sreweekly-digest: 新增 SRE Weekly 解析技能(SKILL.md + scripts/sreweekly.py)
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sreweekly-digest/SKILL.md
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sreweekly-digest/SKILL.md
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---
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name: sreweekly-digest
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description: 抓取 SRE Weekly 每期分享文章导出 markdown。提到 sreweekly 时使用。
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author: Hermes Agent
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license: MIT
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version: 1.0.0
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category: custom
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last_updated: "2026-09-10"
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metadata:
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hermes:
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tags: [rss, sreweekly, markdown, n8n, digest]
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related_skills: [blogwatcher-daily, llm-provider-billing]
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---
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# SRE Weekly Digest
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抓取 [SRE Weekly](https://sreweekly.com) 每期内容,把每期分享的文章逐篇导出为 Markdown 文件,用 manifest.json 记录每期状态。**脚本只做解析与提取,不发邮件**(邮件由 n8n 后续节点处理)。
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## When to Use
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- 用户提到 sreweekly.com / SRE Weekly 期刊 / sreweekly 脚本,要求抓取、提取、检查或导出
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- 需要手动跑一次扫描/提取(`--scan` / `--extract` / `--status`),或排查 n8n 定时任务为什么没出新期
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- 想看某期分享了哪些文章、某篇文章的链接/作者/简介
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## 关键事实
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- **脚本**:本技能目录 `scripts/sreweekly.py`(绝对路径 `~/.hermes/skills/custom/sreweekly-digest/scripts/sreweekly.py`,软链到 atlas;单文件,依赖 feedparser)
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- **数据目录**:`~/Workspace/nexus/Hermes/xingzhi/sreweekly/`(html/ 存每期原始 HTML,markdown/<期号>/ 存每篇一个 md,manifest.json 记状态;README.md 有完整 n8n 配置说明)
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- **核心发现**:SRE Weekly 的 RSS feed 在 `content:encoded` 字段自带每期完整 HTML(实测最近 5 期全量)——**不用再抓每期页面**,直接从 feed 拿内容
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## 命令速查
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```bash
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S=~/.hermes/skills/custom/sreweekly-digest/scripts/sreweekly.py
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# 或在本技能目录下: S=scripts/sreweekly.py
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python3 $S # 扫描 feed → 新期存 html/ + 登记 manifest(幂等去重)
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python3 $S --check # 输出 NEW:533,532 或 NONE(供 n8n 分支)
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python3 $S --extract pending # 提取所有未处理期(n8n 每日流程推荐)
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python3 $S --extract 533 # 指定期 / latest / all(已提取的需 --force 覆盖)
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python3 $S --status # 状态表(期号/日期/HTML/提取/文章数)
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# 可选: --feed URL / --dir PATH / --force(数据目录默认 ~/Workspace/nexus/Hermes/xingzhi/sreweekly/)
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```
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- 所有命令**幂等**:重复扫描不重复入库,重复提取自动跳过已提取的期
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- 提取粒度:每篇文章一个 md(标题 / 期号日期 / 作者 / 原文链接 / 简介,含 blockquote 引用渲染)
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## 页面/HTML 结构(解析器依据)
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```
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<div class="sreweekly-sponsor-message">…赞助商…</div> ← 自动跳过
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<div class="sreweekly-entry">
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<div class="sreweekly-title"><a href="文章URL">标题</a></div>
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<div class="sreweekly-description">
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<p>简介…</p> <blockquote><p>引用…</p></blockquote>
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<p> <small>作者</small></p>
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</div>
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</div>
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```
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## 坑(已踩过)
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- 标签间的纯空白(换行/缩进)会混进简介文本:解析时必须跳过 whitespace-only data,并在紧邻 `\n> `/`\n\n` 结构标记时 lstrip 前导空白,否则 blockquote 会渲染成 `> \n文字`(引用标记与正文断行)
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- 段落后紧跟 blockquote 需要补空行(CommonMark 下无空行会被当成段落续行)
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- 标题 slug 文件名保留 CJK(`\w` + unicode),超长截断 70 字符,前导序号保证顺序
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- manifest 期号从链接正则 `sre-weekly-issue-(\d+)` 提取,缺失时回退最后一段路径
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## n8n 定时流程(用户已部署方案)
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1. 定时触发(每天一次,该刊周一更新)→ Execute Command 跑 `--scan`
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2. Execute Command 跑 `--extract pending`(空跑无害,可省 --check 分支)
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3. 后续节点读取 `markdown/<新期号>/` 的 md → 邮件发送(用户收件箱 billyshen@163.com,发件 star-agent@agentmail.to;发信细节见 blogwatcher-daily 技能的 agentmail-sending 文档)
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391
sreweekly-digest/scripts/sreweekly.py
