示例#1
0
    def createEditingBar(self):
        """Create dock widget for editing tools."""
        #TODO: Add a tab widget for the different editing tools
        self.editing_bar = QDockWidget("Tools")
        self.editing_bar.setAllowedAreas(
            Qt.DockWidgetAreas.LeftDockWidgetArea
            | Qt.DockWidgetAreas.RightDockWidgetArea)
        self.editing_bar.setMinimumWidth(90)

        # Create editing tool buttons
        filters_label = QLabel("Filters")

        convert_to_grayscale = QToolButton()
        convert_to_grayscale.setIcon(
            QIcon(os.path.join(icon_path, "grayscale.png")))
        convert_to_grayscale.clicked.connect(self.image_label.convertToGray)

        convert_to_RGB = QToolButton()
        convert_to_RGB.setIcon(QIcon(os.path.join(icon_path, "rgb.png")))
        convert_to_RGB.clicked.connect(self.image_label.convertToRGB)

        convert_to_sepia = QToolButton()
        convert_to_sepia.setIcon(QIcon(os.path.join(icon_path, "sepia.png")))
        convert_to_sepia.clicked.connect(self.image_label.convertToSepia)

        change_hue = QToolButton()
        change_hue.setIcon(QIcon(os.path.join(icon_path, "")))
        change_hue.clicked.connect(self.image_label.changeHue)

        brightness_label = QLabel("Brightness")
        self.brightness_slider = QSlider(Qt.Orientations.Horizontal)
        self.brightness_slider.setRange(-255, 255)
        self.brightness_slider.setTickInterval(35)
        self.brightness_slider.setTickPosition(QSlider.TickPosition.TicksAbove)
        self.brightness_slider.valueChanged.connect(
            self.image_label.changeBrighteness)

        contrast_label = QLabel("Contrast")
        self.contrast_slider = QSlider(Qt.Orientations.Horizontal)
        self.contrast_slider.setRange(-255, 255)
        self.contrast_slider.setTickInterval(35)
        self.contrast_slider.setTickPosition(QSlider.TickPosition.TicksAbove)
        self.contrast_slider.valueChanged.connect(
            self.image_label.changeContrast)

        # Set layout for dock widget
        editing_grid = QGridLayout()
        #editing_grid.addWidget(filters_label, 0, 0, 0, 2, Qt.AlignTop)
        editing_grid.addWidget(convert_to_grayscale, 1, 0)
        editing_grid.addWidget(convert_to_RGB, 1, 1)
        editing_grid.addWidget(convert_to_sepia, 2, 0)
        editing_grid.addWidget(change_hue, 2, 1)
        editing_grid.addWidget(brightness_label, 3, 0)
        editing_grid.addWidget(self.brightness_slider, 4, 0, 1, 0)
        editing_grid.addWidget(contrast_label, 5, 0)
        editing_grid.addWidget(self.contrast_slider, 6, 0, 1, 0)
        editing_grid.setRowStretch(7, 10)

        container = QWidget()
        container.setLayout(editing_grid)

        self.editing_bar.setWidget(container)

        self.addDockWidget(Qt.DockWidgetAreas.LeftDockWidgetArea,
                           self.editing_bar)

        self.tools_menu_act = self.editing_bar.toggleViewAction()
示例#2
0
class DataGUI(QWidget):
    def __init__(self):
        super().__init__()

        self.experiment_file_name = None
        self.experiment_file_directory = None
        self.data_directory = None
        self.max_rois = 50
        self.roi_type = 'freehand'
        self.roi_radius = None
        self.existing_roi_set_paths = {}

        self.current_roi_index = 0
        self.current_z_slice = 0
        self.current_channel = 1  # index
        self.image_series_name = ''
        self.series_number = None
        self.roi_response = []
        self.roi_mask = []
        self.roi_path = []
        self.roi_image = None
        self.roi_path_list = []

        self.blank_image = np.zeros((1, 1))

        self.colors = [
            mcolors.to_rgb(x) for x in list(mcolors.TABLEAU_COLORS)[:20]
        ]

        self.initUI()

    def initUI(self):
        self.grid = QGridLayout(self)

        self.file_control_grid = QGridLayout()
        self.file_control_grid.setSpacing(3)
        self.grid.addLayout(self.file_control_grid, 0, 0)

        self.file_tree_grid = QGridLayout()
        self.file_tree_grid.setSpacing(3)
        self.grid.addLayout(self.file_tree_grid, 1, 0)

        self.group_control_grid = QGridLayout()
        self.group_control_grid.setSpacing(3)
        self.grid.addLayout(self.group_control_grid, 0, 1)

        self.attribute_grid = QGridLayout()
        self.attribute_grid.setSpacing(3)
        self.grid.addLayout(self.attribute_grid, 1, 1)

        self.roi_control_grid = QGridLayout()
        self.roi_control_grid.setSpacing(3)
        self.grid.addLayout(self.roi_control_grid, 0, 2)

        self.plot_grid = QGridLayout()
        self.plot_grid.setSpacing(3)
        self.grid.addLayout(self.plot_grid, 1, 2)

        # # # # File control browser: # # # # # # # # (0,0)
        loadButton = QPushButton("Load expt. file", self)
        loadButton.clicked.connect(self.selectDataFile)
        # Label with current expt file
        self.currentExperimentLabel = QLabel('')
        self.file_control_grid.addWidget(loadButton, 0, 0)
        self.file_control_grid.addWidget(self.currentExperimentLabel, 1, 0)

        directoryButton = QPushButton("Select data directory", self)
        directoryButton.clicked.connect(self.selectDataDirectory)
        self.file_control_grid.addWidget(directoryButton, 0, 1)
        self.data_directory_display = QLabel('')
        self.data_directory_display.setFont(QtGui.QFont('SansSerif', 8))
        self.file_control_grid.addWidget(self.data_directory_display, 1, 1)

        # Attach metadata to file
        attachDatabutton = QPushButton("Attach metadata to file", self)
        attachDatabutton.clicked.connect(self.attachData)
        self.file_control_grid.addWidget(attachDatabutton, 2, 0, 1, 2)

        # Select image data file
        selectImageDataFileButton = QPushButton("Select image data file", self)
        selectImageDataFileButton.clicked.connect(self.selectImageDataFile)
        self.file_control_grid.addWidget(selectImageDataFileButton, 3, 0, 1, 2)

        # # # # File tree: # # # # # # # #  (1,0)
        self.groupTree = QTreeWidget(self)
        self.groupTree.setHeaderHidden(True)
        self.groupTree.itemClicked.connect(self.onTreeItemClicked)
        self.file_tree_grid.addWidget(self.groupTree, 3, 0, 2, 7)

