affinity-code-viewer 0.1.0

A modern replacement for cat and bat

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The ultimate, highly-aesthetic replacement for cat and bat.

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🚀 Overview

Affinity is a next-generation terminal tool designed for developers who want the rich viewing experience of modern IDEs (like VS Code) directly in their command line.

Say goodbye to plain text dumps. Affinity parses your code, wraps it in beautiful Unicode borders, syntax-highlights every token flawlessly, and visually connects logical code blocks using intelligent vertical scope guides.

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✨ Spectacular Features

Feature	Description
🎨 VS Code Scope Guides	Intelligent vertical indentation guides that dynamically track scopes.
🌈 Syntax Highlighting	Real-time, hierarchical token parsing powered by Pygments.
📦 Unicode UI Frames	Beautiful frames that seamlessly resize to your terminal width without breaking.
🌲 Directory Viewer	Automatically renders beautiful file trees when passed a directory instead of a file.
🎭 Theme Engine	First-class support for Monokai, Dracula, One Dark, Nord, Solarized, and more.
🔍 Search Highlighting	Find occurrences instantly within files via the --search flag.
🎯 Focus Mode	Jump straight to the context you need with --line <num> highlighting.
⚡ Auto-Wrapping	Long lines gracefully wrap to the next line keeping your UI boxed flawlessly.

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💻 Installation

We provide an extremely straightforward installation suite. No system-level package conflicts, no dependency hell.

Automated Setup (Recommended)

Simply clone this repository and run the startup script. It bypasses environment headaches and securely installs the package exclusively for your local user.

# Securely install and configure Affinity
./start.sh

Note: The script will automatically add ~/.local/bin to your PATH if it isn't already there!

Uninstallation

To cleanly wipe Affinity and all its artifacts from your system:

# Remove Affinity and clean up build artifacts
./remove.sh

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🛠️ CLI Usage

Affinity was designed with an intuitive, human-first command-line interface.

# 📖 Basic File Viewing
affinity main.py

# 🌲 View an entire directory tree
affinity src/

# 🧛 Use a specific color theme
affinity main.py --theme dracula

# 🔍 Highlight search terms in the file
affinity config.yaml --search "database"

# 🎯 Highlight a specific line
affinity server.rs --line 145

# 🚫 Disable all formatting (acts like standard 'cat')
affinity data.txt --plain

# ℹ️ View all available CLI options
affinity --help

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⚙️ Configuration

Tired of passing the --theme flag every time? Affinity supports permanent user configuration.

Simply create a file at ~/.config/affinity/config.toml:

# Default configuration
theme = "dracula"
line_numbers = true
wrap = true
scope_guides = true

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🧬 Architecture

Affinity achieves its stunning visuals by bridging Pygments (for robust token lexing) and Rich (for terminal ANSI rendering).

Unlike standard bat, Affinity intercepts the token stream and injects calculated │ characters at precise indentation boundaries by reading mathematical spaces, ensuring that syntax colors (spans) are perfectly preserved even when slicing text arrays on the fly.

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🤝 Contributing

We welcome contributions from developers across the globe!

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

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❓ FAQ

Q: Does Affinity support binary files?
A: Yes! Affinity detects binary signatures automatically and gracefully prevents terminal garbage output.

Q: Why not just use bat?
A: bat is incredible, but Affinity goes a step further by natively rendering VS Code-like vertical indentation guides. This makes reading heavily nested Python or YAML files infinitely easier in the terminal.

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Built with ❤️ for developers everywhere.