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sreweekly-digest/scripts/sreweekly.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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SRE Weekly 抓取与文章提取脚本
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模仿 blogwatcher-daily 的单文件风格:feedparser 抓取 → HTML 落盘 → 逐篇文章导出 Markdown,
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并用 manifest.json 记录每期的状态(是否已存 HTML / 是否已提取文章)。
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设计给 n8n 定时任务调用,通过不同参数驱动,脚本自身不发送邮件。
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目录结构(默认工作目录 ~/Workspace/nexus/Hermes/xingzhi/sreweekly/):
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sreweekly/
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├── manifest.json # 状态记录(每期: html 是否保存、文章是否提取、文章数)
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├── html/<id>-<日期>.html # 每期原始 HTML(feed 的 content:encoded 原样保存)
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└── markdown/<id>/ # 每期文章的 markdown 目录(每篇一个文件)
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├── 01-<标题slug>.md
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└── 02-<标题slug>.md
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用法:
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python3 sreweekly.py # 扫描 feed,新增期保存为 HTML 并登记 manifest
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python3 sreweekly.py --check # 只检查有无新期,输出 NEW:533,532 或 NONE(供 n8n 分支)
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python3 sreweekly.py --extract ID # 提取指定期(如 533)的文章 → markdown
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python3 sreweekly.py --extract latest # 提取最新一期
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python3 sreweekly.py --extract pending # 提取所有尚未提取的期(n8n 每日流程推荐)
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python3 sreweekly.py --extract all # 提取全部(含已提取的,需配合 --force 覆盖)
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python3 sreweekly.py --status # 打印 manifest 状态表
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python3 sreweekly.py --issues # 列出已登记的所有期
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选项:
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--feed URL RSS 地址(默认 https://sreweekly.com/feed/)
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--dir PATH 工作目录(默认 ~/Workspace/nexus/Hermes/xingzhi/sreweekly/)
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--force 重新提取已提取过的期(覆盖旧文件)
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"""
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from html.parser import HTMLParser
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import argparse, html, json, os, re, sys, time, urllib.request
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try:
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import feedparser
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except ImportError:
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sys.exit("缺少依赖: 请先执行 pip3 install feedparser")
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DEFAULT_FEED = "https://sreweekly.com/feed/"
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DEFAULT_DIR = os.path.expanduser("~/Workspace/nexus/Hermes/xingzhi/sreweekly")
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# ---------------------------------------------------------------- manifest
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def load_manifest(base_dir):
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path = os.path.join(base_dir, "manifest.json")
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if os.path.exists(path):
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try:
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with open(path, "r", encoding="utf-8") as f:
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return json.load(f)
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except (json.JSONDecodeError, OSError) as e:
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print(f"⚠️ manifest.json 读取失败({e}),按空库处理", file=sys.stderr)
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return {"feed": DEFAULT_FEED, "last_scanned": None, "issues": {}}
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def save_manifest(base_dir, manifest):
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path = os.path.join(base_dir, "manifest.json")
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with open(path, "w", encoding="utf-8") as f:
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json.dump(manifest, f, ensure_ascii=False, indent=2)
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return path
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def issue_id_from_link(link):
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"""从文章链接提取期号: sre-weekly-issue-533 → 533;失败则用最后一段路径。"""
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m = re.search(r"sre-weekly-issue-(\d+)", link or "")
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if m:
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return int(m.group(1))
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m = re.search(r"/([^/]+?)/?$", (link or "").rstrip("/"))
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return m.group(1) if m else "unknown"
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def format_pubdate(entry):
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"""优先用 feed 自带发布日期(YYYY-MM-DD),没有则用当天。"""
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if getattr(entry, "published_parsed", None):
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return time.strftime("%Y-%m-%d", entry.published_parsed)
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return time.strftime("%Y-%m-%d")
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def now_iso():
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return time.strftime("%Y-%m-%dT%H:%M:%S")
