feat: Add browser cookie authentication for age-restricted videos#565
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PhilBrk8 wants to merge 5 commits intojdepoix:masterfrom
Open
feat: Add browser cookie authentication for age-restricted videos#565PhilBrk8 wants to merge 5 commits intojdepoix:masterfrom
PhilBrk8 wants to merge 5 commits intojdepoix:masterfrom
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Implement cookie extraction from browser databases, similar to yt-dlp's approach. Supports Chrome, Firefox, Edge, Brave, Chromium, Opera, and Vivaldi across Linux, macOS, and Windows. - _cookies.py: Browser detection and cookie extraction logic - _decryptors.py: Platform-specific cookie decryption (AES-CBC/GCM, DPAPI)
- Add cookies_from_browser parameter to YouTubeTranscriptApi - Add --cookies-from-browser CLI flag - Update AgeRestricted error with auth instructions - Add CookieError, CookiePathInvalid, CookieInvalid exceptions
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Summary
Re-implements cookie authentication using browser cookie extraction (similar to yt-dlp's approach), enabling access to age-restricted video transcripts.
pip install 'youtube-transcript-api[cookies]'Usage
Python API:
from youtube_transcript_api import YouTubeTranscriptApi
api = YouTubeTranscriptApi(cookies_from_browser='chrome')
transcript = api.fetch('VIDEO_ID')
CLI
youtube_transcript_api VIDEO_ID --cookies-from-browser firefoxTest plan
[x] Unit tests for cookie extraction (test_cookies.py)
[x] Platform detection tests (Linux/macOS/Windows)
[x] Browser path resolution tests
[x] Firefox cookie extraction (unencrypted)
[x] Chrome cookie extraction with mocked decryptor
[x] Error handling for unsupported browsers
[x] All existing tests pass (93 passed, 5 skipped)
The 5 skipped tests are pre-existing disabled tests for the old cookie_path file-based approach.