diff options
Diffstat (limited to 'examples/xml/dombookmarks/dombookmarks.py')
| -rw-r--r-- | examples/xml/dombookmarks/dombookmarks.py | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/examples/xml/dombookmarks/dombookmarks.py b/examples/xml/dombookmarks/dombookmarks.py index 91aaf78d4..4590d0a72 100644 --- a/examples/xml/dombookmarks/dombookmarks.py +++ b/examples/xml/dombookmarks/dombookmarks.py @@ -49,11 +49,11 @@ class MainWindow(QtWidgets.QMainWindow): def __init__(self, parent=None): super(MainWindow, self).__init__(parent) - self.xbelTree = XbelTree() - self.setCentralWidget(self.xbelTree) + self._xbel_tree = XbelTree() + self.setCentralWidget(self._xbel_tree) - self.createActions() - self.createMenus() + self.create_actions() + self.create_menus() self.statusBar().showMessage("Ready") @@ -61,39 +61,39 @@ class MainWindow(QtWidgets.QMainWindow): self.resize(480, 320) def open(self): - fileName = QtWidgets.QFileDialog.getOpenFileName(self, + file_name = QtWidgets.QFileDialog.getOpenFileName(self, "Open Bookmark File", QtCore.QDir.currentPath(), "XBEL Files (*.xbel *.xml)")[0] - if not fileName: + if not file_name: return - inFile = QtCore.QFile(fileName) - if not inFile.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text): - reason = inFile.errorString() + in_file = QtCore.QFile(file_name) + if not in_file.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text): + reason = in_file.errorString() QtWidgets.QMessageBox.warning(self, "DOM Bookmarks", - f"Cannot read file {fileName}:\n{reason}.") + f"Cannot read file {file_name}:\n{reason}.") return - if self.xbelTree.read(inFile): + if self._xbel_tree.read(in_file): self.statusBar().showMessage("File loaded", 2000) - def saveAs(self): - fileName = QtWidgets.QFileDialog.getSaveFileName(self, + def save_as(self): + file_name = QtWidgets.QFileDialog.getSaveFileName(self, "Save Bookmark File", QtCore.QDir.currentPath(), "XBEL Files (*.xbel *.xml)")[0] - if not fileName: + if not file_name: return - outFile = QtCore.QFile(fileName) - if not outFile.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text): - reason = outFile.errorString() + out_file = QtCore.QFile(file_name) + if not out_file.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text): + reason = out_file.errorString() QtWidgets.QMessageBox.warning(self, "DOM Bookmarks", "Cannot write file {fileName}:\n{reason}.") return - if self.xbelTree.write(outFile): + if self._xbel_tree.write(out_file): self.statusBar().showMessage("File saved", 2000) def about(self): @@ -101,32 +101,32 @@ class MainWindow(QtWidgets.QMainWindow): "The <b>DOM Bookmarks</b> example demonstrates how to use Qt's " "DOM classes to read and write XML documents.") - def createActions(self): - self.openAct = QtGui.QAction("&Open...", self, shortcut="Ctrl+O", + def create_actions(self): + self._open_act = QtGui.QAction("&Open...", self, shortcut="Ctrl+O", triggered=self.open) - self.saveAsAct = QtGui.QAction("&Save As...", self, shortcut="Ctrl+S", - triggered=self.saveAs) + self._save_as_act = QtGui.QAction("&Save As...", self, shortcut="Ctrl+S", + triggered=self.save_as) - self.exitAct = QtGui.QAction("E&xit", self, shortcut="Ctrl+Q", + self._exit_act = QtGui.QAction("E&xit", self, shortcut="Ctrl+Q", triggered=self.close) - self.aboutAct = QtGui.QAction("&About", self, triggered=self.about) + self._about_act = QtGui.QAction("&About", self, triggered=self.about) - self.aboutQtAct = QtGui.QAction("About &Qt", self, + self._about_qt_act = QtGui.QAction("About &Qt", self, triggered=qApp.aboutQt) - def createMenus(self): - self.fileMenu = self.menuBar().addMenu("&File") - self.fileMenu.addAction(self.openAct) - self.fileMenu.addAction(self.saveAsAct) - self.fileMenu.addAction(self.exitAct) + def create_menus(self): + self._file_menu = self.menuBar().addMenu("&File") + self._file_menu.addAction(self._open_act) + self._file_menu.addAction(self._save_as_act) + self._file_menu.addAction(self._exit_act) self.menuBar().addSeparator() - self.helpMenu = self.menuBar().addMenu("&Help") - self.helpMenu.addAction(self.aboutAct) - self.helpMenu.addAction(self.aboutQtAct) + self._help_menu = self.menuBar().addMenu("&Help") + self._help_menu.addAction(self._about_act) + self._help_menu.addAction(self._about_qt_act) class XbelTree(QtWidgets.QTreeWidget): @@ -136,27 +136,27 @@ class XbelTree(QtWidgets.QTreeWidget): self.header().setSectionResizeMode(QtWidgets.QHeaderView.Stretch) self.setHeaderLabels(("Title", "Location")) - self.domDocument = QtXml.QDomDocument() + self._dom_document = QtXml.QDomDocument() - self.domElementForItem = {} + self._dom_element_for_item = {} - self.folderIcon = QtGui.QIcon() - self.bookmarkIcon = QtGui.QIcon() + self._folder_icon = QtGui.QIcon() + self._bookmark_icon = QtGui.QIcon() - self.folderIcon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_DirClosedIcon), + self._folder_icon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_DirClosedIcon), QtGui.QIcon.Normal, QtGui.QIcon.Off) - self.folderIcon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_DirOpenIcon), + self._folder_icon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_DirOpenIcon), QtGui.QIcon.Normal, QtGui.QIcon.On) - self.bookmarkIcon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_FileIcon)) + self._bookmark_icon.addPixmap(self.style().standardPixmap(QtWidgets.QStyle.SP_FileIcon)) def read(self, device): - ok, errorStr, errorLine, errorColumn = self.domDocument.setContent(device, True) + ok, errorStr, errorLine, errorColumn = self._dom_document.setContent(device, True) if not ok: QtWidgets.QMessageBox.information(self.window(), "DOM Bookmarks", f"Parse error at line {errorLine}, column {errorColumn}:\n{errorStr}") return False - root = self.domDocument.documentElement() + root = self._dom_document.documentElement() if root.tagName() != 'xbel': QtWidgets.QMessageBox.information(self.window(), "DOM Bookmarks", "The file is not an XBEL file.") @@ -170,50 +170,50 @@ class XbelTree(QtWidgets.QTreeWidget): # It might not be connected. try: - self.itemChanged.disconnect(self.updateDomElement) + self.itemChanged.disconnect(self.update_dom_element) except: pass child = root.firstChildElement('folder') while not child.isNull(): - self.parseFolderElement(child) + self.parse_folder_element(child) child = child.nextSiblingElement('folder') - self.itemChanged.connect(self.updateDomElement) + self.itemChanged.connect(self.update_dom_element) return True def write(self, device): - indentSize = 4 + INDENT_SIZE = 4 out = QtCore.QTextStream(device) - self.domDocument.save(out, indentSize) + self._dom_document.save(out, INDENT_SIZE) return True - def updateDomElement(self, item, column): - element = self.domElementForItem.get(id(item)) + def update_dom_element(self, item, column): + element = self._dom_element_for_item.get(id(item)) if not element.isNull(): if column == 0: - oldTitleElement = element.firstChildElement('title') - newTitleElement = self.domDocument.createElement('title') + old_title_element = element.firstChildElement('title') + new_title_element = self._dom_document.createElement('title') - newTitleText = self.domDocument.createTextNode(item.text(0)) - newTitleElement.appendChild(newTitleText) + new_title_text = self._dom_document.createTextNode(item.text(0)) + new_title_element.appendChild(new_title_text) - element.replaceChild(newTitleElement, oldTitleElement) + element.replaceChild(new_title_element, old_title_element) else: if element.tagName() == 'bookmark': element.setAttribute('href', item.text(1)) - def parseFolderElement(self, element, parentItem=None): - item = self.createItem(element, parentItem) + def parse_folder_element(self, element, parentItem=None): + item = self.create_item(element, parentItem) title = element.firstChildElement('title').text() if not title: title = "Folder" item.setFlags(item.flags() | QtCore.Qt.ItemIsEditable) - item.setIcon(0, self.folderIcon) + item.setIcon(0, self._folder_icon) item.setText(0, title) folded = (element.attribute('folded') != 'no') @@ -222,26 +222,26 @@ class XbelTree(QtWidgets.QTreeWidget): child = element.firstChildElement() while not child.isNull(): if child.tagName() == 'folder': - self.parseFolderElement(child, item) + self.parse_folder_element(child, item) elif child.tagName() == 'bookmark': - childItem = self.createItem(child, item) + child_item = self.create_item(child, item) title = child.firstChildElement('title').text() if not title: title = "Folder" - childItem.setFlags(item.flags() | QtCore.Qt.ItemIsEditable) - childItem.setIcon(0, self.bookmarkIcon) - childItem.setText(0, title) - childItem.setText(1, child.attribute('href')) + child_item.setFlags(item.flags() | QtCore.Qt.ItemIsEditable) + child_item.setIcon(0, self._bookmark_icon) + child_item.setText(0, title) + child_item.setText(1, child.attribute('href')) elif child.tagName() == 'separator': - childItem = self.createItem(child, item) - childItem.setFlags(item.flags() & ~(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEditable)) - childItem.setText(0, 30 * "\xb7") + child_item = self.create_item(child, item) + child_item.setFlags(item.flags() & ~(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEditable)) + child_item.setText(0, 30 * "\xb7") child = child.nextSiblingElement() - def createItem(self, element, parentItem=None): + def create_item(self, element, parentItem=None): item = QtWidgets.QTreeWidgetItem() if parentItem is not None: @@ -249,7 +249,7 @@ class XbelTree(QtWidgets.QTreeWidget): else: item = QtWidgets.QTreeWidgetItem(self) - self.domElementForItem[id(item)] = element + self._dom_element_for_item[id(item)] = element return item @@ -258,7 +258,7 @@ if __name__ == '__main__': import sys app = QtWidgets.QApplication(sys.argv) - mainWin = MainWindow() - mainWin.show() - mainWin.open() + main_win = MainWindow() + main_win.show() + main_win.open() sys.exit(app.exec_()) |