How to use the taurus.external.qt.Qt.QLabel function in taurus

def _setupUI(self):
        BasePage._setupUI(self)
        self.setTitle('Custom logo')
        self._label = Qt.QLabel(
            "\nIf you want to have a custom logo inside your application panel, please select the image file. \n")
        self._label.setWordWrap(True)
        self._layout.addWidget(self._label, 0, 0, 1, 4)
        self._customLogoLabel = Qt.QLabel("Custom logo:")
        self._customLogoLineEdit = Qt.QLineEdit()
        self._customLogoLineEdit.setMinimumSize(250, 25)
        self._customLogoLineEdit.setReadOnly(False)
        self._customLogoButton = Qt.QPushButton()
        self._customLogoButton.setToolTip("Browse...")
        self._customLogoButton.setIcon(Qt.QIcon.fromTheme("folder-open"))
        self._customLogoButton.setMaximumSize(80, 25)
        self._spacerItem1 = Qt.QSpacerItem(
            30, 30, Qt.QSizePolicy.Fixed, Qt.QSizePolicy.Fixed)
        self._customLogo = Qt.QLabel(self)
        self._customLogo.setAlignment(Qt.Qt.AlignCenter)
        self._customLogo.setMinimumSize(120, 120)

self._deviceMemberEdit = Qt.QLineEdit()
        self._deviceClass = Qt.QLineEdit()
        self._serverEdit = Qt.QLineEdit()
        self._serverNameEdit = Qt.QLineEdit()
        self._serverInstanceEdit = Qt.QLineEdit()
        self._attributeEdit = Qt.QLineEdit()

        lbl = Qt.QLabel("Device type:")
        l.addWidget(lbl, 1, 0)
        l.setAlignment(lbl, Qt.Qt.AlignRight)
        l.addWidget(self._deviceClass, 1, 1)
        l.addWidget(Qt.QLabel("Device:"), 2, 0)
        l.addWidget(self._deviceEdit, 2, 1)
        l.addWidget(Qt.QLabel("Device domain:"), 3, 0)
        l.addWidget(self._deviceDomainEdit, 3, 1)
        l.addWidget(Qt.QLabel("Device family:"), 4, 0)
        l.addWidget(self._deviceFamilyEdit, 4, 1)
        l.addWidget(Qt.QLabel("Device member:"), 5, 0)
        l.addWidget(self._deviceMemberEdit, 5, 1)
        l.addWidget(Qt.QLabel("Server:"), 6, 0)
        l.addWidget(self._serverEdit, 6, 1)
        l.addWidget(Qt.QLabel("Server name:"), 7, 0)
        l.addWidget(self._serverNameEdit, 7, 1)
        l.addWidget(Qt.QLabel("Server instance:"), 8, 0)
        l.addWidget(self._serverInstanceEdit, 8, 1)
        l.addWidget(Qt.QLabel("Attribute:"), 9, 0)
        l.addWidget(self._attributeEdit, 9, 1)

self._serverInstanceEdit = Qt.QLineEdit()
        self._attributeEdit = Qt.QLineEdit()

        lbl = Qt.QLabel("Device type:")
        l.addWidget(lbl, 1, 0)
        l.setAlignment(lbl, Qt.Qt.AlignRight)
        l.addWidget(self._deviceClass, 1, 1)
        l.addWidget(Qt.QLabel("Device:"), 2, 0)
        l.addWidget(self._deviceEdit, 2, 1)
        l.addWidget(Qt.QLabel("Device domain:"), 3, 0)
        l.addWidget(self._deviceDomainEdit, 3, 1)
        l.addWidget(Qt.QLabel("Device family:"), 4, 0)
        l.addWidget(self._deviceFamilyEdit, 4, 1)
        l.addWidget(Qt.QLabel("Device member:"), 5, 0)
        l.addWidget(self._deviceMemberEdit, 5, 1)
        l.addWidget(Qt.QLabel("Server:"), 6, 0)
        l.addWidget(self._serverEdit, 6, 1)
        l.addWidget(Qt.QLabel("Server name:"), 7, 0)
        l.addWidget(self._serverNameEdit, 7, 1)
        l.addWidget(Qt.QLabel("Server instance:"), 8, 0)
        l.addWidget(self._serverInstanceEdit, 8, 1)
        l.addWidget(Qt.QLabel("Attribute:"), 9, 0)
        l.addWidget(self._attributeEdit, 9, 1)

self.argEdit = Qt.QLineEdit()
                self.w_arg.layout().addWidget(self.argEdit, 1, col)
                _argEditors.append(self.argEdit)

            for e, v in zip(_argEditors, d_values):
                if v is None:
                    continue
                e.setText(str(v))

            # Create bottom layout
            self.mb = MacroButton()
            self.mb.setModel(door_name)
            self.w_bottom = Qt.QWidget()
            self.w_bottom.setLayout(Qt.QGridLayout())
            self.w_bottom.layout().addWidget(self.mb, 0, 0, 2, 7)
            self.w_bottom.layout().addWidget(Qt.QLabel('Result:'), 2, 0)

            self.result_label = Qt.QLabel()
            self.w_bottom.layout().addWidget(self.result_label, 2, 1, 1, 5)

            self.show_progress = Qt.QCheckBox('Progress')
            self.show_progress.setChecked(True)
            self.w_bottom.layout().addWidget(self.show_progress, 3, 0)

            mb_abort = TaurusCommandButton(command='StopMacro',
                                           icon=':/actions/media_playback_stop.svg')
            mb_abort.setModel(door_name)
            self.w_bottom.layout().addWidget(mb_abort, 3, 1)

