def traverse(id):
resource = VectorLayer.filter_by(keyname='docs').one()
request.resource_permission(PERM_READ, resource)
query = resource.feature_query()
query.filter_by(id=id)
query.limit(1)
query.srs(srs)
query.geom()
for doc in query():
result = _serialize(doc)
result['related'] = {}
for key, name in DOCUMENTS:
result['related'][key] = []
resource = VectorLayer.filter_by(keyname=key).one()
request.resource_permission(PERM_READ, resource)
query = resource.feature_query()
query.filter_by(doc_id=doc.id)
query.srs(srs)
query.geom()
for reldoc in query():
if key == 'docs' and traversal:
result['related'][key].append(traverse(reldoc.id))
else:
result['related'][key].append(_serialize(reldoc))
return result
def getschema(request):
"""Возвращаем схему участка лесонарушения
"""
p_size = map(int, request.GET.get('size').split(','))
fid = request.matchdict.get('fid')
if fid is None: return None
resource = VectorLayer.filter_by(keyname='docs').one()
request.resource_permission(PERM_READ, resource)
query = resource.feature_query()
query.filter_by(id=fid)
query.limit(1)
query.geom()
query.box()
for doc in query():
extent = fix_aspect_ratio(doc.box.bounds, p_size)
extent = scale_extent(extent, 3)
# cadastre - лесоделение
# docs - территории лесонарушений
resstyles = []
for key in ('cadastre', 'docs'):
resource = VectorLayer.filter_by(keyname=key).one()
request.resource_permission(PERM_READ, resource)
resstyle = filter(lambda r: IRenderableStyle.providedBy(r),
resource.children)[0]
resstyles.append(resstyle)
img = None
for style in resstyles:
request.resource_permission(PERM_READ, style)
# Отфильтровываем документы для отрисовки
if style.feature_layer.keyname == 'docs':
cond = {'id': fid}
else:
cond = None
req = style.render_request(style.srs, cond)
rimg = req.render_extent(extent, p_size)
img = rimg if img is None else Image.alpha_composite(img, rimg)
buf = StringIO()
img.save(buf, 'png')
buf.seek(0)
return Response(body_file=buf, content_type=b'image/png')
def get_districts_from_resource(as_dict=False, sort=False):
vector_res = VectorLayer.filter_by(keyname=DISTRICT_KEYNAME).first()
if not vector_res:
return []
fields_names = [field.keyname for field in vector_res.fields]
if DISTRICT_ID_FIELD not in fields_names or \
DISTRICT_NAME_FIELD not in fields_names or \
DISTRICT_PARENT_ID_FIELD not in fields_names:
return []
query = vector_res.feature_query()
features = []
for f in query():
features.append({
'name': f.fields[DISTRICT_NAME_FIELD],
'id': f.fields[DISTRICT_ID_FIELD],
'parent_id': f.fields[DISTRICT_PARENT_ID_FIELD]
})
if sort:
features.sort(key=lambda x: x['name'])
if as_dict:
return {feat['id']: feat['name'] for feat in features}
return features
def get_regions_from_resource(as_dict=False, sort=False):
# get dictionary
vector_res = VectorLayer.filter_by(keyname=REGIONS_KEYNAME).first()
if not vector_res:
return []
# check fields
fields_names = [field.keyname for field in vector_res.fields]
if REGIONS_ID_FIELD not in fields_names or REGIONS_NAME_FIELD not in fields_names:
return []
# receive values
query = vector_res.feature_query()
features = []
for f in query():
features.append({'name': f.fields[REGIONS_NAME_FIELD], 'id': f.fields[REGIONS_ID_FIELD]})
if sort:
features.sort(key=lambda x: x['name'])
if as_dict:
return {feat['id']: feat['name'] for feat in features}
return features
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 getdoc_diff(request):
"""Возвращаем историю изменений документов и связанные данные
"""
docs = VectorLayer.filter_by(keyname='docs').one()
diff = _diff(request, docs.id)
result = {'added': [], 'changed': [], 'deleted': []}
for state in ('added', 'changed', 'deleted'):
if state != 'deleted':
for feat in diff[state]:
result[state].append(_getdoc(request, feat['id']))
else:
result[state] = diff[state]
return Response(
json.dumps(result),
content_type=b'application/json')
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 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 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 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 test_from_fields(txn):
res = VectorLayer(
parent_id=0,
display_name='from_fields',
owner_user=User.by_keyname('administrator'),
geometry_type='POINT',
srs=SRS.filter_by(id=3857).one(),
tbl_uuid=unicode(uuid4().hex),
)
res.setup_from_fields([
dict(keyname='integer', datatype=FIELD_TYPE.INTEGER),
dict(keyname='bigint', datatype=FIELD_TYPE.BIGINT),
dict(keyname='real', datatype=FIELD_TYPE.REAL),
dict(keyname='string', datatype=FIELD_TYPE.STRING),
dict(keyname='date', datatype=FIELD_TYPE.DATE),
dict(keyname='time', datatype=FIELD_TYPE.TIME),
dict(keyname='datetime', datatype=FIELD_TYPE.DATETIME),
])
res.persist()
DBSession.flush()
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()
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=six.text_type(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, lambda x: x)
obj.load_from_ogr(layer, lambda x: x)
DBSession.flush()
DBSession.expunge(obj)
yield obj.id
with transaction.manager:
DBSession.delete(VectorLayer.filter_by(id=obj.id).one())
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 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 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_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']