Python QSettings.value方法代码示例

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def connect(self, parent=None):
        conn_name = self.connectionName()
        settings = QSettings()
        settings.beginGroup(u"/%s/%s" % (self.connectionSettingsKey(), conn_name))

        if not settings.contains("database"):  # non-existent entry?
            raise InvalidDataException(self.tr('There is no defined database connection "%s".') % conn_name)

        from qgis.core import QgsDataSourceURI

        uri = QgsDataSourceURI()

        settingsList = ["service", "host", "port", "database", "username", "password", "authcfg"]
        service, host, port, database, username, password, authcfg = [settings.value(x, "", type=str) for x in settingsList]

        useEstimatedMetadata = settings.value("estimatedMetadata", False, type=bool)
        sslmode = settings.value("sslmode", QgsDataSourceURI.SSLprefer, type=int)

        settings.endGroup()

        if service:
            uri.setConnection(service, database, username, password, sslmode, authcfg)
        else:
            uri.setConnection(host, port, database, username, password, sslmode, authcfg)

        uri.setUseEstimatedMetadata(useEstimatedMetadata)

        try:
            return self.connectToUri(uri)
        except ConnectionError:
            return False

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def saveToSpatialite(self):
        fileFilter = self.output.tr('Spatialite files(*.sqlite)', 'OutputFile')

        settings = QSettings()
        if settings.contains('/Processing/LastOutputPath'):
            path = settings.value('/Processing/LastOutputPath')
        else:
            path = ProcessingConfig.getSetting(ProcessingConfig.OUTPUT_FOLDER)

        encoding = settings.value('/Processing/encoding', 'System')
        fileDialog = QgsEncodingFileDialog(
            self, self.tr('Save Spatialite'), path, fileFilter, encoding)
        fileDialog.setFileMode(QFileDialog.AnyFile)
        fileDialog.setAcceptMode(QFileDialog.AcceptSave)
        fileDialog.setConfirmOverwrite(False)

        if fileDialog.exec_() == QDialog.Accepted:
            files = fileDialog.selectedFiles()
            encoding = unicode(fileDialog.encoding())
            self.output.encoding = encoding
            fileName = unicode(files[0])
            selectedFileFilter = unicode(fileDialog.selectedNameFilter())
            if not fileName.lower().endswith(
                    tuple(re.findall("\*(\.[a-z]{1,10})", fileFilter))):
                ext = re.search("\*(\.[a-z]{1,10})", selectedFileFilter)
                if ext:
                    fileName += ext.group(1)
            settings.setValue('/Processing/LastOutputPath',
                              os.path.dirname(fileName))
            settings.setValue('/Processing/encoding', encoding)

            uri = QgsDataSourceURI()
            uri.setDatabase(fileName)
            uri.setDataSource('', self.output.name.lower(), 'the_geom')
            self.leText.setText("spatialite:" + uri.uri())

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def selectFile(self):
        fileFilter = self.output.getFileFilter(self.alg)

        settings = QSettings()
        if settings.contains('/Processing/LastOutputPath'):
            path = settings.value('/Processing/LastOutputPath')
        else:
            path = ProcessingConfig.getSetting(ProcessingConfig.OUTPUT_FOLDER)

        encoding = settings.value('/Processing/encoding', 'System')
        fileDialog = QgsEncodingFileDialog(
            self, self.tr('Save file'), path, fileFilter, encoding)
        fileDialog.setFileMode(QFileDialog.AnyFile)
        fileDialog.setAcceptMode(QFileDialog.AcceptSave)
        fileDialog.setConfirmOverwrite(True)

