feat(monitor): 抖音 Web 接口客户端 —— 绕开爬虫子进程，直接发 HTTP
移植自 mac-agent-os 的 mediacrawler_adapter：不起子进程、不开页面，用浏览器里那份
登录态直接调抖音 Web 接口。产物键名照抄 store/douyin，所以 ingest 那条链路一个字不用改。
**目前能用的（真环境实测，非推断）**：
profile/other : 200, 7075 字节 —— 博主主页指标（粉丝/获赞/作品数/昵称）
aweme/detail : 200, 45425 字节 —— 单条作品详情（含点赞/评论/收藏/分享）
**目前不能用的：作品列表 `aweme/post`。** 两个互相独立的原因：
1. 这个接口被抖音单独升级成了真校验：不带 x-tt-argus 回 403「Uifid Not Found」，
带上 dummy 值回 200 + **空 body**。也就是说「头在不在」骗得过，「真校验」过不了。
同一套头打 profile/other 和 aweme/detail 都是通的 —— 抖音是挑着接口加保护的，
挑中的恰好是「批量拉作品列表」这个最敏感的动作。
2. 改走页面截获也不行：CDP 浏览器打开博主主页会落到「验证码中间页」（当天大量探测的
代价，过几小时要重测）。
所以现在的边界是：**已知作品的指标刷新能做，自动发现新作品做不了**。
**排查中控住变量后得到的两条事实**（都写进注释了）：
· `Accept` / `Accept-Language` / `Referer` 才是主页接口能返回真数据的原因 —— 只有
UA+client hints+Cookie 时是 200 但仅 121 字节的空壳，补上这三个头变 7074 字节。
（我先前猜的 sec-ch-ua 不是关键。）
· 因此 UA 与 client hints 必须**成套地取自同一个浏览器**，所以 BrowserIdentity 一次
从 CDP 取齐 cookie + UA + hints，而不是各自写死。
「200 + 空 body 必须当场报错」也是刻意写死的：放过去它会在下游变成「这个博主没作品」，
把一次失败伪装成一条正常结果 —— 爬虫那条路正是这么栽的，还被翻译成「账号被封」。
测试 +11：cookie 解析、请求头成套性（含 uifid 缺失/回退）、产物键名与 store 对齐、
以及 _get 的三条失败路径（空 body / 403 带网关原话 / 正常返回）。
This commit is contained in:
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"""
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execution_policy.py — 统一执行策略 v1
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所有执行入口（CLI / Dashboard / API）都通过此策略层检查限制。
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集中定义并发数、窗口槽位、启动间隔、超时、冷却等规则。
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使用:
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from mc.execution_policy import policy, preflight, slot_for
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info = preflight() # 返回 {ok, browsers, slots, delay, ...}
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slot = slot_for(account) # 分配窗口槽位
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"""
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import json, logging, os, subprocess, time
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from datetime import datetime
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from pathlib import Path
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from typing import Optional
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logger = logging.getLogger("execution_policy")
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# ════════════════════════════════════════════════════════════
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# 一、策略常量（唯一来源）
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# ════════════════════════════════════════════════════════════
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MAX_CONCURRENT = 3 # 每台机器最多 3 个浏览器
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LAUNCH_STAGGER = 15 # 每个浏览器启动间隔（秒）
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AUTO_SHUTDOWN_MIN = 30 # 30 分钟无操作自动关闭
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MIN_DISK_GB = 5 # 最小可用磁盘空间（GB）
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MAX_TIMEOUT = 600 # 命令最大超时（秒）
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GRACE_PERIOD_LOCAL = 5 # 本机进程启动宽限期（秒）
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GRACE_PERIOD_REMOTE = 30 # 远程进程启动宽限期（秒）
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# 窗口槽位：固定 3 个，y 顶端对齐，x 间隔 350px（参考5kechengdeAir的经验值）
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SLOTS = [
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{"id": 1, "position": (0, 0), "size": (702, 783)},
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{"id": 2, "position": (350, 0), "size": (702, 783)},
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{"id": 3, "position": (700, 0), "size": (702, 783)},
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]
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# 操作冷却时间（秒），用 (min, max) 范围随机化
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OP_COOLDOWNS = {
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"like": (2, 4),
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"collect": (3, 6),
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"comment": (30, 45),
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"follow": (10, 20),
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"search": (3, 6),
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"scroll_feed": (2, 3),
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"reply": (30, 45),
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"browse": (5, 10),
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"default": (2, 5),
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}
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# 登录超时（秒）
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LOGIN_TIMEOUTS = {
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"cookie_verify": 40,
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"sms_recovery": 90,
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"douyin_login": 300, # 含 4 分钟短信轮询
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"login_page": 120,
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}
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POLICY_VERSION = "1.0"
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# ════════════════════════════════════════════════════════════
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# 二、路径解析
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# ════════════════════════════════════════════════════════════
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def _resolve_paths():
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"""解析 AGENT_SYNC 和 AGENT_LOCAL 路径"""
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home = Path.home()
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agent_sync = Path(os.environ.get("AGENT_SYNC", str(home / "workbuddy-agent-os" / "agent-sync")))
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agent_local = Path(os.environ.get("AGENT_LOCAL", str(home / "workbuddy-agent-os" / "agent-local")))
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return agent_sync, agent_local
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AGENT_SYNC, AGENT_LOCAL = _resolve_paths()
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# ════════════════════════════════════════════════════════════
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# 三、策略导出（供前端展示）
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# ════════════════════════════════════════════════════════════
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def get_policy() -> dict:
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"""返回完整策略配置，供 Dashboard 前端展示"""
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return {
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"version": POLICY_VERSION,
