def test_fid(fid_source, fid_field, id_expect, ngw_resource_group, ngw_txn):
src = Path(__file__).parent / 'data' / 'type.geojson'
dataset = ogr.Open(str(src))
assert dataset is not None, gdal.GetLastErrorMsg()
layer = dataset.GetLayer(0)
assert layer is not None, gdal.GetLastErrorMsg()
res = VectorLayer(parent_id=ngw_resource_group,
display_name='test_fid',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex)
res.persist()
res.setup_from_ogr(layer,
fid_params=dict(fid_source=fid_source,
fid_field=fid_field))
res.load_from_ogr(layer)
DBSession.flush()
query = res.feature_query()
query.filter_by(id=id_expect)
assert query().total_count == 1
def vector_layer_id(ngw_resource_group):
with transaction.manager:
obj = VectorLayer(
parent_id=ngw_resource_group,
display_name='vector_layer',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
geojson = {
'type': 'FeatureCollection',
'features': get_features_for_orderby_test()
}
dsource = ogr.Open(json.dumps(geojson))
layer = dsource.GetLayer(0)
obj.setup_from_ogr(layer)
obj.load_from_ogr(layer)
DBSession.flush()
DBSession.expunge(obj)
yield obj.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=obj.id).one())
def test_from_ogr(data, ngw_resource_group, ngw_txn):
src = os.path.join(DATA_PATH, data)
dsource = ogr.Open('/vsizip/' + src)
layer = dsource.GetLayer(0)
res = VectorLayer(
parent_id=ngw_resource_group,
display_name='from_ogr',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
)
res.persist()
res.setup_from_ogr(layer, lambda x: x)
res.load_from_ogr(layer, lambda x: x)
DBSession.flush()
features = list(res.feature_query()())
assert len(features) == 1
feature = features[0]
assert feature.id == 1
fields = feature.fields
assert fields['int'] == -1
# TODO: Date, time and datetime tests fails on shapefile
# assert fields['date'] == date(2001, 1, 1)
# assert fields['time'] == time(23, 59, 59)
# assert fields['datetime'] == datetime(2001, 1, 1, 23, 59, 0)
assert fields['string'] == "Foo bar"
assert fields[
'unicode'] == 'Значимость этих проблем настолько очевидна, что реализация намеченных плановых заданий требуют определения и уточнения.' # NOQA: E501
def type_layer(ngw_resource_group):
with transaction.manager:
vl_type = VectorLayer(
parent_id=ngw_resource_group,
display_name='type',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
import nextgisweb.vector_layer.test
path = Path(
nextgisweb.vector_layer.test.__file__).parent / 'data/type.geojson'
ogrds = ogr.Open(str(path))
ogrlayer = ogrds.GetLayer(0)
vl_type.setup_from_ogr(ogrlayer)
vl_type.load_from_ogr(ogrlayer)
DBSession.flush()
DBSession.expunge(vl_type)
yield vl_type.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=vl_type.id).one())
def test_id_field(data, ngw_resource_group):
res = VectorLayer(parent_id=ngw_resource_group,
display_name=f'test-{data}',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex).persist()
src = os.path.join(DATA_PATH, f'{data}.geojson')
ds = ogr.Open(src)
layer = ds.GetLayer(0)
with pytest.raises(ValidationError):
res.setup_from_ogr(layer)
fid_params = dict(fid_source=FID_SOURCE.FIELD, fid_field=['id'])
with pytest.raises(ValidationError):
res.setup_from_ogr(layer, fid_params=fid_params)
res.setup_from_ogr(layer, fix_errors=ERROR_FIX.SAFE, fid_params=fid_params)
res.load_from_ogr(layer)
DBSession.flush()
query = res.feature_query()
feature = query().one()
assert feature.id == 1
assert list(feature.fields.keys()) == ['id_1']
def vector_layer_id(ngw_resource_group):
with transaction.manager:
obj = VectorLayer(
parent_id=ngw_resource_group, display_name='vector_layer',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
geojson = {
"type": "FeatureCollection",
"name": "polygon_extent",
"crs": {"type": "name", "properties": {"name": "urn:ogc:def:crs:EPSG::3857"}},
"features": [
{
