Textual

Textual is a Python TUI framework and asynchronous UI library used to build interactive text user interfaces. It provides a component-based architecture for creating cross-platform applications that run in both terminal and web browser environments.

The framework distinguishes itself by utilizing a CSS-based layout engine to apply visual styles to widgets and a command palette interface for discovering and executing application functions. It also supports hosting terminal-based interfaces on the web to enable remote access via a standard browser.

The toolkit covers a broad range of capabilities including asynchronous UI programming, widget-based layout composition, and terminal emulation. It includes observability tools for console debugging that allow system messages and events to be captured in a separate terminal instance.

Features

Terminal User Interfaces - A comprehensive framework for building, styling, and managing interactive text-based interfaces within a terminal.

Cross-Platform Terminal Utilities - Ensures consistent rendering and behavior of sophisticated terminal applications across different operating systems.

Asynchronous Event Loops - Implements an asynchronous event loop to drive the user interface and ensure non-blocking execution.

Asynchronous Programming - Provides a framework for building responsive user interfaces using asynchronous programming patterns.

Component Hierarchies - Organizes the user interface as a tree of nested widgets that propagate styling and layout constraints.

Asynchronous Component Libraries - Provides a component-based interface system built on an asynchronous core for non-blocking application execution.

Cross-Platform TUI Frameworks - Provides a component-based architecture for creating text-based user interfaces that run in both terminal and web environments.

Layout Composition Frameworks - Provides a system for nesting and structuring UI components within containers to build complex terminal and web interfaces.

Terminal UI Frameworks - A framework for building interactive text user interfaces in terminal and web browser environments using Python.

CSS Layout Systems - Uses a CSS-based layout engine to calculate element positions and sizes for terminal widgets.

Terminal UI Layouts - Offers a flexible system for arranging interface elements and organizing data in terminal-based applications.

In-App Debugging Consoles - Provides a separate console for real-time access to application logs and system events during runtime.

Terminal Debugging Tools - Includes tools for real-time logging and event monitoring specifically for TUI applications.

Command Palettes - Ships a fuzzy-searchable interface for discovering and executing built-in or custom application commands.

Web-Based Terminal Emulators - Provides terminal emulation that allows text-based interfaces to be rendered and interacted with in a web browser.

Hosted Web Interfaces - Facilitates hosting terminal-based interfaces as publicly accessible web portals for remote browser access.

TUI Libraries - TUI framework for Python.

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Features

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