本文整理汇总了Python中qgis.core.QgsProject.absoluteFilePath方法的典型用法代码示例。如果您正苦于以下问题：Python QgsProject.absoluteFilePath方法的具体用法？Python QgsProject.absoluteFilePath怎么用？Python QgsProject.absoluteFilePath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.absoluteFilePath方法的1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 absoluteFilePath [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"