我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用PyQt5.QtCore.QTextStream()。
def __init__(self, subtitle, encoding="UTF-8"): super().__init__() subtitlefile = QFile(subtitle) if not subtitlefile.open(QIODevice.ReadOnly | QIODevice.Text): return text = QTextStream(subtitlefile) text.setCodec(encoding) subtitletext = text.readAll() # ('s?ra', 'saat', 'dakika', 'saniye', 'milisaniye', 'saat', 'dakika', 'saniye', 'milisaniye', 'birincisat?r', 'ikincisat?r') compile = re.compile(r"(\d.*)\n(\d{2}):(\d{2}):(\d{2}),(\d{3}) --> (\d{2}):(\d{2}):(\d{2}),(\d{3})\n(\W.*|\w.*)\n(\w*|\W*|\w.*|\W.*)\n") self.sublist = compile.findall(subtitletext)
def save(self): filename, _ = QFileDialog.getSaveFileName(self, "Choose a file name", '.', "HTML (*.html *.htm)") if not filename: return file = QFile(filename) if not file.open(QFile.WriteOnly | QFile.Text): QMessageBox.warning(self, "Dock Widgets", "Cannot write file %s:\n%s." % (filename, file.errorString())) return out = QTextStream(file) QApplication.setOverrideCursor(Qt.WaitCursor) out << self.textEdit.toHtml() QApplication.restoreOverrideCursor() self.statusBar().showMessage("Saved '%s'" % filename, 2000)
def __init__(self, parent=None): super(DragWidget, self).__init__(parent) dictionaryFile = QFile(':/dictionary/words.txt') dictionaryFile.open(QIODevice.ReadOnly) x = 5 y = 5 for word in QTextStream(dictionaryFile).readAll().split(): wordLabel = DragLabel(word, self) wordLabel.move(x, y) wordLabel.show() x += wordLabel.width() + 2 if x >= 195: x = 5 y += wordLabel.height() + 2 newPalette = self.palette() newPalette.setColor(QPalette.Window, Qt.white) self.setPalette(newPalette) self.setAcceptDrops(True) self.setMinimumSize(400, max(200, y)) self.setWindowTitle("Draggable Text")
def load_file(self, filename): file = QFile("{}/{}".format(os.getcwd(), filename)) if not file.open(QtCore.QIODevice.ReadOnly): print("couldn't open file") stream = QtCore.QTextStream(file) stream.setCodec("UTF-8") content = stream.readAll() # built structure tree self.ast_generator.clear_ast() self.ast_generator.parse(mistune.preprocessing(content), filename=filename) entry = self.ast_generator.ast entry["time"] = QFileInfo(file).lastModified().toMSecsSinceEpoch() # add html code to tree nodes for i, lvl2 in enumerate(list(entry["content"])): content_markdown = "##{}\n{}".format(lvl2["title"], lvl2["content"]) content_html = self.markdowner_simple(content_markdown) entry["content"][i]["html"] = self.preview_css_str + content_html return entry
def displaylog_totextedit(self, commLogicObj): """ This method displaying Design messages(log messages)to textedit widget. """ fname = str(commLogicObj.call_saveMessages()) afile = QFile(fname) if not afile.open(QIODevice.ReadOnly): # ReadOnly QMessageBox.information(None, 'info', afile.errorString()) stream = QTextStream(afile) self.ui.textEdit.clear() self.ui.textEdit.setHtml(stream.readAll()) vscrollBar = self.ui.textEdit.verticalScrollBar() vscrollBar.setValue(vscrollBar.maximum()) afile.close()
def displaylog_totextedit(self, commLogicObj): ''' This method displaying Design messages(log messages)to textedit widget. ''' fname = str(commLogicObj.call_saveMessages()) afile = QFile(fname) if not afile.open(QIODevice.ReadOnly): # ReadOnly QMessageBox.information(None, 'info', afile.errorString()) stream = QTextStream(afile) self.ui.textEdit.clear() self.ui.textEdit.setHtml(stream.readAll()) vscrollBar = self.ui.textEdit.verticalScrollBar() vscrollBar.setValue(vscrollBar.maximum()) afile.close() # QtViewer
def displaylog_totextedit(self,commLogicObj): ''' This method displaying Design messages(log messages)to textedit widget. ''' fname = str(commLogicObj.call_saveMessages()) afile = QFile(fname) if not afile.open(QIODevice.ReadOnly): # ReadOnly QMessageBox.information(None, 'info', afile.errorString()) stream = QTextStream(afile) self.ui.textEdit.clear() self.ui.textEdit.setHtml(stream.readAll()) vscroll_bar = self.ui.textEdit.verticalScrollBar() vscroll_bar.setValue(vscroll_bar.maximum()) afile.close() # QtViewer
