title: django how to generate QR code in my model
body: <p>I'm new to Django and I came to the part where I need to generate a QR barcode for each product in my App </p>
  
  <p>I found two libraries <code>django-qr-code</code> and <code>django-qrcode</code></p>
  
  <p>what is the deference between these two libraries and which one I should use</p>
  
  <p>the other point is there any good tutorial I can follow to generate a QR code in a model ?</p>