Munager

中文文档

0x00 Intro

Munager is a music library management helper that have several functions:

• Automatically search for lyric files on online services like Netease Music, etc.
• Syncs your music library between devices with customizable transcoding rules.

0x01 Install

If you wanna compile yourself, just clone this project and run go build ..

If you just want to run the binary, find it in Releases or Github Actions Artifacts for CI Build.

0x02 Usage

Munager is quite self-explained. Use --help for explainations.

Lyric

Type munager lyric for help. It have several subcommand which does:

• query Querys lyric for given keyword.
• fetch Fetches lyrics for every songs in provided path.

Sync

Type munager sync for help. It have several subcommands which does:

• client Starts a client. It can automatically discover server side and syncs local music library with server side. You can also transcode your received songs to another format (FFmpeg) using --transcode flag.
• server Starts a server. It broadcasts its existance to local network, and serves local music library as you expected.

0x03 Example

Fetching lyrics

Now you have an folder which contains some songs:

THE BOOK
├── 01. Epilogue.flac
├── 02. アンコール.flac
├── 03. ハルジオン.flac
├── 04. あの夢をなぞって.flac
├── 05. たぶん.flac
├── 06. 群青.flac
├── 07. ハルカ.flac
├── 08. 夜に駆ける.flac
├── 09. Prologue.flac
└── cover.png

1 directory, 10 files

To fetch lyric for it, just run

$ munager lyric fetch --path="./THE BOOK/"
2023-07-14 09:43:53  [I]  Found 9 songs without lyrics
 100% |███████████████████████████████████████████████████████████████████████████████████████████| (9/9, 7 it/s)        
2023-07-14 09:43:55  [I]  Done!

Then you should see some .lrc files in your sweet folder.

THE BOOK
├── 01. Epilogue.flac
├── 01. Epilogue.lrc
├── 02. アンコール.flac
├── 02. アンコール.lrc
├── 03. ハルジオン.flac
├── 03. ハルジオン.lrc
├── 04. あの夢をなぞって.flac
├── 04. あの夢をなぞって.lrc
├── 05. たぶん.flac
├── 05. たぶん.lrc
├── 06. 群青.flac
├── 06. 群青.lrc
├── 07. ハルカ.flac
├── 07. ハルカ.lrc
├── 08. 夜に駆ける.flac
├── 08. 夜に駆ける.lrc
├── 09. Prologue.flac
├── 09. Prologue.lrc
└── cover.png

1 directory, 19 files

Syncing music library

Imagine you have two devices which contains music library that is not synced.

server
└── THE BOOK
    ├── 01. Epilogue.flac
    ├── 01. Epilogue.lrc
    ├── 02. アンコール.flac
    ├── 02. アンコール.lrc
    ├── 03. ハルジオン.flac
    ├── 03. ハルジオン.lrc
    ├── 04. あの夢をなぞって.flac
    ├── 04. あの夢をなぞって.lrc
    ├── 05. たぶん.flac
    ├── 05. たぶん.lrc
    ├── 06. 群青.flac
    ├── 06. 群青.lrc
    ├── 07. ハルカ.flac
    ├── 07. ハルカ.lrc
>   ├── 08. 夜に駆ける.flac
>   ├── 08. 夜に駆ける.lrc
>   ├── 09. Prologue.flac
>   ├── 09. Prologue.lrc
    └── cover.png   
client
└── THE BOOK
    ├── 01. Epilogue.flac
    ├── 01. Epilogue.lrc
    ├── 02. アンコール.flac
    ├── 02. アンコール.lrc
    ├── 03. ハルジオン.flac
    ├── 03. ハルジオン.lrc
    ├── 04. あの夢をなぞって.flac
    ├── 04. あの夢をなぞって.lrc
    ├── 05. たぶん.flac
    ├── 05. たぶん.lrc
    ├── 06. 群青.flac
    ├── 06. 群青.lrc
    ├── 07. ハルカ.flac
    ├── 07. ハルカ.lrc
    └── cover.png

4 directories, 34 files

On server side, just run munager sync server, and on client side, just run munager sync client. After they do their stuff, the music library should be synced.

Adding a --transcode flag can also achieve this:

server
└── THE BOOK
    ├── 01. Epilogue.flac
    ├── 02. アンコール.flac
    ├── 03. ハルジオン.flac
    ├── 04. あの夢をなぞって.flac
    ├── 05. たぶん.flac
    ├── 06. 群青.flac
    ├── 07. ハルカ.flac
    ├── 08. 夜に駆ける.flac
    ├── 09. Prologue.flac
    └── cover.png
client
└── THE BOOK
    ├── 01. Epilogue.opus
    ├── 02. アンコール.opus
    ├── 03. ハルジオン.opus
    ├── 04. あの夢をなぞって.opus
    ├── 05. たぶん.opus
    ├── 06. 群青.opus
    ├── 07. ハルカ.opus
    ├── 08. 夜に駆ける.opus
    ├── 09. Prologue.opus
    └── cover.png

4 directories, 20 files

0xFF Credits

• Netease API is somehow encrypted, I took some code from mxget for reference.