def load_stylesheet(pyside=True): """ Loads the stylesheet. Takes care of importing the rc module. :param pyside: True to load the pyside rc file, False to load the PyQt rc file :return the stylesheet string """ # Smart import of the rc file if pyside: import qdarkstyle.pyside_style_rc else: import qdarkstyle.pyqt_style_rc # Load the stylesheet content from resources if not pyside: from PyQt4.QtCore import QFile, QTextStream else: from PySide.QtCore import QFile, QTextStream f = QFile(":qdarkstyle/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def load_stylesheet_pyqt5(): """ Loads the stylesheet for use in a pyqt5 application. :param pyside: True to load the pyside rc file, False to load the PyQt rc file :return the stylesheet string """ # Smart import of the rc file import qdarkstyle.pyqt5_style_rc # Load the stylesheet content from resources from PyQt5.QtCore import QFile, QTextStream f = QFile(":qdarkstyle/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def load_stylesheet(pyside=True): """ Loads the stylesheet. Takes care of importing the rc module. :param pyside: True to load the pyside rc file, False to load the PyQt rc file :return the stylesheet string """ # Smart import of the rc file if pyside: pass else: pass # Load the stylesheet content from resources from qt.QtCore import QFile, QTextStream f = QFile(":qdarkstyle/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def load_stylesheet_pyqt5(): """ Loads the stylesheet for use in a pyqt5 application. :param pyside: True to load the pyside rc file, False to load the PyQt rc file :return the stylesheet string """ # Smart import of the rc file # Load the stylesheet content from resources from PyQt5.QtCore import QFile, QTextStream f = QFile(":qdarkstyle/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def loadQSS(theme, devmode: bool = False) -> str: if devmode: filename = os.path.join(QFileInfo(__file__).absolutePath(), 'vidcutter/styles/{}.qss'.format(theme)) else: filename = ':/styles/{}.qss'.format(theme) if QFileInfo(filename).exists(): qssfile = QFile(filename) qssfile.open(QFile.ReadOnly | QFile.Text) content = QTextStream(qssfile).readAll() qApp.setStyleSheet(content) return content
def __init__(self, appid, *argv): super(SingleApplication, self).__init__(*argv) self._appid = appid self._activationWindow = None self._activateOnMessage = False self._outSocket = QLocalSocket() self._outSocket.connectToServer(self._appid) self._isRunning = self._outSocket.waitForConnected() self._outStream = None self._inSocket = None self._inStream = None self._server = None self.settings = QSettings(SingleApplication.getSettingsPath(), QSettings.IniFormat) self.singleInstance = self.settings.value('singleInstance', 'on', type=str) in {'on', 'true'} if self._isRunning and self.singleInstance: self._outStream = QTextStream(self._outSocket) for a in argv[0][1:]: a = os.path.join(os.getcwd(), a) if os.path.isfile(a): self.sendMessage(a) break sys.exit(0) else: error = self._outSocket.error() if error == QLocalSocket.ConnectionRefusedError: self.close() QLocalServer.removeServer(self._appid) self._outSocket = None self._server = QLocalServer() self._server.listen(self._appid) self._server.newConnection.connect(self._onNewConnection)
def _onNewConnection(self): if self._inSocket: self._inSocket.readyRead.disconnect(self._onReadyRead) self._inSocket = self._server.nextPendingConnection() if not self._inSocket: return self._inStream = QTextStream(self._inSocket) self._inSocket.readyRead.connect(self._onReadyRead) if self._activateOnMessage: self.activateWindow()
