Book Image

Python GUI Programming - A Complete Reference Guide

By : Alan D. Moore, B. M. Harwani
Book Image

Python GUI Programming - A Complete Reference Guide

By: Alan D. Moore, B. M. Harwani

Overview of this book

A responsive graphical user interface (GUI) helps you interact with your application, improves user experience, and enhances the efficiency of your applications. With Python, you’ll have access to elaborate GUI frameworks that you can use to build interactive GUIs that stand apart from the rest. This Learning Path begins by introducing you to Tkinter and PyQt, before guiding you through the application development process. As you expand your GUI by adding more widgets, you'll work with networks, databases, and graphical libraries that enhance its functionality. You'll also learn how to connect to external databases and network resources, test your code, and maximize performance using asynchronous programming. In later chapters, you'll understand how to use the cross-platform features of Tkinter and Qt5 to maintain compatibility across platforms. You’ll be able to mimic the platform-native look and feel, and build executables for deployment across popular computing platforms. By the end of this Learning Path, you'll have the skills and confidence to design and build high-end GUI applications that can solve real-world problems. This Learning Path includes content from the following Packt products: Python GUI Programming with Tkinter by Alan D. Moore Qt5 Python GUI Programming Cookbook by B. M. Harwani
Table of Contents (28 chapters)
Title Page

Introduction

SQLite is a very easy-to-use database engine. Basically, it is a lightweight database meant to be used in small applications that can be stored in a single disk file. It is a very popular database used in phones, tablets, small appliances, and instruments. SQLite does not require a separate server process, and does not even require any configuration.

To make this database easy to use in Python scripts, the Python Standard Library includes a module called sqlite3. So, to use SQLite in any Python application, you need to import the sqlite3 module using the import statement shown here:

import sqlite3

The first step to use any database is to create a connect object, by means of which you need to establish a connection with the database. The following example establishes a connection to the ECommerce database:

conn = sqlite3.connect('ECommerce.db')

This example...