def test_project_extent(self):
p = QgsProject()
p.read(sorted(list(projects().values()))[2])
self.assertTrue(QgsServerProjectUtils.wmsExtent(p).isNull())
info = project_info(sorted(list(projects().values()))[2])
self.assertEqual(
re.sub(r'(\.\d{2})\d+', r'\1', str(info['geographic_extent'])),
'[10.68, 52.41, 10.74, 52.45]')
def project_wms(project, crs):
"""Calculate the extent from WMS advertized (if defined) or from
WMS published layers.
:param project: [description]
:type project: [type]
:returns: a tuple with WMS extent and list of published WMS typenames
:rtype: tuple
"""
wms_typenames = []
extent = ''
restricted_wms = QgsServerProjectUtils.wmsRestrictedLayers(project)
use_ids = QgsServerProjectUtils.wmsUseLayerIds(project)
for l in project.mapLayers().values():
if l.name() not in restricted_wms:
lid = l.id() if use_ids else l.name()
wms_typenames.append(lid)
extent = QgsServerProjectUtils.wmsExtent(project)
if extent.isNull():
target_crs = QgsCoordinateReferenceSystem.fromEpsgId(
int(crs.split(':')[1]))
for l in project.mapLayers().values():
if l.name() not in restricted_wms:
l_extent = l.extent()
if l.crs() != target_crs:
ct = QgsCoordinateTransform(l.crs(), target_crs,
project.transformContext())
l_extent = ct.transform(l_extent)
if extent.isNull():
extent = l_extent
else:
extent.combineExtentWith(l_extent)
else:
if crs != project.crs().authid():
target_crs = QgsCoordinateReferenceSystem.fromEpsgId(
int(crs.split(':')[1]))
ct = QgsCoordinateTransform(project.crs(), target_crs,
project.transformContext())
extent = ct.transform(extent)
return extent, wms_typenames
