Exemple #1
0
def main():
    # ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID("AirMemo_appid")
    app = QApplication(sys.argv)
    serverName = 'rest_clock'
    socket = QLocalSocket()
    socket.connectToServer(serverName)

    # 如果连接成功,表明server已经存在,当前已有实例在运行
    if socket.waitForConnected(500):
        sys.exit(app.quit())

    # 没有实例运行,创建服务器
    localServer = QLocalServer()
    localServer.listen(serverName)
    try:
        set_app(app)
        tray = clock_tray()
        timeout_win = Ui_Timeout(tray)
        settings_win = Ui_Settings(tray)
        tran_win = TranSignalWidget()
        tran_win.showSignal.connect(timeout_win.show)
        win_dict = {"timeout_win": timeout_win, 'settings_win': settings_win}
        tray.set_menu(win_dict)
        set_aps(tran_win)
        timeout_win.show()
        TIME_MISSION.set_aps_mission()
        MYAPS.start()
        logging.debug('APS jobs {}'.format(MYAPS.get_jobs()))
        sys.exit(app.exec_())
    finally:
        localServer.close()
Exemple #2
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    def _send_to_running_instance(self, payload: bytes, pid: int) -> None:
        from PyQt5.QtCore import QByteArray
        from PyQt5.QtNetwork import QLocalSocket

        named_pipe = f"{BUNDLE_IDENTIFIER}.protocol.{pid}"
        log.debug(
            f"Opening a local socket to the running instance on {named_pipe} "
            f"(payload={self.redact_payload(payload)})"
        )
        client = QLocalSocket()
        try:
            client.connectToServer(named_pipe)

            if not client.waitForConnected():
                log.error(f"Unable to open client socket: {client.errorString()}")
                return

            client.write(QByteArray(payload))
            client.waitForBytesWritten()
            client.disconnectFromServer()
            if client.state() == QLocalSocket.ConnectedState:
                client.waitForDisconnected()
        finally:
            del client
        log.debug("Successfully closed client socket")
Exemple #3
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def _has_legacy_server(name):
    """Check if there is a legacy server.

    Args:
        name: The name to try to connect to.

    Return:
        True if there is a server with the given name, False otherwise.
    """
    socket = QLocalSocket()
    log.ipc.debug("Trying to connect to {}".format(name))
    socket.connectToServer(name)

    err = socket.error()

    if err != QLocalSocket.UnknownSocketError:
        log.ipc.debug("Socket error: {} ({})".format(
            socket.errorString(), err))

    os_x_fail = (sys.platform == 'darwin' and
                 socket.errorString() == 'QLocalSocket::connectToServer: '
                                         'Unknown error 38')

    if err not in [QLocalSocket.ServerNotFoundError,
                   QLocalSocket.ConnectionRefusedError] and not os_x_fail:
        return True

    socket.disconnectFromServer()
    if socket.state() != QLocalSocket.UnconnectedState:
        socket.waitForDisconnected(CONNECT_TIMEOUT)
    return False
Exemple #4
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def send_to_running_instance(socketname, command, target_arg, *,
                             legacy_name=None, socket=None):
    """Try to send a commandline to a running instance.

    Blocks for CONNECT_TIMEOUT ms.

    Args:
        socketname: The name which should be used for the socket.
        command: The command to send to the running instance.
        target_arg: --target command line argument
        socket: The socket to read data from, or None.
        legacy_name: The legacy name to first try to connect to.

    Return:
        True if connecting was successful, False if no connection was made.
    """
    if socket is None:
        socket = QLocalSocket()

    if (legacy_name is not None and
            _has_legacy_server(legacy_name)):
        name_to_use = legacy_name
    else:
        name_to_use = socketname

    log.ipc.debug("Connecting to {}".format(name_to_use))
    socket.connectToServer(name_to_use)

    connected = socket.waitForConnected(CONNECT_TIMEOUT)
    if connected:
        log.ipc.info("Opening in existing instance")
        json_data = {'args': command, 'target_arg': target_arg,
                     'version': qutebrowser.__version__,
                     'protocol_version': PROTOCOL_VERSION}
        try:
            cwd = os.getcwd()
        except OSError:
            pass
        else:
            json_data['cwd'] = cwd
        line = json.dumps(json_data) + '\n'
        data = line.encode('utf-8')
        log.ipc.debug("Writing: {}".format(data))
        socket.writeData(data)
        socket.waitForBytesWritten(WRITE_TIMEOUT)
        if socket.error() != QLocalSocket.UnknownSocketError:
            raise SocketError("writing to running instance", socket)
        else:
            socket.disconnectFromServer()
            if socket.state() != QLocalSocket.UnconnectedState:
                socket.waitForDisconnected(CONNECT_TIMEOUT)
            return True
    else:
        if socket.error() not in (QLocalSocket.ConnectionRefusedError,
                                  QLocalSocket.ServerNotFoundError):
            raise SocketError("connecting to running instance", socket)
        else:
            log.ipc.debug("No existing instance present (error {})".format(
                socket.error()))
            return False
Exemple #5
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def send_to_running_instance(cmdlist):
    """Try to send a commandline to a running instance.

    Blocks for CONNECT_TIMEOUT ms.

    Args:
        cmdlist: A list to send (URLs/commands)

    Return:
        True if connecting was successful, False if no connection was made.
    """
    socket = QLocalSocket()
    socket.connectToServer(SOCKETNAME)
    connected = socket.waitForConnected(100)
    if connected:
        log.ipc.info("Opening in existing instance")
        line = json.dumps(cmdlist) + '\n'
        data = line.encode('utf-8')
        log.ipc.debug("Writing: {}".format(data))
        socket.writeData(data)
        socket.waitForBytesWritten(WRITE_TIMEOUT)
        if socket.error() != QLocalSocket.UnknownSocketError:
            _socket_error("writing to running instance", socket)
        else:
            return True
    else:
        if socket.error() not in (QLocalSocket.ConnectionRefusedError,
                                  QLocalSocket.ServerNotFoundError):
            _socket_error("connecting to running instance", socket)
        else:
            log.ipc.debug("No existing instance present (error {})".format(
                socket.error()))
            return False
Exemple #6
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def init():
    """Start listening to incoming connections."""
    global _server
    if _server is not None:
        return

    server = QLocalServer(None)

    # find a free socket name to use
    for name in ids():
        if server.listen(name):
            break
    else:
        # all names failed, try to contact and remove stale file if that fails
        socket = QLocalSocket()
        for name in ids():
            socket.connectToServer(name)
            if not socket.waitForConnected(10000):
                QLocalServer.removeServer(name)
                if server.listen(name):
                    break
            else:
                socket.disconnectFromServer()
        else:
            # no ids left, don't listen
            return
    app.aboutToQuit.connect(server.close)
    server.newConnection.connect(slot_new_connection)
    os.environ["FRESCOBALDI_SOCKET"] = name
    _server = server
Exemple #7
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def main():
    import sys
    app = QApplication(sys.argv)
    translator = QTranslator()
    locale = QLocale.system().name()
    translateFile = os.path.join(BASEDIR, 'i18n\\translations', '{}.qm'.format(locale))
    if translator.load(translateFile):
        app.installTranslator(translator)

    # QApplication.setStyle(QStyleFactory.create('Fusion'))

    if boolean(conf.value('General/LargeFont')):
        font = QFont('Courier New', 14)
        app.setFont(font)

    serverName = 'Tafor'
    socket = QLocalSocket()
    socket.connectToServer(serverName)

    # 如果连接成功,表明server已经存在,当前已有实例在运行
    if socket.waitForConnected(500):
        return(app.quit())

    # 没有实例运行,创建服务器     
    localServer = QLocalServer()
    localServer.listen(serverName)

    try:          
        window = MainWindow()
        window.show()
        sys.exit(app.exec_())
    except Exception as e:
        logger.error(e, exc_info=True)
    finally:  
        localServer.close()
def f_main():
    """主程序,保证程序单实例运行"""
    app = QtWidgets.QApplication(sys.argv)
    app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
    servername = "TransTools"

    socket = QLocalSocket()
    socket.connectToServer(servername)
    if socket.waitForConnected(500):
        # 程序只允许单例运行
        showmsg("程序已运行!")
        return(app.quit())

    # 没有实例运行,创建服务器
    localServer = QLocalServer()
    localServer.listen(servername)

    try:
        main = Main()
        main.show()

        sys.exit(app.exec_())
    except Exception as e:
        showmsg(str(e), type=QMessageBox.Critical)
    finally:
        localServer.close()
Exemple #9
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def send_to_running_instance(cmdlist):
    """Try to send a commandline to a running instance.