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# ---------------------------------------------------------------- feed 扫描
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def fetch_feed(feed_url):
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d = feedparser.parse(feed_url)
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if not d.entries:
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sys.exit(f"❌ feed 抓取失败或为空: {feed_url}(bozo={d.bozo})")
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return d.entries
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def cmd_scan(args, manifest, base_dir):
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html_dir = os.path.join(base_dir, "html")
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os.makedirs(html_dir, exist_ok=True)
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entries = fetch_feed(args.feed)
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new_ids = []
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for e in entries:
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iid = str(issue_id_from_link(e.link))
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if iid in manifest["issues"]:
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continue # 已登记,跳过(去重)
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content_html = e.content[0].value if getattr(e, "content", None) else ""
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pubdate = format_pubdate(e)
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fname = f"{iid}-{pubdate}.html"
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fpath = os.path.join(html_dir, fname)
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with open(fpath, "w", encoding="utf-8") as f:
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f.write(content_html)
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manifest["issues"][iid] = {
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"id": iid,
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"title": e.title,
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"url": e.link,
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"pub_date": pubdate,
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"html_file": f"html/{fname}",
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"fetched_at": now_iso(),
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"extracted": False,
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"article_count": 0,
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"markdown_dir": None,
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}
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new_ids.append(iid)
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print(f"🆕 新期 #{iid} {e.title} → {fname}({len(content_html)} bytes)", file=sys.stderr)
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manifest["last_scanned"] = now_iso()
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save_manifest(base_dir, manifest)
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print(f"📊 扫描完成:新增 {len(new_ids)} 期,共 {len(manifest['issues'])} 期", file=sys.stderr)
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return new_ids
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def cmd_check(args, manifest):
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entries = fetch_feed(args.feed)
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known = set(manifest["issues"].keys())
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new_ids = []
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for e in entries:
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iid = str(issue_id_from_link(e.link))
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if iid not in known:
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new_ids.append(iid)
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if new_ids:
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print("NEW:" + ",".join(new_ids))
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else:
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print("NONE")
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return 0
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# ---------------------------------------------------------------- HTML → 文章
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class SREEntryParser(HTMLParser):
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"""解析每期的 content:encoded HTML,提取所有 sreweekly-entry 文章条目。
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页面结构(见实测):
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<div class="sreweekly-sponsor-message">…赞助商…</div> ← 跳过
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<div class="sreweekly-entry">
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<div class="sreweekly-title"><a href="文章URL">标题</a></div>
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<div class="sreweekly-description">
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<p>简介…</p>
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<blockquote><p>引用…</p></blockquote>
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<p> <small>作者</small></p>
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</div>
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</div>
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"""
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def __init__(self):
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super().__init__(convert_charrefs=True)
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self.div_stack = [] # 当前打开中的 div class 栈
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self.tag_stack = [] # 当前打开中的标签栈(用于识别 a/blockquote/small)
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self.entries = [] # 提取结果: [{title, url, body, author}, ...]
