0) or 0)
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running_by_user = queue_snapshot.get("running_by_user") or {}
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positions = queue_snapshot.get("positions") or {}
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status_items = safe_iter_task_status_items()
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active_queued_ids: set[str] = set()
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for account_id, status_info in status_items:
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status = status_info.get("status")
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if status not in ("运行中", "排队中"):
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continue
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user_id = status_info.get("user_id")
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if not user_id:
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continue
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pos = positions.get(account_id) or {}
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# 排队中的账号不需要每秒全量推送：仅在队列位置/总数变化或到达保底间隔时推送，避免拖慢整体性能
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if status != "运行中":
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active_queued_ids.add(account_id)
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running_user = int(running_by_user.get(int(user_id), 0) or 0)
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prev = last_queued_emit.get(account_id) or {}
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prev_ts = float(prev.get("ts", 0) or 0)
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should_emit = False
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if not prev:
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should_emit = True
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elif (
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prev.get("queue_ahead") != pos.get("queue_ahead")
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or prev.get("queue_position") != pos.get("queue_position")
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or prev.get("pending_total") != pending_total
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or prev.get("running_total") != running_total
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or prev.get("running_user") != running_user
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):
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should_emit = True
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elif now_ts - prev_ts >= max(push_interval, 2.0):
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should_emit = True
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if not should_emit:
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continue
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last_queued_emit[account_id] = {
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"ts": now_ts,
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"queue_ahead": pos.get("queue_ahead"),
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"queue_position": pos.get("queue_position"),
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"pending_total": pending_total,
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"running_total": running_total,
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"running_user": running_user,
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}
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else:
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last_queued_emit.pop(account_id, None)
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account = safe_get_account(user_id, account_id)
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if not account:
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continue
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account_data = account.to_dict()
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account_data.update(
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{
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"queue_pending_total": pending_total,
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"queue_running_total": running_total,
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"queue_ahead": pos.get("queue_ahead"),
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"queue_position": pos.get("queue_position"),
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"queue_is_vip": pos.get("is_vip"),
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"queue_running_user": int(running_by_user.get(int(user_id), 0) or 0),
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}
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)
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socketio.emit("account_update", account_data, room=f"user_{user_id}")
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if status != "运行中":
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continue
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progress = status_info.get("progress", {}) or {}
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progress_data = {
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"account_id": account_id,
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"stage": status_info.get("detail_status", ""),
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"total_items": account.total_items,
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"browsed_items": progress.get("items", 0),
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"total_attachments": account.total_attachments,
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"viewed_attachments": progress.get("attachments", 0),
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"start_time": status_info.get("start_time", 0),
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"elapsed_seconds": account_data.get("elapsed_seconds", 0),
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"elapsed_display": account_data.get("elapsed_display", ""),
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"queue_pending_total": pending_total,
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"queue_running_total": running_total,
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"queue_ahead": pos.get("queue_ahead"),
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"queue_position": pos.get("queue_position"),
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"queue_running_user": int(running_by_user.get(int(user_id), 0) or 0),
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}
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socketio.emit("task_progress", progress_data, room=f"user_{user_id}")
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# 清理已不在排队的记录，避免 dict 无限制增长
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if last_queued_emit:
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for acc_id in list(last_queued_emit.keys()):
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if acc_id not in active_queued_ids:
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last_queued_emit.pop(acc_id, None)
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time.sleep(push_interval)
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except Exception as e:
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logger.debug(f"状态推送出错: {e}")
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time.sleep(push_interval)
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