    Blocks for CONNECT_TIMEOUT ms.

    Args:
        cmdlist: A list to send (URLs/commands)

    Return:
        True if connecting was successful, False if no connection was made.
    """
    socket = QLocalSocket()
    socket.connectToServer(SOCKETNAME)
    connected = socket.waitForConnected(100)
    if connected:
        log.ipc.info("Opening in existing instance")
        line = json.dumps(cmdlist) + '\n'
        data = line.encode('utf-8')
        log.ipc.debug("Writing: {}".format(data))
        socket.writeData(data)
        socket.waitForBytesWritten(WRITE_TIMEOUT)
        if socket.error() != QLocalSocket.UnknownSocketError:
            _socket_error("writing to running instance", socket)
        else:
            return True
    else:
        if socket.error() not in (QLocalSocket.ConnectionRefusedError,
                                  QLocalSocket.ServerNotFoundError):
            _socket_error("connecting to running instance", socket)
        else:
            log.ipc.debug("No existing instance present (error {})".format(
                socket.error()))
            return False
Exemple #10
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def main():
    # ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID("AirMemo_appid")
    app = QApplication(sys.argv)

    serverName = 'AirMemo_client'
    socket = QLocalSocket()
    socket.connectToServer(serverName)

    # 如果连接成功,表明server已经存在,当前已有实例在运行
    if socket.waitForConnected(500):
        sys.exit(app.quit())

    # 没有实例运行,创建服务器
    localServer = QLocalServer()
    localServer.listen(serverName)
    try:
        setApp(app)
        link_db(config.LDB_FILENAME)
        tray = AirTray()
        mainWindow = Ui_MainWindow(tray)
        setting_win = Ui_Settings(tray)
        dict = {'main_win': mainWindow, 'setting_win': setting_win}
        tray.set_menu(dict)
        tray.show()
        # mainWindow.show()
        setting_win.show()
        sys.exit(app.exec_())
    finally:
        localServer.close()
Exemple #11
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def _has_legacy_server(name):
    """Check if there is a legacy server.

    Args:
        name: The name to try to connect to.

    Return:
        True if there is a server with the given name, False otherwise.
    """
    socket = QLocalSocket()
    log.ipc.debug("Trying to connect to {}".format(name))
    socket.connectToServer(name)

    err = socket.error()

    if err != QLocalSocket.UnknownSocketError:
        log.ipc.debug("Socket error: {} ({})".format(socket.errorString(), err))

    os_x_fail = (
        sys.platform == "darwin" and socket.errorString() == "QLocalSocket::connectToServer: " "Unknown error 38"
    )

    if err not in [QLocalSocket.ServerNotFoundError, QLocalSocket.ConnectionRefusedError] and not os_x_fail:
        return True

    socket.disconnectFromServer()
    if socket.state() != QLocalSocket.UnconnectedState:
        socket.waitForDisconnected(CONNECT_TIMEOUT)
    return False
Exemple #12
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    def _send_to_running_instance(self, payload: bytes, pid: int) -> None:
        from PyQt5.QtCore import QByteArray
        from PyQt5.QtNetwork import QLocalSocket

        named_pipe = f"{BUNDLE_IDENTIFIER}.protocol.{pid}"
        log.debug(
            f"Opening a local socket to the running instance on {named_pipe} "
            f"(payload={self.redact_payload(payload)!r})"
        )
        client = QLocalSocket()
        try:
            client.connectToServer(named_pipe)

            if not client.waitForConnected():
                log.error(f"Unable to open client socket: {client.errorString()}")
                return

            client.write(QByteArray(payload))
            client.waitForBytesWritten()
            client.disconnectFromServer()
            if client.state() == QLocalSocket.ConnectedState:
                client.waitForDisconnected()
        finally:
            del client
        log.debug("Successfully closed client socket")
Exemple #13
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def init():
    """Start listening to incoming connections."""
    global _server
    if _server is not None:
        return
    
    server = QLocalServer(None)
    
    # find a free socket name to use
    for name in ids():
        if server.listen(name):
            break
    else:
        # all names failed, try to contact and remove stale file if that fails
        socket = QLocalSocket()
        for name in ids():
            socket.connectToServer(name)
            if not socket.waitForConnected(10000):
                QLocalServer.removeServer(name)
                if server.listen(name):
                    break
            else:
                socket.disconnectFromServer()
        else:
            # no ids left, don't listen
            return
    app.aboutToQuit.connect(server.close)
    server.newConnection.connect(slot_new_connection)
    os.environ["FRESCOBALDI_SOCKET"] = name
    _server = server
Exemple #14
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def get():
    """Return a remote Frescobaldi, or None if not available."""
    socket = QLocalSocket()
    name = os.environ.get("FRESCOBALDI_SOCKET")
    for name in (name,) if name else ids():
        socket.connectToServer(name)
        if socket.waitForConnected(5000):
            from . import api
            return api.Remote(socket)
Exemple #15
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def get():
    """Return a remote Frescobaldi, or None if not available."""
    socket = QLocalSocket()
    name = os.environ.get("FRESCOBALDI_SOCKET")
    for name in (name, ) if name else ids():
        socket.connectToServer(name)
        if socket.waitForConnected(5000):
            from . import api
            return api.Remote(socket)
Exemple #16
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    def hasPrevious(self, name, args):
        socket = QLocalSocket()
        socket.connectToServer(name, QLocalSocket.ReadWrite)
        if socket.waitForConnected():
            if len(args) > 1:
                socket.write(args[1])

            socket.flush()
            return True
        return False
Exemple #17
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def is_running():
    local_socket = QLocalSocket()
    local_socket.connectToServer("percentage_ide")
    if local_socket.state():
        # It's running
        result = (True, local_socket)
    else:
        # It's not running
        result = (False, local_socket)
    return result
Exemple #18
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def is_running():
    local_socket = QLocalSocket()
    local_socket.connectToServer("ninja_ide")
    if local_socket.state():
        # It's running
        result = (True, local_socket)
    else:
        # It's not running
        result = (False, local_socket)
    return result
Exemple #19
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 def initLocalConnection(self):
     socket = QLocalSocket()
     socket.connectToServer(self.serverName)
     if socket.waitForConnected(self.TIME_OUT):
         self.isRuning = True
         if len(self.args) >= 3:
             data = self.args[1] + ',' + self.args[2]
             socket.writeData(data.encode())
             socket.flush()
             socket.waitForBytesWritten()
         return
     self.newLocalServer()
Exemple #20
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    def startClient(self) -> bool:
        Logger.log(
            "i",
            "Checking for the presence of an ready running Cura instance.")
        single_instance_socket = QLocalSocket(self._application)
        Logger.log("d", "Full single instance server name: %s",
                   single_instance_socket.fullServerName())
        single_instance_socket.connectToServer("ultimaker-cura")
        single_instance_socket.waitForConnected(
            msecs=3000)  # wait for 3 seconds

        if single_instance_socket.state() != QLocalSocket.ConnectedState:
            return False

        # We only send the files that need to be opened.
        if not self._files_to_open:
            Logger.log("i", "No file need to be opened, do nothing.")
            return True

        if single_instance_socket.state() == QLocalSocket.ConnectedState:
            Logger.log(
                "i",
                "Connection has been made to the single-instance Cura socket.")

