本文整理汇总了Python中qgis.core.QgsProject.setFileName方法的典型用法代码示例。如果您正苦于以下问题:Python QgsProject.setFileName方法的具体用法?Python QgsProject.setFileName怎么用?Python QgsProject.setFileName使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsProject
的用法示例。
在下文中一共展示了QgsProject.setFileName方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testSaveLoadProject
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def testSaveLoadProject(self):
schema_uri = encode_uri(self.ds_uri, 'qgis_test')
project_uri = encode_uri(self.ds_uri, 'qgis_test', 'abc')
self.dropProjectsTable() # make sure we have a clean start
prj = QgsProject()
uri = self.vl.source()
vl1 = QgsVectorLayer(uri, 'test', 'postgres')
self.assertEqual(vl1.isValid(), True)
prj.addMapLayer(vl1)
prj_storage = QgsApplication.projectStorageRegistry().projectStorageFromType("postgresql")
self.assertTrue(prj_storage)
lst0 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst0, [])
# try to save project in the database
prj.setFileName(project_uri)
res = prj.write()
self.assertTrue(res)
lst1 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst1, ["abc"])
# now try to load the project back
prj2 = QgsProject()
prj2.setFileName(project_uri)
res = prj2.read()
self.assertTrue(res)
self.assertEqual(len(prj2.mapLayers()), 1)
self.assertEqual(prj2.baseName(), "abc")
self.assertEqual(prj2.absoluteFilePath(), "") # path not supported for project storages
self.assertTrue(abs(prj2.lastModified().secsTo(QDateTime.currentDateTime())) < 10)
# try to see project's metadata
res, metadata = prj_storage.readProjectStorageMetadata(project_uri)
self.assertTrue(res)
self.assertEqual(metadata.name, "abc")
time_project = metadata.lastModified
time_now = QDateTime.currentDateTime()
time_diff = time_now.secsTo(time_project)
self.assertTrue(abs(time_diff) < 10)
# try to remove the project
res = prj_storage.removeProject(project_uri)
self.assertTrue(res)
lst2 = prj_storage.listProjects(schema_uri)
self.assertEqual(lst2, [])
self.dropProjectsTable() # make sure we have a clean finish... "leave no trace"
示例2: test_zip_filename
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def test_zip_filename(self):
tmpDir = QTemporaryDir()
tmpFile = "{}/project.qgz".format(tmpDir.path())
project = QgsProject()
self.assertFalse(project.write())
project.setFileName(tmpFile)
self.assertTrue(project.write())
self.assertTrue(os.path.isfile(tmpFile))
示例3: testProjectTitleWithPeriod
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def testProjectTitleWithPeriod(self):
tmpDir = QTemporaryDir()
tmpFile = "{}/2.18.21.qgs".format(tmpDir.path())
tmpFile2 = "{}/qgis-3.2.0.qgs".format(tmpDir.path())
p0 = QgsProject()
p0.setFileName(tmpFile)
p1 = QgsProject()
p1.setFileName(tmpFile2)
self.assertEqual(p0.baseName(), '2.18.21')
self.assertEqual(p1.baseName(), 'qgis-3.2.0')
示例4: testCustomLayerOrder
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def testCustomLayerOrder(self):
""" test project layer order"""
prj = QgsProject()
layer = QgsVectorLayer("Point?field=fldtxt:string",
"layer1", "memory")
layer2 = QgsVectorLayer("Point?field=fldtxt:string",
"layer2", "memory")
layer3 = QgsVectorLayer("Point?field=fldtxt:string",
"layer3", "memory")
prj.addMapLayers([layer, layer2, layer3])
layer_order_changed_spy = QSignalSpy(prj.layerTreeRoot().customLayerOrderChanged)
prj.layerTreeRoot().setCustomLayerOrder([layer2, layer])
self.assertEqual(len(layer_order_changed_spy), 1)
prj.layerTreeRoot().setCustomLayerOrder([layer2, layer])
self.assertEqual(len(layer_order_changed_spy), 1) # no signal, order not changed
self.assertEqual(prj.layerTreeRoot().customLayerOrder(), [layer2, layer])
prj.layerTreeRoot().setCustomLayerOrder([layer])
self.assertEqual(prj.layerTreeRoot().customLayerOrder(), [layer])
self.assertEqual(len(layer_order_changed_spy), 2)
# remove a layer
prj.layerTreeRoot().setCustomLayerOrder([layer2, layer, layer3])
self.assertEqual(len(layer_order_changed_spy), 3)
prj.removeMapLayer(layer)
self.assertEqual(prj.layerTreeRoot().customLayerOrder(), [layer2, layer3])
self.assertEqual(len(layer_order_changed_spy), 4)
# save and restore
file_name = os.path.join(QDir.tempPath(), 'proj.qgs')
prj.setFileName(file_name)
