def testProject(self): p = QgsProject() m = self.createTestMetadata() metadata_changed_spy = QSignalSpy(p.metadataChanged) p.setMetadata(m) self.assertEqual(len(metadata_changed_spy), 1) self.checkExpectedMetadata(p.metadata()) p.clear() self.assertEqual(len(metadata_changed_spy), 2) self.assertEqual(p.metadata().title(), '') # test that the project title is just a shortcut to the metadata title field p.setTitle('my title') self.assertEqual(p.metadata().title(), 'my title') m.setTitle('my title 2') p.setMetadata(m) self.assertEqual(p.title(), 'my title 2')
def project_info(project_path): """Extracts project information and returns it as a dictionary""" info = {} p = QgsProject() canvas = QgsMapCanvas() def _readCanvasSettings(xmlDocument): canvas.readProject(xmlDocument) p.readProject.connect(_readCanvasSettings, Qt.DirectConnection) if p.read(project_path): # initial extent extent = canvas.extent() if p.crs().authid() != 4326: ct = QgsCoordinateTransform( p.crs(), QgsCoordinateReferenceSystem.fromEpsgId(4326), p.transformContext()) extent = ct.transform(extent) info['initial_extent'] = [ extent.xMinimum(), extent.yMinimum(), extent.xMaximum(), extent.yMaximum(), ] #################################################### # Main section info['title'] = p.metadata().title() if not info['title']: info['title'] = QgsServerProjectUtils.owsServiceTitle(p) if not info['title']: info['title'] = p.title() if not info['title']: info['title'] = p.baseName() info['description'] = p.metadata().abstract() if not info['description']: info['description'] = QgsServerProjectUtils.owsServiceAbstract(p) # Extent, CRS and published WMS layers typenames wmsOutputCrsList = QgsServerProjectUtils.wmsOutputCrsList(p) info[ 'crs'] = 'EPSG:4326' if 'EPSG:4326' in wmsOutputCrsList else wmsOutputCrsList[ 0] extent, info['wms_layers'] = project_wms(p, info['crs']) info['extent'] = [ extent.xMinimum(), extent.yMinimum(), extent.xMaximum(), extent.yMaximum() ] geographic_extent = extent if info['crs'] != 'EPSG:4326': extent_crs = QgsCoordinateReferenceSystem.fromEpsgId( int(info['crs'].split(':')[1])) ct = QgsCoordinateTransform( extent_crs, QgsCoordinateReferenceSystem.fromEpsgId(4326), p.transformContext()) geographic_extent = ct.transform(geographic_extent) info['geographic_extent'] = [ geographic_extent.xMinimum(), geographic_extent.yMinimum(), geographic_extent.xMaximum(), geographic_extent.yMaximum() ] #################################################### # Metadata section m = p.metadata() metadata = {} for prop in ( 'title', 'identifier', 'parentIdentifier', 'abstract', 'author', 'language', 'categories', 'history', 'type', ): metadata[prop] = getattr(m, prop)() # links array metadata['links'] = _read_links(m) # contacts array metadata['contacts'] = _read_contacts(m) metadata['creationDateTime'] = m.creationDateTime().toString( Qt.ISODate) info['metadata'] = metadata #################################################### # WMS Service Capabilities section capabilities = {} for c in ('owsServiceAbstract', 'owsServiceAccessConstraints', 'owsServiceCapabilities', 'owsServiceContactMail', 'owsServiceContactOrganization', 'owsServiceContactPerson', 'owsServiceContactPhone', 'owsServiceContactPosition', 'owsServiceFees', 'owsServiceKeywords', 'owsServiceOnlineResource', 'owsServiceTitle', 'wcsLayerIds', 'wcsServiceUrl', 'wfsLayerIds', 'wfsServiceUrl', 'wfstDeleteLayerIds', 'wfstInsertLayerIds', 'wfstUpdateLayerIds', 'wmsDefaultMapUnitsPerMm', 'wmsExtent', 'wmsFeatureInfoAddWktGeometry', 'wmsFeatureInfoDocumentElement', 'wmsFeatureInfoDocumentElementNs', 'wmsFeatureInfoLayerAliasMap', 'wmsFeatureInfoPrecision', 'wmsFeatureInfoSchema', 'wmsFeatureInfoSegmentizeWktGeometry', 'wmsImageQuality', 'wmsInfoFormatSia2045', 'wmsInspireActivate', 'wmsInspireLanguage', 'wmsInspireMetadataDate', 'wmsInspireMetadataUrl', 'wmsInspireMetadataUrlType', 'wmsInspireTemporalReference', 'wmsMaxAtlasFeatures', 'wmsMaxHeight', 'wmsMaxWidth', 'wmsOutputCrsList', 'wmsRestrictedComposers', 'wmsRestrictedLayers', 'wmsRootName', 'wmsServiceUrl', 'wmsTileBuffer', 'wmsUseLayerIds', 'wmtsServiceUrl'): capabilities[c] = getattr(QgsServerProjectUtils, c)(p) info['capabilities'] = capabilities #################################################### # WMS Layers section info['wms_root_name'] = capabilities['wmsRootName'] if capabilities[ 'wmsRootName'] else p.title() restricted_wms = capabilities['wmsRestrictedLayers'] wms_layers = {} use_ids = capabilities['wmsUseLayerIds'] # Map layer title to layer name (or id if use_ids) wms_layers_map = {} # Maps a typename to a layer id wms_layers_typename_id_map = {} wms_layers_searchable = [] wms_layers_queryable = [] for l in p.mapLayers().values(): if l.name() not in restricted_wms: wms_layers[l.id()] = layer_info(l) name = l.title() if l.title() else l.name() short_name = l.shortName() if l.shortName() else l.name() wms_layers_typename_id_map[short_name] = l.id() wms_layers_map[name] = l.id() if use_ids else short_name if bool(l.flags() & QgsMapLayer.Searchable): wms_layers_searchable.append(l.id()) if bool(l.flags() & QgsMapLayer.Identifiable): wms_layers_queryable.append(l.id()) info['wms_layers'] = wms_layers info['wms_layers_map'] = wms_layers_map info['wms_layers_searchable'] = wms_layers_searchable info['wms_layers_queryable'] = wms_layers_queryable info['wms_layers_typename_id_map'] = wms_layers_typename_id_map #################################################### # TOC tree (WMS published only) info['toc'] = get_toc(p, info) return info