        # # # # Group control: # # # # # # # # (0, 1)
        deleteGroupButton = QPushButton("Delete selected group", self)
        deleteGroupButton.clicked.connect(self.deleteSelectedGroup)
        self.group_control_grid.addWidget(deleteGroupButton, 0, 0, 1, 2)

        # File name display
        self.currentImageFileNameLabel = QLabel('')
        self.group_control_grid.addWidget(self.currentImageFileNameLabel, 1, 0)

        # Channel drop down
        ch_label = QLabel('Channel:')
        self.ChannelComboBox = QComboBox(self)
        self.ChannelComboBox.addItem("1")
        self.ChannelComboBox.addItem("0")
        self.ChannelComboBox.activated.connect(self.selectChannel)
        self.group_control_grid.addWidget(ch_label, 2, 0)
        self.group_control_grid.addWidget(self.ChannelComboBox, 2, 1)

        # # # # Attribute table: # # # # # # # # (1, 1)
        self.tableAttributes = QTableWidget()
        self.tableAttributes.setStyleSheet("")
        self.tableAttributes.setColumnCount(2)
        self.tableAttributes.setObjectName("tableAttributes")
        self.tableAttributes.setRowCount(0)
        item = QTableWidgetItem()
        font = QtGui.QFont()
        font.setPointSize(10)
        item.setFont(font)
        item.setBackground(QtGui.QColor(121, 121, 121))
        brush = QtGui.QBrush(QtGui.QColor(91, 91, 91))
        brush.setStyle(QtCore.Qt.BrushStyle.SolidPattern)
        item.setForeground(brush)
        self.tableAttributes.setHorizontalHeaderItem(0, item)
        item = QTableWidgetItem()
        item.setBackground(QtGui.QColor(123, 123, 123))
        brush = QtGui.QBrush(QtGui.QColor(91, 91, 91))
        brush.setStyle(QtCore.Qt.BrushStyle.SolidPattern)
        item.setForeground(brush)
        self.tableAttributes.setHorizontalHeaderItem(1, item)
        self.tableAttributes.horizontalHeader().setCascadingSectionResizes(
            True)
        self.tableAttributes.horizontalHeader().setHighlightSections(False)
        self.tableAttributes.horizontalHeader().setSortIndicatorShown(True)
        self.tableAttributes.horizontalHeader().setStretchLastSection(True)
        self.tableAttributes.verticalHeader().setVisible(False)
        self.tableAttributes.verticalHeader().setHighlightSections(False)
        item = self.tableAttributes.horizontalHeaderItem(0)
        item.setText("Attribute")
        item = self.tableAttributes.horizontalHeaderItem(1)
        item.setText("Value")

        self.tableAttributes.itemChanged.connect(self.update_attrs_to_file)
        self.attribute_grid.addWidget(self.tableAttributes, 3, 0, 1, 8)

        # # # # Roi control # # # # # # # # (0, 2)
        # ROI type drop-down
        self.RoiTypeComboBox = QComboBox(self)
        self.RoiTypeComboBox.addItem("freehand")
        radii = [1, 2, 3, 4, 6, 8]
        for radius in radii:
            self.RoiTypeComboBox.addItem("circle:" + str(radius))
        self.RoiTypeComboBox.activated.connect(self.selectRoiType)
        self.roi_control_grid.addWidget(self.RoiTypeComboBox, 0, 0)

        # Clear all ROIs button
        self.clearROIsButton = QPushButton("Clear ROIs", self)
        self.clearROIsButton.clicked.connect(self.clearRois)
        self.roi_control_grid.addWidget(self.clearROIsButton, 0, 2)

        # Response display type dropdown
        self.RoiResponseTypeComboBox = QComboBox(self)

        self.RoiResponseTypeComboBox.addItem("RawTrace")
        self.RoiResponseTypeComboBox.addItem("TrialAverage")
        self.RoiResponseTypeComboBox.addItem("TrialResponses")
        self.RoiResponseTypeComboBox.addItem("TrialAverageDFF")
        self.roi_control_grid.addWidget(self.RoiResponseTypeComboBox, 2, 2)

        # ROIset file name line edit box
        self.defaultRoiSetName = "roi_set_name"
        self.le_roiSetName = QLineEdit(self.defaultRoiSetName)
        self.roi_control_grid.addWidget(self.le_roiSetName, 1, 1)

        # Save ROIs button
        self.saveROIsButton = QPushButton("Save ROIs", self)
        self.saveROIsButton.clicked.connect(self.saveRois)
        self.roi_control_grid.addWidget(self.saveROIsButton, 1, 0)

        # Load ROI set combobox
        self.loadROIsComboBox = QComboBox(self)
        self.loadROIsComboBox.addItem("(load existing ROI set)")
        self.loadROIsComboBox.activated.connect(self.selectedExistingRoiSet)
        self.roi_control_grid.addWidget(self.loadROIsComboBox, 1, 2)
        self.updateExistingRoiSetList()

        # Delete current roi button
        self.deleteROIButton = QPushButton("Delete ROI", self)
        self.deleteROIButton.clicked.connect(self.deleteRoi)
        self.roi_control_grid.addWidget(self.deleteROIButton, 2, 0)

        # Current roi slider
        self.roiSlider = QSlider(QtCore.Qt.Orientation.Horizontal, self)
        self.roiSlider.setMinimum(0)
        self.roiSlider.setMaximum(self.max_rois)
        self.roiSlider.valueChanged.connect(self.sliderUpdated)
        self.roi_control_grid.addWidget(self.roiSlider, 2, 1, 1, 1)

        ctx = plt.rc_context({
            'xtick.major.size': 1,
            'axes.spines.top': False,
            'axes.spines.right': False,
            'xtick.labelsize': 'xx-small',
            'ytick.labelsize': 'xx-small',
            'xtick.major.size': 1.0,
            'ytick.major.size': 1.0,
            'xtick.major.pad': 1.0,
            'ytick.major.pad': 1.0
        })
        with ctx:
            self.responseFig = plt.figure(frameon=False, layout='constrained')
            self.responsePlot = self.responseFig.add_subplot(111)
            self.responseCanvas = FigureCanvas(self.responseFig)
        self.responseCanvas.draw_idle()
        self.plot_grid.addWidget(self.responseCanvas, 0, 0)