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"max_concurrent": MAX_CONCURRENT,
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"launch_stagger": LAUNCH_STAGGER,
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"auto_shutdown_min": AUTO_SHUTDOWN_MIN,
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"min_disk_gb": MIN_DISK_GB,
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"max_timeout": MAX_TIMEOUT,
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"grace_period_local": GRACE_PERIOD_LOCAL,
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"grace_period_remote": GRACE_PERIOD_REMOTE,
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"slots": [{"id": s["id"], "position": list(s["position"]), "size": list(s["size"])} for s in SLOTS],
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"op_cooldowns": {k: list(v) for k, v in OP_COOLDOWNS.items()},
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"login_timeouts": dict(LOGIN_TIMEOUTS),
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}
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# ════════════════════════════════════════════════════════════
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# 四、执行前预检
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# ════════════════════════════════════════════════════════════
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def preflight(local_only: bool = True) -> dict:
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"""执行前全面检查——所有入口共用
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Returns:
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{
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"ok": bool, # 是否通过检查
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"browsers": int, # 当前浏览器数
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"max_concurrent": int, # 最大允许数
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"slots_available": int, # 可用槽位数
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"disk_gb": float, # 剩余磁盘
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"disk_ok": bool, # 磁盘是否足够
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"stagger_delay": int, # 建议启动延迟（秒）
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"message": str, # 检查结果描述
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}
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"""
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result = {"ok": True, "browsers": 0, "max_concurrent": MAX_CONCURRENT,
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"slots_available": MAX_CONCURRENT, "disk_gb": 0, "disk_ok": True,
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"stagger_delay": 0, "message": "就绪"}
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# 1. 浏览器数检查
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try:
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r = subprocess.run(
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["pgrep", "-f", "camoufox.*-no-remote|HeadlessShell|chrome.*remote-debug|chromium.*remote-debug"],
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capture_output=True, text=True, timeout=5
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)
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count = len([p for p in r.stdout.strip().split("\n") if p.strip()]) if r.stdout.strip() else 0
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result["browsers"] = count
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result["slots_available"] = max(0, MAX_CONCURRENT - count)
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if count >= MAX_CONCURRENT:
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result["ok"] = False
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result["message"] = f"浏览器已达上限: {count}/{MAX_CONCURRENT}，请等待或手动清理"
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return result
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# 计算建议延迟
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result["stagger_delay"] = count * LAUNCH_STAGGER
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except:
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pass
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# 2. 磁盘空间检查
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try:
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s = os.statvfs(str(AGENT_LOCAL))
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free_gb = (s.f_frsize * s.f_bavail) / (1024 ** 3)
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result["disk_gb"] = round(free_gb, 1)
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if free_gb < MIN_DISK_GB:
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result["ok"] = False
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result["disk_ok"] = False
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result["message"] = f"磁盘空间不足: {free_gb:.1f}GB < {MIN_DISK_GB}GB"
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return result
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except:
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pass
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return result
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def check_running_browsers() -> int:
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"""获取当前浏览器进程数（供各层共用）"""
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try:
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r = subprocess.run(
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["pgrep", "-f", "camoufox.*-no-remote|HeadlessShell|chrome.*remote-debug|chromium.*remote-debug"],
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capture_output=True, text=True, timeout=5
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)
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if not r.stdout.strip():
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return 0
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return len([p for p in r.stdout.strip().split("\n") if p.strip()])
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except:
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return 0
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def slot_for(account_id: str) -> Optional[dict]:
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"""为账号分配窗口槽位——按当前浏览器数取模
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Returns:
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{"id": int, "position": [x, y], "size": [w, h]} or None
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"""
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browser_count = check_running_browsers()
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if browser_count >= MAX_CONCURRENT:
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return None
