v0.2.0 — C-accelerated decrypt + album batch + full metadata

What's New

C-Accelerated Decrypt

• QMC2 MapCipher + RC4 implemented in C, auto-compiles on first use
• ~39x faster than pure Python (30MB FLAC: 0.3s vs 12s)
• Falls back to pure Python if gcc unavailable

Album Batch Download

• qmdec album <singer_mid> -o <dir> — download entire discography
• Concurrent workers (default 16), skips existing files
• Auto-decrypt + tag in one pass

Complete Metadata

• Title, Artist, Album Artist, Album
• Track/Disc number, Year, Genre, Language
• LRC lyrics with Chinese translation
• 500x500 album cover art

Install

pip install git+https://github.com/Sophomoresty/qmdec.git

Requires Python 3.10+ and gcc (optional, for C acceleration).