/gdata/geo/data.py

 1#!/usr/bin/python
 2#
 3# Copyright (C) 2009 Google Inc.
 4#
 5# Licensed under the Apache License, Version 2.0 (the "License");
 6# you may not use this file except in compliance with the License.
 7# You may obtain a copy of the License at
 8#
 9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17"""Contains the data classes of the Geography Extension"""
18
19
20__author__ = 'j.s@google.com (Jeff Scudder)'
21
22
23import atom.core
24
25
26GEORSS_TEMPLATE = '{http://www.georss.org/georss/}%s'
27GML_TEMPLATE = '{http://www.opengis.net/gml/}%s'
28GEO_TEMPLATE = '{http://www.w3.org/2003/01/geo/wgs84_pos#/}%s'
29
30
31class GeoLat(atom.core.XmlElement):
32  """Describes a W3C latitude."""
33  _qname = GEO_TEMPLATE % 'lat'
34
35
36class GeoLong(atom.core.XmlElement):
37  """Describes a W3C longitude."""
38  _qname = GEO_TEMPLATE % 'long'
39
40
41class GeoRssBox(atom.core.XmlElement):
42  """Describes a geographical region."""
43  _qname = GEORSS_TEMPLATE % 'box'
44
45
46class GeoRssPoint(atom.core.XmlElement):
47  """Describes a geographical location."""
48  _qname = GEORSS_TEMPLATE % 'point'
49
50
51class GmlLowerCorner(atom.core.XmlElement):
52  """Describes a lower corner of a region."""
53  _qname = GML_TEMPLATE % 'lowerCorner'
54
55
56class GmlPos(atom.core.XmlElement):
57  """Describes a latitude and longitude."""
58  _qname = GML_TEMPLATE % 'pos'
59
60
61class GmlPoint(atom.core.XmlElement):
62  """Describes a particular geographical point."""
63  _qname = GML_TEMPLATE % 'Point'
64  pos = GmlPos
65
66
67class GmlUpperCorner(atom.core.XmlElement):
68  """Describes an upper corner of a region."""
69  _qname = GML_TEMPLATE % 'upperCorner'
70
71
72class GmlEnvelope(atom.core.XmlElement):
73  """Describes a Gml geographical region."""
74  _qname = GML_TEMPLATE % 'Envelope'
75  lower_corner = GmlLowerCorner
76  upper_corner = GmlUpperCorner
77
78
79class GeoRssWhere(atom.core.XmlElement):
80  """Describes a geographical location or region."""
81  _qname = GEORSS_TEMPLATE % 'where'
82  Point = GmlPoint
83  Envelope = GmlEnvelope
84
85
86class W3CPoint(atom.core.XmlElement):
87  """Describes a W3C geographical location."""
88  _qname = GEO_TEMPLATE % 'Point'
89  long = GeoLong
90  lat = GeoLat
91
92