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self.cur = None
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self.in_title = False
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self.in_desc = False
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self.in_small = False
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self.quote_depth = 0
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def _cur_div_class(self):
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return self.div_stack[-1] if self.div_stack else None
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def handle_starttag(self, tag, attrs):
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attrs = dict(attrs)
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self.tag_stack.append(tag)
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cls = attrs.get("class", "")
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if tag == "div":
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self.div_stack.append(cls)
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if "sreweekly-entry" in cls:
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self.cur = {"title": "", "url": "", "body": [], "author": None}
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elif "sreweekly-title" in cls and self.cur is not None:
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self.in_title = True
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elif "sreweekly-description" in cls and self.cur is not None:
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self.in_desc = True
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return
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if self.cur is None:
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return
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if tag == "a" and self.in_title:
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self.cur["url"] = attrs.get("href", "")
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elif tag == "blockquote" and self.in_desc:
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self.quote_depth += 1
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if self.cur["body"] and self.cur["body"][-1] not in ("\n\n", "\n> ", "\n"):
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self.cur["body"].append("\n\n")
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self.cur["body"].append("\n> ")
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elif tag == "small" and self.in_desc:
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self.in_small = True
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elif tag == "p" and self.in_desc and self.cur["body"] and self.quote_depth == 0:
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# 段落间空行(避免在开头及 blockquote 内部加多余空行)
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self.cur["body"].append("\n\n")
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def handle_endtag(self, tag):
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if self.tag_stack:
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pop_idx = None
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for i in range(len(self.tag_stack) - 1, -1, -1):
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if self.tag_stack[i] == tag:
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pop_idx = i
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break
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if pop_idx is not None:
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del self.tag_stack[pop_idx:]
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if tag == "small" and self.in_small:
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self.in_small = False
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if tag == "blockquote" and self.quote_depth > 0:
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self.quote_depth -= 1
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if self.cur is not None and self.in_desc:
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self.cur["body"].append("\n")
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if tag == "div":
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if self.div_stack:
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cls = self.div_stack.pop()