        # # # # Image canvas # # # # # # # # (1, 2)
        self.roi_fig = plt.figure()
        self.roi_ax = self.roi_fig.add_subplot(111)
        self.roi_canvas = FigureCanvas(self.roi_fig)
        self.toolbar = NavigationToolbar(self.roi_canvas, self)
        self.roi_ax.set_aspect('equal')
        self.roi_ax.set_axis_off()
        self.plot_grid.addWidget(self.toolbar, 1, 0)
        self.plot_grid.addWidget(self.roi_canvas, 2, 0)
        self.plot_grid.setRowStretch(0, 1)
        self.plot_grid.setRowStretch(1, 3)
        self.plot_grid.setRowStretch(2, 3)

        # Current z slice slider
        self.zSlider = QSlider(QtCore.Qt.Orientation.Horizontal, self)
        self.zSlider.setMinimum(0)
        self.zSlider.setMaximum(50)
        self.zSlider.setValue(0)
        self.zSlider.valueChanged.connect(self.zSliderUpdated)
        self.plot_grid.addWidget(self.zSlider, 3, 0)

        self.roi_fig.tight_layout()

        self.setWindowTitle('Visanalysis')
        self.setGeometry(200, 200, 1200, 600)
        self.show()

    def _populateTree(self, widget, dict):
        widget.clear()
        self.fill_item(widget.invisibleRootItem(), dict)

    def fill_item(self, item, value):
        item.setExpanded(True)
        if type(value) is dict:
            for key, val in sorted(value.items()):
                child = QTreeWidgetItem()
                child.setText(0, key)
                item.addChild(child)
                self.fill_item(child, val)
        elif type(value) is list:
            for val in value:
                child = QTreeWidgetItem()
                item.addChild(child)
                if type(val) is dict:
                    child.setText(0, '[dict]')
                    self.fill_item(child, val)
                elif type(val) is list:
                    child.setText(0, '[list]')
                    self.fill_item(child, val)
                else:
                    child.setText(0, val)
                child.setExpanded(True)
        else:
            child = QTreeWidgetItem()
            child.setText(0, value)
            item.addChild(child)

    def onTreeItemClicked(self, item, column):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        group_path = h5io.getPathFromTreeItem(
            self.groupTree.selectedItems()[0])
        self.clearRois()
        self.series_number = None
        if 'series_' in group_path:
            self.series_number = int(
                group_path.split('series_')[-1].split('/')[0])
            if self.plugin.dataIsAttached(file_path, self.series_number):
                self.plugin.updateImagingDataObject(
                    self.experiment_file_directory, self.experiment_file_name,
                    self.series_number)
            # look for image_file_name or ask user to select it
            if self.data_directory is not None:
                image_file_name = h5io.readImageFileName(
                    file_path, self.series_number)
                if image_file_name is None or image_file_name == '':
                    image_file_path, _ = QFileDialog.getOpenFileName(
                        self, "Select image file")
                    print('User selected image file at {}'.format(
                        image_file_path))
                    image_file_name = os.path.split(image_file_path)[-1]
                    self.data_directory = os.path.split(
                        image_file_path)[:-1][0]
                    h5io.attachImageFileName(file_path, self.series_number,
                                             image_file_name)
                    print('Attached image_file_name {} to series {}'.format(
                        image_file_name, self.series_number))
                    print('Data directory is {}'.format(self.data_directory))

                self.image_file_name = image_file_name
                self.currentImageFileNameLabel.setText(self.image_file_name)

        else:  # clicked part of the tree upstream of any series
            self.series_number = None

        if item.parent() is not None:
            if item.parent().text(
                    column) == 'rois':  # selected existing roi group
                roi_set_name = item.text(column)
                # print('Selected roi set {} from series {}'.format(roi_set_name, self.series_number))
                self.le_roiSetName.setText(roi_set_name)
                roi_set_path = h5io.getPathFromTreeItem(
                    self.groupTree.selectedItems()[0])
                self.loadRois(roi_set_path)
                self.redrawRoiTraces()

        if group_path != '':
            attr_dict = h5io.getAttributesFromGroup(file_path, group_path)
            editable_values = True  # user can edit metadata
            self.populate_attrs(attr_dict=attr_dict,
                                editable_values=editable_values)

        # show roi image
        if self.series_number is not None:  # Clicked on node of the tree associated with a single series
            if self.data_directory is not None:  # user has selected a raw data directory
                if self.plugin.dataIsAttached(file_path, self.series_number):
                    self.plugin.updateImageSeries(
                        data_directory=self.data_directory,
                        image_file_name=self.image_file_name,
                        series_number=self.series_number,
                        channel=self.current_channel)
                    self.roi_image = self.plugin.mean_brain
                    self.zSlider.setValue(0)
                    self.zSlider.setMaximum(self.roi_image.shape[2] - 1)
                    self.redrawRoiTraces()
                else:
                    print('Attach metadata to file before drawing rois')

            else:
                print('Select a data directory before drawing rois')

        # # # TEST # # #
        memory_usage = psutil.Process(os.getpid()).memory_info().rss * 10**-9
        print('Current Memory Usage: {:.2f}GB'.format(memory_usage))
        sys.stdout.flush()
        # # # TEST # # #

    def updateExistingRoiSetList(self):
        if self.experiment_file_name is not None:
            file_path = os.path.join(self.experiment_file_directory,
                                     self.experiment_file_name + '.hdf5')
            self.existing_roi_set_paths = self.plugin.getRoiSetPaths(
                file_path)  # dictionary of name: full path
            self.loadROIsComboBox.clear()
            for r_path in self.existing_roi_set_paths:
                self.loadROIsComboBox.addItem(r_path)

            self.show()

    def selectedExistingRoiSet(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        roi_set_key = self.loadROIsComboBox.currentText()
        roi_set_path = self.existing_roi_set_paths[roi_set_key]

        _, _, self.roi_path, self.roi_mask = self.plugin.loadRoiSet(
            file_path, roi_set_path)

        if self.series_number is not None:
            self.roi_response = []
            for new_path in self.roi_path:
                new_roi_resp = self.plugin.getRoiDataFromPath(
                    roi_path=new_path)
                self.roi_response.append(new_roi_resp)

            # update slider to show most recently drawn roi response
            self.current_roi_index = len(self.roi_response) - 1
            self.roiSlider.setValue(self.current_roi_index)