            # Protocol is one line of JSON terminated with a carriage return.
            # "command" field is required and holds the name of the command to execute.
            # Other fields depend on the command.

            if self._application.getPreferences().getValue(
                    "cura/single_instance_clear_before_load"):
                payload = {"command": "clear-all"}
                single_instance_socket.write(
                    bytes(json.dumps(payload) + "\n", encoding="ascii"))

            payload = {"command": "focus"}
            single_instance_socket.write(
                bytes(json.dumps(payload) + "\n", encoding="ascii"))

            for filename in self._files_to_open:
                payload = {
                    "command": "open",
                    "filePath": os.path.abspath(filename)
                }
                single_instance_socket.write(
                    bytes(json.dumps(payload) + "\n", encoding="ascii"))

            payload = {"command": "close-connection"}
            single_instance_socket.write(
                bytes(json.dumps(payload) + "\n", encoding="ascii"))

            single_instance_socket.flush()
            single_instance_socket.waitForDisconnected()
        return True
Exemple #21
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def main():
    app = QApplication(sys.argv)
    app.setApplicationVersion("v1.3.1")
    app.setQuitOnLastWindowClosed(False)

    socket = QLocalSocket()
    socket.connectToServer("blender-launcher-server")
    is_running = socket.waitForConnected()

    if not is_running:
        socket.close()
        BlenderLauncher(app)
        app.exec_()
Exemple #22
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    def __init__(self, serverName, parent=None):
        SocketInterface.__init__(self, serverName, parent=parent)

        socket = QLocalSocket(parent)
        socket.readyRead.connect(self.receiveMessage)
        socket.connectToServer(serverName)
        if socket.waitForConnected(1000):
            socket.write("Hello {0}!".format(serverName).encode("utf-8"))
            socket.flush()
            socket.waitForBytesWritten(1000)
            self.conn = socket
        else:
            self.log("Could not connect to SocketServer.")
class connection(object):
	"""docstring for connection"""
	def __init__(self, servername):
		super(connection, self).__init__()
		self.servername = servername
	
	def connectAndSend(self, content):
		self.content = json.dumps(content)
		self.socket = QLocalSocket()
		self.socket.connectToServer(self.servername)
		# self.socket.connected.connect(self.ready)
		self.socket.write(self.content.encode('utf-8'))
		pass
Exemple #24
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    def sendMessage(self, message):
        assert (self._isRunning)

        if self.isRunning():
            socket = QLocalSocket(self)
            socket.connectToServer(self._key, QIODevice.WriteOnly)
            if not socket.waitForConnected(self._timeout):
                return False
            socket.write(message.encode('utf-8'))
            if not socket.waitForBytesWritten(self._timeout):
                return False
            socket.disconnectFromServer()
            return True
        return False
Exemple #25
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 def hasPrevious(self, name, args):
     print("önceki socket kontrol ediliyor...")
     socket = QLocalSocket()
     socket.connectToServer(name, QLocalSocket.ReadWrite)
     if socket.waitForConnected():
         print("Önceki instansa argümanlar gönderiliyor.")
         if len(args) > 1:
             socket.write(args[1])
         else:
             pass
         socket.flush()
         return True
     print(socket.errorString())
     return False
Exemple #26
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def main():
    global win
    signal.signal(signal.SIGINT, exit)
    args = parse_arguments()
    appKey = "scudcloud.pid"
    socket = QLocalSocket()
    socket.connectToServer(appKey)
    if socket.isOpen():
        socket.close()
        socket.deleteLater()
        return 0
    socket.deleteLater()
    app = QtWidgets.QApplication(sys.argv)
    app.setApplicationName(Resources.APP_NAME + ' Slack')
    app.setWindowIcon(QtGui.QIcon(Resources.get_path('scudcloud.png')))
    try:
        settings_path, cache_path = load_settings(args.confdir, args.cachedir)
    except:
        print("Data directories " + args.confdir + " and " + args.cachedir +
              " could not be created! Exiting...")
        raise SystemExit()
    minimized = True if args.minimized is True else None
    urgent_hint = True if args.urgent_hint is True else None

    # Let's move the CSS to cachedir to enable additional actions
    copyfile(Resources.get_path('resources.css'),
             os.path.join(cache_path, 'resources.css'))

    # If there is an qt4 config and not a qt5, let's copy the old one
    qt4_config = os.path.join(settings_path, 'scudcloud.cfg')
    qt5_config = os.path.join(settings_path, 'scudcloud_qt5.cfg')
    if os.path.exists(qt4_config) and not os.path.exists(qt5_config):
        copyfile(qt4_config, qt5_config)

    win = sca.ScudCloud(debug=args.debug,
                        minimized=minimized,
                        urgent_hint=urgent_hint,
                        settings_path=settings_path,
                        cache_path=cache_path)
    app.commitDataRequest.connect(win.setForceClose,
                                  type=QtCore.Qt.DirectConnection)

    server = QLocalServer()
    server.newConnection.connect(restore)
    server.listen(appKey)
    win.restore()
    if win.minimized is None:
        win.show()
    sys.exit(app.exec_())
Exemple #27
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def main(now_version, new_version):
    try:
        serverName = 'dig_word_update_Server'
        socket = QLocalSocket()
        socket.connectToServer(serverName)
        # 如果连接成功,表明server已经存在,当前已有实例在运行
        if socket.waitForConnected(500):
            pass
        else:
            localServer = QLocalServer()  # 没有实例运行,创建服务器
            localServer.listen(serverName)
            # 处理其他
            downwin_class(now_version, new_version)
    except:
        pass
Exemple #28
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 def sendNotification(self, message):
     if self.isRunning():
         socket = QLocalSocket(self)
         socket.connectToServer(self._key, QIODevice.WriteOnly)
         if not socket.waitForConnected(self._timeout):
             print(socket.errorString())
             return False
         if not isinstance(message, bytes):
             message = message.encode('utf-8')
         socket.write(message)
         if not socket.waitForBytesWritten(self._timeout):
             print(socket.errorString())
             return False
         socket.disconnectFromServer()
         return True
     return False
Exemple #29
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class QSingleApplication(QApplication):
    sock_file = 'sumokoin_wallet_sock'
    if sys.platform == 'win32':
        sock_file = "\\\\.\\pipe\\%s" % sock_file
    elif sys.platform == 'darwin':
        sock_file = os.path.join(DATA_DIR, '.%s' % sock_file)
    else:
        sock_file = os.path.join(getSockDir(), sock_file)

    def singleStart(self, appMain):
        self.appMain = appMain
        # Socket
        self.m_socket = QLocalSocket()
        self.m_socket.connected.connect(self.connectToExistingApp)
        self.m_socket.error.connect(
            lambda: self.startApplication(first_start=True))
        self.m_socket.connectToServer(self.sock_file, QIODevice.WriteOnly)

    def connectToExistingApp(self):
        # Quit application in 250 ms
        QTimer.singleShot(250, self.quit)
        print("App is already running.", file=sys.stderr)

    def startApplication(self, first_start=True):
        self.m_server = QLocalServer()
        if self.m_server.listen(self.sock_file):
            print("Starting app...")
            self.appMain.run()
        else:
            if not first_start:
                print("Error listening the socket. App can't start!",
                      file=sys.stderr)
                QTimer.singleShot(250, self.quit)
                return

