Python QTemporaryFile.close方法代码示例

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def testSaveRestoreFromProject(self):
        p = QgsProject()
        provider = ProjectProvider(p)

        # add some algorithms
        alg = QgsProcessingModelAlgorithm('test name', 'test group')
        provider.add_model(alg)
        alg2 = QgsProcessingModelAlgorithm('test name2', 'test group2')
        provider.add_model(alg2)
        self.assertEqual(len(provider.algorithms()), 2)

        tmp_file = QTemporaryFile()
        tmp_file.open()  # fileName is no available until open
        temp_path = tmp_file.fileName()
        tmp_file.close()

        self.assertTrue(p.write(temp_path))

        # restore project
        p2 = QgsProject()
        provider2 = ProjectProvider(p2)
        self.assertTrue(p2.read(temp_path))

        self.assertEqual(len(provider2.model_definitions), 2)
        self.assertEqual(len(provider2.algorithms()), 2)
        self.assertEqual(provider2.algorithms()[0].name(), 'test name')
        self.assertEqual(provider2.algorithms()[0].group(), 'test group')
        self.assertEqual(provider2.algorithms()[1].name(), 'test name2')
        self.assertEqual(provider2.algorithms()[1].group(), 'test group2')

        # clear project should remove algorithms
        p2.clear()
        self.assertFalse(provider2.algorithms())

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
 def get_temp_filename(self):
     tmpFile = QTemporaryFile()
     tmpFile.open()  # fileName is no available until open
     tmpName = tmpFile.fileName()
     tmpFile.close()
     tmpFile.setAutoRemove(False)
     return tmpName

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def fetch_online_directories(self):
        """Fetch online directory of repositories."""
        downloader = NetworkManager(self.DIRECTORY_URL)
        status, _ = downloader.fetch()
        if status:
            directory_file = QTemporaryFile()
            if directory_file.open():
                directory_file.write(downloader.content)
                directory_file.close()

            with open(directory_file.fileName()) as csv_file:
                reader = csv.DictReader(csv_file, fieldnames=('name', 'url'))
                for row in reader:
                    self._online_directories[row['name']] = row['url'].strip()
            # Save it to cache
            settings = QSettings()
            settings.beginGroup(repo_settings_group())
            settings.setValue('online_directories', self._online_directories)
            settings.endGroup()
        else:
            # Just use cache from previous use
            settings = QSettings()
            settings.beginGroup(repo_settings_group())
            self._online_directories = settings.value('online_directories', {})
            settings.endGroup()

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def __init__(self, url):
        """Constructor of query.

        :param url:Full URL of OverPass Query with the query encoded in it.
        :type url:str
        """
        self._url = QUrl(url)

        temporary = QTemporaryFile(
            os.path.join(QDir.tempPath(), 'request-XXXXXX.osm'))
        temporary.open()
        self.result_path = temporary.fileName()
        temporary.close()

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def __init__(self, db, sql, parent):
        super().__init__(db, sql, parent)

        tf = QTemporaryFile()
        tf.open()
        path = tf.fileName()
        tf.close()

        df = QgsVirtualLayerDefinition()
        df.setFilePath(path)
        df.setQuery(sql)

        self.subtask = QgsVirtualLayerTask(df)
        self.addSubTask(self.subtask, [], QgsTask.ParentDependsOnSubTask)

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def test_zip_file_yet_exist(self):
        zip = QTemporaryFile()
        zip.open()
        zip.close()
        os.remove(zip.fileName())

        f0 = os.path.join(unitTestDataPath(), 'multipoint.shp')
        f1 = os.path.join(unitTestDataPath(), 'lines.shp')
        f2 = os.path.join(unitTestDataPath(), 'joins.qgs')

        rc = QgsZipUtils.zip(zip.fileName(), [f0, f1, f2])
        self.assertTrue(rc)

        rc = QgsZipUtils.zip(zip.fileName(), [f0, f1, f2])
        self.assertFalse(rc)

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def _get_cursor_columns(self, c):
        tf = QTemporaryFile()
        tf.open()
        tmp = tf.fileName()
        tf.close()

        q = QUrl.toPercentEncoding(c.sql)
        p = QgsVectorLayer("%s?query=%s" % (QUrl.fromLocalFile(tmp).toString(), q), "vv", "virtual")
        if not p.isValid():
            return []
        f = [f.name() for f in p.fields()]
        if p.geometryType() != Qgis.WKBNoGeometry:
            gn = getQueryGeometryName(tmp)
            if gn:
                f += [gn]
        return f

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def _get_cursor_columns(self, c):
        tf = QTemporaryFile()
        tf.open()
        tmp = tf.fileName()
        tf.close()

        df = QgsVirtualLayerDefinition()
        df.setFilePath(tmp)
        df.setQuery(c.sql)
        p = QgsVectorLayer(df.toString(), "vv", "virtual")
        if not p.isValid():
            return []
        f = [f.name() for f in p.fields()]
        if p.geometryType() != QgsWkbTypes.NullGeometry:
            gn = getQueryGeometryName(tmp)
            if gn:
                f += [gn]
        return f