            # Update figures
            self.redrawRoiTraces()

    def selectDataFile(self):
        filePath, _ = QFileDialog.getOpenFileName(
            self, "Open experiment (hdf5) file")
        self.experiment_file_name = os.path.split(filePath)[1].split('.')[0]
        self.experiment_file_directory = os.path.split(filePath)[0]

        if self.experiment_file_name != '':
            self.currentExperimentLabel.setText(self.experiment_file_name)
            self.initializeDataAnalysis()
            self.populateGroups()
            self.updateExistingRoiSetList()

    def selectDataDirectory(self):
        filePath = str(
            QFileDialog.getExistingDirectory(self, "Select data directory"))
        self.data_directory = filePath
        self.data_directory_display.setText('..' + self.data_directory[-24:])

    def initializeDataAnalysis(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        data_type = h5io.getDataType(file_path)
        # Load plugin based on Rig name in hdf5 file
        if data_type == 'Bruker':
            from visanalysis.plugin import bruker
            self.plugin = bruker.BrukerPlugin()
        elif data_type == 'AODscope':
            from visanalysis.plugin import aodscope
            self.plugin = aodscope.AodScopePlugin()
        else:
            self.plugin = h5io.BasePlugin()

        self.plugin.parent_gui = self

        # # # TEST # # #
        memory_usage = psutil.Process(os.getpid()).memory_info().rss * 10**-9
        print('Current memory usage: {:.2f}GB'.format(memory_usage))
        sys.stdout.flush()
        # # # TEST # # #

    def attachData(self):
        if self.data_directory is not None:
            file_path = os.path.join(self.experiment_file_directory,
                                     self.experiment_file_name + '.hdf5')
            self.plugin.attachData(self.experiment_file_name, file_path,
                                   self.data_directory)
            print('Data attached')
        else:
            print('Select a data directory before attaching new data')

    def selectImageDataFile(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')

        image_file_path, _ = QFileDialog.getOpenFileName(
            self, "Select image file")
        print('User selected image file at {}'.format(image_file_path))
        self.image_file_name = os.path.split(image_file_path)[-1]
        self.data_directory = os.path.split(image_file_path)[:-1][0]
        h5io.attachImageFileName(file_path, self.series_number,
                                 self.image_file_name)
        print('Attached image_file_name {} to series {}'.format(
            self.image_file_name, self.series_number))
        print('Data directory is {}'.format(self.data_directory))

        self.currentImageFileNameLabel.setText(self.image_file_name)

        # show roi image
        if self.series_number is not None:
            if self.data_directory is not None:  # user has selected a raw data directory
                self.plugin.updateImageSeries(
                    data_directory=self.data_directory,
                    image_file_name=self.image_file_name,
                    series_number=self.series_number,
                    channel=self.current_channel)
                self.roi_image = self.plugin.mean_brain
                self.zSlider.setValue(0)
                self.zSlider.setMaximum(self.roi_image.shape[2] - 1)
                self.redrawRoiTraces()
            else:
                print('Select a data directory before drawing rois')

    def deleteSelectedGroup(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        group_path = h5io.getPathFromTreeItem(
            self.groupTree.selectedItems()[0])
        group_name = group_path.split('/')[-1]

        buttonReply = QMessageBox.question(
            self, 'Delete series',
            "Are you sure you want to delete group {}?".format(group_name),
            QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
            QMessageBox.StandardButton.No)
        if buttonReply == QMessageBox.StandardButton.Yes:
            h5io.deleteGroup(file_path=file_path, group_path=group_path)
            print('Deleted group {}'.format(group_name))
            self.updateExistingRoiSetList()
            self.populateGroups()
        else:
            print('Delete aborted')

    def populateGroups(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        self.group_dset_dict = h5io.getHierarchy(file_path)
        self._populateTree(self.groupTree, self.group_dset_dict)

    def populate_attrs(self, attr_dict=None, editable_values=False):
        """Populate attribute for currently selected group."""
        self.tableAttributes.blockSignals(
            True)  # block udpate signals for auto-filled forms
        self.tableAttributes.setRowCount(0)
        self.tableAttributes.setColumnCount(2)
        self.tableAttributes.setSortingEnabled(False)

        if attr_dict:
            for num, key in enumerate(attr_dict):
                self.tableAttributes.insertRow(self.tableAttributes.rowCount())
                key_item = QTableWidgetItem(key)
                key_item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable
                                  | QtCore.Qt.ItemFlag.ItemIsEnabled)
                self.tableAttributes.setItem(num, 0, key_item)

                val_item = QTableWidgetItem(str(attr_dict[key]))
                if editable_values:
                    val_item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable
                                      | QtCore.Qt.ItemFlag.ItemIsEditable
                                      | QtCore.Qt.ItemFlag.ItemIsEnabled)
                else:
                    val_item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable
                                      | QtCore.Qt.ItemFlag.ItemIsEnabled)
                self.tableAttributes.setItem(num, 1, val_item)

        self.tableAttributes.blockSignals(False)

    def update_attrs_to_file(self, item):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        group_path = h5io.getPathFromTreeItem(
            self.groupTree.selectedItems()[0])

        attr_key = self.tableAttributes.item(item.row(), 0).text()
        attr_val = item.text()

        # update attr in file
        h5io.changeAttribute(file_path=file_path,
                             group_path=group_path,
                             attr_key=attr_key,
                             attr_val=attr_val)
        print('Changed attr {} to = {}'.format(attr_key, attr_val))

# %% # # # # # # # # ROI SELECTOR WIDGET # # # # # # # # # # # # # # # # # # #

    def refreshLassoWidget(self, keep_paths=False):
        self.roi_ax.clear()
        init_lasso = False
        if self.roi_image is not None:
            if len(self.roi_mask) > 0:
                newImage = plot_tools.overlayImage(
                    self.roi_image[:, :, self.current_z_slice],
                    self.roi_mask,
                    0.5,
                    self.colors,
                    z=self.current_z_slice)
            else:
                newImage = self.roi_image[:, :, self.current_z_slice]
            self.roi_ax.imshow(newImage, cmap=cm.gray)
            init_lasso = True
        else:
            self.roi_ax.imshow(self.blank_image)
        self.roi_ax.set_axis_off()

        self.roi_canvas.draw()

        if not keep_paths:
            self.roi_path_list = []

        if init_lasso:
            if self.roi_type == 'circle':
                self.lasso_1 = EllipseSelector(self.roi_ax,
                                               onselect=self.newEllipse,
                                               button=1)
            elif self.roi_type == 'freehand':
                self.lasso_1 = LassoSelector(self.roi_ax,
                                             onselect=self.newFreehand,
                                             button=1)
                self.lasso_2 = LassoSelector(self.roi_ax,
                                             onselect=self.appendFreehand,
                                             button=3)
            else:
                print(
                    'Warning ROI type not recognized. Choose circle or freehand'
                )