            # remove the listener path file and try to restart app one more time
            print("Error listening the socket. Try to restart application...",
                  file=sys.stderr)
            if sys.platform != 'win32':
                try:
                    os.unlink(self.sock_file)
                except Exception, err:
                    print(err, file=sys.stderr)

            QTimer.singleShot(250,
                              lambda: self.startApplication(first_start=False))
class InstanceHandler(QObject):
    """ Makes sure that only one instance of this application can be run. """

    received = pyqtSignal(str)

    def __init__(self, parent, name):
        super(__class__, self).__init__(parent)
        self._parent = parent
        self._name = name
        self._timeout = 1000
        self._socket = QLocalSocket(self)
        self._socket.connectToServer(self._name)
        self._is_already_running = self._socket.waitForConnected(self._timeout)
        if not self.isAlreadyRunning():
            self._server = QLocalServer(self)
            self._server.newConnection.connect(self._receive_data)
            self._server.removeServer(self._name)
            self._server.listen(self._name)

    def _send_data(self, data=None):
        """ Sends model to an server-application. """
        if not data:
            data = ""
        self._socket.write(data.encode())
        self._socket.waitForBytesWritten(self._timeout)
        self._socket.disconnectFromServer()

    def _receive_data(self):
        """ Receives model from an client-application. """
        socket = self._server.nextPendingConnection()
        if socket.waitForReadyRead(self._timeout):
            # Emit transmitted model.
            self.received.emit(socket.readAll().data().decode(
                "utf-8", "surrogateescape"))
        else:
            # When no model was transmitted just emit empty string.
            self.received.emit("")

    def newTab(self, input):
        """ Opens a new tab in an already running instance. """
        self._send_data(input)

    def isAlreadyRunning(self) -> bool:
        """ Returns True when an instance of the application is already running, otherwise False. """
        return self._is_already_running
Exemple #31
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def send_to_running_instance(socketname, command):
    """Try to send a commandline to a running instance.

    Blocks for CONNECT_TIMEOUT ms.

    Args:
        socketname: The name which should be used for the socket.
        command: The command to send to the running instance.

    Return:
        True if connecting was successful, False if no connection was made.
    """
    socket = QLocalSocket()
    log.ipc.debug("Connecting to {}".format(socketname))
    socket.connectToServer(socketname)
    connected = socket.waitForConnected(100)
    if connected:
        log.ipc.info("Opening in existing instance")
        json_data = {'args': command}
        try:
            cwd = os.getcwd()
        except OSError:
            pass
        else:
            json_data['cwd'] = cwd
        line = json.dumps(json_data) + '\n'
        data = line.encode('utf-8')
        log.ipc.debug("Writing: {}".format(data))
        socket.writeData(data)
        socket.waitForBytesWritten(WRITE_TIMEOUT)
        if socket.error() != QLocalSocket.UnknownSocketError:
            _socket_error("writing to running instance", socket)
        else:
            socket.disconnectFromServer()
            if socket.state() != QLocalSocket.UnconnectedState:
                socket.waitForDisconnected(100)
            return True
    else:
        if socket.error() not in (QLocalSocket.ConnectionRefusedError,
                                  QLocalSocket.ServerNotFoundError):
            _socket_error("connecting to running instance", socket)
        else:
            log.ipc.debug("No existing instance present (error {})".format(
                socket.error()))
            return False
Exemple #32
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def send_to_running_instance(args):
    """Try to send a commandline to a running instance.

    Blocks for CONNECT_TIMEOUT ms.

    Args:
        args: The argparse namespace.

    Return:
        True if connecting was successful, False if no connection was made.
    """
    socket = QLocalSocket()
    socketname = _get_socketname(args)
    log.ipc.debug("Connecting to {}".format(socketname))
    socket.connectToServer(socketname)
    connected = socket.waitForConnected(100)
    if connected:
        log.ipc.info("Opening in existing instance")
        json_data = {'args': args.command}
        try:
            cwd = os.getcwd()
        except OSError:
            pass
        else:
            json_data['cwd'] = cwd
        line = json.dumps(json_data) + '\n'
        data = line.encode('utf-8')
        log.ipc.debug("Writing: {}".format(data))
        socket.writeData(data)
        socket.waitForBytesWritten(WRITE_TIMEOUT)
        if socket.error() != QLocalSocket.UnknownSocketError:
            _socket_error("writing to running instance", socket)
        else:
            return True
    else:
        if socket.error() not in (QLocalSocket.ConnectionRefusedError,
                                  QLocalSocket.ServerNotFoundError):
            _socket_error("connecting to running instance", socket)
        else:
            log.ipc.debug("No existing instance present (error {})".format(
                socket.error()))
            return False
Exemple #33
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    def _send_to_running_instance(self, payload: bytes) -> bool:
        from PyQt5.QtCore import QByteArray
        from PyQt5.QtNetwork import QLocalSocket

        log.debug(
            f"Opening local socket to send to the running instance (payload={payload})"
        )
        client = QLocalSocket()
        client.connectToServer("com.nuxeo.drive.protocol")

        if not client.waitForConnected():
            log.error(f"Unable to open client socket: {client.errorString()}")
            return 0

        client.write(QByteArray(payload))
        client.waitForBytesWritten()
        client.disconnectFromServer()
        client.waitForDisconnected()
        del client
        log.debug("Successfully closed client socket")
Exemple #34
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    def __init__(self, argv, key):
        QApplication.__init__(self, argv)

        self._key = key
        self._timeout = 1000

        socket = QLocalSocket(self)
        socket.connectToServer(self._key)
        if socket.waitForConnected(self._timeout):
            self._isRunning = True
            socket.abort()
            return
        socket.abort()

        self._isRunning = False
        self._server = QLocalServer(self)
        self._server.newConnection.connect(self.__onNewConnection)
        self._server.listen(self._key)

        self.aboutToQuit.connect(self.__onAboutToQuit)
Exemple #35
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    def startClient(self) -> bool:
        Logger.log("i", "Checking for the presence of an ready running Cura instance.")
        single_instance_socket = QLocalSocket(self._application)
        Logger.log("d", "Full single instance server name: %s", single_instance_socket.fullServerName())
        single_instance_socket.connectToServer("ultimaker-cura")
        single_instance_socket.waitForConnected(msecs = 3000)  # wait for 3 seconds

        if single_instance_socket.state() != QLocalSocket.ConnectedState:
            return False

        # We only send the files that need to be opened.
        if not self._files_to_open:
            Logger.log("i", "No file need to be opened, do nothing.")
            return True

        if single_instance_socket.state() == QLocalSocket.ConnectedState:
            Logger.log("i", "Connection has been made to the single-instance Cura socket.")

            # Protocol is one line of JSON terminated with a carriage return.
            # "command" field is required and holds the name of the command to execute.
            # Other fields depend on the command.

            payload = {"command": "clear-all"}
            single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding = "ascii"))

            payload = {"command": "focus"}
            single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding = "ascii"))

            for filename in self._files_to_open:
                payload = {"command": "open", "filePath": os.path.abspath(filename)}
                single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding = "ascii"))

            payload = {"command": "close-connection"}
            single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding = "ascii"))

            single_instance_socket.flush()
            single_instance_socket.waitForDisconnected()
        return True
Exemple #36
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def main():
    if "-update" in sys.argv:
        platform = get_platform()
        temp = Path(tempfile.gettempdir())
        cwd = Path.cwd()

        if platform == 'Windows':
            bl_exe = "Blender Launcher.exe"
        elif platform == 'Linux':
            bl_exe = "Blender Launcher"

        source = (temp / bl_exe).as_posix()
        dist = (cwd / bl_exe).as_posix()

        with open(source, 'rb') as f1, open(dist, 'wb') as f2:
            copyfileobj(f1, f2)

        if platform == 'Windows':
            _popen([dist])
        elif platform == 'Linux':
            os.chmod(dist, 0o744)
            _popen('nohup "' + dist + '"')

        sys.exit(0)

    app = QApplication(sys.argv)
    app.setStyle('Fusion')
    app.setApplicationVersion(version)
    app.setQuitOnLastWindowClosed(False)

    socket = QLocalSocket()
    socket.connectToServer("blender-launcher-server")
    is_running = socket.waitForConnected()

    if not is_running:
        socket.close()
        BlenderLauncher(app)
        app.exec_()
    def start(cls, path, image, widget=None, single=False, name=None,
              above=False, alignment=None, color=None):
        """
        :param path: 客户端路径
        :param image: 背景图片
        :param widget: 自定义的UI层
        :param single: 是否单实例,默认 False
        :param name: 单实例唯一名
        :param above: 是否置顶
        :param alignment: 文字对齐位置
        :param color: 文本颜色
        """
        name = cls.getName(name)
        os.environ['SplashConnectName'] = name

