Broque Thomas 85984d4174 Amazon Music provider: metadata client + download source (T2Tunes) ...

core/amazon_client.py — T2Tunes-backed metadata client following the
DeezerClient/iTunesClient contract. Exposes search_tracks, search_artists,
search_albums, get_track_details, get_album, get_album_tracks, get_artist,
get_artist_albums, get_track_features. T2TunesStreamInfo dataclass captures
the hex decryption key returned by the proxy (CENC/AES-128). Handles the
"stremeable" API typo. 0.5 s rate-limit guard + api_call_tracker.

core/amazon_download_client.py — DownloadSourcePlugin backed by the above
client. Codec waterfall: FLAC → Opus → EAC3. Downloads the encrypted MP4
container, decrypts with ffmpeg -decryption_key, yields the native audio
file (.flac / .opus / .eac3). Not yet wired into the app source registry —
validated in isolation only; see tests/tools/.

tools/t2tunes_probe.py + tools/t2tunes_media_plan.py — standalone CLI tools
used for live API exploration during development.

tests/tools/test_amazon_client.py — 72 unit tests (all mocked).
tests/tools/test_amazon_download_client.py — 52 unit tests (all mocked).
124 tests pass.

2026-05-16 07:46:41 -07:00

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