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if "sreweekly-title" in cls:
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self.in_title = False
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elif "sreweekly-description" in cls:
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self.in_desc = False
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elif "sreweekly-entry" in cls:
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self._finalize()
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def handle_data(self, data):
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if self.cur is None:
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return
|
||||||
|
if self.in_title:
|
||||||
|
self.cur["title"] += data
|
||||||
|
elif self.in_desc:
|
||||||
|
if self.in_small:
|
||||||
|
self.cur["author"] = (self.cur["author"] or "") + data
|
||||||
|
else:
|
||||||
|
if not data.strip():
|
||||||
|
return # 标签间的纯空白(换行/缩进)跳过,段落结构由 p/blockquote 标记生成
|
||||||
|
if self.cur["body"] and self.cur["body"][-1] in ("\n> ", "\n\n", "\n"):
|
||||||
|
data = data.lstrip("\n\t \xa0")
|
||||||
|
self.cur["body"].append(data)
|
||||||
|
|
||||||
|
def _finalize(self):
|
||||||
|
if self.cur is None:
|
||||||
|
return
|
||||||
|
title = html.unescape(self.cur["title"]).strip()
|
||||||
|
body = "".join(self.cur["body"])
|
||||||
|
body = body.replace("\xa0", " ")
|
||||||
|
# 压缩多余的连续空行
|
||||||
|
body = re.sub(r"\n{3,}", "\n\n", body)
|
||||||
|
# 每行去掉首尾空白,但保留引用行前缀 ">"
|
||||||
|
lines = []
|
||||||
|
for ln in body.split("\n"):
|
||||||
|
stripped = ln.strip()
|
||||||
|
if stripped.startswith(">"):
|
||||||
|
lines.append("> " + stripped[1:].strip())
|
||||||
|
elif stripped:
|
||||||
|
lines.append(stripped)
|
||||||
|
else:
|
||||||
|
lines.append("")
|
||||||
|
body = "\n".join(lines).strip("\n")
|
||||||
|
author = html.unescape((self.cur["author"] or "").strip()) or None
|
||||||
|
self.entries.append({"title": title, "url": self.cur["url"], "body": body, "author": author})
|
||||||
|
self.cur = None
|
||||||
|
|
||||||
|
def parse_issue_html(html_path):
|
||||||
|
with open(html_path, "r", encoding="utf-8") as f:
|
||||||
|
p = SREEntryParser()
|
||||||
|
p.feed(f.read())
|
||||||
|
return p.entries
|
||||||
|
|
||||||
|
def slugify(title, max_len=70):
|
||||||
|
"""标题 → 文件名 slug:保留字母数字与 CJK,其余转连字符。"""
|
||||||
|
s = re.sub(r"[^\w\u4e00-\u9fff]+", "-", title.lower(), flags=re.UNICODE).strip("-")
|
||||||
|
s = re.sub(r"-{2,}", "-", s)
|
||||||
|
return s[:max_len].strip("-") or "untitled"
|
||||||
|
|
||||||
|
def extract_one(iid, entry, base_dir, force=False):
|
||||||
|
"""把某一期 HTML 解析为每篇文章一个 markdown 文件。返回 (文章数, 输出目录)。"""
|
||||||
|
md_root = os.path.join(base_dir, "markdown")
|
||||||
|
os.makedirs(md_root, exist_ok=True)
|
||||||
|
html_rel = entry.get("html_file")
|
||||||
|
if not html_rel:
|
||||||
|
sys.exit(f"❌ 期 #{iid} 没有 html_file 记录,请先扫描")
|
||||||
|
html_path = os.path.join(base_dir, html_rel)
|
||||||
|
if not os.path.exists(html_path):
|
||||||
|
sys.exit(f"❌ HTML 文件不存在: {html_path}")
|
||||||
|
if entry.get("extracted") and entry.get("article_count", 0) > 0 and not force:
|
||||||
|
print(f"⏭️ 期 #{iid} 已提取过({entry['article_count']} 篇),跳过(--force 可覆盖)", file=sys.stderr)
|
||||||
|
return entry.get("article_count", 0), entry.get("markdown_dir"), False
|
||||||
|
|
||||||
|
articles = parse_issue_html(html_path)
|
||||||
|
out_dir = os.path.join(md_root, str(iid))
|
||||||
|
os.makedirs(out_dir, exist_ok=True)
|
||||||
|
for idx, a in enumerate(articles, 1):
|
||||||
|
fname = f"{idx:02d}-{slugify(a['title'])}.md"
|
||||||
|
fpath = os.path.join(out_dir, fname)
|
||||||
|
content = render_markdown(a, entry)
|
||||||
|
with open(fpath, "w", encoding="utf-8") as f:
|
||||||
|
f.write(content)
|
||||||
|
entry["extracted"] = True
|
||||||
|
entry["article_count"] = len(articles)
|
||||||
|
entry["markdown_dir"] = f"markdown/{iid}"
|
||||||
|
entry["extracted_at"] = now_iso()
|
||||||
|
print(f"📄 期 #{iid} → {len(articles)} 篇文章 → {out_dir}", file=sys.stderr)
|
||||||
|
return len(articles), out_dir, True
|
||||||
|
|
||||||
|
def render_markdown(article, entry):
|
||||||
|
"""文章 → markdown 文件内容。"""
|
||||||
|
pub = entry.get("pub_date", "")
|
||||||
|
issue_label = entry.get("title", f"SRE Weekly Issue #{entry.get('id')}")