        # 单实例检测
        if single:
            s = QLocalSocket()
            s.connectToServer(name)
            if s.waitForConnected():
                # 应用已经启动则退出
                s.close()
                s.deleteLater()
                print('application is already running')
                sys.exit(0)

        app = QApplication(sys.argv)
        # 启动客户端并将参数传递
        QProcess.startDetached(path, sys.argv[1:])

        # 显示启动界面
        w = SplashScreen(name, image, widget, above)
        w.setAlignment(alignment)
        w.setColor(color)
        w.show()

        sys.exit(app.exec_())
Exemple #38
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class Client:
    def __init__(self):
        self.socket = QLocalSocket()
        self.socket.setServerName(piony.G_SOCKET_NAME)
        self.socket.error.connect(self.displayError)
        self.socket.disconnected.connect(self.socket.deleteLater)

    def _log_(self, text, *args):
        logger.info(self.__class__.__qualname__ + ': ' + text, *args)

    def connect(self):
        self.socket.abort()
        self._log_("connection attempt")
        self.socket.connectToServer()

    def send(self, argv):
        data = QByteArray()
        out = QDataStream(data, QIODevice.WriteOnly)
        out.setVersion(QDataStream.Qt_5_0)
        out.writeQVariant(argv)
        self._log_("writes: %s", str(data))
        self.socket.write(data)
        self.socket.flush()
        self.socket.disconnectFromServer()

    def displayError(self, err):
        msg = {
            QLocalSocket.ServerNotFoundError:
                "The host was not found. Check the host name and port.",
            QLocalSocket.ConnectionRefusedError:
                "The connection was refused by the peer. "
                "Check server is running, it's host and port.",
            QLocalSocket.PeerClosedError:
                "Peer was closed",  # None,
        }.get(err, "Client error: {}.".format(self.socket.errorString()))
        self._log_(msg)
Exemple #39
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class SingleApplication(QtWidgets.QApplication):
    '''
    Inheriting from QApplication, executing main App instead.
    Watching whether the app is already running.
    If so, quit befor execution.
    '''
    messageReceived = QtCore.pyqtSignal(str)

    def __init__(self, id, *argv):

        super(SingleApplication, self).__init__(*argv)
        self._id = id
        self._activationWindow = None
        self._activateOnMessage = False

        # Check if another instance is running?
        self._outSocket = QLocalSocket()
        self._outSocket.connectToServer(self._id)
        self._isRunning = self._outSocket.waitForConnected()

        if self._isRunning:
            self._outStream = QtCore.QTextStream(self._outSocket)
            self._outStream.setCodec('UTF-8')
        else:
            self._outSocket = None
            self._outStream = None
            self._inSocket = None
            self._inStream = None
            self._server = QLocalServer()
            self._server.removeServer(self._id)  # if existing after crash-exit
            self._server.listen(self._id)
            self._server.newConnection.connect(self._onNewConnection)

    def isRunning(self):
        return self._isRunning

    def id(self):
        return self._id

    def activationWindow(self):
        return self._activationWindow

    def setActivationWindow(self, activationWindow, activateOnMessage=True):
        self._activationWindow = activationWindow
        self._activateOnMessage = activateOnMessage

    def activateWindow(self):
        if not self._activationWindow:
            return
        self._activationWindow.setWindowState(
            self._activationWindow.windowState() & ~QtCore.Qt.WindowMinimized)
        self._activationWindow.show()
        self._activationWindow.activateWindow()

    def sendMessage(self, msg):
        if not self._outStream:
            return False
        self._outStream << msg << '\n'
        self._outStream.flush()
        return self._outSocket.waitForBytesWritten()

    def _onNewConnection(self):
        if self._inSocket:
            self._inSocket.readyRead.disconnect(self._onReadyRead)
        self._inSocket = self._server.nextPendingConnection()
        if not self._inSocket:
            return
        self._inStream = QtCore.QTextStream(self._inSocket)
        self._inStream.setCodec('UTF-8')
        self._inSocket.readyRead.connect(self._onReadyRead)
        if self._activateOnMessage:
            self.activateWindow()

    def _onReadyRead(self):
        while True:
            msg = self._inStream.readLine()
            if not msg:
                break
            self.messageReceived.emit(msg)
class Client(QDialog):
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.blockSize = 0
        self.currentFortune = None

        hostLabel = QLabel("&Server name:")
        self.hostLineEdit = QLineEdit("fortune")
        hostLabel.setBuddy(self.hostLineEdit)

        self.statusLabel = QLabel("This examples requires that you run the Fortune Server " "example as well.")
        self.statusLabel.setWordWrap(True)

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)

        quitButton = QPushButton("Quit")
        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.socket = QLocalSocket()

        self.hostLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.socket.readyRead.connect(self.readFortune)
        self.socket.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostLineEdit, 0, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Fortune Client")
        self.hostLineEdit.setFocus()

    def requestNewFortune(self):
        self.getFortuneButton.setEnabled(False)
        self.blockSize = 0
        self.socket.abort()
        self.socket.connectToServer(self.hostLineEdit.text())

    def readFortune(self):
        ins = QDataStream(self.socket)
        ins.setVersion(QDataStream.Qt_4_0)

        if self.blockSize == 0:
            if self.socket.bytesAvailable() < 2:
                return
            self.blockSize = ins.readUInt16()

        if ins.atEnd():
            return

        nextFortune = ins.readQString()
        if nextFortune == self.currentFortune:
            QTimer.singleShot(0, self.requestNewFortune)
            return

        self.currentFortune = nextFortune
        self.statusLabel.setText(self.currentFortune)
        self.getFortuneButton.setEnabled(True)

    def displayError(self, socketError):
        errors = {
            QLocalSocket.ServerNotFoundError: "The host was not found. Please check the host name and port "
            "settings.",
            QLocalSocket.ConnectionRefusedError: "The connection was refused by the peer. Make sure the "
            "fortune server is running, and check that the host name and "
            "port settings are correct.",
            QLocalSocket.PeerClosedError: None,
        }

        msg = errors.get(socketError, "The following error occurred: %s." % self.socket.errorString())
        if msg is not None:
            QMessageBox.information(self, "Fortune Client", msg)

        self.getFortuneButton.setEnabled(True)

    def enableGetFortuneButton(self):
        self.getFortuneButton.setEnabled(self.hostLineEdit.text() != "")
class QtSingleApplication(QApplication):
    """
    This class makes sure that we can only start one Tribler application.
    When a user tries to open a second Tribler instance, the current active one will be brought to front.
    """

    messageReceived = pyqtSignal(unicode)

    def __init__(self, win_id, *argv):

        logfunc = logging.info
        logfunc(sys._getframe().f_code.co_name + '()')

        QApplication.__init__(self, *argv)

        self._id = win_id
        self._activation_window = None
        self._activate_on_message = False