"type": "Feature",
"properties": {"name": "west"},
"geometry": {
"type": "Polygon",
"coordinates": [[
[5542180, 8799167],
[6191082, 7551279],
[4668659, 7126998],
[5542180, 8799167],
]],
},
},
{
"type": "Feature",
"properties": {"name": "east"},
"geometry": {
"type": "Polygon",
"coordinates": [[
[15100999, 10396463],
[16498633, 10546209],
[16673337, 9223449],
[15175872, 8948913],
[15100999, 10396463],
]],
},
},
],
}
dsource = ogr.Open(json.dumps(geojson))
layer = dsource.GetLayer(0)
obj.setup_from_ogr(layer)
obj.load_from_ogr(layer)
DBSession.flush()
DBSession.expunge(obj)
yield obj.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=obj.id).one())
def vlayer_id(ngw_resource_group):
with transaction.manager:
res_vl = VectorLayer(
parent_id=ngw_resource_group,
display_name='test_cyrillic',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
geojson = {
'type':
'FeatureCollection',
'crs': {
'type': 'name',
'properties': {
'name': 'urn:ogc:def:crs:EPSG::3857'
}
},
'features': [{
'type': 'Feature',
'properties': {
'field1': 1,
'поле2': 'значение1',
'!field3': '!@#$%^&*()значение1'
},
'geometry': {
'type': 'Point',
'coordinates': [0, 0]
}
}, {
'type': 'Feature',
'properties': {
'field1': 2,
'поле2': 'значение2',
'!field3': '!@#$%^&*()значение2'
},
'geometry': {
'type': 'Point',
'coordinates': [10, 10]
}
}]
}
dsource = ogr.Open(json.dumps(geojson))
layer = dsource.GetLayer(0)
res_vl.setup_from_ogr(layer)
res_vl.load_from_ogr(layer)
DBSession.flush()
DBSession.expunge(res_vl)
yield res_vl.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=res_vl.id).one())
def vector_layer_id(ngw_resource_group):
with transaction.manager:
obj = VectorLayer(
parent_id=ngw_resource_group,
display_name='vector_layer',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
geojson = {
'type':
'FeatureCollection',
'crs': {
'type': 'name',
'properties': {
'name': 'urn:ogc:def:crs:EPSG::3857'
}
},
'features': [{
'type': 'Feature',
'properties': {
'price': -1,
'name': 'feature1'
},
'geometry': {
'type': 'Point',
'coordinates': [0, 0]
}
}, {
'type': 'Feature',
'properties': {
'price': -2,
'name': 'feature2'
},
'geometry': {
'type': 'Point',
'coordinates': [0, 0]
}
}]
}
dsource = ogr.Open(json.dumps(geojson))
layer = dsource.GetLayer(0)
obj.setup_from_ogr(layer)
obj.load_from_ogr(layer)
DBSession.flush()
DBSession.expunge(obj)
yield obj.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=obj.id).one())
def service_id(ngw_resource_group):
with transaction.manager:
res_vl = VectorLayer(
parent_id=ngw_resource_group, display_name='test_vector_layer',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
).persist()
geojson = {
'type': 'FeatureCollection',
'crs': {'type': 'name', 'properties': {'name': 'urn:ogc:def:crs:EPSG::3857'}},
'features': [{
'type': 'Feature',
'properties': {'name': 'feature1'},
'geometry': {'type': 'Point', 'coordinates': [0, 0]}
}, {
'type': 'Feature',
'properties': {'price': -1},
'geometry': {'type': 'Point', 'coordinates': [10, 10]}
}]
}
dsource = ogr.Open(json.dumps(geojson))
layer = dsource.GetLayer(0)
res_vl.setup_from_ogr(layer, lambda x: x)
res_vl.load_from_ogr(layer, lambda x: x)
DBSession.flush()
res_wfs = WFSService(
parent_id=ngw_resource_group, display_name='test_wfsserver_service',
owner_user=User.by_keyname('administrator'),
).persist()
res_wfs.layers.append(WFSLayer(
resource=res_vl, keyname='test',
display_name='test', maxfeatures=1000,
))
DBSession.flush()
DBSession.expunge(res_vl)
DBSession.expunge(res_wfs)
yield res_wfs.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=res_vl.id).one())
DBSession.delete(WFSService.filter_by(id=res_wfs.id).one())
def test_type_geojson(ngw_resource_group, ngw_txn):
src = Path(__file__).parent / 'data' / 'type.geojson'
dataset = ogr.Open(str(src))
assert dataset is not None, gdal.GetLastErrorMsg()