        if fileDialog.exec_() == QDialog.Accepted:
            files = fileDialog.selectedFiles()
            encoding = unicode(fileDialog.encoding())
            self.output.encoding = encoding
            fileName = unicode(files[0])
            selectedFileFilter = unicode(fileDialog.selectedNameFilter())
            if not fileName.lower().endswith(
                    tuple(re.findall("\*(\.[a-z]{1,10})", fileFilter))):
                ext = re.search("\*(\.[a-z]{1,10})", selectedFileFilter)
                if ext:
                    fileName += ext.group(1)
            self.leText.setText(fileName)
            settings.setValue('/Processing/LastOutputPath',
                              os.path.dirname(fileName))
            settings.setValue('/Processing/encoding', encoding)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def load(self):
        """ populate the mRepositories dict"""
        self.mRepositories = {}
        settings = QSettings()
        settings.beginGroup(reposGroup)
        # first, update repositories in QSettings if needed
        officialRepoPresent = False
        for key in settings.childGroups():
            url = settings.value(key + "/url", "", type=unicode)
            if url == officialRepo[1]:
                officialRepoPresent = True
            if url == officialRepo[2]:
                settings.setValue(key + "/url", officialRepo[1])  # correct a depreciated url
                officialRepoPresent = True
        if not officialRepoPresent:
            settings.setValue(officialRepo[0] + "/url", officialRepo[1])

        for key in settings.childGroups():
            self.mRepositories[key] = {}
            self.mRepositories[key]["url"] = settings.value(key + "/url", "", type=unicode)
            self.mRepositories[key]["authcfg"] = settings.value(key + "/authcfg", "", type=unicode)
            self.mRepositories[key]["enabled"] = settings.value(key + "/enabled", True, type=bool)
            self.mRepositories[key]["valid"] = settings.value(key + "/valid", True, type=bool)
            self.mRepositories[key]["Relay"] = Relay(key)
            self.mRepositories[key]["xmlData"] = None
            self.mRepositories[key]["state"] = 0
            self.mRepositories[key]["error"] = ""
        settings.endGroup()

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def initLexer(self):
        if self.lexerType == self.LEXER_PYTHON:
            self.lexer = QsciLexerPython()

            colorDefault = QColor('#2e3436')
            colorComment = QColor('#c00')
            colorCommentBlock = QColor('#3465a4')
            colorNumber = QColor('#4e9a06')
            colorType = QColor('#4e9a06')
            colorKeyword = QColor('#204a87')
            colorString = QColor('#ce5c00')

            self.lexer.setDefaultFont(self.defaultFont)
            self.lexer.setDefaultColor(colorDefault)

            self.lexer.setColor(colorComment, 1)
            self.lexer.setColor(colorNumber, 2)
            self.lexer.setColor(colorString, 3)
            self.lexer.setColor(colorString, 4)
            self.lexer.setColor(colorKeyword, 5)
            self.lexer.setColor(colorString, 6)
            self.lexer.setColor(colorString, 7)
            self.lexer.setColor(colorType, 8)
            self.lexer.setColor(colorCommentBlock, 12)
            self.lexer.setColor(colorString, 15)

            self.lexer.setFont(self.italicFont, 1)
            self.lexer.setFont(self.boldFont, 5)
            self.lexer.setFont(self.boldFont, 8)
            self.lexer.setFont(self.italicFont, 12)

            self.api = QsciAPIs(self.lexer)

            settings = QSettings()
            useDefaultAPI = bool(settings.value('pythonConsole/preloadAPI',
                                                True))
            if useDefaultAPI:
                # Load QGIS API shipped with Python console
                self.api.loadPrepared(
                    os.path.join(QgsApplication.pkgDataPath(),
                                 'python', 'qsci_apis', 'pyqgis.pap'))
            else:
                # Load user-defined API files
                apiPaths = settings.value('pythonConsole/userAPI', [])
                for path in apiPaths:
                    self.api.load(path)
                self.api.prepare()
                self.lexer.setAPIs(self.api)
        elif self.lexerType == self.LEXER_R:
            # R lexer
            self.lexer = LexerR()

        self.setLexer(self.lexer)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def __init__(self, iface, parent=None):
        QMainWindow.__init__(self, parent)
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setupUi()
        self.iface = iface

