174 lines
8.6 KiB
Markdown
174 lines
8.6 KiB
Markdown
# Guitar Tab Downloader
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A simple, fast, and powerful CLI tool to search, view, and download guitar tabs (Guitar Pro formats like `.gp`, `.gp3`, `.gp4`, `.gp5`, `.gpx`, etc.) from both **Songsterr.com** and **GProTab.net**.
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---
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## Features
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- **Dual-Source Support**: Integrates with both **Songsterr.com** (default) and **GProTab.net**.
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- **Songsterr Pagination & Unlimited Downloads**: The 50-tab limit on Songsterr is fully lifted! The tool implements automated offset-pagination loops to retrieve and download *all* available tabs for any artist.
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- **Interactive Multi-Tab Selection**: When batch-downloading an artist's tabs, a powerful index range selection engine prompts you (e.g. `1,3,5-10,12`), allowing you to download only specific tabs. Pressing **Enter** downloads all tabs as the default behavior.
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- **Automated Fallbacks**: When using Songsterr, if a search or download fails, the tool automatically falls back to GProTab.net to find your tabs.
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- **Pretty Table Formatting**: Displays search results in gorgeous, modern Unicode box-drawing tables with ANSI colors:
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- Header row styled in **Bold Cyan**.
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- Row indexes highlighted in **Bright Green** for quick interactive choices.
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- Song/Artist titles in **Bright White** and URLs in muted **Gray**.
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- **Interactive TUI Mode**: Launch the tool without flags for an interactive, colorized menu to search, browse, and download tabs on-the-fly.
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- **Automated CLI Mode**: Run headlessly with full command-line arguments and flags to automate downloads and search.
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- **Polite Batch Downloading**: Includes a configurable delay (default 1 second) between requests to respect rate limits.
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- **Smart Filename Extraction**: Saves files using authentic filenames pulled directly from download headers.
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---
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## Usage
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### Flags
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The complete list of supported command-line flags:
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| Flag | Type | Default | Description |
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| ------------------ | -------- | ----------- | --------------------------------------------------------------------------------------------------------------- |
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| `-site` | `string` | `songsterr` | Select source website: `'songsterr'` or `'gprotab'`. |
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| `-search-artist` | `string` | `""` | Search for artists matching the query and print a beautiful Unicode table. |
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| `-search-song` | `string` | `""` | Search for songs matching the query and print a beautiful Unicode table. |
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| `-download-artist` | `string` | `""` | Download tabs for an artist (prompts with interactive selection). Accepts artist name query, slug, or full URL. |
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| `-download-song` | `string` | `""` | Download a single song tab. Accepts song name query, slug, or full URL. |
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| `-output` | `string` | `downloads` | Destination directory for downloaded files. |
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| `-delay` | `int` | `1000` | Delay in milliseconds between downloads in batch/artist mode. |
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---
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### Interactive Mode
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- Run the compiled binary with no arguments to launch the colorized interactive menu:
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```bash
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./tab-downloader
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```
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Example prompt:
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```text
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=== Guitar Tab Downloader Menu (Site: Songsterr) ===
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1. Search for Artists
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2. Search for Songs
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3. Download Tabs for an Artist (allows selection/all)
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4. Download a Specific Song Tab
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5. Switch Site Source (Current: Songsterr)
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6. Exit
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==================================================
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Enter choice (1-6):
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```
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### Search
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- **Search using Songsterr** (default)
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```bash
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./tab-downloader -search-artist "The Eagles"
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```
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- **Search on GProTab.net**
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```bash
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./tab-downloader -search-artist "The Eagles" -site gprotab
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```
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- **Search for Songs**
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```bash
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./tab-downloader -search-song "Hotel California"
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```
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### Download
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- **Downloads the song** (automatically falling back to GProTab.net if Songsterr fails)
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```bash
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./tab-downloader -download-song "Hotel California" -output ./my_tabs
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```
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- **Download All Tabs for an Artist**
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Downloads tabs for an artist into a subdirectory named after the artist, with an interactive prompt allowing you to filter specific selections or download all by default:
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```bash
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./tab-downloader -download-artist "The Eagles" -output ./my_tabs
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```
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Example:
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```bash
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wompmacho@docker:/srv/dev/tab-downloader$ ./tab-downloader -download-artist "Sky Eats Airplane"
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[*] Trying Songsterr first for artist: Sky Eats Airplane
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[*] Searching Songsterr for artist: Sky Eats Airplane
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[+] Found 5 tabs for this artist on Songsterr.