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def __init__(self, db, sql, parent=None):
        # create a virtual layer with non-geometry results
        t = QTime()
        t.start()

        tf = QTemporaryFile()
        tf.open()
        tmp = tf.fileName()
        tf.close()

        df = QgsVirtualLayerDefinition()
        df.setFilePath(tmp)
        df.setQuery(sql)
        p = QgsVectorLayer(df.toString(), "vv", "virtual")
        self._secs = t.elapsed() / 1000.0

        if not p.isValid():
            data = []
            header = []
            raise DbError(p.dataProvider().error().summary(), sql)
        else:
            header = [f.name() for f in p.fields()]
            has_geometry = False
            if p.geometryType() != QgsWkbTypes.NullGeometry:
                gn = getQueryGeometryName(tmp)
                if gn:
                    has_geometry = True
                    header += [gn]

            data = []
            for f in p.getFeatures():
                a = f.attributes()
                if has_geometry:
                    if f.hasGeometry():
                        a += [f.geometry().exportToWkt()]
                    else:
                        a += [None]
                data += [a]

        self._secs = 0
        self._affectedRows = len(data)

        BaseTableModel.__init__(self, header, data, parent)

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def testTagging(self):
        self.assertFalse(QgsExifTools.geoTagImage('', QgsPointXY(1, 2)))
        self.assertFalse(QgsExifTools.geoTagImage('not a path', QgsPointXY(1, 2)))

        src_photo = os.path.join(TEST_DATA_DIR, 'photos', 'notags.JPG')

        tmpFile = QTemporaryFile()
        tmpFile.open()
        tmpName = tmpFile.fileName()
        tmpFile.close()

        shutil.copy(src_photo, tmpName)
        self.assertTrue(QgsExifTools.geoTagImage(tmpName, QgsPointXY(1.1, 3.3)))
        tag, ok = QgsExifTools.getGeoTag(tmpName)
        self.assertTrue(ok)
        self.assertEqual(tag.asWkt(6), 'Point (1.1 3.3)')
        os.remove(tmpName)

        shutil.copy(src_photo, tmpName)
        self.assertTrue(QgsExifTools.geoTagImage(tmpName, QgsPointXY(-1.1, -3.3)))
        tag, ok = QgsExifTools.getGeoTag(tmpName)
        self.assertTrue(ok)
        self.assertEqual(tag.asWkt(6), 'Point (-1.1 -3.3)')
        os.remove(tmpName)

        shutil.copy(src_photo, tmpName)
        deets = QgsExifTools.GeoTagDetails()
        deets.elevation = 110.1
        self.assertTrue(QgsExifTools.geoTagImage(tmpName, QgsPointXY(1.1, 3.3), deets))
        tag, ok = QgsExifTools.getGeoTag(tmpName)
        self.assertTrue(ok)
        self.assertEqual(tag.asWkt(6), 'PointZ (1.1 3.3 110.1)')
        os.remove(tmpName)

        shutil.copy(src_photo, tmpName)
        deets = QgsExifTools.GeoTagDetails()
        deets.elevation = -110.1
        self.assertTrue(QgsExifTools.geoTagImage(tmpName, QgsPointXY(1.1, 3.3), deets))
        tag, ok = QgsExifTools.getGeoTag(tmpName)
        self.assertTrue(ok)
        self.assertEqual(tag.asWkt(6), 'PointZ (1.1 3.3 -110.1)')
        os.remove(tmpName)

# 需要导入模块: from qgis.PyQt.QtCore import QTemporaryFile [as 别名]
# 或者: from qgis.PyQt.QtCore.QTemporaryFile import close [as 别名]
    def __init__(self, db, sql, parent=None):
        # create a virtual layer with non-geometry results
        q = QUrl.toPercentEncoding(sql)
        t = QTime()
        t.start()

        tf = QTemporaryFile()
        tf.open()
        tmp = tf.fileName()
        tf.close()

        p = QgsVectorLayer("%s?query=%s" % (QUrl.fromLocalFile(tmp).toString(), q), "vv", "virtual")
        self._secs = t.elapsed() / 1000.0

        if not p.isValid():
            data = []
            header = []
            raise DbError(p.dataProvider().error().summary(), sql)
        else:
            header = [f.name() for f in p.fields()]
            has_geometry = False
            if p.geometryType() != QGis.WKBNoGeometry:
                gn = getQueryGeometryName(tmp)
                if gn:
                    has_geometry = True
                    header += [gn]

            data = []
            for f in p.getFeatures():
                a = f.attributes()
                if has_geometry:
                    if f.geometry():
                        a += [f.geometry().exportToWkt()]
                    else:
                        a += [None]
                data += [a]

        self._secs = 0
        self._affectedRows = len(data)

        BaseTableModel.__init__(self, header, data, parent)