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A rethink of django.contrib.sitemaps that focuses on better performance, more flexibliity and support for a larger variety of formats.

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Django Sitemap Extras

Author: Justin Quick <[email protected]>
Version: 0.1.0
Release:0.1.0alpha1

Django Sitemap Extras is a rethink of the builtin django.contrib.sitemaps module which focuses on better performance, more flexibliity and support for a larger variety of formats. Just like the contrib sitemaps app, Sitemap extras suports the regular sitemaps.org protocol of Sitemaps and Sitemap Indexes. In addition, the app also supports the Google Sitemap formats including video, images, mobile, and news.

Install

Use pip for installation. This package requires the lxml library which means you will need a C compiler. This package relies heavily on class based views so if you have Django<=1.2 installed, you will need the django-cbv package.

pip install git+https://github.com/justquick/django-sitemap-extras.git#egg=django-sitemap-extras

You may add sitemapext to your INSTALLED_APPS if you wish to test it within your project, but it is not necessary otherwise.

Compatibility

Django Sitemap Extras has been tested with all of the following setups

Django:1.2, 1.3, 1.4, 1.5, 1.6
Python:2.6, 2.7, 3.2, 3.3, PyPy

Basic Usage

All Sitemaps are based on class based views so you can override the model/queryset/get_queryset attributes in order to generate the items to represent in a Sitemap. Querysets are paginated by 50,000 items by default to match the Sitemap protocol specs but you can override any pagination settings just like any other ListView class. Just like the contrib sitemaps app, you can specify the sitemap specific attributes (eg lastmod, changefreq) on the Sitemap subclass using functions that take an object and return the Sitemap information. For the following usage examples we will use the simple model below as an example

class MyModel(models.Model):
    name = models.TextField()
    update_date = models.DateTimeField()
    pub_date = models.DateTimeField()
    is_mobile = models.BooleanField(default=False)

Simple Sitemaps

from sitemapext import SitemapView

class MySitemapView(SitemapView):
    model = MyModel

    def priority(self, obj):
        return .5  # Float from 0.0 to 1.0

    def lastmod(self, obj):
        return obj.update_date.date()  # Date or datetime instance

    def changefreq(self, obj):
        return 'daily'  # One of the change frequencies from the Sitemap spec

Initialization

To activate sitemap generation on your Django site, add these lines to your URLconf:

from sitemapext import SitemapIndex, SitemapGenerator

sitemaps = {
    'simple': ModelSitemapView,
}

urlpatterns = patterns('',
    url(r'^sitemap-index\.xml$', SitemapIndex.as_view(),
        {'sitemaps': sitemaps, 'generator': 'sitemap-generator'}),
    url(r'^sitemap-(?P<section>.+)\.xml$', SitemapGenerator.as_view(),
        {'sitemaps': sitemaps}, name='sitemap-generator'),
)

The SitemapIndex view takes a 'generator' kwarg which is the name of the URL for the SitemapGenerator view. The SitemapGenerator view takes a 'section' kwarg which corresponds to the section key of the sitemaps dictionary.

Google Sitemaps

The rest of the Google defined Sitemaps extend the basic SitemapView so they can also support the same overrides as well as defining some extra attributes. To initialize them, just add them to the sitemaps dictionary above for use in the SitemapIndex/SitemapGenerator views.

News Sitemaps

from sitemapext import NewsSitemapView

class MyNewsSitemapView(NewsSitemapView):
    model = MyModel

    def publication(self, obj):
        return {
            'name': 'The Example Timesname',
            'language': 'en',
        }

    def access(self, obj):
        return 'Subscription'

    def genres(self, obj):
        return ('PressRelease', 'Blog')

    def publication_date(self, obj):
        return obj.pub_date

    def title(self, obj):
        return obj.name

    def keywords(self, obj):
        return ('business', 'merger', 'acquisition')

    def stock_tickers(self, obj):
        return ('NASDAQ:A', 'NASDAQ:B')

Image Sitemaps

from sitemapext import ImageSitemapView

class ModelImageSitemapView(ImageSitemapView):
    model = MyModel

    def images(self, obj):
        # Returns a list of dictionaries of images that pertain to a particular MyModel instance.
        return [
            {
                'loc': 'http://www.example.com/image.jpg',
                'geo_location': 'Washington DC',
                'caption': 'Full size image',
                'license': 'http://www.example.com/license'
            }
        ]

Video Sitemaps

from sitemapext import VideoSitemapView

class MyVideoSitemapView(VideoSitemapView):
    model = MyModel

    def thumbnail_loc(self, obj):
        return 'http://www.example.com/thumbs/123.jpg'

    def title(self, obj):
        return obj.name

    def description(self, obj):
        return 'Alkis shows you how to get perfectly done steaks every time'

    def content_loc(self, obj):
        return 'http://www.example.com/video123.flv'

    def player(self, obj):
        return {
            'allow_embed': True,
            'autoplay': "ap=1",
            'loc': 'http://www.example.com/videoplayer.swf?video=123',
        }

    def duration(self, obj):
        return 600

    def expiration_date(self, obj):
        return datetime(2014, 1, 1)

    def rating(self, obj):
        return 4.2

    def view_count(self, obj):
        return 12345

    def publication_date(self, obj):
        return obj.pub_date

    def family_friendly(self, obj):
        return True

    def restriction(self, obj):
        return 'allow', 'IE GB US CA'

    def gallery_loc(self, obj):
        return 'http://cooking.example.com', 'Cooking Videos'

    def prices(self, obj):
        return [
            {
                'currency': 'USD',
                'value': 1.99,
                'type': 'rent',
                'resolution': 'SD'
            }
        ]

    def requires_subscription(self, obj):
        return False

    def uploader(self, obj):
        return 'GrillyMcGrillerson', 'http://www.example.com/users/grillymcgrillerson'

    def live(self, obj):
        return True

Mobile Sitemaps

Mobile Sitemaps are just like the regular Sitemaps except they can contain only URLs that serve mobile web content.

from sitemapext import MobileSitemapView

class MyMobileSitemapView(MobileSitemapView):
    queryset = MyModel.objects.filter(is_mobile=True)

Testing

The best way to test this package in all circumstances is using Tox. Clone the project and run:

$ tox

This will take a long time to download and compile all the packages required. If you are testing database integration, make sure you have a database named "test" setup for MySQL and PostgreSQL.

You can just run the unittests at any point on the standard sqlite3 setup by running:

$ python sitemapext/runtests/runtests.py

If you are using sitemapext in your project, you can test it like any other Django app:

$ django-admin.py test sitemapext

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A rethink of django.contrib.sitemaps that focuses on better performance, more flexibliity and support for a larger variety of formats.

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