    def newFreehand(self, verts):
        new_roi_path = path.Path(verts)
        new_roi_path.z_level = self.zSlider.value()
        new_roi_path.channel = self.current_channel
        self.updateRoiSelection([new_roi_path])

    def appendFreehand(self, verts):
        print('Appending rois, hit Enter/Return to finish')
        new_roi_path = path.Path(verts)
        new_roi_path.z_level = self.zSlider.value()
        new_roi_path.channel = self.current_channel
        self.roi_path_list.append(new_roi_path)

    def keyPressEvent(self, event):
        if type(event) == QtGui.QKeyEvent:
            if np.any([
                    event.key() == QtCore.Qt.Key.Key_Return,
                    event.key() == QtCore.Qt.Key.Key_Enter
            ]):
                if len(self.roi_path_list) > 0:
                    event.accept()
                    self.updateRoiSelection(self.roi_path_list)
                else:
                    event.ignore()
            else:
                event.ignore()
        else:
            event.ignore()

    def newEllipse(self, pos1, pos2, definedRadius=None):
        x1 = np.round(pos1.xdata)
        x2 = np.round(pos2.xdata)
        y1 = np.round(pos1.ydata)
        y2 = np.round(pos2.ydata)

        radiusX = np.sqrt((x1 - x2)**2) / 2
        radiusY = np.sqrt((y1 - y2)**2) / 2
        if self.roi_radius is not None:
            radiusX = self.roi_radius

        center = (np.round((x1 + x2) / 2), np.round((y1 + y2) / 2))
        new_roi_path = path.Path.circle(center=center, radius=radiusX)
        new_roi_path.z_level = self.zSlider.value()
        new_roi_path.channel = self.current_channel
        self.updateRoiSelection([new_roi_path])

    def updateRoiSelection(self, new_roi_path):
        mask = self.plugin.getRoiMaskFromPath(new_roi_path)
        new_roi_resp = self.plugin.getRoiDataFromPath(roi_path=new_roi_path)
        if mask.sum() == 0:
            print('No pixels in the roi you just drew')
            return
        # update list of roi data
        self.roi_mask.append(mask)
        self.roi_path.append(new_roi_path)  # list of lists of paths
        self.roi_response.append(new_roi_resp)
        # update slider to show most recently drawn roi response
        self.current_roi_index = len(self.roi_response) - 1
        self.roiSlider.setValue(self.current_roi_index)

        # Update figures
        self.redrawRoiTraces()

    def sliderUpdated(self):
        self.current_roi_index = self.roiSlider.value()
        self.redrawRoiTraces()

    def zSliderUpdated(self):
        self.current_z_slice = self.zSlider.value()
        if self.roi_image is not None:
            self.refreshLassoWidget(keep_paths=True)

    def redrawRoiTraces(self):
        self.clearRoiArtists()
        if self.current_roi_index < len(self.roi_response):
            current_raw_trace = np.squeeze(
                self.roi_response[self.current_roi_index])
            fxn_name = self.RoiResponseTypeComboBox.currentText()
            display_trace = getattr(self.plugin,
                                    'getRoiResponse_{}'.format(fxn_name))(
                                        [current_raw_trace])
            self.responsePlot.plot(display_trace,
                                   color=self.colors[self.current_roi_index],
                                   linewidth=1,
                                   alpha=0.5)
            self.responsePlot.set_xlim([0, len(display_trace)])
            y_min = np.nanmin(display_trace)
            y_max = np.nanmax(display_trace)
            self.responsePlot.set_ylim([y_min, y_max])
        self.responseCanvas.draw()

        self.refreshLassoWidget(keep_paths=False)


# %% # # # # # # # # LOADING / SAVING / COMPUTING ROIS # # # # # # # # # # # # # # # # # # #

    def loadRois(self, roi_set_path):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        self.roi_response, self.roi_image, self.roi_path, self.roi_mask = self.plugin.loadRoiSet(
            file_path, roi_set_path)
        self.zSlider.setValue(0)
        self.zSlider.setMaximum(self.roi_image.shape[2] - 1)

    def saveRois(self):
        file_path = os.path.join(self.experiment_file_directory,
                                 self.experiment_file_name + '.hdf5')
        roi_set_name = self.le_roiSetName.text()
        if roi_set_name in h5io.getAvailableRoiSetNames(
                file_path, self.series_number):
            buttonReply = QMessageBox.question(
                self, 'Overwrite roi set',
                "Are you sure you want to overwrite roi set: {}?".format(
                    roi_set_name),
                QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
                QMessageBox.StandardButton.No)
            if buttonReply == QMessageBox.StandardButton.Yes:
                self.plugin.saveRoiSet(file_path,
                                       series_number=self.series_number,
                                       roi_set_name=roi_set_name,
                                       roi_mask=self.roi_mask,
                                       roi_response=self.roi_response,
                                       roi_image=self.roi_image,
                                       roi_path=self.roi_path)
                print('Saved roi set {} to series {}'.format(
                    roi_set_name, self.series_number))
                self.populateGroups()
                self.updateExistingRoiSetList()
            else:
                print('Overwrite aborted - pick a unique roi set name')
        else:
            self.plugin.saveRoiSet(file_path,
                                   series_number=self.series_number,
                                   roi_set_name=roi_set_name,
                                   roi_mask=self.roi_mask,
                                   roi_response=self.roi_response,
                                   roi_image=self.roi_image,
                                   roi_path=self.roi_path)
            print('Saved roi set {} to series {}'.format(
                roi_set_name, self.series_number))
            self.populateGroups()
            self.updateExistingRoiSetList()

    def deleteRoi(self):
        if self.current_roi_index < len(self.roi_response):
            self.roi_mask.pop(self.current_roi_index)
            self.roi_response.pop(self.current_roi_index)
            self.roi_path.pop(self.current_roi_index)
            self.roiSlider.setValue(self.current_roi_index - 1)
            self.redrawRoiTraces()

    def clearRois(self):
        self.roi_mask = []
        self.roi_response = []
        self.roi_path = []
        self.roi_image = None
        self.clearRoiArtists()
        self.redrawRoiTraces()
        self.roi_ax.clear()

    def clearRoiArtists(self):
        for artist in self.responsePlot.lines + self.responsePlot.collections:
            artist.remove()

    def selectRoiType(self):
        self.roi_type = self.RoiTypeComboBox.currentText().split(':')[0]
        if 'circle' in self.RoiTypeComboBox.currentText():
            self.roi_radius = int(
                self.RoiTypeComboBox.currentText().split(':')[1])
        else:
            self.roi_radius = None
        self.redrawRoiTraces()

    def selectChannel(self):
        self.current_channel = int(self.ChannelComboBox.currentText())

