• Language: en

Source code for django.contrib.sitemaps

from urllib.parse import urlencode
from urllib.request import urlopen

from django.apps import apps as django_apps
from django.conf import settings
from django.core import paginator
from django.core.exceptions import ImproperlyConfigured
from django.urls import NoReverseMatch, reverse
from django.utils import translation

PING_URL = "https://www.google.com/webmasters/tools/ping"


class SitemapNotFound(Exception):
    pass


[docs]def ping_google(sitemap_url=None, ping_url=PING_URL): """ Alert Google that the sitemap for the current site has been updated. If sitemap_url is provided, it should be an absolute path to the sitemap for this site -- e.g., '/sitemap.xml'. If sitemap_url is not provided, this function will attempt to deduce it by using urls.reverse(). """ sitemap_full_url = _get_sitemap_full_url(sitemap_url) params = urlencode({'sitemap': sitemap_full_url}) urlopen('%s?%s' % (ping_url, params))
def _get_sitemap_full_url(sitemap_url): if not django_apps.is_installed('django.contrib.sites'): raise ImproperlyConfigured("ping_google requires django.contrib.sites, which isn't installed.") if sitemap_url is None: try: # First, try to get the "index" sitemap URL. sitemap_url = reverse('django.contrib.sitemaps.views.index') except NoReverseMatch: try: # Next, try for the "global" sitemap URL. sitemap_url = reverse('django.contrib.sitemaps.views.sitemap') except NoReverseMatch: pass if sitemap_url is None: raise SitemapNotFound("You didn't provide a sitemap_url, and the sitemap URL couldn't be auto-detected.") Site = django_apps.get_model('sites.Site') current_site = Site.objects.get_current() return 'http://%s%s' % (current_site.domain, sitemap_url)
[docs]class Sitemap: # This limit is defined by Google. See the index documentation at # http://www.sitemaps.org/protocol.html#index. limit = 50000 # If protocol is None, the URLs in the sitemap will use the protocol # with which the sitemap was requested. protocol = None def __get(self, name, obj, default=None): try: attr = getattr(self, name) except AttributeError: return default if callable(attr): return attr(obj) return attr
[docs] def items(self): return []
[docs] def location(self, obj): return obj.get_absolute_url()
@property def paginator(self): return paginator.Paginator(self.items(), self.limit) def get_urls(self, page=1, site=None, protocol=None): # Determine protocol if self.protocol is not None: protocol = self.protocol if protocol is None: protocol = 'http' # Determine domain if site is None: if django_apps.is_installed('django.contrib.sites'): Site = django_apps.get_model('sites.Site') try: site = Site.objects.get_current() except Site.DoesNotExist: pass if site is None: raise ImproperlyConfigured( "To use sitemaps, either enable the sites framework or pass " "a Site/RequestSite object in your view." ) domain = site.domain if getattr(self, 'i18n', False): urls = [] current_lang_code = translation.get_language() for lang_code, lang_name in settings.LANGUAGES: translation.activate(lang_code) urls += self._urls(page, protocol, domain) translation.activate(current_lang_code) else: urls = self._urls(page, protocol, domain) return urls def _urls(self, page, protocol, domain): urls = [] latest_lastmod = None all_items_lastmod = True # track if all items have a lastmod for item in self.paginator.page(page).object_list: loc = "%s://%s%s" % (protocol, domain, self.__get('location', item)) priority = self.__get('priority', item) lastmod = self.__get('lastmod', item) if all_items_lastmod: all_items_lastmod = lastmod is not None if (all_items_lastmod and (latest_lastmod is None or lastmod > latest_lastmod)): latest_lastmod = lastmod url_info = { 'item': item, 'location': loc, 'lastmod': lastmod, 'changefreq': self.__get('changefreq', item), 'priority': str(priority if priority is not None else ''), } urls.append(url_info) if all_items_lastmod and latest_lastmod: self.latest_lastmod = latest_lastmod return urls
[docs]class GenericSitemap(Sitemap): priority = None changefreq = None def __init__(self, info_dict, priority=None, changefreq=None, protocol=None): self.queryset = info_dict['queryset'] self.date_field = info_dict.get('date_field') self.priority = priority self.changefreq = changefreq self.protocol = protocol def items(self): # Make sure to return a clone; we don't want premature evaluation. return self.queryset.filter() def lastmod(self, item): if self.date_field is not None: return getattr(item, self.date_field) return None
default_app_config = 'django.contrib.sitemaps.apps.SiteMapsConfig'
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