fix: improve fetch_youtube.py reliability and rate-limit handling - #88
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- Let yt-dlp handle subtitle downloads via download=True + temp dir (carries cookies, retries, and rate-limit handling properly) - Stop immediately on 429 rate limiting instead of continuing to fail - Add --cookies-from-browser flag for authenticated sessions (~6x limits) - Add --delay flag for inter-video throttling - Write output incrementally so --append can resume after interruption - Remove unnecessary format selection that broke some videos - Reduce main() cognitive complexity via helper function extraction Closes #87 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove unnecessary f-prefix from strings without interpolation. Set sonar.python.version=3.12 for more precise analysis. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
download=True+ temp dir so cookies and rate-limit handling apply to subtitle fetches--cookies-from-browserflag for authenticated YouTube sessions (~6x higher rate limits)--delayflag for inter-video throttling--appendcan resume after interruptionformat: "best"that caused errors on some videosCloses #87
Test plan
--cookies-from-browser firefox --delay 5--appendcorrectly resumes after interruption🤖 Generated with Claude Code