QR-code for contact information

There’s also a templatetag to render a QR-code that allows to store some contact information, such as name, phone number, email address or our company name.

Its usage is similiar to the basics:

{% qr_from contact contact "size" %}

Where:

• Size is the same as previosly

• contact should be a Python dictionary (or any other hash structure) that could contain the following elements:

• name - Complete name

• phone_number

• email

• url - some url address, your blog or personal webpage

• company

For instance, you could create a contact dictionary like the following:

contact = {
    'name': 'Pablo Recio',
    'phone_number': '00000000',
    'email': 'foo@example.com',
    'url': 'http://www.zocolab.es',
    'company': 'Zocolab',
}

QR-code of Django object URL

Another templatetag can be used to render a QR-code that links to a Django object URL. As the previous templatetags, the usage is very simple:

::

{% qr_from_object object “size” %}

Where:

• Size is the same as previosly

• Object it’s an instance of a Django model, that must implements the ‘get_absolute_url’ method in order to get the object’s address.

Change service for QR generating

By default, django-qr uses Google Chart for generating the QR-code. But this can be changed with a new template. The default template qrcode/qr_tag.html contains the following:

<img src="http://chart.apis.google.com/chart?cht=qr&chs={{ size }}x{{ size }}&chl={{ text }}" />

But if you want to use some other service, like qrserver, you just need to add a new template in your templates dirs with the following code:

<img src="http://api.qrserver.com/v1/create-qr-code/?size={{ size }}x{{ size }}&data={{ text }}" />

The idea is that your qrcode/qr_tag.html contains an img tag and the call to the service that you want, mantaining the variables size and data.