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authorttt2017-05-13 00:29:47 +0530
committerttt2017-05-13 00:29:47 +0530
commitabf599be33b383a6a5baf9493093b2126a622ac8 (patch)
tree4c5ab6e0d935d5e65fabcf0258e4a00dd20a5afa /lib/python2.7/site-packages/django/contrib/gis/sitemaps
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Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/gis/sitemaps')
-rw-r--r--lib/python2.7/site-packages/django/contrib/gis/sitemaps/__init__.py4
-rw-r--r--lib/python2.7/site-packages/django/contrib/gis/sitemaps/georss.py53
-rw-r--r--lib/python2.7/site-packages/django/contrib/gis/sitemaps/kml.py63
-rw-r--r--lib/python2.7/site-packages/django/contrib/gis/sitemaps/views.py114
4 files changed, 234 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/gis/sitemaps/__init__.py b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/__init__.py
new file mode 100644
index 0000000..9b6287f
--- /dev/null
+++ b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/__init__.py
@@ -0,0 +1,4 @@
+# Geo-enabled Sitemap classes.
+from django.contrib.gis.sitemaps.georss import GeoRSSSitemap
+from django.contrib.gis.sitemaps.kml import KMLSitemap, KMZSitemap
+
diff --git a/lib/python2.7/site-packages/django/contrib/gis/sitemaps/georss.py b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/georss.py
new file mode 100644
index 0000000..ccb7dc2
--- /dev/null
+++ b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/georss.py
@@ -0,0 +1,53 @@
+from django.core import urlresolvers
+from django.contrib.sitemaps import Sitemap
+
+class GeoRSSSitemap(Sitemap):
+ """
+ A minimal hook to produce sitemaps for GeoRSS feeds.
+ """
+ def __init__(self, feed_dict, slug_dict=None):
+ """
+ This sitemap object initializes on a feed dictionary (as would be passed
+ to `django.contrib.gis.views.feed`) and a slug dictionary.
+ If the slug dictionary is not defined, then it's assumed the keys provide
+ the URL parameter to the feed. However, if you have a complex feed (e.g.,
+ you override `get_object`, then you'll need to provide a slug dictionary.
+ The slug dictionary should have the same keys as the feed dictionary, but
+ each value in the slug dictionary should be a sequence of slugs that may
+ be used for valid feeds. For example, let's say we have a feed that
+ returns objects for a specific ZIP code in our feed dictionary:
+
+ feed_dict = {'zipcode' : ZipFeed}
+
+ Then we would use a slug dictionary with a list of the zip code slugs
+ corresponding to feeds you want listed in the sitemap:
+
+ slug_dict = {'zipcode' : ['77002', '77054']}
+ """
+ # Setting up.
+ self.feed_dict = feed_dict
+ self.locations = []
+ if slug_dict is None: slug_dict = {}
+ # Getting the feed locations.
+ for section in feed_dict.keys():
+ if slug_dict.get(section, False):
+ for slug in slug_dict[section]:
+ self.locations.append('%s/%s' % (section, slug))
+ else:
+ self.locations.append(section)
+
+ def get_urls(self, page=1, site=None):
+ """
+ This method is overrridden so the appropriate `geo_format` attribute
+ is placed on each URL element.
+ """
+ urls = Sitemap.get_urls(self, page=page, site=site)
+ for url in urls: url['geo_format'] = 'georss'
+ return urls
+
+ def items(self):
+ return self.locations
+
+ def location(self, obj):
+ return urlresolvers.reverse('django.contrib.gis.views.feed', args=(obj,))
+
diff --git a/lib/python2.7/site-packages/django/contrib/gis/sitemaps/kml.py b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/kml.py
new file mode 100644
index 0000000..837fe62
--- /dev/null
+++ b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/kml.py
@@ -0,0 +1,63 @@
+from django.core import urlresolvers
+from django.contrib.sitemaps import Sitemap
+from django.contrib.gis.db.models.fields import GeometryField
+from django.db import models
+
+class KMLSitemap(Sitemap):
+ """
+ A minimal hook to produce KML sitemaps.