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┌─────┬──────────────────────┬───────────────────┬───────────────────────────────────────────────────────────────────────────────────┐
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│ Idx │ Song Title │ Artist │ URL │
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├─────┼──────────────────────┼───────────────────┼───────────────────────────────────────────────────────────────────────────────────┤
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│ 1 │ Giants In The Ocean │ Sky Eats Airplane │ https://www.songsterr.com/a/wsa/sky-eats-airplane-giants-in-the-ocean-tab-s386244 │
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│ 2 │ She Is Just A Glitch │ Sky Eats Airplane │ https://www.songsterr.com/a/wsa/sky-eats-airplane-she-is-just-a-glitch-tab-s53681 │
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│ 3 │ Photographic Memory │ Sky Eats Airplane │ https://www.songsterr.com/a/wsa/sky-eats-airplane-photographic-memory-tab-s79812 │
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│ 4 │ Sound Of Symmetry │ Sky Eats Airplane │ https://www.songsterr.com/a/wsa/sky-eats-airplane-sound-of-symmetry-tab-s3385754 │
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│ 5 │ Numbers │ Sky Eats Airplane │ https://www.songsterr.com/a/wsa/sky-eats-airplane-numbers-tab-s3799256 │
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└─────┴──────────────────────┴───────────────────┴───────────────────────────────────────────────────────────────────────────────────┘
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Enter selection (e.g., 1-5,7,10-12) or press Enter to download all [Default: all]:
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[*] Downloading all songs.
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[*] Downloading tabs to: downloads/Sky Eats Airplane
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[1/5] Downloading: Giants In The Ocean
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[+] Saved to: downloads/Sky Eats Airplane/Sky Eats Airplane - Giants In The Ocean.gp
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[2/5] Downloading: She Is Just A Glitch
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[+] Saved to: downloads/Sky Eats Airplane/Sky Eats Airplane - She Is Just A Glitch.gp
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[3/5] Downloading: Photographic Memory
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[+] Saved to: downloads/Sky Eats Airplane/Sky Eats Airplane - Photographic Memory.gp
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[4/5] Downloading: Sound Of Symmetry
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[+] Saved to: downloads/Sky Eats Airplane/Sky Eats Airplane - Sound Of Symmetry.gp
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[5/5] Downloading: Numbers
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[+] Saved to: downloads/Sky Eats Airplane/Sky Eats Airplane - Numbers.gp
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[+] Finished downloading artist tabs from Songsterr!
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```
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---
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## Development
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Ensure you have [Go](https://go.dev/) (version 1.20 or higher) and [Node.js](https://nodejs.org/) installed (Node.js is used by the Songsterr download helper script).
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### Build
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- **Navigate to the project directory**
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```bash
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cd /srv/dev/tab-downloader
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```
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- **Build the binary**
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```bash
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go build -o tab-downloader main.go
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```
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### Test
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The project includes lightweight, zero-dependency unit tests for both the Go orchestrator and the TypeScript converter utilities.
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- **Go Unit Tests**
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Run the Go test suite to verify GProTab path normalization, Songsterr name slugifying, and our multi-index selection range parser:
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```bash
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go test -v
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```
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- **TypeScript Unit Tests**
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Run the Node.js native test suite to verify Songsterr musical duration matching and General MIDI program mappings:
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```bash
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node --experimental-strip-types songsterr/duration-mapper.test.ts
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```
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--- |