Export Douban collections to local CSV

Export and sync Douban collections to CSV via scraping or RSS

Exporting personal Douban history (books, movies, music, games) to local CSV for Obsidian vault or offline reference without manual copying.

• · Douban user ID
• · Category filter (books, movies, music, games)
• · Status filter (read/doing/want)

• · CSV files (书.csv, 影视.csv, 音乐.csv, 游戏.csv)
• · Columns: title, url, date, rating, status, comment
• · Output in ~/douban-sync/{user_id}/ by default

• · Puppeteer (for browser scraping, if needed)
• · douban-scraper.mjs or douban-rss-sync.mjs script
• · Douban RSS feed (for incremental sync)

• · Douban user account and visible collections
• · DOUBAN_USER environment variable set
• · Node.js installed
• · Logged into Douban if using browser scraper

• · Rate limiting blocks scraper after many requests
• · Douban delists entries causing mismatches
• · RSS feed unavailable or not updated for user
• · Browser session expires during long scrapes

• · Two modes available: full export (Puppeteer) and incremental sync (RSS)
• · Deduplication by URL prevents file corruption
• · Rate limiting guidance (2-3s between pages) documented