Generate QR Codes Easily with Python

Python QR Code Generator with Source Code

Python is an open-source and object-oriented programming language which is used in many applications and projects. It is one of the most popular programming languages and is widely used for scripting, web development, data analysis and machine learning. The Python QR Code Generator is a project developed in Python language. This application will allow users to generate QR codes quickly and easily.

Why Use a Python QR Code Generator?

QR codes are a great way to store information quickly and securely. They are used in many places such as on business cards and product packaging. With the help of a Python QR Code Generator, users can easily create unique QR codes with just a few lines of code. This project is open source and completely free to use.

How to Use the Python QR Code Generator

The project is written in Python 3 and consists of a single file which can be downloaded from GitHub. All that is needed to use the generator is to include the ‘qrcode’ module in the file. The following code can be used to create an instance of the QR code generator:

import qrcode qr = qrcode.QRCode( version=1, box_size=10, border=5 )

Once the instance is created, then users can use the ‘add_data’ method to add the data they wish to be encoded into the QR code. Finally, the ‘make’ method needs to be called to actually generate the QR code.

The Python QR Code Generator can be a great tool for those who need to generate QR codes quickly, or for those looking to get their feet wet in Python programming. It is a very easy to use and versatile project which makes it the perfect choice for beginners.

 

Python code that uses the qrcode library to generate a QR code:

import qrcode

# Define the data to be encoded in the QR code
data = "https://www.example.com"

# Create a QR code instance
qr = qrcode.QRCode(version=1, box_size=10, border=4)

# Add data to the QR code
qr.add_data(data)

# Compile the QR code
qr.make(fit=True)

# Generate an image from the QR code
img = qr.make_image(fill_color="black", back_color="white")

# Save the image file
img.save("qrcode.png")

In the above code, we first import the qrcode library. Then, we define the data to be encoded in the QR code as a string variable data.

Next, we create a QRCode instance with specified version, box_size, and border parameters. We then add the data to the QR code using the add_data() method.

We compile the QR code by calling the make() method with fit=True argument. Then, we generate an image from the QR code using the make_image() method and specify the fill and background colors.

Finally, we save the QR code image as a PNG file using the save() method.

This code will generate a PNG image file named qrcode.png containing the QR code that encodes the given data.