Create a Reusable QR Code Generator with PyQt5

QR codes have become an ubiquitous part of our digital landscape, found on everything from product packaging to restaurant menus. They offer a convenient and efficient way to share information, such as URLs, phone numbers, and social media links. In this article, we’ll build a user-friendly QR code generator application using PyQt5 and the QRCode library in Python.

Setting Up the Project

First, we’ll import the necessary libraries:

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QPushButton, QLabel, QLineEdit, QMessageBox
from PyQt5.QtGui import QPixmap
import qrcode
from io import BytesIO
from PyQt5.QtCore import Qt

These libraries provide the essential components for building our GUI and generating QR codes.

Creating the QRCodeGenerator Class:

The QRCodeGenerator class serves as the main component of our application. It handles the user interface, QR code generation, and updating the label with the generated QR code image.

class QRCodeGenerator(QWidget):

    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        # Create layout
        layout = QVBoxLayout()

        # Create widgets
        self.url_input = QLineEdit(self)…