+
−from django.http import HttpResponse, Http404
+
−from django.template import loader
+
−from django.contrib.gis.db.backend import SpatialBackend
+
−from django.contrib.sites.models import Site
+
−from django.core import urlresolvers
+
−from django.core.paginator import EmptyPage, PageNotAnInteger
+
−from django.db.models import get_model
+
−from django.contrib.gis.db.models.fields import GeometryField
+
−from django.utils.encoding import smart_str
+
−
+
−from django.contrib.gis.shortcuts import render_to_kml, render_to_kmz
+
−
+
−def index(request, sitemaps):
+
−    """
+
−    This view generates a sitemap index that uses the proper view
+
−    for resolving geographic section sitemap URLs.
+
−    """
+
−    current_site = Site.objects.get_current()
+
−    sites = []
+
−    protocol = request.is_secure() and 'https' or 'http'
+
−    for section, site in sitemaps.items():
+
−        if callable(site):
+
−            pages = site().paginator.num_pages
+
−        else:
+
−            pages = site.paginator.num_pages
+
−        sitemap_url = urlresolvers.reverse('django.contrib.gis.sitemaps.views.sitemap', kwargs={'section': section})
+
−        sites.append('%s://%s%s' % (protocol, current_site.domain, sitemap_url))
+
−      
+
−        if pages > 1:
+
−            for page in range(2, pages+1):
+
−                sites.append('%s://%s%s?p=%s' % (protocol, current_site.domain, sitemap_url, page))
+
−    xml = loader.render_to_string('sitemap_index.xml', {'sitemaps': sites})
+
−    return HttpResponse(xml, mimetype='application/xml')
+
−
+
−def sitemap(request, sitemaps, section=None):
+
−    """
+
−    This view generates a sitemap with additional geographic
+
−    elements defined by Google.
+
−    """
+
−    maps, urls = [], []
+
−    if section is not None:
+
−        if section not in sitemaps:
+
−            raise Http404("No sitemap available for section: %r" % section)
+
−        maps.append(sitemaps[section])
+
−    else:
+
−        maps = sitemaps.values()
+
−
+
−    page = request.GET.get("p", 1)
+
−    for site in maps:
+
−        try:
+
−            if callable(site):
+
−                urls.extend(site().get_urls(page))
+
−            else:
+
−                urls.extend(site.get_urls(page))
+
−        except EmptyPage:
+
−            raise Http404("Page %s empty" % page)
+
−        except PageNotAnInteger:
+
−            raise Http404("No page '%s'" % page)
+
−    xml = smart_str(loader.render_to_string('gis/sitemaps/geo_sitemap.xml', {'urlset': urls}))
+
−    return HttpResponse(xml, mimetype='application/xml')
+
−
+
−def kml(request, label, model, field_name=None, compress=False):
+
−    """
+
−    This view generates KML for the given app label, model, and field name.
+
−
+
−    The model's default manager must be GeoManager, and the field name
+
−    must be that of a geographic field.
+
−    """
+
−    placemarks = []
+
−    klass = get_model(label, model)
+
−    if not klass:
+
−        raise Http404('You must supply a valid app label and module name.  Got "%s.%s"' % (label, model))
+
−
+
−    if field_name:
+
−        try:
+
−            info = klass._meta.get_field_by_name(field_name)
+
−            if not isinstance(info[0], GeometryField):
+
−                raise Exception
+
−        except:
+
−            raise Http404('Invalid geometry field.')
+
−
+
−    if SpatialBackend.postgis:
+
−        # PostGIS will take care of transformation.
+
−        placemarks = klass._default_manager.kml(field_name=field_name)
+
−    else:
+
−        # There's no KML method on Oracle or MySQL, so we use the `kml`
+
−        # attribute of the lazy geometry instead.
+
−        placemarks = []
+
−        if SpatialBackend.oracle:
+
−            qs = klass._default_manager.transform(4326, field_name=field_name)
+
−        else:
+
−            qs = klass._default_manager.all()
+
−        for mod in qs:
+
−            setattr(mod, 'kml', getattr(mod, field_name).kml)
+
−            placemarks.append(mod)
+
−
+
−    # Getting the render function and rendering to the correct.
+
−    if compress:
+
−        render = render_to_kmz
+
−    else:
+
−        render = render_to_kml
+
−    return render('gis/kml/placemarks.kml', {'places' : placemarks})
+
−
+
−def kmz(request, label, model, field_name=None):
+
−    """
+
−    This view returns KMZ for the given app label, model, and field name.
+
−    """
+
−    return kml(request, label, model, field_name, True)