layer = dataset.GetLayer(0)
assert layer is not None, gdal.GetLastErrorMsg()
res = VectorLayer(parent_id=ngw_resource_group,
display_name='from_ogr',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex))
res.persist()
res.setup_from_ogr(layer, lambda x: x)
res.load_from_ogr(layer, lambda x: x)
layer.ResetReading()
DBSession.flush()
def field_as(f, n, t):
fidx = f.GetFieldIndex(n)
if f.IsFieldNull(fidx):
return None
attr = getattr(f, 'GetFieldAs' + t)
result = attr(fidx)
if t in ('Date', 'Time', 'DateTime'):
result = [int(v) for v in result]
if t == 'String' and six.PY2:
result = result.decode('utf-8')
return result
for feat, ref in zip(res.feature_query()(), layer):
fields = feat.fields
assert fields['null'] == field_as(ref, 'null', None)
assert fields['int'] == field_as(ref, 'int', 'Integer')
assert fields['real'] == field_as(ref, 'real', 'Double')
assert fields['date'] == date(*field_as(ref, 'date', 'DateTime')[0:3])
assert fields['time'] == time(*field_as(ref, 'time', 'DateTime')[3:6])
assert fields['datetime'] == datetime(
*field_as(ref, 'datetime', 'DateTime')[0:6])
assert fields['string'] == field_as(ref, 'string', 'String')
assert fields['unicode'] == field_as(ref, 'unicode', 'String')
def create_feature_layer(ogrlayer, parent_id, **kwargs):
with transaction.manager:
layer = VectorLayer(
parent_id=parent_id,
display_name='Feature layer (vector)',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex,
).persist()
layer.setup_from_ogr(ogrlayer)
layer.load_from_ogr(ogrlayer)
DBSession.flush()
yield layer
def wfs_service_path(ngw_resource_group, ngw_httptest_app):
with transaction.manager:
vl_type = VectorLayer(
parent_id=ngw_resource_group,
display_name='type',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
).persist()
dsource = type_geojson_dataset('type.geojson')
layer = dsource.GetLayer(0)
vl_type.setup_from_ogr(layer, lambda x: x)
vl_type.load_from_ogr(layer, lambda x: x)
DBSession.flush()
# NOTE: GDAL doesn't support time fields in GML / WFS. It completely breaks
# XSD schema parsing. Delete the time field to pass tests.
DBSession.delete(vl_type.field_by_keyname('time'))
wfs_service = WFSService(
parent_id=ngw_resource_group,
display_name='test_wfsserver_service',
owner_user=User.by_keyname('administrator'),
).persist()
wfs_service.layers.append(
WFS_Service_Layer(resource=vl_type,
keyname='type',
display_name='type',
maxfeatures=1000))
DBSession.flush()
DBSession.expunge(vl_type)
DBSession.expunge(wfs_service)
path = '{}/api/resource/{}/wfs'.format(ngw_httptest_app.base_url,
wfs_service.id)
yield path
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=vl_type.id).one())
DBSession.delete(WFSService.filter_by(id=wfs_service.id).one())
def test_from_ogr(txn, data):
src = os.path.join(DATA_PATH, data)
dsource = ogr.Open(src)
layer = dsource.GetLayer(0)
res = VectorLayer(
parent_id=0,
display_name='from_ogr',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=unicode(uuid4().hex),
)
res.persist()
res.setup_from_ogr(layer, lambda x: x)
res.load_from_ogr(layer, lambda x: x)
DBSession.flush()
def service(ngw_resource_group):
with transaction.manager:
res_vl = VectorLayer(
parent_id=ngw_resource_group,
display_name='test_vector_layer',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
).persist()
dsource = type_geojson_dataset()
layer = dsource.GetLayer(0)
res_vl.setup_from_ogr(layer, lambda x: x)
res_vl.load_from_ogr(layer, lambda x: x)
DBSession.flush()
res_wfs = WFSService(
parent_id=ngw_resource_group,
display_name='test_wfsserver_service',
owner_user=User.by_keyname('administrator'),
).persist()
res_wfs.layers.append(
WFSLayer(
resource=res_vl,
keyname='test',
display_name='test',
maxfeatures=1000,
))
DBSession.flush()
DBSession.expunge(res_vl)
DBSession.expunge(res_wfs)