        # Is there another instance running?
        self._outSocket = QLocalSocket()
        self._outSocket.connectToServer(self._id)
        self._isRunning = self._outSocket.waitForConnected()

        self._outStream = None
        self._inSocket = None
        self._inStream = None
        self._server = None

        if self._isRunning:
            # Yes, there is.
            self._outStream = QTextStream(self._outSocket)
            self._outStream.setCodec('UTF-8')
        else:
            # No, there isn't, at least not properly.
            # Cleanup any past, crashed server.
            error = self._outSocket.error()
            logfunc(LOGVARSTR % ('self._outSocket.error()', error))
            if error == QLocalSocket.ConnectionRefusedError:
                logfunc('received QLocalSocket.ConnectionRefusedError; ' + \
                        'removing server.')
                self.close()
                QLocalServer.removeServer(self._id)
            self._outSocket = None
            self._server = QLocalServer()
            self._server.listen(self._id)
            self._server.newConnection.connect(self._on_new_connection)

        logfunc(sys._getframe().f_code.co_name + '(): returning')

    def close(self):
        logfunc = logging.info
        logfunc(sys._getframe().f_code.co_name + '()')
        if self._inSocket:
            self._inSocket.disconnectFromServer()
        if self._outSocket:
            self._outSocket.disconnectFromServer()
        if self._server:
            self._server.close()
        logfunc(sys._getframe().f_code.co_name + '(): returning')

    def is_running(self):
        return self._isRunning

    def get_id(self):
        return self._id

    def activation_window(self):
        return self._activation_window

    def set_activation_window(self, activation_window, activate_on_message=True):
        self._activation_window = activation_window
        self._activate_on_message = activate_on_message

    def activate_window(self):
        if not self._activation_window:
            return
        self._activation_window.setWindowState(
            self._activation_window.windowState() & ~Qt.WindowMinimized)
        self._activation_window.raise_()

    def send_message(self, msg):
        if not self._outStream:
            return False
        self._outStream << msg << '\n'
        self._outStream.flush()
        return self._outSocket.waitForBytesWritten()

    def _on_new_connection(self):
        if self._inSocket:
            self._inSocket.readyRead.disconnect(self._on_ready_read)
        self._inSocket = self._server.nextPendingConnection()
        if not self._inSocket:
            return
        self._inStream = QTextStream(self._inSocket)
        self._inStream.setCodec('UTF-8')
        self._inSocket.readyRead.connect(self._on_ready_read)
        if self._activate_on_message:
            self.activate_window()

    def _on_ready_read(self):
        while True:
            msg = self._inStream.readLine()
            if not msg:
                break
            self.messageReceived.emit(msg)
Exemple #42
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class Eddy(QApplication):
    """
    This class implements the main Qt application.
    """
    messageReceived = pyqtSignal(str)

    def __init__(self, argv):
        """
        Initialize Eddy.
        :type argv: list
        """
        super().__init__(argv)

        parser = ArgumentParser()
        parser.add_argument('--nosplash', dest='nosplash', action='store_true')
        parser.add_argument('--tests', dest='tests', action='store_true')

        options, args = parser.parse_known_args(args=argv)

        self.inSocket = None
        self.inStream = None
        self.outSocket = QLocalSocket()
        self.outSocket.connectToServer(APPID)
        self.outStream = None
        self.isRunning = self.outSocket.waitForConnected()
        self.mainwindow = None
        self.pendingOpen = []
        self.server = None

        # We do not initialize a new instance of Eddy if there is a process running
        # and we are not executing the tests suite: we'll create a socket instead so we can
        # exchange messages between the 2 processes (this one and the already running one).
        if self.isRunning and not options.tests:
            self.outStream = QTextStream(self.outSocket)
            self.outStream.setCodec('UTF-8')
        else:
            self.server = QLocalServer()
            self.server.listen(APPID)
            self.outSocket = None
            self.outStream = None

            connect(self.server.newConnection, self.newConnection)
            connect(self.messageReceived, self.readMessage)

            ############################################################################################################
            #                                                                                                          #
            #   PERFORM EDDY INITIALIZATION                                                                            #
            #                                                                                                          #
            ############################################################################################################

            # Draw the splashscreen.
            self.splashscreen = None
            if not options.nosplash:
                self.splashscreen = SplashScreen(min_splash_time=4)
                self.splashscreen.show()

            # Setup layout.
            self.setStyle(Clean('Fusion'))
            with open(expandPath('@eddy/ui/clean.qss')) as sheet:
                self.setStyleSheet(sheet.read())

            # Create the main window.
            self.mainwindow = MainWindow()

            # Close the splashscreen.
            if self.splashscreen:
                self.splashscreen.wait(self.splashscreen.remaining)
                self.splashscreen.close()

            # Display the mainwindow.
            self.mainwindow.show()

            if Platform.identify() is Platform.Darwin:
                # On MacOS files being opened are handled as a QFileOpenEvent but since we don't
                # have a Main Window initialized we store them locally and we open them here.
                for filepath in self.pendingOpen:
                    self.openFile(filepath)
                self.pendingOpen = []
            else:
                # Perform document opening if files have been added to sys.argv. This is not
                # executed on Mac OS since this is already handled as a QFileOpenEvent instance.
                for filepath in argv:
                    self.openFile(filepath)

    ####################################################################################################################
    #                                                                                                                  #
    #   EVENTS                                                                                                         #
    #                                                                                                                  #
    ####################################################################################################################

    def event(self, event):
        """
        Executed when an event is received.
        :type event: T <= QEvent | QFileOpenEvent
        """
        if event.type() == QEvent.FileOpen:
            self.pendingOpen = [event.file()]
            return True
        return super().event(event)

    ####################################################################################################################
    #                                                                                                                  #
    #   INTERFACE                                                                                                      #
    #                                                                                                                  #
    ####################################################################################################################

    def activate(self):
        """
        Activate the application by raising the main window.
        """
        if self.mainwindow:
            self.mainwindow.setWindowState((self.mainwindow.windowState() & ~Qt.WindowMinimized) | Qt.WindowActive)
            self.mainwindow.activateWindow()
            self.mainwindow.raise_()

    def openFile(self, filepath):
        """
        Open the given file in the activation window.
        :type filepath: str
        :rtype: bool
        """
        if self.mainwindow:
            if not isEmpty(filepath) and os.path.isfile(filepath) and filepath.endswith(Filetype.Graphol.extension):
                self.mainwindow.openFile(filepath)
                return True
        return False

    def sendMessage(self, message):
        """
        Send a message to the other alive Eddy's process.
        :type message: str
        :rtype: bool
        """
        if self.outStream:
            self.outStream = self.outStream << message << '\n'
            self.outStream.flush()
            return self.outSocket.waitForBytesWritten()
        return False

    ####################################################################################################################
    #                                                                                                                  #
    #   SLOTS                                                                                                          #
    #                                                                                                                  #
    ####################################################################################################################

    @pyqtSlot()
    def newConnection(self):
        """
        Executed whenever a message is received.
        """
        if self.inSocket:
            # Disconnect previously connected signal slot.
            disconnect(self.inSocket.readyRead, self.readyRead)

        # Create a new socket.
        self.inSocket = self.server.nextPendingConnection()

        if self.inSocket:
            self.inStream = QTextStream(self.inSocket)
            self.inStream.setCodec('UTF-8')
            connect(self.inSocket.readyRead, self.readyRead)
            self.activate()

    @pyqtSlot()
    def readyRead(self):
        """
        Executed whenever we need to read a message.
        """
        while True:
            message = self.inStream.readLine()
            if isEmpty(message):
                break
            self.messageReceived.emit(message)

