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Code Issues 32 Releases Wiki Activity

Fixed #27973 -- Fixed GeoJSON representation of LinearRing and custom GEOSGeometry subclasses.

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This commit is contained in:
Sergey Fedoseev 2017-03-29 22:17:31 +05:00 committed by Tim Graham
parent 9cd6ba991f
commit 4bc355079c
6 changed files with 18 additions and 1 deletions
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4
django/contrib/gis/geos/collections.py
View File

@ -15,6 +15,7 @@ from django.contrib.gis.geos.polygon import Polygon
class GeometryCollection(GEOSGeometry): class GeometryCollection(GEOSGeometry):
_json_type = 'GeometryCollection'
_typeid = 7 _typeid = 7
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
@ -106,11 +107,13 @@ class GeometryCollection(GEOSGeometry):
# MultiPoint, MultiLineString, and MultiPolygon class definitions. # MultiPoint, MultiLineString, and MultiPolygon class definitions.
class MultiPoint(GeometryCollection): class MultiPoint(GeometryCollection):
_allowed = Point _allowed = Point
_json_type = 'MultiPoint'
_typeid = 4 _typeid = 4
class MultiLineString(LinearGeometryMixin, GeometryCollection): class MultiLineString(LinearGeometryMixin, GeometryCollection):
_allowed = (LineString, LinearRing) _allowed = (LineString, LinearRing)
_json_type = 'MultiLineString'
_typeid = 5 _typeid = 5
@property @property
@ -122,6 +125,7 @@ class MultiLineString(LinearGeometryMixin, GeometryCollection):
class MultiPolygon(GeometryCollection): class MultiPolygon(GeometryCollection):
_allowed = Polygon _allowed = Polygon
_json_type = 'MultiPolygon'
_typeid = 6 _typeid = 6

2
django/contrib/gis/geos/geometry.py
View File

@ -415,7 +415,7 @@ class GEOSGeometry(GEOSBase, ListMixin):
""" """
Return GeoJSON representation of this Geometry. Return GeoJSON representation of this Geometry.
""" """
return json.dumps({'type': self.__class__.__name__, 'coordinates': self.coords}) return json.dumps({'type': self._json_type, 'coordinates': self.coords})
geojson = json geojson = json
@property @property

1
django/contrib/gis/geos/linestring.py
View File

@ -8,6 +8,7 @@ from django.contrib.gis.shortcuts import numpy
class LineString(LinearGeometryMixin, GEOSGeometry): class LineString(LinearGeometryMixin, GEOSGeometry):
_init_func = capi.create_linestring _init_func = capi.create_linestring
_json_type = 'LineString'
_minlength = 2 _minlength = 2
has_cs = True has_cs = True

1
django/contrib/gis/geos/point.py
View File

@ -7,6 +7,7 @@ from django.contrib.gis.geos.geometry import GEOSGeometry
class Point(GEOSGeometry): class Point(GEOSGeometry):
_json_type = 'Point'
_minlength = 2 _minlength = 2
_maxlength = 3 _maxlength = 3
has_cs = True has_cs = True

1
django/contrib/gis/geos/polygon.py
View File

@ -7,6 +7,7 @@ from django.contrib.gis.geos.linestring import LinearRing
class Polygon(GEOSGeometry): class Polygon(GEOSGeometry):
_json_type = 'Polygon'
_minlength = 1 _minlength = 1
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):

10
tests/gis_tests/geos_tests/test_geos.py
View File

@ -372,6 +372,12 @@ class GEOSTest(SimpleTestCase, TestDataMixin):
with self.assertRaisesMessage(ValueError, 'LinearRing requires at least 4 points, got 1.'): with self.assertRaisesMessage(ValueError, 'LinearRing requires at least 4 points, got 1.'):
LinearRing(numpy.array([(0, 0)])) LinearRing(numpy.array([(0, 0)]))
def test_linearring_json(self):
self.assertJSONEqual(
LinearRing((0, 0), (0, 1), (1, 1), (0, 0)).json,
'{"coordinates": [[0, 0], [0, 1], [1, 1], [0, 0]], "type": "LineString"}',
)
def test_polygons_from_bbox(self): def test_polygons_from_bbox(self):
"Testing `from_bbox` class method." "Testing `from_bbox` class method."
bbox = (-180, -90, 180, 90) bbox = (-180, -90, 180, 90)
@ -1269,6 +1275,10 @@ class GEOSTest(SimpleTestCase, TestDataMixin):
self.assertEqual(type(ext_poly), ExtendedPolygon) self.assertEqual(type(ext_poly), ExtendedPolygon)
# ExtendedPolygon.__str__ should be called (instead of Polygon.__str__). # ExtendedPolygon.__str__ should be called (instead of Polygon.__str__).
self.assertEqual(str(ext_poly), "EXT_POLYGON - data: 3 - POLYGON ((0 0, 0 1, 1 1, 0 0))") self.assertEqual(str(ext_poly), "EXT_POLYGON - data: 3 - POLYGON ((0 0, 0 1, 1 1, 0 0))")
self.assertJSONEqual(
ext_poly.json,
'{"coordinates": [[[0, 0], [0, 1], [1, 1], [0, 0]]], "type": "Polygon"}',
)
def test_geos_version(self): def test_geos_version(self):
"""Testing the GEOS version regular expression.""" """Testing the GEOS version regular expression."""