yield res_wfs.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=res_vl.id).one())
DBSession.delete(WFSService.filter_by(id=res_wfs.id).one())
def resource(ngw_txn, ngw_resource_group):
src = os.path.join(DATA_PATH, 'geojson-point.zip/layer.geojson')
dsource = ogr.Open('/vsizip/' + src)
layer = dsource.GetLayer(0)
resource = VectorLayer(
parent_id=ngw_resource_group,
display_name='from_ogr',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
)
resource.persist()
resource.setup_from_ogr(layer, lambda x: x)
resource.load_from_ogr(layer, lambda x: x)
DBSession.flush()
return resource
def test_error_limit(ngw_resource_group):
res = VectorLayer(parent_id=ngw_resource_group,
display_name='error-limit',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex)
res.persist()
ds = ogr.GetDriverByName('Memory').CreateDataSource('')
srs = osr.SpatialReference()
srs.ImportFromEPSG(4326)
layer = ds.CreateLayer('layer_with_errors',
srs=srs,
geom_type=ogr.wkbPoint)
defn = layer.GetLayerDefn()
some = 3
for i in range(error_limit + some):
feature = ogr.Feature(defn)
if i < error_limit:
feature.SetGeometry(None)
else:
feature.SetGeometry(ogr.CreateGeometryFromWkt('POINT (0 0)'))
layer.CreateFeature(feature)
res.setup_from_ogr(layer)
opts = dict(fix_errors=ERROR_FIX.NONE, skip_other_geometry_types=False)
with pytest.raises(ValidationError) as excinfo:
res.load_from_ogr(layer, **opts, skip_errors=False)
assert excinfo.value.detail is not None
res.load_from_ogr(layer, **opts, skip_errors=True)
DBSession.flush()
assert res.feature_query()().total_count == some
def test_geom_field(ngw_resource_group):
res = VectorLayer(parent_id=ngw_resource_group,
display_name='test-geom-fld',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=uuid4().hex).persist()
src = os.path.join(DATA_PATH, 'geom-fld.geojson')
ds = ogr.Open(src)
layer = ds.GetLayer(0)
with pytest.raises(ValidationError):
res.setup_from_ogr(layer)
res.setup_from_ogr(layer, fix_errors=ERROR_FIX.SAFE)
res.load_from_ogr(layer)
DBSession.flush()
query = res.feature_query()
feature = query().one()
assert feature.id == 1
assert list(feature.fields.keys()) == ['geom_1']
def service(ngw_resource_group):
with transaction.manager:
vl_type = VectorLayer(
parent_id=ngw_resource_group,
display_name='type',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
).persist()
dsource = type_geojson_dataset('type.geojson')
layer = dsource.GetLayer(0)
vl_type.setup_from_ogr(layer, lambda x: x)
vl_type.load_from_ogr(layer, lambda x: x)
DBSession.flush()
# NOTE: GDAL doesn't support time fields in GML / WFS. It completely breaks
# XSD schema parsing. Delete the time field to pass tests.
DBSession.delete(vl_type.field_by_keyname('time'))
vl_pointz = VectorLayer(
parent_id=ngw_resource_group,
display_name='pointz',
owner_user=User.by_keyname('administrator'),
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=six.text_type(uuid4().hex),
).persist()
dsource = type_geojson_dataset('pointz.geojson')
layer = dsource.GetLayer(0)
vl_pointz.setup_from_ogr(layer, lambda x: x)
vl_pointz.load_from_ogr(layer, lambda x: x)
DBSession.flush()
res_wfs = WFSService(
parent_id=ngw_resource_group,
display_name='test_wfsserver_service',
owner_user=User.by_keyname('administrator'),
).persist()
res_wfs.layers.extend((
WFSLayer(resource=vl_type,
keyname='type',
display_name='type',
maxfeatures=1000),
WFSLayer(resource=vl_pointz,
keyname='pointz',
display_name='pointz',
maxfeatures=1000),
))
DBSession.flush()
DBSession.expunge(vl_type)
DBSession.expunge(vl_pointz)
DBSession.expunge(res_wfs)
yield res_wfs.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=vl_type.id).one())
DBSession.delete(VectorLayer.filter_by(id=vl_pointz.id).one())
DBSession.delete(WFSService.filter_by(id=res_wfs.id).one())
def load_shape_dicts(cls, force=False):
print 'Loading shapes...'