def __init__(self,parent=None): myo.Ui_MainWindow.__init__(self,parent) self.setWindowFlags(Qt.FramelessWindowHint) f = QFile("D:\MyoSEMG\BorderlessWindow.css") if not f.exists(): self.statusBar().showMessage("Unable to load stylesheet, file not found in resources") else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() self.setStyleSheet(stylesheet) title_bar = QtWidgets.QWidget() title_bar.pushButtonMinimize = QtWidgets.QToolButton() title_bar.pushButtonMinimize.setIcon(QtGui.QIcon('Icons/Minimize.png')) title_bar.pushButtonMaxmize = QtWidgets.QToolButton() title_bar.pushButtonMaxmize.setIcon(QtGui.QIcon('Icons/Maxmize.png')) title_bar.pushButtonClose = QtWidgets.QToolButton() title_bar.pushButtonClose.setIcon(QtGui.QIcon('Icons/Close.png')) title_bar.pushButtonMinimize.setMinimumHeight(10) title_bar.pushButtonClose.setMinimumHeight(10) title_bar.pushButtonMaxmize.setMinimumHeight(10) label = QtWidgets.QLabel(self) label.setText("MyoSEMG") title_bar.setWindowTitle("MyoSEMG") hbox = QtWidgets.QHBoxLayout() hbox.addWidget(label) hbox.addWidget(title_bar.pushButtonMinimize) hbox.addWidget(title_bar.pushButtonMaxmize) hbox.addWidget(title_bar.pushButtonClose) hbox.insertStretch(1,500) hbox.setSpacing(0) self.setSizePolicy(QtWidgets.QSizePolicy.Expanding,QtWidgets.QSizePolicy.Fixed) self.maxNormal = False title_bar.pushButtonClose.clicked().connect(self.close) title_bar.pushButtonMinimize.clicked.connect(self.showSmall) title_bar.pushButtonMaxmize.clicked.connect(self.showMaxRestore)
def load_darkstyle(): f = QFile("darkstyle\style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not in resources") return "" else: f.open(QFile.ReadOnly|QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() return stylesheet
def load_windowstyle(): f = QFile("D:\MyoSEMG\BorderlessWindow.css") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in resources") return "" else: f.open(QFile.ReadOnly|QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() return stylesheet
def open(self): fileName, _ = QFileDialog.getOpenFileName(self) if fileName: fd = QFile(fileName) if not fd.open(QIODevice.ReadOnly): QMessageBox.information(self, "Unable to open file", fd.errorString()) return output = QTextStream(fd).readAll() # Display contents. self.centralWidget.plainTextEdit.setPlainText(output) self.centralWidget.setBaseUrl(QUrl.fromLocalFile(fileName))
def save(self): content = self.centralWidget.plainTextEdit.toPlainText() fileName, _ = QFileDialog.getSaveFileName(self) if fileName: fd = QFile(fileName) if not fd.open(QIODevice.WriteOnly): QMessageBox.information(self, "Unable to open file", fd.errorString()) return QTextStream(fd) << content
def slotSourceDownloaded(self): reply = self.sender() self.textEdit = QTextEdit() self.textEdit.setAttribute(Qt.WA_DeleteOnClose) self.textEdit.show() self.textEdit.setPlainText(QTextStream(reply).readAll()) self.textEdit.resize(600, 400) reply.deleteLater()
def updateTextEdit(self): mib = self.encodingComboBox.itemData(self.encodingComboBox.currentIndex()) codec = QTextCodec.codecForMib(mib) data = QTextStream(self.encodedData) data.setAutoDetectUnicode(False) data.setCodec(codec) self.decodedStr = data.readAll() self.textEdit.setPlainText(self.decodedStr)
def loadFile(self, fileName): file = QFile(fileName) if not file.open( QFile.ReadOnly | QFile.Text): QMessageBox.warning(self, "Recent Files", "Cannot read file %s:\n%s." % (fileName, file.errorString())) return instr = QTextStream(file) QApplication.setOverrideCursor(Qt.WaitCursor) self.textEdit.setPlainText(instr.readAll()) QApplication.restoreOverrideCursor() self.setCurrentFile(fileName) self.statusBar().showMessage("File loaded", 2000)
def saveFile(self, fileName): file = QFile(fileName) if not file.open( QFile.WriteOnly | QFile.Text): QMessageBox.warning(self, "Recent Files", "Cannot write file %s:\n%s." % (fileName, file.errorString())) return outstr = QTextStream(file) QApplication.setOverrideCursor(Qt.WaitCursor) outstr << self.textEdit.toPlainText() QApplication.restoreOverrideCursor() self.setCurrentFile(fileName) self.statusBar().showMessage("File saved", 2000)