        # show roi image
        if self.series_number is not None:
            if self.data_directory is not None:  # user has selected a raw data directory
                self.plugin.updateImageSeries(
                    data_directory=self.data_directory,
                    image_file_name=self.image_file_name,
                    series_number=self.series_number,
                    channel=self.current_channel)
                self.roi_image = self.plugin.mean_brain
                self.zSlider.setValue(0)
                self.zSlider.setMaximum(self.roi_image.shape[2] - 1)
                self.redrawRoiTraces()
            else:
                print('Select a data directory before drawing rois')
示例#3
0
class MainWindow(QWidget):
    def reload(self):
        if len(self.file_list): return
        self.webEngineView.reload()

    def on_downloadRequestState(self,event):
        if not len(self.file_list):
            self.label.setText('Статус:...')
            self.reload()
            try:
                for b in self.buttons: b.setEnabled(True)
            except: pass
            return
        if event.value>1:
            if event.value==2:
                if len(self.file_list[-1])>5:
                    h0=self.file_list[-1][6]
                    h1=gethash(self.file_list[-1][-1])
                    if h0==h1:
                        try:
                            tm=mktime(datetime.strptime(self.file_list[-1][4],"%d.%m.%Y %H:%M").timetuple())
                            tm+=(int(self.file_list[-1][5])%60)
                            utime(self.file_list[-1][-1],(tm,tm))
                        except: pass
                    else:
                        print('Error. ("%s") - %i'%(self.file_list[-1][-1],event.value))
                        self.label.setText('Статус: ошибка скачивания файла ("'+self.file_list[-1][-1]+'")')
                self.file_list.pop()
                self.download_files()
            else:
                print('Error. ("%s") - %i'%(self.file_list[-1][-1],event.value))
                self.label.setText('Статус: ошибка скачивания файла ("%s", код ошибки: %i)!'%(self.file_list[-1][-1],event.value))
                self.reload()
                try:
                    for b in self.buttons: b.setEnabled(True)
                except: pass

    def check_canceled(self,event):
        if event: self.canceled_callback()

    def on_downloadRequested(self,event):
        self.webEngineView.page().runJavaScript(\
            """
            function check_canceled(){
                if(window.process_canceled) return 1;
                else return 0;
            };
            check_canceled();
            """,self.check_canceled)
        if event.state().value==0:
            event.stateChanged.connect(lambda event: self.on_downloadRequestState(event))
            event.accept()

    def download_files(self):
        if len(self.file_list):
            if not self.file_number: self.file_number=len(self.file_list)
            tmp=self.file_list[-1]
            if exists(tmp[-1]):
                try: remove(tmp[-1])
                except: pass
            self.webEngineView.page().profile().downloadRequested.connect(lambda event:\
                self.on_downloadRequested(event))
            self.label.setText('Статус: скачивание файла "%s" ( %i из %i )'%\
                               (tmp[2],self.file_number-len(self.file_list)+1,self.file_number))
            self.webEngineView.page().download(QUrl(tmp[3]),tmp[-1])
        else:
            self.webEngineView.page().profile().downloadRequested.disconnect()
            self.label.setText('Статус:...')
            self.reload()
            try:
                for b in self.buttons: b.setEnabled(True)
            except: pass

    def canceled_callback(self):
        self.label.setText('Статус: операция отменена!')
        self.file_list=[]
        self.file_number=0
        self.reload()
        try:
            for b in self.buttons: b.setEnabled(True)
        except: pass

    def getfilelist_error_callback(self):
        self.label.setText('Статус: ошибка при получении списка файлов для скачивания!')
        self.file_list=[]
        self.file_number=0
        self.reload()
        try:
            for b in self.buttons: b.setEnabled(True)
        except: pass

    def getfilelist_success_callback(self,links):
        for link in links:
            path=join(self.basepath,link[0],link[1])
            try: makedirs(path,exist_ok=True)
            except: return
            link.append(realpath(join(path,link[2])))
            self.file_list.append(link)
        if len(self.file_list):
            self.download_files()

    def progress_callback(self,counter):
        self.label.setText('Статус: получение списка файлов для скачивания (получено %d ссылок)...'%counter)

    def getfileslist(self):
        if len(self.file_list): return
        self.url=self.webEngineView.url().toString()
        if not('Files/prt0' in self.url): return
        self.file_list=[]
        self.file_number=0
        try:
            for b in self.buttons: b.setEnabled(False)
        except: pass
        self.label.setText('Статус: получение списка файлов для скачивания...')
        self.webEngineView.page().runJavaScript(\
            self.qwebchannel_js+self.busy+"""
            function get_sig_links_details_parse(file_links,details_links,partitions,partition,section,data){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                var parser=new DOMParser();
                var doc=parser.parseFromString(data,'text/html');
                var req=doc.querySelectorAll('a[href*=\"GetFile\"]');
                for(const e of req){
                    if(e.text.includes('.sig')){
                        file_links.push([pd_replace(partition),sec_replace(section),e.text,e.href]);
                        progress(file_links);
                    };
                };
                if(details_links.length) get_sig_links_details(file_links,details_links,partitions);
                else success(file_links);
            };
            function start_parser(){
                var file_links=[];
                var details_links=[];
                var url=window.location.href.toString();
                var path='';
                if(url.includes('ProjectDocuments')) path='ProjectDocuments';
                else if(url.includes('RIIDocuments')) path='RIIDocuments';
                    else if(url.includes('SmetaDocuments')) path='SmetaDocuments';
                        else if(url.includes('IrdDocuments')) path='IrdDocuments';
                var href=''.concat('https://lk.spbexp.ru/Grid/',path,'FilesRead/own',
                    window.location.href.toString().split('\/').pop());
                var v=document.querySelector('span[style=\"font-weight:600; color:darkblue\"]');\
                if(v==null) return;
                var section=v.textContent;
                var links=[[path,section,href]];
                new QWebChannel(qt.webChannelTransport,(channel)=>{
                    window.qtwebchannel=channel.objects.backend;
                });
                get_pd_links_details(links,file_links,details_links,[]);
            };
            start_parser();
            """,lambda x: None)

