def test_simplify(self):
geom = wkbelement_from_geojson(
json.loads(
'{"type": "LineString", "coordinates": ' +
'[[635900, 5723600], [635902, 5723600], [635905, 5723600]]}'),
3857)
route = Route(activities=['hiking'],
geometry=DocumentGeometry(geom=None, geom_detail=geom))
self.session.add(route)
self.session.flush()
# check that the line was simplified on insertion
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
# check that the line was simplified after an update
route.geometry.geom_detail = wkbelement_from_geojson(
json.loads(
'{"type": "LineString", "coordinates": ' +
'[[635901, 5723600], [635902, 5723600], [635905, 5723600]]}'),
3857)
self.session.flush()
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
self.assertCoodinateEquals([635901, 5723600],
geojson['coordinates'][0])
def test_simplify(self):
geom = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635900, 5723600], [635902, 5723600], [635905, 5723600]]}', 3857)
route = Route(
activities=['hiking'],
geometry=DocumentGeometry(geom=None, geom_detail=geom))
self.session.add(route)
self.session.flush()
# check that the line was simplified on insertion
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
# check that the line was simplified after an update
route.geometry.geom_detail = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635901, 5723600], [635902, 5723600], [635905, 5723600]]}', 3857)
self.session.flush()
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
self.assertCoodinateEquals(
[635901, 5723600], geojson['coordinates'][0])
def test_save_and_load(self):
fake_doc = Document()
self.session.add(fake_doc)
self.session.flush()
geom = wkbelement_from_geojson(
'{"type": "Point", "coordinates": [1.0, 2.0]}', 3857)
geometry = DocumentGeometry(
document_id=fake_doc.document_id, geom=geom)
self.session.add(geometry)
self.session.flush()
self.session.expire(geometry)
geom_loaded = geometry.geom
geom_str = geojson_from_wkbelement(geom_loaded)
geom_geojson = json.loads(geom_str)
self.assertCoodinateEquals([1.0, 2.0], geom_geojson['coordinates'])
def test_save_and_load(self):
fake_doc = Document()
self.session.add(fake_doc)
self.session.flush()
geom = wkbelement_from_geojson(
'{"type": "Point", "coordinates": [1.0, 2.0]}', 3857)
geometry = DocumentGeometry(document_id=fake_doc.document_id,
geom=geom)
self.session.add(geometry)
self.session.flush()
self.session.expire(geometry)
geom_loaded = geometry.geom
geom_str = geojson_from_wkbelement(geom_loaded)
geom_geojson = json.loads(geom_str)
self.assertCoodinateEquals([1.0, 2.0], geom_geojson['coordinates'])
def serialize(data):
"""
Colanders `serialize` method is not intended for JSON serialization (it
turns everything into a string and keeps colander.null).
https://github.com/tisdall/cornice/blob/c18b873/cornice/schemas.py
Returns the most agnostic version of specified data.
(remove colander notions, datetimes in ISO, ...)
"""
if isinstance(data, str):
return str(data)
if isinstance(data, collections.Mapping):
return dict(list(map(serialize, iter(data.items()))))
if isinstance(data, collections.abc.Iterable):
return type(data)(list(map(serialize, data)))
if isinstance(data, (datetime.date, datetime.datetime)):
return data.isoformat()
if isinstance(data, WKBElement):
return geojson_from_wkbelement(data)
if data is null:
return None
return data
def serialize(data):
"""
Colanders `serialize` method is not intended for JSON serialization (it
turns everything into a string and keeps colander.null).
https://github.com/tisdall/cornice/blob/c18b873/cornice/schemas.py
Returns the most agnostic version of specified data.
(remove colander notions, datetimes in ISO, ...)
"""
if isinstance(data, str):
return str(data)
if isinstance(data, collections.Mapping):
return dict(list(map(serialize, iter(data.items()))))
if isinstance(data, collections.Iterable):
return type(data)(list(map(serialize, data)))
if isinstance(data, (datetime.date, datetime.datetime)):
return data.isoformat()
if isinstance(data, WKBElement):
return geojson_from_wkbelement(data)
if data is null:
return None
return data