def load_stylesheet(pyside=True): """ Loads the stylesheet. Takes care of importing the images module. :param pyside: True to load the pyside images file, False to load the PyQt images file :return the stylesheet string """ # Smart import of the images file if pyside: import qdarkstyle.pyside_style_rc else: import qdarkstyle.pyqt_style_rc # Load the stylesheet content from resources if not pyside: from PyQt4.QtCore import QFile, QTextStream else: from PySide.QtCore import QFile, QTextStream f = QFile(":darkBlue/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def load_stylesheet_pyqt5(): """ Loads the stylesheet for use in a pyqt5 application. :param pyside: True to load the pyside images file, False to load the PyQt images file :return the stylesheet string """ # Smart import of the images file import qdarkstyle.pyqt5_style_rc # Load the stylesheet content from resources from PyQt5.QtCore import QFile, QTextStream f = QFile(":darkBlue/style.qss") if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
def initSkin(self): skin = QFile("resources/themes/default.qss") if not skin.exists() or not skin.open(QFile.ReadOnly | QFile.Text): del skin else: qts = QTextStream(skin) qts.setCodec("UTF-8") data = qts.readAll() skin.close() del skin self.setStyleSheet(data)
def save_file(self, fileName): """(file open for writing)-> boolean """ fname = QFile(fileName) if not fname.open(QFile.WriteOnly | QFile.Text): QMessageBox.warning(self, "Application", "Cannot write file %s:\n%s." % (fileName, fname.errorString())) return False outf = QTextStream(fname) QApplication.setOverrideCursor(Qt.WaitCursor) outf << self.ui.textEdit.toPlainText() QApplication.restoreOverrideCursor()
def save_file(self, fileName): '''(file open for writing)-> boolean ''' fname = QFile(fileName) if not fname.open(QFile.WriteOnly | QFile.Text): QMessageBox.warning(self, "Application", "Cannot write file %s:\n%s." % (fileName, fname.errorString())) return False outf = QTextStream(fname) QApplication.setOverrideCursor(Qt.WaitCursor) outf << self.ui.textEdit.toPlainText() QApplication.restoreOverrideCursor()
def save_file(self, filename): '''(file open for writing)-> boolean ''' file_name = QFile(filename) if not file_name.open(QFile.WriteOnly | QFile.Text): return False outf = QTextStream(file_name) QApplication.setOverrideCursor(Qt.WaitCursor) outf << self.ui.textEdit.toPlainText() QApplication.restoreOverrideCursor()
def save_file(self, filename): '''(file open for writing)-> boolean ''' fname = QFile(filename) if not fname.open(QFile.WriteOnly | QFile.Text): QMessageBox.warning(self, "Application", "Cannot write file %s:\n%s." % (filename, fname.errorString())) return False outf = QTextStream(fname) QApplication.setOverrideCursor(Qt.WaitCursor) outf << self.ui.textEdit.toPlainText() QApplication.restoreOverrideCursor()
def load_stylesheet_pyqt5(**kwargs): """ Loads the stylesheet for use in a pyqt5 application. :param pyside: True to load the pyside rc file, False to load the PyQt rc file :return the stylesheet string """ # Smart import of the rc file if kwargs["style"] == "style_Dark": import PyQt5_stylesheets.pyqt5_style_Dark_rc if kwargs["style"] == "style_DarkOrange": import PyQt5_stylesheets.pyqt5_style_DarkOrange_rc if kwargs["style"] == "style_Classic": import PyQt5_stylesheets.pyqt5_style_Classic_rc if kwargs["style"] == "style_navy": import PyQt5_stylesheets.pyqt5_style_navy_rc if kwargs["style"] == "style_gray": import PyQt5_stylesheets.pyqt5_style_gray_rc if kwargs["style"] == "style_blue": import PyQt5_stylesheets.pyqt5_style_blue_rc if kwargs["style"] == "style_black": import PyQt5_stylesheets.pyqt5_style_black_rc # Load the stylesheet content from resources from PyQt5.QtCore import QFile, QTextStream f = QFile(":PyQt5_stylesheets/%s.qss"%kwargs["style"]) if not f.exists(): f = QFile(":PyQt5_stylesheets/%s.css"%kwargs["style"]) if not f.exists(): _logger().error("Unable to load stylesheet, file not found in " "resources") return "" else: f.open(QFile.ReadOnly | QFile.Text) ts = QTextStream(f) stylesheet = ts.readAll() if platform.system().lower() == 'darwin': # see issue #12 on github mac_fix = ''' QDockWidget::title { background-color: #31363b; text-align: center; height: 12px; } ''' stylesheet += mac_fix return stylesheet
