Tkinter Accessibility Lint Plugin

A pylint plugin that inspects tkinter usage in Python to enforce accessibility best practices.

Features

This plugin provides the following accessibility checks for tkinter applications:

• UI elements should have text attributes - Ensures that UI elements like buttons, labels, and entries have appropriate text content for screen readers
• UI controls should have tab index assignment - Verifies that interactive controls have proper tab order for keyboard navigation

Installation

pip install tkinter-a11y-lint

Or install from source:

git clone https://github.com/yourusername/tkinter-a11y-lint.git
cd tkinter-a11y-lint
pip install -e .

Usage

Command Line

Run pylint with the plugin enabled:

pylint --load-plugins=tkinter_a11y_lint.plugin your_tkinter_app.py

Configuration File

Add to your .pylintrc file:

[MASTER]
load-plugins=tkinter_a11y_lint.plugin

Error Codes

Examples

Missing Text Attribute (C9001)

import tkinter as tk

root = tk.Tk()
# Bad: Button without text
button = tk.Button(root)  # Will trigger C9001

# Good: Button with text
button = tk.Button(root, text="Click me")

Missing Tab Index (C9002)

import tkinter as tk

root = tk.Tk()
# Bad: Entry without tab index
entry = tk.Entry(root)  # Will trigger C9002

# Good: Entry with tab index
entry = tk.Entry(root)
entry.configure(takefocus=True)
# or
entry = tk.Entry(root, takefocus=True)

Development

Setup Development Environment

git clone https://github.com/yourusername/tkinter-a11y-lint.git
cd tkinter-a11y-lint
pip install -e ".[dev]"

Running Tests

pytest

Code Formatting

black tkinter_a11y_lint/

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

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