Scripty Script

QR Code Generator Python Script

Written by

Geoff

in

This Python script uses the qrcode library to convert user-provided text or URLs into a QR code image, which is saved as a PNG file. It offers a simple way to quickly generate and share QR codes directly from your terminal.

Click to view script… 
#!/usr/bin/env python3
import qrcode

def generate_qr_code(data, filename="qr_code.png"):
    """
    Generates a QR code from the provided data and saves it to a file.

    Parameters:
        data (str): The text or URL to encode.
        filename (str): The name of the file to save the QR code image.
    
    Returns:
        str: The filename where the QR code is saved.
    """
    # Create a QRCode object with desired settings.
    qr = qrcode.QRCode(
        version=1,  # 1 means 21x21 matrix; increase for more data.
        error_correction=qrcode.constants.ERROR_CORRECT_H,  # High error correction.
        box_size=10,  # Size of each box in pixels.
        border=4,  # Border size in boxes.
    )
    
    # Add data to the QR code.
    qr.add_data(data)
    qr.make(fit=True)
    
    # Create an image from the QR code instance.
    img = qr.make_image(fill_color="black", back_color="white")
    img.save(filename)
    return filename

def main():
    print("=== QR Code Generator ===\n")
    data = input("Enter the text or URL you want to encode in the QR code: ").strip()
    if not data:
        print("No data provided. Exiting.")
        return

    filename = generate_qr_code(data)
    print(f"\nQR code generated and saved as '{filename}'.")

if __name__ == "__main__":
    main()

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