            # Toggle progressbar
            self.show_progress.stateChanged.connect(self.toggle_progress)
            # connect the argument editors

def __init__(self, parent=None, ledsize=LedSize.SMALL,
                 ledcolor=LedColor.GREEN):
        Qt.QLabel.__init__(self, parent)

        self.ledsize = ledsize
        self.status = LedStatus.OFF
        self.ledcolor = ledcolor

        self.setObjectName("Led")
        sizePolicy = Qt.QSizePolicy(
            Qt.QSizePolicy.Policy(0), Qt.QSizePolicy.Policy(0))
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.sizePolicy().hasHeightForWidth())
        self.setSizePolicy(sizePolicy)

        # no need to call changeColor. changeSize calls it for us
        self.changeSize(ledsize)

for cname in self.defaultCandidates + list(customWidgets):
            if cname in available or '.' in cname:
                row.append(cname)
                if cname not in pixmaps:
                    pixmaps[cname] = getCachedPixmap('snapshot:%s.png' % cname)
                if len(row) == 3:
                    choices.append(row)
                    row = []
        row.append(self.OTHER_TXT)
        choices.append(row)

        # defaultPixmap=getPixmap('logos:taurus.png')
        self.choiceWidget = GraphicalChoiceWidget(
            choices=choices, pixmaps=pixmaps)

        self.widgetTypeLB = Qt.QLabel("<b>Widget Type:</b>")

        self.choiceWidget.choiceMade.connect(self.onChoiceMade)

        layout = Qt.QVBoxLayout()
        layout.addLayout(nameLayout)
        layout.addWidget(self.choiceWidget)
        layout.addWidget(self.widgetTypeLB)
        self.setLayout(layout)

def setText_(self, text):
        """Method to expose QLabel.setText"""
        Qt.QLabel.setText(self, text)

def updateReadWidget(self):
        # get the class for the widget and replace it if necessary
        try:
            klass = self.readWidgetClassFactory(self.readWidgetClassID)
            self._readWidget = self._newSubwidget(self._readWidget, klass)
        except Exception as e:
            self._destroyWidget(self._readWidget)
            self._readWidget = Qt.QLabel('[Error]')
            msg = 'Error creating read widget:\n' + str(e)
            self._readWidget.setToolTip(msg)
            self.debug(msg)
            # self.traceback(30) #warning level=30

        # take care of the layout
        self.addReadWidgetToLayout()

        if self._readWidget is not None:
            # give the new widget a reference to its buddy TaurusValue object
            self._readWidget.taurusValueBuddy = weakref.ref(self)
            if isinstance(self._readWidget, TaurusReadWriteSwitcher):
                self._readWidget.readWidget.taurusValueBuddy = weakref.ref(
                    self)
                self._readWidget.writeWidget.taurusValueBuddy = weakref.ref(
                    self)

l.addWidget(self._deviceClass, 1, 1)
        l.addWidget(Qt.QLabel("Device:"), 2, 0)
        l.addWidget(self._deviceEdit, 2, 1)
        l.addWidget(Qt.QLabel("Device domain:"), 3, 0)
        l.addWidget(self._deviceDomainEdit, 3, 1)
        l.addWidget(Qt.QLabel("Device family:"), 4, 0)
        l.addWidget(self._deviceFamilyEdit, 4, 1)
        l.addWidget(Qt.QLabel("Device member:"), 5, 0)
        l.addWidget(self._deviceMemberEdit, 5, 1)
        l.addWidget(Qt.QLabel("Server:"), 6, 0)
        l.addWidget(self._serverEdit, 6, 1)
        l.addWidget(Qt.QLabel("Server name:"), 7, 0)
        l.addWidget(self._serverNameEdit, 7, 1)
        l.addWidget(Qt.QLabel("Server instance:"), 8, 0)
        l.addWidget(self._serverInstanceEdit, 8, 1)
        l.addWidget(Qt.QLabel("Attribute:"), 9, 0)
        l.addWidget(self._attributeEdit, 9, 1)

panelLayout.addWidget(titleBar, 0)

        l = Qt.QHBoxLayout()
        l.setMargin(2)
        l.setSpacing(2)
        self._titleBar.setLayout(l)

        self._titleButton = Qt.QToolButton()
        self._titleButton.setStyleSheet("border: 0px")
        styleOption = Qt.QStyleOption()
        styleOption.initFrom(self._titleButton)
        style = Qt.QApplication.style()
        icon = style.standardIcon(
            Qt.QStyle.SP_DesktopIcon, styleOption, self._titleButton)
        self._titleButton.setIcon(icon)
        self._titleLabel = Qt.QLabel()
        self._upDownButton = Qt.QToolButton()
        self._upDownButton.setStyleSheet("border: 0px")
        self._upDownButton.clicked.connect(self.switchContentVisible)
        l.addWidget(self._titleButton, 0)
        l.addWidget(self._titleLabel, 1)
        l.addWidget(self._upDownButton, 0)

        self._content = content = ContentFrame()
        l = Qt.QHBoxLayout()
        l.setContentsMargins(0, 0, 0, 0)
        content.setLayout(l)
        panelLayout.addWidget(content, 1)