        # restore the window state
        settings = QSettings()
        self.restoreGeometry(settings.value("/DB_Manager/mainWindow/geometry", QByteArray(), type=QByteArray))
        self.restoreState(settings.value("/DB_Manager/mainWindow/windowState", QByteArray(), type=QByteArray))

        self.tabs.currentChanged.connect(self.tabChanged)
        self.tree.selectedItemChanged.connect(self.itemChanged)
        self.itemChanged(None)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def __init__(self, parent=None):
        QgsMapCanvas.__init__(self, parent)
        self.parent = parent
        self.setCanvasColor(QColor(255, 255, 255))

        self.item = None
        self.dirty = False
        self.currentLayer = None

        # reuse settings from QGIS
        settings = QSettings()
        self.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type=bool))
        action = settings.value("/qgis/wheel_action", 0, type=float)
        zoomFactor = settings.value("/qgis/zoom_factor", 2, type=float)
        self.setWheelAction(QgsMapCanvas.WheelAction(action), zoomFactor)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def processAlgorithm(self, progress):
        """Here is where the processing itself takes place."""

        # The first thing to do is retrieve the values of the parameters
        # entered by the user
        inputFilename = self.getParameterValue(self.INPUT_LAYER)
        output = self.getOutputValue(self.OUTPUT_LAYER)

        # Input layers vales are always a string with its location.
        # That string can be converted into a QGIS object (a
        # QgsVectorLayer in this case) using the
        # processing.getObjectFromUri() method.
        vectorLayer = dataobjects.getObjectFromUri(inputFilename)

        # And now we can process

        # First we create the output layer. The output value entered by
        # the user is a string containing a filename, so we can use it
        # directly
        settings = QSettings()
        systemEncoding = settings.value("/UI/encoding", "System")
        provider = vectorLayer.dataProvider()
        writer = QgsVectorFileWriter(output, systemEncoding, provider.fields(), provider.geometryType(), provider.crs())

        # Now we take the features from input layer and add them to the
        # output. Method features() returns an iterator, considering the
        # selection that might exist in layer and the configuration that
        # indicates should algorithm use only selected features or all
        # of them
        features = vector.features(vectorLayer)
        for f in features:
            writer.addFeature(f)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
 def read(self):
     qsettings = QSettings()
     value = qsettings.value(self.qname, None)
     if value is not None:
         if isinstance(self.value, bool):
             value = unicode(value).lower() == unicode(True).lower()
         self.value = value

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def chooseOutputFile(self):
        # get last used dir
        settings = QSettings()
        lastUsedDir = settings.value(self.lastUsedVectorDirSettingsKey, ".")

        # get selected filter
        selectedFilter = self.cboFileFormat.itemData(self.cboFileFormat.currentIndex())

        # ask for a filename
        filename = QFileDialog.getSaveFileName(self, self.tr("Choose where to save the file"), lastUsedDir,
                                               selectedFilter)
        if filename == "":
            return

        filterString = qgis.core.QgsVectorFileWriter.filterForDriver(selectedFilter)
        ext = filterString[filterString.find('.'):]
        ext = ext[:ext.find(' ')]

        if not filename.lower().endswith(ext):
            filename += ext

        # store the last used dir
        settings.setValue(self.lastUsedVectorDirSettingsKey, QFileInfo(filename).filePath())

        self.editOutputFile.setText(filename)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def execute(self):
        settings = QSettings()
        lastDir = settings.value('Processing/lastModelsDir', '')
        filename = QFileDialog.getOpenFileName(self.toolbox,
                                               self.tr('Open model', 'AddModelFromFileAction'), lastDir,
                                               self.tr('Processing model files (*.model *.MODEL)', 'AddModelFromFileAction'))
        if filename:
            try:
                settings.setValue('Processing/lastModelsDir',
                                  QFileInfo(filename).absoluteDir().absolutePath())

                ModelerAlgorithm.fromFile(filename)
            except WrongModelException:
                QMessageBox.warning(
                    self.toolbox,
                    self.tr('Error reading model', 'AddModelFromFileAction'),
                    self.tr('The selected file does not contain a valid model', 'AddModelFromFileAction'))
                return
            except:
                QMessageBox.warning(self.toolbox,
                                    self.tr('Error reading model', 'AddModelFromFileAction'),
                                    self.tr('Cannot read file', 'AddModelFromFileAction'))
                return
            destFilename = os.path.join(ModelerUtils.modelsFolder(), os.path.basename(filename))
            shutil.copyfile(filename, destFilename)
            self.toolbox.updateProvider('model')

