Tutorials

Step-by-step tutorials that guide you through building complete applications with Wren-CLI. Each tutorial introduces new concepts and builds upon previous knowledge.

Building an HTTP Client

Learn to make HTTP requests, parse JSON responses, and handle errors while building a REST API client.

http json

WebSocket Chat Application

Build a real-time chat application using WebSockets with both client and server components.

websocket fibers

Database Application

Create a complete CRUD application using SQLite for persistent data storage.

sqlite io

Dataset ORM

Master the dataset module for effortless database operations with automatic schema management.

dataset sqlite

Template Rendering

Use Jinja templates to generate HTML pages, reports, and configuration files.

jinja io

Building a CLI Tool

Create a command-line application with argument parsing, user input, and subprocess management.

os subprocess

Building a Web Server

Build HTTP servers with routing, sessions, middleware, and REST APIs using the web module.

web http

Learning Path

If you are new to Wren-CLI, we recommend following the tutorials in this order:

  1. HTTP Client - Introduces async operations and JSON handling
  2. Database Application - Covers raw SQLite data persistence
  3. Dataset ORM - Effortless database operations with automatic schema
  4. Template Rendering - Learn the Jinja template system
  5. WebSocket Chat - Advanced async patterns with fibers
  6. CLI Tool - Bringing it all together in a real application
  7. Web Server - Build complete web applications with the web module

Prerequisites

Before starting the tutorials, you should: