How to use the photini.pyqt.QtWidgets.QPushButton function in Photini

left_side = QtWidgets.QGridLayout()
        # latitude & longitude
        self.coords = LatLongDisplay(self.image_list)
        left_side.addWidget(self.coords.label, 0, 0)
        self.coords.changed.connect(self.new_coords)
        left_side.addWidget(self.coords, 0, 1)
        # altitude
        label = QtWidgets.QLabel(translate('MapTabsAll', 'Altitude'))
        label.setAlignment(Qt.AlignRight)
        left_side.addWidget(label, 1, 0)
        self.altitude = DoubleSpinBox()
        self.altitude.setSuffix(' m')
        self.altitude.new_value.connect(self.new_altitude)
        left_side.addWidget(self.altitude, 1, 1)
        if hasattr(self.geocoder, 'get_altitude'):
            self.altitude_button = QtWidgets.QPushButton(
                translate('MapTabsAll', 'Get altitude from map'))
            self.altitude_button.clicked.connect(self.get_altitude)
            left_side.addWidget(self.altitude_button, 2, 1)
        else:
            self.altitude_button = None
        # search
        label = QtWidgets.QLabel(translate('MapTabsAll', 'Search'))
        label.setAlignment(Qt.AlignRight)
        left_side.addWidget(label, 3, 0)
        self.edit_box = ComboBox()
        self.edit_box.setEditable(True)
        self.edit_box.setInsertPolicy(QtWidgets.QComboBox.NoInsert)
        self.edit_box.lineEdit().setPlaceholderText(
            translate('MapTabsAll', ''))
        self.edit_box.lineEdit().returnPressed.connect(self.search)
        self.edit_box.activated.connect(self.goto_search_result)

def __init__(self, *arg, **kw):
        super(LineEditWithAuto, self).__init__(*arg, **kw)
        self._is_multiple = False
        layout = QtWidgets.QHBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(layout)
        # line edit box
        self.edit = LineEdit()
        layout.addWidget(self.edit)
        # auto complete button
        self.auto = QtWidgets.QPushButton(translate('DescriptiveTab', 'Auto'))
        layout.addWidget(self.auto)
        # adopt child widget methods and signals
        self.set_value = self.edit.set_value
        self.get_value = self.edit.get_value
        self.set_multiple = self.edit.set_multiple
        self.is_multiple = self.edit.is_multiple
        self.editingFinished = self.edit.editingFinished
        self.autoComplete = self.auto.clicked

album_form_left.addRow(self.tr('Description'), self.widgets['album_description'])
        # album location
        self.widgets['album_location'] = QtWidgets.QLineEdit()
        self.widgets['album_location'].setReadOnly(True)
        album_form_left.addRow(self.tr('Location'), self.widgets['album_location'])
        # right hand side
        album_form_right = QtWidgets.QVBoxLayout()
        album_group.layout().addLayout(album_form_right)
        # album thumbnail
        self.widgets['album_thumb'] = QtWidgets.QLabel()
        self.widgets['album_thumb'].setFixedSize(150, 150)
        self.widgets['album_thumb'].setAlignment(Qt.AlignHCenter | Qt.AlignTop)
        album_form_right.addWidget(self.widgets['album_thumb'])
        album_form_right.addStretch(1)
        # new album
        new_album_button = QtWidgets.QPushButton(self.tr('New album'))
        new_album_button.clicked.connect(self.new_album)
        album_form_right.addWidget(new_album_button)
        self.layout().addWidget(album_group, stretch=1)

label = QtWidgets.QLabel()
        label.setPixmap(pixmap)
        dialog.layout().addRow(label, QtWidgets.QLabel(translate(
            'FlickrTab', 'Which image file matches\nthis picture on Flickr?')))
        divider = QtWidgets.QFrame()
        divider.setFrameStyle(QtWidgets.QFrame.HLine)
        dialog.layout().addRow(divider)
        buttons = {}
        for candidate in candidates:
            label = QtWidgets.QLabel()
            pixmap = candidate.image.pixmap()
            if pixmap:
                label.setPixmap(pixmap)
            else:
                label.setText(candidate.image.text())
            button = QtWidgets.QPushButton(
                os.path.basename(candidate.path))
            button.setToolTip(candidate.path)
            button.setCheckable(True)
            button.clicked.connect(dialog.accept)
            dialog.layout().addRow(label, button)
            buttons[button] = candidate
        button = QtWidgets.QPushButton(translate('FlickrTab', 'No match'))
        button.setDefault(True)
        button.clicked.connect(dialog.reject)
        dialog.layout().addRow('', button)
        if dialog.exec_() == QtWidgets.QDialog.Accepted:
            for button, candidate in buttons.items():
                if button.isChecked():
                    return candidate
        return None