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def showSelectionDialog(self):
        # Find the file dialog's working directory
        settings = QSettings()
        text = self.leText.text()
        if os.path.isdir(text):
            path = text
        elif os.path.isdir(os.path.dirname(text)):
            path = os.path.dirname(text)
        elif settings.contains('/Processing/LastInputPath'):
            path = settings.value('/Processing/LastInputPath')
        else:
            path = ''

        if self.isFolder:
            folder = QFileDialog.getExistingDirectory(self,
                                                      self.tr('Select folder'), path)
            if folder:
                self.leText.setText(folder)
                settings.setValue('/Processing/LastInputPath',
                                  os.path.dirname(folder))
        else:
            filenames = QFileDialog.getOpenFileNames(self,
                                                     self.tr('Select file'), path, '*.' + self.ext)
            if filenames:
                self.leText.setText(u';'.join(filenames))
                settings.setValue('/Processing/LastInputPath',
                                  os.path.dirname(filenames[0]))

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def chooseInputFile(self):
        vectorFormats = qgis.core.QgsProviderRegistry.instance().fileVectorFilters()
        # get last used dir and format
        settings = QSettings()
        lastDir = settings.value("/db_manager/lastUsedDir", "")
        lastVectorFormat = settings.value("/UI/lastVectorFileFilter", "")
        # ask for a filename
        (filename, lastVectorFormat) = QFileDialog.getOpenFileNameAndFilter(self, self.tr("Choose the file to import"),
                                                                            lastDir, vectorFormats, lastVectorFormat)
        if filename == "":
            return
        # store the last used dir and format
        settings.setValue("/db_manager/lastUsedDir", QFileInfo(filename).filePath())
        settings.setValue("/UI/lastVectorFileFilter", lastVectorFormat)

        self.cboInputLayer.setEditText(filename)

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def getVectorWriter(self, fields, geomType, crs, options=None):
        """Returns a suitable writer to which features can be added as
        a result of the algorithm. Use this to transparently handle
        output values instead of creating your own method.

        Executing this method might modify the object, adding additional
        information to it, so the writer can be later accessed and
        processed within QGIS. It should be called just once, since a
        new call might result in previous data being replaced, thus
        rendering a previously obtained writer useless.

        @param fields   a list  of QgsField
        @param geomType a suitable geometry type, as it would be passed
                        to a QgsVectorFileWriter constructor
        @param crs      the crs of the layer to create

        @return writer  instance of the vector writer class
        """

        if self.encoding is None:
            settings = QSettings()
            self.encoding = settings.value('/Processing/encoding', 'System', str)

        w = VectorWriter(self.value, self.encoding, fields, geomType,
                         crs, options)
        self.layer = w.layer
        return w

# 需要导入模块: from PyQt.QtCore import QSettings [as 别名]
# 或者: from PyQt.QtCore.QSettings import value [as 别名]
    def showFileSelectionDialog(self):
        settings = QSettings()
        text = unicode(self.text.text())
        if os.path.isdir(text):
            path = text
        elif os.path.isdir(os.path.dirname(text)):
            path = os.path.dirname(text)
        elif settings.contains('/Processing/LastInputPath'):
            path = unicode(settings.value('/Processing/LastInputPath'))
        else:
            path = ''

        ret = QFileDialog.getOpenFileNames(self, self.tr('Open file'), path,
                                           self.tr('All files(*.*);;') + self.param.getFileFilter())
        if ret:
            files = list(ret)
            settings.setValue('/Processing/LastInputPath',
                              os.path.dirname(unicode(files[0])))
            for i, filename in enumerate(files):
                files[i] = dataobjects.getRasterSublayer(filename, self.param)
            if len(files) == 1:
                self.text.setText(files[0])
            else:
                if isinstance(self.param, ParameterMultipleInput):
                    self.text.setText(';'.join(unicode(f) for f in files))
                else:
                    rowdif = len(files) - (self.table.rowCount() - self.row)
                    for i in range(rowdif):
                        self.panel.addRow()
                    for i, f in enumerate(files):
                        self.table.cellWidget(i + self.row,
                                              self.col).setText(f)