python/lib/django_1_4/django/contrib/gis/tests/geoapp/feeds.py

   1 from __future__ import absolute_import
   2
   3 from django.contrib.gis import feeds
   4
   5 from .models import City
   6
   7
   8 class TestGeoRSS1(feeds.Feed):
   9     link = '/city/'
  10     title = 'Test GeoDjango Cities'
  11
  12     def items(self):
  13         return City.objects.all()
  14
  15     def item_link(self, item):
  16         return '/city/%s/' % item.pk
  17
  18     def item_geometry(self, item):
  19         return item.point
  20
  21 class TestGeoRSS2(TestGeoRSS1):
  22     def geometry(self, obj):
  23         # This should attach a <georss:box> element for the extent of
  24         # of the cities in the database.  This tuple came from
  25         # calling `City.objects.extent()` -- we can't do that call here
  26         # because `extent` is not implemented for MySQL/Oracle.
  27         return (-123.30, -41.32, 174.78, 48.46)
  28
  29     def item_geometry(self, item):
  30         # Returning a simple tuple for the geometry.
  31         return item.point.x, item.point.y
  32
  33 class TestGeoAtom1(TestGeoRSS1):
  34     feed_type = feeds.GeoAtom1Feed
  35
  36 class TestGeoAtom2(TestGeoRSS2):
  37     feed_type = feeds.GeoAtom1Feed
  38
  39     def geometry(self, obj):
  40         # This time we'll use a 2-tuple of coordinates for the box.
  41         return ((-123.30, -41.32), (174.78, 48.46))
  42
  43 class TestW3CGeo1(TestGeoRSS1):
  44     feed_type = feeds.W3CGeoFeed
  45
  46 # The following feeds are invalid, and will raise exceptions.
  47 class TestW3CGeo2(TestGeoRSS2):
  48     feed_type = feeds.W3CGeoFeed
  49
  50 class TestW3CGeo3(TestGeoRSS1):
  51     feed_type = feeds.W3CGeoFeed
  52
  53     def item_geometry(self, item):
  54         from django.contrib.gis.geos import Polygon
  55         return Polygon(((0, 0), (0, 1), (1, 1), (1, 0), (0, 0)))
  56
  57 # The feed dictionary to use for URLs.
  58 feed_dict = {
  59     'rss1' : TestGeoRSS1,
  60     'rss2' : TestGeoRSS2,
  61     'atom1' : TestGeoAtom1,
  62     'atom2' : TestGeoAtom2,
  63     'w3cgeo1' : TestW3CGeo1,
  64     'w3cgeo2' : TestW3CGeo2,
  65     'w3cgeo3' : TestW3CGeo3,
  66 }