    def getallfileslist(self):
        if len(self.file_list): return
        self.url=self.webEngineView.url().toString()
        if not('lk.spbexp.ru/Zeg/Zegmain' in self.url or\
               ('lk.spbexp.ru/SF/' in self.url and '/prt0/' in self.url)): return
        self.file_list=[]
        self.file_number=0
        try:
            for b in self.buttons: b.setEnabled(False)
        except: pass
        self.label.setText('Статус: получение списка файлов для скачивания...')
        self.webEngineView.page().runJavaScript(\
            self.qwebchannel_js+self.busy+"""
            function get_sig_links_details_parse(file_links,details_links,partitions,partition,section,data){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                var parser=new DOMParser();
                var doc=parser.parseFromString(data,'text/html');
                var req=doc.querySelectorAll('a[href*=\"GetFile\"]');
                for(const e of req){
                    if(e.text.includes('.sig')){
                        file_links.push([pd_replace(partition),sec_replace(section),e.text,e.href]);
                        progress(file_links);
                    };
                };
                if(details_links.length) get_sig_links_details(file_links,details_links,partitions);
                else get_file_links(file_links,details_links,partitions);
            };
            function get_pd_links_parse(path,file_links,details_links,partitions,data){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                var links=[];
                for(const d of data.Data){
                    if(d['NumberOfFiles']){
                        var href=''.concat('https://lk.spbexp.ru/Grid/',path,'FilesRead/own',d['IDRow']);
                        if(path.includes('IrdDocuments')) links.push([path,d['Content'],href]);
                        else links.push([path,d['Nazvanie'],href]);
                    };
                };
                if(links.length) get_pd_links_details(links,file_links,details_links,partitions);
            };
            async function get_pd_links(path,file_links,details_links,partitions){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                var req=document.querySelector('a[href*="/Zeg/Zegmain1"]');
                if(req){
                    var href=''.concat('https://lk.spbexp.ru/Grid/',path,'Read/own',req.pathname.split('\/').pop());
                    return await fetch(href)
                                .then(async (response) => {
                                const j=await response.json();
                                get_pd_links_parse(path,file_links,details_links,partitions,j);
                                }).catch((error) => { errlog(error); });
                };
            };
            function get_file_links(file_links,details_links,partitions){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                if(partitions.length) get_pd_links(partitions.pop(),file_links,details_links,partitions);
                else success(file_links);
            };
            function start_parser(){
                var file_links=[];
                var details_links=[];
                var partitions=['ProjectDocuments','RIIDocuments','SmetaDocuments','IrdDocuments'];
                new QWebChannel(qt.webChannelTransport,(channel)=>{
                    window.qtwebchannel=channel.objects.backend;
                });
                get_file_links(file_links,details_links,partitions);
            };
            start_parser();
            """,lambda x: None)

    def __init__(self):
        super().__init__()
        self.setWindowTitle('ExpGet')
        self.busy="""
            window.process_canceled=false;
            function errlog(error){
                window.qtwebchannel.backrun_error(error);
            };
            function success(file_links){
                window.qtwebchannel.backrun_success(file_links);
            };
            function progress(file_links){
                window.qtwebchannel.backrun_progress(file_links.length);
            };
            async function cancel(){
                window.qtwebchannel.backrun_cancel();
            };
            function pd_replace(partition){
                switch(partition){
                    case 'ProjectDocuments': return 'ПД';
                    case 'RIIDocuments': return 'РИИ';
                    case 'SmetaDocuments': return 'СД';
                    case 'IrdDocuments': return 'ИРД';
                };
            };
            function sec_replace(section){
                return section.trim().replaceAll('"','_').slice(0,64).trim();
            };
            async function get_sig_links_details(file_links,details_links,partitions){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                if(details_links.length){
                    var d=details_links.pop();
                    return await fetch(d[2])
                                .then(async (response) => {
                                    const j=await response.text();
                                    get_sig_links_details_parse(file_links,details_links,partitions,d[0],d[1],j);
                                }).catch((error) => { errlog(error); });
                };
            };
            function get_pd_links_details_parse(links,file_links,details_links,partitions,partition,section,data){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                for(const d of data.Data){
                    file_links.push([pd_replace(partition),sec_replace(section),d['Nazvanie'],
                        ''.concat('https://lk.spbexp.ru/File/GetFile/',d['IDRow']),d['sDateTo'],d['Number'],d['sMD5']]);
                    progress(file_links);
                    details_links.push([partition,section,''.concat('https://lk.spbexp.ru/SF/FileCspViewer/',d['IDRow'])]);
                };
                if(links.length) get_pd_links_details(links,file_links,details_links,partitions);
                else get_sig_links_details(file_links,details_links,partitions);
            };
            async function get_pd_links_details(links,file_links,details_links,partitions){
                if(window.process_canceled){
                    cancel();
                    return;
                };
                if(links.length){
                    var d=links.pop();
                    return await fetch(d[2])
                                .then(async (response) => {
                                    const j=await response.json();
                                    get_pd_links_details_parse(links,file_links,details_links,partitions,d[0],d[1],j);
                                }).catch((error) => { errlog(error); });
                };
            };
            function button_click(){
                window.process_canceled=true;
            };
            class ProgressRing extends HTMLElement{
                constructor(){
                    super();
                    const stroke=this.getAttribute('stroke');
                    const radius=this.getAttribute('radius');
                    const normalizedRadius=radius-stroke*2;
                    this._circumference=normalizedRadius*2*Math.PI;
                    this._root=this.attachShadow({mode:'open'});
                    this._root.innerHTML=`
                        <svg height="${radius*2}" width="${radius*2}">
                            <circle
                                class="ring"
                                stroke="#3c3b3a"
                                stroke-width="${stroke*2}"
                                stroke-opacity="0.5"
                                fill="transparent"
                                r="${normalizedRadius}"
                                cx="${radius}"
                                cy="${radius}"
                                shape-rendering="geometricPrecision"
                            />
                            <circle
                                class="ring"
                                stroke="#c8c5c3"
                                stroke-dasharray="${this._circumference} ${this._circumference}"
                                style="stroke-dashoffset:${this._circumference}"
                                stroke-width="${stroke}"
                                fill="transparent"
                                r="${normalizedRadius}"
                                cx="${radius}"
                                cy="${radius}"
                                shape-rendering="geometricPrecision"
                            />
                            <circle
                                class="button"
                                stroke="#191919"
                                stroke-width="1"
                                fill="#f44336"
                                r="${normalizedRadius-stroke}"
                                cx="${radius}"
                                cy="${radius}"
                                shape-rendering="geometricPrecision"
                                onclick="button_click()"
                            />
                            <text class="txt" x="50%" y="52%" text-rendering="geometricPrecision">STOP</text>
                            <circle
                                class="ring"
                                stroke="#000000"
                                stroke-width="1"
                                stroke-opacity="0.5"
                                fill="transparent"
                                r="${normalizedRadius+8}"
                                cx="${radius}"
                                cy="${radius}"
                                shape-rendering="geometricPrecision"
                            />
                        </svg>
                        <style>
                            .ring {
                                transition: stroke-dashoffset 0.35s;
                                transform: rotate(-90deg);
                                transform-origin: 50% 50%;
                                pointer-events: none;
                            }
                            .button:hover {
                                fill: #ce000f;
                                opacity: 1;
                            }
                            .txt {
                                font: bold 40px sans-serif;
                                fill: #323232;
                                stroke: #4c4c4c;
                                stroke-width: 1px;
                                text-anchor: middle;
                                dominant-baseline: middle;
                                pointer-events: none;
                            }
                        </style>
                    `;
                }
                setProgress(percent){
                    const offset=this._circumference-(percent/100*this._circumference);
                    const circle=this._root.querySelectorAll('circle')[1];
                    circle.style.strokeDashoffset=offset;
                }
                setTransition(value){
                    const circle=this._root.querySelectorAll('circle')[1];
                    circle.style.transition='stroke-dashoffset '+value+'s';
                }
                static get observedAttributes(){ return ['progress','transition']; }
                attributeChangedCallback(name,oldValue,newValue){
                    if(name==='progress') this.setProgress(newValue);
                    if(name==='transition') this.setTransition(newValue);
                }
            }
            function overlay() {
                [].forEach.call(document.querySelectorAll('nav'), function (el) {
                    el.style.visibility = 'hidden';
                });
                [].forEach.call(document.querySelectorAll('*[class*=popover]'), function (el) {
                    el.style.visibility = 'hidden';
                });
                var overlay=document.createElement("div");
                overlay.style.opacity=0.9;
                overlay.style.width='100%';
                overlay.style.height='100%';
                overlay.style.top='0px';
                overlay.style.left='0px';
                overlay.style.backgroundColor='#666666';
                overlay.style.zIndex='1000';
                overlay.style.position = 'absolute';
                document.getElementsByTagName('body')[0].appendChild(overlay);
                window.customElements.define('progress-ring',ProgressRing);
                const circle=document.createElement("div");
                circle.innerHTML=`<progress-ring stroke="8" radius="88" progress="0"></progress-ring>`
                circle.style.top='50%';
                circle.style.left='50%';
                circle.style.marginTop='-88px'
                circle.style.marginLeft='-88px'
                circle.style.zIndex='2000';
                circle.style.position='absolute';
                window.cprogress=0;
                document.body.appendChild(circle);
                document.body.style.overflow='hidden';
            };
            overlay();
            const interval=setInterval(()=>{
                const el=document.querySelector('progress-ring');
                if(window.cprogress==200){
                    el.setAttribute('transition','0');
                    window.cprogress=0;
                    el.setAttribute('progress',window.cprogress);
                }
                else{
                    if(window.cprogress==0) el.setAttribute('transition','0.35');
                    window.cprogress+=2;
                    el.setAttribute('progress',window.cprogress);
                };
            },100);
        """