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slot_idx = browser_count % len(SLOTS)
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return {
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"id": SLOTS[slot_idx]["id"],
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"position": list(SLOTS[slot_idx]["position"]),
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"size": list(SLOTS[slot_idx]["size"]),
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}
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def get_cooldown(op_type: str = "default") -> tuple:
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"""获取操作冷却时间范围"""
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return OP_COOLDOWNS.get(op_type, OP_COOLDOWNS["default"])
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def get_login_timeout(timeout_type: str = "douyin_login") -> int:
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"""获取登录超时时间"""
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return LOGIN_TIMEOUTS.get(timeout_type, 120)
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# ════════════════════════════════════════════════════════════
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# 五、结果文件管理
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# ════════════════════════════════════════════════════════════
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RESULTS_DIR = AGENT_LOCAL / "runtime" / "results"
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RESULTS_DIR.mkdir(parents=True, exist_ok=True)
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def write_result(run_id: str, status: str, report: dict = None,
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error: str = None, message: str = None):
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"""写入标准执行结果文件——MC 执行完毕统一调用
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Args:
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run_id: 命令 run_id（CommandBus 分配）
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status: completed / failed / crashed / cancelled
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report: BatchReport.to_dict() 的执行结果
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error: 错误描述
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message: 附加信息
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"""
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result = {
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"run_id": run_id,
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"status": status,
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"written_at": datetime.now().isoformat(),
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}
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if report:
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result["report"] = report
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result["steps"] = {
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"total": report.get("total_steps", 0),
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"success": report.get("success", 0),
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"failed": report.get("failed", 0),
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"skipped": report.get("skipped", 0),
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}
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# 汇总所有账号的步骤详情
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step_details = []
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for ar in (report.get("account_reports") or []):
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for s in (ar.get("steps") or []):
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step_details.append({
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"account": ar["account"],
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"round": ar["round"],
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"op": s.get("op", ""),
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"step_id": s.get("step_id", 0),
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"success": s.get("success", False),
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"duration": s.get("duration", 0),
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"error": s.get("error"),
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})
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result["step_details"] = step_details
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if error:
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result["error"] = error
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if message:
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result["message"] = message
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filepath = RESULTS_DIR / f"{run_id}.json"
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try:
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filepath.write_text(json.dumps(result, ensure_ascii=False, indent=2))
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return str(filepath)
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except Exception as e:
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logger.warning(f"写入结果文件失败: {e}")
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return None
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def read_result(run_id: str) -> Optional[dict]:
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"""读取执行结果文件"""
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filepath = RESULTS_DIR / f"{run_id}.json"
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if not filepath.exists():
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return None
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try:
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return json.loads(filepath.read_text(encoding="utf-8"))
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except:
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return None
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def cleanup_old_results(max_age_hours: int = 24):
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"""清理过期结果文件"""
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now = time.time()
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for f in RESULTS_DIR.glob("*.json"):
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try:
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if now - f.stat().st_mtime > max_age_hours * 3600:
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f.unlink()
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except:
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pass
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Reference in New Issue
Block a user