+ """
+ geo_format = 'kml'
+
+ def __init__(self, locations=None):
+ # If no locations specified, then we try to build for
+ # every model in installed applications.
+ self.locations = self._build_kml_sources(locations)
+
+ def _build_kml_sources(self, sources):
+ """
+ Goes through the given sources and returns a 3-tuple of
+ the application label, module name, and field name of every
+ GeometryField encountered in the sources.
+
+ If no sources are provided, then all models.
+ """
+ kml_sources = []
+ if sources is None:
+ sources = models.get_models()
+ for source in sources:
+ if isinstance(source, models.base.ModelBase):
+ for field in source._meta.fields:
+ if isinstance(field, GeometryField):
+ kml_sources.append((source._meta.app_label,
+ source._meta.model_name,
+ field.name))
+ elif isinstance(source, (list, tuple)):
+ if len(source) != 3:
+ raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
+ kml_sources.append(source)
+ else:
+ raise TypeError('KML Sources must be a model or a 3-tuple.')
+ return kml_sources
+
+ def get_urls(self, page=1, site=None):
+ """
+ This method is overrridden so the appropriate `geo_format` attribute
+ is placed on each URL element.
+ """
+ urls = Sitemap.get_urls(self, page=page, site=site)
+ for url in urls: url['geo_format'] = self.geo_format
+ return urls
+
+ def items(self):
+ return self.locations
+
+ def location(self, obj):
+ return urlresolvers.reverse('django.contrib.gis.sitemaps.views.%s' % self.geo_format,
+ kwargs={'label' : obj[0],
+ 'model' : obj[1],
+ 'field_name': obj[2],
+ }
+ )
+class KMZSitemap(KMLSitemap):
+ geo_format = 'kmz'
diff --git a/lib/python2.7/site-packages/django/contrib/gis/sitemaps/views.py b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/views.py
new file mode 100644
index 0000000..9682c12
--- /dev/null
+++ b/lib/python2.7/site-packages/django/contrib/gis/sitemaps/views.py
@@ -0,0 +1,114 @@
+from __future__ import unicode_literals
+
+from django.http import HttpResponse, Http404
+from django.template import loader
+from django.contrib.sites.models import get_current_site
+from django.core import urlresolvers
+from django.core.paginator import EmptyPage, PageNotAnInteger
+from django.contrib.gis.db.models.fields import GeometryField
+from django.db import connections, DEFAULT_DB_ALIAS
+from django.db.models import get_model
+from django.utils import six
+from django.utils.translation import ugettext as _
+
+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 = get_current_site(request)
+ sites = []
+ protocol = 'https' if request.is_secure() else '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, content_type='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 = list(six.itervalues(sitemaps))
+
+ page = request.GET.get("p", 1)
+ current_site = get_current_site(request)
+ for site in maps:
+ try:
+ if callable(site):
+ urls.extend(site().get_urls(page=page, site=current_site))
+ else:
+ urls.extend(site.get_urls(page=page, site=current_site))
+ except EmptyPage:
+ raise Http404(_("Page %s empty") % page)
+ except PageNotAnInteger:
+ raise Http404(_("No page '%s'") % page)
+ xml = loader.render_to_string('gis/sitemaps/geo_sitemap.xml', {'urlset': urls})
+ return HttpResponse(xml, content_type='application/xml')
+
+def kml(request, label, model, field_name=None, compress=False, using=DEFAULT_DB_ALIAS):
+ """
+ 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.')
+
+ connection = connections[using]
+
+ if connection.ops.postgis:
+ # PostGIS will take care of transformation.
+ placemarks = klass._default_manager.using(using).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 connection.ops.oracle:
+ qs = klass._default_manager.using(using).transform(4326, field_name=field_name)
+ else:
+ qs = klass._default_manager.using(using).all()
+ for mod in qs:
+ 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, using=DEFAULT_DB_ALIAS):
+ """
+ This view returns KMZ for the given app label, model, and field name.
+ """
+ return kml(request, label, model, field_name, compress=True, using=using)