prj.write()
prj2 = QgsProject()
prj2.setFileName(file_name)
prj2.read()
self.assertEqual([l.id() for l in prj2.layerTreeRoot().customLayerOrder()], [layer2.id(), layer3.id()])
# clear project
prj.clear()
self.assertEqual(prj.layerTreeRoot().customLayerOrder(), [])
示例5: testPalPropertiesReadWrite
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def testPalPropertiesReadWrite(self):
tmpDir = QTemporaryDir()
tmpFile = "{}/project.qgs".format(tmpDir.path())
s0 = QgsLabelingEngineSettings()
s0.setNumCandidatePositions(3, 33, 333)
p0 = QgsProject()
p0.setFileName(tmpFile)
p0.setLabelingEngineSettings(s0)
p0.write()
p1 = QgsProject()
p1.read(tmpFile)
s1 = p1.labelingEngineSettings()
candidates = s1.numCandidatePositions()
self.assertEqual(candidates[0], 3)
self.assertEqual(candidates[1], 33)
self.assertEqual(candidates[2], 333)
示例6: TestQgsServerProjectUtils
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
class TestQgsServerProjectUtils(unittest.TestCase):
def setUp(self):
self.testdata_path = unitTestDataPath('qgis_server_project') + '/'
self.prj = QgsProject()
prjPath = os.path.join(self.testdata_path, "project.qgs")
self.prj.setFileName(prjPath)
self.prj.read()
def tearDown(self):
pass
def test_size(self):
self.assertEqual(QgsServerProjectUtils.wmsMaxWidth(self.prj), 400)
self.assertEqual(QgsServerProjectUtils.wmsMaxHeight(self.prj), 500)
def test_url(self):
self.assertEqual(QgsServerProjectUtils.wmsServiceUrl(self.prj), "my_wms_advertised_url")
self.assertEqual(QgsServerProjectUtils.wcsServiceUrl(self.prj), "my_wcs_advertised_url")
self.assertEqual(QgsServerProjectUtils.wfsServiceUrl(self.prj), "my_wfs_advertised_url")
示例7: testHomePath
# 需要导入模块: from qgis.core import QgsProject [as 别名]
# 或者: from qgis.core.QgsProject import setFileName [as 别名]
def testHomePath(self):
p = QgsProject()
path_changed_spy = QSignalSpy(p.homePathChanged)
self.assertFalse(p.homePath())
self.assertFalse(p.presetHomePath())
# simulate save file
tmp_dir = QTemporaryDir()
tmp_file = "{}/project.qgs".format(tmp_dir.path())
with open(tmp_file, 'w') as f:
pass
p.setFileName(tmp_file)
# home path should be file path
self.assertEqual(p.homePath(), tmp_dir.path())
self.assertFalse(p.presetHomePath())
self.assertEqual(len(path_changed_spy), 1)
# manually override home path
p.setPresetHomePath('/tmp/my_path')
self.assertEqual(p.homePath(), '/tmp/my_path')
self.assertEqual(p.presetHomePath(), '/tmp/my_path')
self.assertEqual(len(path_changed_spy), 2)
# check project scope
scope = QgsExpressionContextUtils.projectScope(p)
self.assertEqual(scope.variable('project_home'), '/tmp/my_path')
# no extra signal if path is unchanged
p.setPresetHomePath('/tmp/my_path')
self.assertEqual(p.homePath(), '/tmp/my_path')
self.assertEqual(p.presetHomePath(), '/tmp/my_path')
self.assertEqual(len(path_changed_spy), 2)
# setting file name should not affect home path is manually set
tmp_file_2 = "{}/project/project2.qgs".format(tmp_dir.path())
os.mkdir(tmp_dir.path() + '/project')
with open(tmp_file_2, 'w') as f:
pass
p.setFileName(tmp_file_2)
self.assertEqual(p.homePath(), '/tmp/my_path')
self.assertEqual(p.presetHomePath(), '/tmp/my_path')
self.assertEqual(len(path_changed_spy), 2)
scope = QgsExpressionContextUtils.projectScope(p)
self.assertEqual(scope.variable('project_home'), '/tmp/my_path')
# clear manual path
p.setPresetHomePath('')
self.assertEqual(p.homePath(), tmp_dir.path() + '/project')
self.assertFalse(p.presetHomePath())
self.assertEqual(len(path_changed_spy), 3)
scope = QgsExpressionContextUtils.projectScope(p)
self.assertEqual(scope.variable('project_home'), tmp_dir.path() + '/project')
# relative path
p.setPresetHomePath('../home')
self.assertEqual(p.homePath(), tmp_dir.path() + '/home')
self.assertEqual(p.presetHomePath(), '../home')
self.assertEqual(len(path_changed_spy), 4)
scope = QgsExpressionContextUtils.projectScope(p)
self.assertEqual(scope.variable('project_home'), tmp_dir.path() + '/home')
# relative path, no filename
p.setFileName('')
self.assertEqual(p.homePath(), '../home')
self.assertEqual(p.presetHomePath(), '../home')
scope = QgsExpressionContextUtils.projectScope(p)
self.assertEqual(scope.variable('project_home'), '../home')