Python Data Tree Visualizer

A powerful ANSI-colored tree visualization tool for nested Python data structures.

Features

• 🎨 Color-coded output for easy differentiation of data types
• 🌳 Hierarchical display of complex nested structures
• 🔍 Type information shown for all elements
• 📊 Index numbering for easy navigation
• 🏷️ Custom formatting for special Python objects
• 🚀 Supports all standard Python types plus custom classes

Installation

• Download

• curl -O https://github.com/OkhtayMp/python-data-tree/raw/refs/heads/main/datatree.py

Usage

from datatree import print_tree

data = {
    "name": "Test",
    "values": [1, 2, 3],
    "nested": {
        "key": "value",
        "status": True
    }
}

print_tree(data)

Example Output

This output is color-coded like the image: Image

├── 0 name (str) ▶ Test
├── 1 values (list)
│   ├── 1.0 (int) ▶ 1
│   ├── 1.1 (int) ▶ 2
│   ╰── 1.2 (int) ▶ 3
╰── 2 nested (dict)
    ├── 2.0 key (str) ▶ value
    ╰── 2.1 status (bool) ▶ True

click -> Advanced example

Type Support Matrix 🔢

Category	Supported Types	Special Features
Primitives	int, float, str, bool	Value highlighting
Containers	list, dict, set, tuple	Size indicators
Callables	Functions, methods, lambdas	Qualified name display
Objects	Classes, instances	Attribute summary
Special	bytes, range, exceptions	Custom representations

Requirements

• Python 3.10+
• Terminal with ANSI color support

Contributing 🤝

Pull requests are welcome! For major changes, please open an issue first to discuss what you'd like to change.

License 📜

This project is licensed under the MIT License - see the LICENSE file for details.