        self.webEngineView=QWebEngineView()
        ws=self.webEngineView.page().profile().defaultProfile()
        ws.setHttpCacheMaximumSize(0)
        ws=self.webEngineView.settings()
        ws.setAttribute(ws.WebAttribute.AutoLoadImages,True)
        ws.setAttribute(ws.WebAttribute.PluginsEnabled,False)

        qwebchannel_js=QFile(':/qtwebchannel/qwebchannel.js')
        if not qwebchannel_js.open(QIODeviceBase.OpenModeFlag.ReadOnly):
            raise SystemExit(
                'Failed to load qwebchannel.js with error: %s' %
                qwebchannel_js.errorString())
        self.qwebchannel_js=bytes(qwebchannel_js.readAll()).decode('utf-8')
        self.channel=QWebChannel()
        self.handler=CallHandler()
        self.handler.set_parent(self)
        self.channel.registerObject('backend',self.handler)
        self.webEngineView.page().setWebChannel(self.channel)

        self.grid=QGridLayout()
        self.grid.setContentsMargins(0,0,0,0)
        self.grid.setVerticalSpacing(0)
        self.grid.setHorizontalSpacing(0)
        self.hbox=QHBoxLayout()
        self.hbox.setSpacing(0)
        self.reload_button=QPushButton('Обновить страницу')
        self.get_data_button=QPushButton('Получить данные')
        self.get_all_data_button=QPushButton('Скачать данные проекта')
        self.buttons=[self.reload_button,self.get_data_button,self.get_all_data_button]
        self.hbox.addWidget(self.reload_button,1)
        self.hbox.addWidget(self.get_data_button,1)
        self.hbox.addWidget(self.get_all_data_button,1)
        self.grid.addLayout(self.hbox,0,0)
        self.grid.addWidget(self.webEngineView,1,0)
        self.label=QLabel('Статус:...')
        self.label.setStyleSheet("QLabel {background-color:gray;color:black;}")
        self.grid.addWidget(self.label,2,0)
        self.grid.setRowStretch(0,0)
        self.grid.setRowStretch(1,1)
        self.grid.setRowStretch(2,0)
        self.setLayout(self.grid)

        self.webEngineView.load(QUrl('https://lk.spbexp.ru'))
        self.webEngineView.loadFinished.connect(self.login)

        self.file_list=[]
        self.file_number=0
        self.lock=False
        self.basepath=realpath('out')
        try: makedirs(self.basepath,exist_ok=True)
        except: pass

        self.reload_button.clicked.connect(self.reload)
        self.get_data_button.clicked.connect(self.getfileslist)
        self.get_all_data_button.clicked.connect(self.getallfileslist)

    def goto_projects(self):
        self.webEngineView.loadFinished.disconnect()
        self.webEngineView.load(QUrl('https://lk.spbexp.ru/SF/Zayava/'))

    def login_callback(self,result):
        if len(result):
            self.webEngineView.loadFinished.connect(self.goto_projects)

    def login(self):
        l=p=''
        try:
            f=open('login','r')
            d=f.readlines()
            f.close()
            l=d[0].strip()
            p=d[1].strip()
        except:
            self.webEngineView.loadFinished.disconnect()
            return
        self.webEngineView.page().runJavaScript("""
            function find_login_form(){
                var v=document.querySelector('input[id=Login]');
                if(v!=null){
                    v.value=`%s`;
                    v=document.querySelector('input[id=Password]');
                    if(v!=null){
                        v.value=`%s`;
                        v=document.querySelector('button[type=submit]');
                        if(v!=null){
                            v.click();
                            return 'ok';
                        };
                    };
                };
                return '';
            };
            find_login_form();"""%(l,p),self.login_callback)