shape_dicts = {
FEDERAL_KEYNAME: ('federal_districts.zip',
'Федеральные округа',
{
FEDERAL_ID_FIELD: 'Идентификатор',
FEDERAL_NAME_FIELD: 'Наименование',
FEDERAL_SHORT_NAME_FIELD: 'Короткое название',
}
),
REGIONS_KEYNAME: ('regions.zip',
'Регионы РФ',
{
REGIONS_ID_FIELD: 'Идентификатор',
REGIONS_NAME_FIELD: 'Наименование',
}
),
DISTRICT_KEYNAME: ('districts.zip',
'Районы',
{
DISTRICT_ID_FIELD: 'Идентификатор',
DISTRICT_NAME_FIELD: 'Наименование',
DISTRICT_PARENT_ID_FIELD: 'Ид. родительского региона',
DISTRICT_SHORT_NAME_FIELD: 'Короткое название'
}
),
}
# get principals
adminusr = User.filter_by(keyname='administrator').one()
admingrp = Group.filter_by(keyname='administrators').one()
everyone = User.filter_by(keyname='everyone').one()
# get root resource
try:
root_res = ResourceGroup.filter_by(keyname=DICTIONARY_GROUP_KEYNAME).one()
except NoResultFound:
raise Exception('Need dictionaries group resource!')
# create shapes
for (dict_keyname, (dict_file, dict_display_name, dict_fields)) in shape_dicts.iteritems():
try:
vec_res = VectorLayer.filter_by(keyname=dict_keyname).one()
print ' Dictionary "%s" already exists' % dict_keyname
if force:
print ' Force recreate "%s"' % dict_keyname
# try to drop old table
try:
VectorLayerUpdater.drop_vector_layer_table(vec_res.tbl_uuid)
except:
pass
else:
continue
except NoResultFound:
vec_res = VectorLayer(owner_user=adminusr,
display_name=dict_display_name,
keyname=dict_keyname,
parent=root_res)
vec_res.acl.append(ACLRule(
principal=admingrp,
action='allow'))
vec_res.srs = SRS.filter_by(id=3857).one()
datafile = path.join(BASE_PATH, dict_file)
encoding = 'utf-8'
iszip = zipfile.is_zipfile(datafile)
try:
#open ogr ds
if iszip:
ogrfn = tempfile.mkdtemp()
zipfile.ZipFile(datafile, 'r').extractall(path=ogrfn)
else:
ogrfn = datafile
with _set_encoding(encoding) as sdecode:
ogrds = ogr.Open(ogrfn)
recode = sdecode
if ogrds is None:
raise VE("Библиотеке OGR не удалось открыть файл")
drivername = ogrds.GetDriver().GetName()
if drivername not in ('ESRI Shapefile', ):
raise VE("Неподдерживаемый драйвер OGR: %s" % drivername)
# check datasource
if ogrds.GetLayerCount() < 1:
raise VE("Набор данных не содержит слоёв.")
if ogrds.GetLayerCount() > 1:
raise VE("Набор данных содержит более одного слоя.")
# open ogrlayer
ogrlayer = ogrds.GetLayer(0)
if ogrlayer is None:
raise VE("Не удалось открыть слой.")
# check layer
if ogrlayer.GetSpatialRef() is None:
raise VE("Не указана система координат слоя.")
feat = ogrlayer.GetNextFeature()
while feat:
geom = feat.GetGeometryRef()
if geom is None:
raise VE("Объект %d не содержит геометрии." % feat.GetFID())
feat = ogrlayer.GetNextFeature()
ogrlayer.ResetReading()
vec_res.tbl_uuid = uuid.uuid4().hex
with DBSession.no_autoflush:
vec_res.setup_from_ogr(ogrlayer, recode)
vec_res.load_from_ogr(ogrlayer, recode)
finally:
if iszip:
shutil.rmtree(ogrfn)
# display names for fields
for field_keyname, field_dispname in dict_fields.iteritems():
VectorLayerUpdater.change_field_display_name(vec_res, field_keyname, field_dispname)
vec_res.persist()