def __init__(self, *arg, **kw):
        super(GoogleUploadConfig, self).__init__(*arg, **kw)
        self.setLayout(QtWidgets.QGridLayout())
        self.layout().setContentsMargins(0, 0, 0, 0)
        # create new set
        new_set_button = QtWidgets.QPushButton(
            translate('GooglePhotosTab', 'New album'))
        new_set_button.clicked.connect(self.new_set)
        self.layout().addWidget(new_set_button, 2, 1)
        # list of sets widget
        sets_group = QtWidgets.QGroupBox(
            translate('GooglePhotosTab', 'Add to albums'))
        sets_group.setLayout(QtWidgets.QVBoxLayout())
        scrollarea = QtWidgets.QScrollArea()
        scrollarea.setFrameStyle(QtWidgets.QFrame.NoFrame)
        scrollarea.setStyleSheet("QScrollArea { background-color: transparent }")
        self.sets_widget = QtWidgets.QWidget()
        self.sets_widget.setLayout(QtWidgets.QVBoxLayout())
        self.sets_widget.layout().setSpacing(0)
        self.sets_widget.layout().setSizeConstraint(
            QtWidgets.QLayout.SetMinAndMaxSize)
        scrollarea.setWidget(self.sets_widget)

def __init__(self, image_list, parent=None):
        super(TabWidget, self).__init__(parent)
        self.app = QtWidgets.QApplication.instance()
        self.geocoder = self.app.open_cage
        self.image_list = image_list
        self.setLayout(QtWidgets.QHBoxLayout())
        ## left side
        left_side = QtWidgets.QGridLayout()
        # latitude & longitude
        self.coords = LatLongDisplay(self.image_list)
        left_side.addWidget(self.coords.label, 0, 0)
        self.coords.changed.connect(self.new_coords)
        left_side.addWidget(self.coords, 0, 1)
        # convert lat/lng to location info
        self.auto_location = QtWidgets.QPushButton(
            translate('AddressTab', 'Get address from lat, long'))
        self.auto_location.setEnabled(False)
        self.auto_location.clicked.connect(self.get_address)
        left_side.addWidget(self.auto_location, 1, 0, 1, 2)
        # terms and conditions
        terms = self.geocoder.search_terms(search=False)
        left_side.addWidget(terms[0], 3, 0, 1, 2)
        left_side.addWidget(terms[1], 4, 0, 1, 2)
        left_side.setColumnStretch(1, 1)
        left_side.setRowStretch(2, 1)
        self.layout().addLayout(left_side)
        ## right side
        # location info
        self.location_widgets = []
        self.location_info = QtWidgets.QTabWidget()
        tab_bar = QTabBar()

# file list
        self.file_list_widget = QtWidgets.QListWidget()
        self.file_list_widget.setSelectionMode(
            QtWidgets.QAbstractItemView.ExtendedSelection)
        self.file_list_widget.itemSelectionChanged.connect(self.selection_changed)
        self.layout().addWidget(self.file_list_widget, 1, 0)
        # selection buttons
        buttons = QtWidgets.QVBoxLayout()
        buttons.addStretch(1)
        self.selected_count = QtWidgets.QLabel()
        buttons.addWidget(self.selected_count)
        select_all = QtWidgets.QPushButton(
            translate('ImporterTab', 'Select\nall'))
        select_all.clicked.connect(self.select_all)
        buttons.addWidget(select_all)
        select_new = QtWidgets.QPushButton(
            translate('ImporterTab', 'Select\nnew'))
        select_new.clicked.connect(self.select_new)
        buttons.addWidget(select_new)
        # copy buttons
        self.move_button = StartStopButton(
            translate('ImporterTab', 'Move\nphotos'),
            translate('ImporterTab', 'Stop\nmove'))
        self.move_button.click_start.connect(self.move_selected)
        self.move_button.click_stop.connect(self.stop_copy)
        buttons.addWidget(self.move_button)
        self.copy_button = StartStopButton(
            translate('ImporterTab', 'Copy\nphotos'),
            translate('ImporterTab', 'Stop\ncopy'))
        self.copy_button.click_start.connect(self.copy_selected)
        self.copy_button.click_stop.connect(self.stop_copy)
        buttons.addWidget(self.copy_button)

self.path_example = QtWidgets.QLabel()
        self.nm.new_example.connect(self.path_example.setText)
        form.addRow('=>', self.path_example)
        self.layout().addLayout(form, 0, 0)
        # file list
        self.file_list_widget = QtWidgets.QListWidget()
        self.file_list_widget.setSelectionMode(
            QtWidgets.QAbstractItemView.ExtendedSelection)
        self.file_list_widget.itemSelectionChanged.connect(self.selection_changed)
        self.layout().addWidget(self.file_list_widget, 1, 0)
        # selection buttons
        buttons = QtWidgets.QVBoxLayout()
        buttons.addStretch(1)
        self.selected_count = QtWidgets.QLabel()
        buttons.addWidget(self.selected_count)
        select_all = QtWidgets.QPushButton(
            translate('ImporterTab', 'Select\nall'))
        select_all.clicked.connect(self.select_all)
        buttons.addWidget(select_all)
        select_new = QtWidgets.QPushButton(
            translate('ImporterTab', 'Select\nnew'))
        select_new.clicked.connect(self.select_new)
        buttons.addWidget(select_new)
        # copy buttons
        self.move_button = StartStopButton(
            translate('ImporterTab', 'Move\nphotos'),
            translate('ImporterTab', 'Stop\nmove'))
        self.move_button.click_start.connect(self.move_selected)
        self.move_button.click_stop.connect(self.stop_copy)
        buttons.addWidget(self.move_button)
        self.copy_button = StartStopButton(
            translate('ImporterTab', 'Copy\nphotos'),