    @pyqtSlot(str)
    def readMessage(self, message):
        """
        Read a received message.
        :type message: str
        """
        for filepath in message.split(' '):
            self.openFile(filepath)
Exemple #43
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class MainForm(QDialog):
   def __init__(self, parent = None):
      QDialog.__init__(self, parent)
      
      # If a Nemu instance is already running, this is as far as we go
      self.connectToRunning()
      
      self.holdOpen = False
      self.menuItems = []
      self.allItems = []
      self.favorites = []
      self.currentItem = None
      self.menuFile = os.path.expanduser('~/.nemu/menu')
      self.favoritesFile = os.path.expanduser('~/.nemu/favorites')
      # NOTE: If you change this, also update migrate-settings
      self.settingsFile = os.path.expanduser('~/.nemu/settings')
      self.initSettings()

      self.server = QLocalServer()
      self.server.newConnection.connect(self.handleConnection)
      QLocalServer.removeServer('nemuSocket')
      self.server.listen('nemuSocket')
      
      self.configDir = os.path.expanduser('~/.nemu')
      if not os.path.isdir(self.configDir):
         os.mkdir(self.configDir)
      self.menuItems = self.loadConfig(self.menuFile, self.menuItems)
      self.favorites = self.loadConfig(self.favoritesFile, self.favorites)
      # Don't load directly into self.settings so we can add new default values as needed
      try:
         tempSettings = self.loadConfig(self.settingsFile, self.settings)
         for key, value in tempSettings.items():
            self.settings[key] = value
      except SystemError:
         print('ERROR: Failed to load settings. You may need to run migrate-settings.')
         raise
      # This should never happen, but unfortunately bugs do, so clean up orphaned items.
      # We need to do this because these items won't show up in the UI, but may interfere with
      # merges if they duplicate something that is being merged in.
      self.menuItems[:] = [i for i in self.menuItems if i.parent == None or i.parent in self.menuItems]
      # Look for broken icon paths
      needSave = False
      for i in self.menuItems + self.favorites:
          if not os.path.exists(i.icon):
              i.findIcon()
              needSave = True
      if needSave:
         self.saveMenu()


      for i in self.menuItems:
         if not hasattr(i, 'imported'):
            i.imported = False
      
      self.setupUI()
      
      self.setContextMenuPolicy(Qt.ActionsContextMenu)
      self.createMenu(self)
      
      self.refresh(False)
      
      if len(self.menuItems) == 0:
         self.firstRun()
      
      self.show()
      
      self.keepaliveTimer = QTimer(self)
      self.keepaliveTimer.timeout.connect(self.keepalive)
      self.keepaliveTimer.start(60000)
      
      
   def initSettings(self):
      self.settings = dict()
      self.settings['width'] = 400
      self.settings['height'] = 400
      self.settings['quit'] = False
      self.settings['imported'] = []
      self.settings['iconTheme'] = None
      
      
   def loadConfig(self, filename, default):
      if os.path.exists(filename):
         with open(filename, 'rb') as f:
            data = f.read().replace('PyQt4', 'PyQt5')
            return cPickle.loads(data)
      else:
         return default
      
      
   def setupUI(self):
      self.resize(self.settings['width'], self.settings['height'])
      self.setWindowFlags(Qt.FramelessWindowHint | Qt.CustomizeWindowHint | Qt.WindowStaysOnTopHint)
      #self.setWindowFlags(Qt.X11BypassWindowManagerHint)
      self.setWindowTitle('Nemu')
      self.setMouseTracking(True)
      
      iconPath = os.path.join(os.path.dirname(__file__), 'images')
      iconPath = os.path.join(iconPath, 'nemu.png')
      self.setWindowIcon(IconCache()[iconPath])
      
      self.place()
      
      self.buttonListLayout = QVBoxLayout(self)
      self.setMargins(self.buttonListLayout)
      
      self.buttonLayout = QHBoxLayout()
      self.setMargins(self.buttonLayout)
      
      # Settings and Filter box
      self.filterLayout = QHBoxLayout()
      self.settingsButton = QPushButton()
      self.settingsButton.setIcon(QIcon(iconPath))
      self.settingsButton.setMinimumHeight(35)
      self.settingsButton.clicked.connect(self.settingsClicked)
      self.filterLayout.addWidget(self.settingsButton, 0)
      
      self.filterLabel = QLabel("Filter")
      self.filterLayout.addWidget(self.filterLabel)
      
      self.filterBox = QLineEdit()
      self.filterBox.textChanged.connect(self.refresh)
      self.filterLayout.addWidget(self.filterBox)
      
      self.sizeGrip = QSizeGrip(self)
      self.sizeGrip.setMinimumSize(QSize(25, 25))
      self.filterLayout.addWidget(self.sizeGrip, 0, Qt.AlignRight | Qt.AlignTop)
      
      self.buttonListLayout.addLayout(self.filterLayout)
      
      # Top buttons and labels
      self.backButton = QPushButton('Favorites')
      self.backButton.setMinimumHeight(35)
      self.backButton.clicked.connect(self.backClicked)
      self.buttonLayout.addWidget(self.backButton, 1)
      
      self.currentLabel = QLabel()
      self.currentLabel.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
      self.buttonLayout.addWidget(self.currentLabel, 1)
      
      self.buttonListLayout.addLayout(self.buttonLayout, 0)
      
      # Menu item display
      self.listSplitter = QSplitter()
      self.buttonListLayout.addWidget(self.listSplitter, 1)
      
      self.leftList = ListWidget(self.clearListMouseOver)
      self.listSplitter.addWidget(self.leftList)
      
      self.rightList = ListWidget(self.clearListMouseOver)
      self.listSplitter.addWidget(self.rightList)
      
      # Has to be done after adding widgets to the splitter or the size will get reset again
      if 'splitterState' in self.settings:
         self.listSplitter.restoreState(self.settings['splitterState'])
      
   def setMargins(self, layout, margin = 0):
      layout.setSpacing(margin)
      layout.setContentsMargins(margin, margin, margin, margin)
      
      
   def createMenu(self, widget):
      addFavoriteAction = QAction('Add to Favorites', self)
      addFavoriteAction.triggered.connect(self.addFavoriteClicked)
      widget.insertAction(None, addFavoriteAction)
      addAction = QAction("New...", self)
      addAction.triggered.connect(self.newClicked)
      widget.insertAction(None, addAction)
      editAction = QAction("Edit...", self)
      editAction.triggered.connect(self.editClicked)
      widget.insertAction(None, editAction)
      deleteAction = QAction("Delete", self)
      deleteAction.triggered.connect(self.deleteClicked)
      widget.insertAction(None, deleteAction)
      
      
   def hideOrClose(self):
      if self.settings['quit']:
         self.close()
      else:
         self.hide()
         
   def closeEvent(self, event):
      self.saveSettings()
      
   def hideEvent(self, event):
      self.releaseMouse()
      self.saveSettings()
      
   def mouseMoveEvent(self, event):
      if self.hasMouse():
         self.releaseMouse()
      
   def leaveEvent(self, event):
      # If we set holdOpen, it means that we've opened a dialog, so we shouldn't grab
      if not self.hasMouse():
         self.grabMouse()
      
   def mousePressEvent(self, event):
      if not self.hasMouse():
         self.hideOrClose()
         
   def hasMouse(self):
      return self.geometry().contains(QCursor.pos())
         

   def saveSettings(self):
      self.settings['splitterState'] = self.listSplitter.saveState()
      self.settings['width'] = self.width()
      self.settings['height'] = self.height()
      with open(self.settingsFile, 'wb') as f:
         cPickle.dump(self.settings, f)
         
   def place(self):
      desktop = qApp.desktop()
      screenSize = desktop.availableGeometry(QCursor.pos())
      self.move(screenSize.x(), screenSize.y() + screenSize.height() - self.height())
         