|
||||||
|
out = [f"# {article['title']}", ""]
|
||||||
|
out.append(f"- **期号**: {issue_label}({pub})")
|
||||||
|
out.append(f"- **作者**: {article['author'] or '—'}")
|
||||||
|
out.append(f"- **链接**: {article['url']}")
|
||||||
|
if article["body"]:
|
||||||
|
out += ["", "## 简介", "", article["body"]]
|
||||||
|
return "\n".join(out) + "\n"
|
||||||
|
|
||||||
|
def resolve_targets(target, manifest):
|
||||||
|
"""解析 --extract 的目标: ID / latest / pending / all → 期号列表。"""
|
||||||
|
issues = manifest["issues"]
|
||||||
|
if target == "latest":
|
||||||
|
ids = sorted(issues.keys(), key=lambda x: (isinstance(x, str), x))
|
||||||
|
# 数字优先按数值排,latest 取最大
|
||||||
|
nums = [i for i in issues if str(i).isdigit()]
|
||||||
|
return [str(max(int(n) for n in nums))] if nums else [ids[-1]]
|
||||||
|
if target == "pending":
|
||||||
|
return [str(i) for i, v in issues.items() if not v.get("extracted") or v.get("article_count", 0) == 0]
|
||||||
|
if target == "all":
|
||||||
|
return list(issues.keys())
|
||||||
|
t = str(target)
|
||||||
|
if t not in issues:
|
||||||
|
sys.exit(f"❌ 期 #{t} 不在 manifest 中,请先扫描")
|
||||||
|
return [t]
|
||||||
|
|
||||||
|
def cmd_extract(args, manifest, base_dir):
|
||||||
|
ids = resolve_targets(args.extract, manifest)
|
||||||
|
if not ids:
|
||||||
|
print("✅ 无待提取的期", file=sys.stderr)
|
||||||
|
return
|
||||||
|
for iid in ids:
|
||||||
|
extract_one(iid, manifest["issues"][str(iid)], base_dir, force=args.force)
|
||||||
|
save_manifest(base_dir, manifest)
|
||||||
|
|
||||||
|
# ---------------------------------------------------------------- 展示
|
||||||
|
|
||||||
|
def cmd_status(manifest):
|
||||||
|
issues = manifest["issues"]
|
||||||
|
print(f"📡 SRE Weekly 共 {len(issues)} 期(最后扫描: {manifest['last_scanned']})")
|
||||||
|
print()
|
||||||
|
header = f"{'期号':>6} {'日期':<12} {'HTML':<6} {'提取':<5} {'文章数':<6} 标题"
|
||||||
|
print(header)
|
||||||
|
print("-" * len(header))
|
||||||
|
for iid in sorted(issues.keys(), key=lambda x: int(x) if str(x).isdigit() else 0):
|
||||||
|
v = issues[iid]
|
||||||
|
html_ok = "✅" if v.get("html_file") else "—"
|
||||||
|
ext_ok = "✅" if v.get("extracted") and v.get("article_count", 0) > 0 else "—"
|
||||||
|
print(f"{iid:>6} {v.get('pub_date',''):<12} {html_ok:<6} {ext_ok:<5} {v.get('article_count',0):<6} {v.get('title','')}")
|
||||||
|
|
||||||
|
def cmd_issues(manifest):
|
||||||
|
for iid in sorted(manifest["issues"].keys(), key=lambda x: int(x) if str(x).isdigit() else 0):
|
||||||
|
v = manifest["issues"][iid]
|
||||||
|
print(f"{iid}\t{v.get('pub_date','')}\t{v.get('title','')}\t{v.get('url','')}")
|
||||||
|
|
||||||
|
# ---------------------------------------------------------------- main
|
||||||
|
|
||||||
|
def main():
|
||||||
|
ap = argparse.ArgumentParser(description="SRE Weekly 抓取 + 文章提取(供 n8n 定时调用)")
|
||||||
|
ap.add_argument("--feed", default=DEFAULT_FEED, help=f"RSS 地址(默认 {DEFAULT_FEED})")
|
||||||
|
ap.add_argument("--dir", default=DEFAULT_DIR, help=f"工作目录(默认 {DEFAULT_DIR})")
|
||||||
|
ap.add_argument("--check", action="store_true", help="只检查有无新期,输出 NEW:id,id 或 NONE")
|
||||||
|
ap.add_argument("--extract", metavar="ID|latest|pending|all", help="提取文章 → markdown")
|
||||||
|
ap.add_argument("--status", action="store_true", help="打印 manifest 状态表")
|
||||||
|
ap.add_argument("--issues", action="store_true", help="列出已登记的所有期")
|
||||||
|
ap.add_argument("--force", action="store_true", help="强制重新提取已提取过的期")
|
||||||
|
args = ap.parse_args()
|
||||||
|
|
||||||
|
base_dir = os.path.abspath(os.path.expanduser(args.dir))
|
||||||
|
os.makedirs(base_dir, exist_ok=True)
|
||||||
|
|
||||||
|
if args.extract or args.status or args.issues:
|
||||||
|
manifest = load_manifest(base_dir)
|
||||||
|
if args.extract:
|
||||||
|
cmd_extract(args, manifest, base_dir)
|
||||||
|
if args.status:
|
||||||
|
cmd_status(manifest)
|
||||||
|
if args.issues:
|
||||||
|
cmd_issues(manifest)
|
||||||
|
elif args.check:
|
||||||
|
manifest = load_manifest(base_dir)
|
||||||
|
cmd_check(args, manifest)
|
||||||
|
else:
|
||||||
|
manifest = load_manifest(base_dir)
|
||||||
|
cmd_scan(args, manifest, base_dir)
|
||||||
|
|
||||||
|
return 0
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
sys.exit(main())
|
||||||
Reference in New Issue
Block a user