         
   def newClicked(self):
      form = AddForm()
      
      self.holdOpen = True
      form.exec_()
      self.checkMouse()
      self.holdOpen = False
      
      if form.accepted:
         item = MenuItem()
         item.name = form.name
         item.command = form.command
         item.working = form.working
         item.folder = form.folder
         item.icon = form.icon
         item.findIcon()
         
         clicked = self.getClicked()
         if clicked:
            parent = clicked.item.parent
         elif self.leftList.mouseOver:
            if self.currentItem != None:
               parent = self.currentItem.parent
            else:
               parent = None
         else:
            parent = self.currentItem
         item.parent = parent
         
         self.menuItems.append(item)
         self.refresh()
      
   def editClicked(self):
      form = AddForm()
      clicked = self.getClicked()
      if clicked == None:
         return
      item = clicked.item
      
      form.name = item.name
      form.command = item.command
      form.working = item.working
      form.folder = item.folder
      form.icon = item.icon
      form.populateFields()
      
      self.holdOpen = True
      form.exec_()
      self.checkMouse()
      self.holdOpen = False
      
      if form.accepted:
         item.name = form.name
         item.command = form.command
         item.working = form.working
         item.folder = form.folder
         item.icon = form.icon
         item.imported = False
         item.findIcon()
         self.refresh()
         
         
   def checkMouse(self):
      if not self.hasMouse():
         self.grabMouse()
      
      
   def deleteClicked(self):
      clicked = self.getClicked()
      if clicked == None:
         return
      self.delete(clicked.item)
      self.refresh()
      
   # Delete item and all of its children so we don't leave around orphaned items
   def delete(self, item):
      for i in self.menuItems:
         if i.parent == item:
            i.deleted = True
      
      if item in self.menuItems:
         item.deleted = True
         item.imported = False
      if item in self.favorites:
         self.favorites.remove(item)
      
      
   def addFavoriteClicked(self):
      newFavorite = copy.copy(self.getClicked().item)
      newFavorite.parent = None
      self.favorites.append(newFavorite)
      self.refresh()
      
      
   def getClicked(self):
      for i in self.allItems:
         if i.mouseOver:
            return i
            
   def clearMouseOver(self):
      for i in self.allItems:
         i.mouseOver = False
         
   def clearListMouseOver(self):
      self.leftList.mouseOver = False
      self.rightList.mouseOver = False
      
      
   def refresh(self, save = True):
      self.leftList.clear()
      self.rightList.clear()
      self.allItems = []
      sortedLeft = []
      sortedRight = []
      self.updateFilter()
      
      if self.currentItem != None:
         currParent = self.currentItem.parent
         for i in self.menuItems:
            if i.parent == currParent and not i.deleted and i.matchedFilter:
               sortedLeft.append(i)
      else:
         for i in self.favorites:
            sortedLeft.append(i)
      
      for i in self.menuItems:
         if i.parent == self.currentItem and not i.deleted and i.matchedFilter:
            sortedRight.append(i)
            
      sortedLeft.sort(key = lambda x: x.name)
      sortedLeft.sort(key = lambda x: not x.folder)
      sortedRight.sort(key = lambda x: x.name)
      sortedRight.sort(key = lambda x: not x.folder)
      for i in sortedLeft:
         self.leftList.add(self.createItem(i))
      for i in sortedRight:
         self.rightList.add(self.createItem(i))
         
      if save:
         self.saveMenu()

   def saveMenu(self):
      # Save the current menu status
      with open(self.menuFile, 'wb') as f:
         cPickle.dump(self.menuItems, f)
      with open(self.favoritesFile, 'wb') as f:
         cPickle.dump(self.favorites, f)

   def createItem(self, item):
      newItem = ListItem(item, self.clearMouseOver)
      newItem.clicked.connect(self.itemClicked)
      self.allItems.append(newItem)
      return newItem
      
   def updateFilter(self):
      filterValue = str(self.filterBox.text())
      
      for i in self.menuItems:
         i.checkFilter(filterValue)
            
      
   def itemClicked(self):
      sender = self.sender()
      if sender.item.folder:
         self.setCurrentItem(sender.item)
         self.refresh(False)
      else:
         flags = ['f', 'F', 'u', 'U', 'd', 'D', 'n', 'N', 'i', 'k', 'v', 'm']
         command = sender.item.command
         for i in flags:
            command = command.replace('%' + i, '')
         # %c needs a proper value in some cases
         command = command.replace('%c', '"%s"' % sender.item.name)
         working = sender.item.working
         if not os.path.isdir(working):
            working = None
            
         # Need to redirect stdout and stderr so if the process writes something it won't fail
         with open(os.path.devnull, 'w') as devnull:
            Popen(command + '&', stdout=devnull, stderr=devnull, shell=True, cwd=working)
         self.hideOrClose()
         
         
   def backClicked(self):
      if self.currentItem:
         self.setCurrentItem(self.currentItem.parent)
         self.refresh(False)
         
         
   def setCurrentItem(self, item):
      self.currentItem = item
      if item != None:
         self.currentLabel.setText(item.name)
         if item.parent != None:
            self.backButton.setText(item.parent.name)
         else:
            self.backButton.setText('Favorites')
      else:
         self.currentLabel.setText('')
         self.backButton.setText('Favorites')
         
         
   def settingsClicked(self):
      form = SettingsForm(self)
      form.quitCheck.setChecked(self.settings['quit'])
      theme = self.settings.get('iconTheme')
      if theme:
         form.themeCombo.setCurrentIndex(form.themeCombo.findText(theme))
      
      self.holdOpen = True
      form.exec_()
      self.checkMouse()
      self.holdOpen = False
      
      if form.accepted:
         self.settings['quit'] = form.quitCheck.isChecked()
      
      
   def firstRun(self):
      QMessageBox.information(self, 'First Time?', 'Your menu is currently empty.  It is recommended that you import an existing menu file.')
      self.settingsClicked()
      
      
   def connectToRunning(self):
      self.socket = QLocalSocket()
      self.socket.connectToServer('nemuSocket')
      self.socket.waitForConnected(1000)
      
      if self.socket.state() == QLocalSocket.ConnectedState:
         print 'Server found'
         if self.socket.waitForReadyRead(3000):
            line = self.socket.readLine()
            print line
         else:
            print self.socket.errorString()
         sys.exit()
      else:
         print 'No server running'
      
      
   def handleConnection(self):
      import datetime
      print "Got connection", datetime.datetime.now()
      
      connection = self.server.nextPendingConnection()
      connection.write('connected')
      del connection
      
      self.setCurrentItem(None)
      self.filterBox.setText('')
      self.refresh(False)
      self.show()
      print "Showed", datetime.datetime.now()
      return
      
      
   # Call periodically to keep data resident in memory (hopefully)
   def keepalive(self):
      if self.isHidden():
         self.refresh(False)
Exemple #44
0
class SingleApplicationClient(object):
    """
    Class implementing the single application client base class.
    """
    def __init__(self, name):
        """
        Constructor
        
        @param name name of the local server to connect to (string)
        """
        self.name = name
        self.connected = False
        
    def connect(self):
        """
        Public method to connect the single application client to its server.
        
        @return value indicating success or an error number. Value is one of:
            <table>
                <tr><td>0</td><td>No application is running</td></tr>
                <tr><td>1</td><td>Application is already running</td></tr>
            </table>
        """
        self.sock = QLocalSocket()
        self.sock.connectToServer(self.name)
        if self.sock.waitForConnected(10000):
            self.connected = True
            return 1
        else:
            err = self.sock.error()
            if err == QLocalSocket.ServerNotFoundError:
                return 0
            else:
                return -err
        
    def disconnect(self):
        """
        Public method to disconnect from the Single Appliocation server.
        """
        self.sock.disconnectFromServer()
        self.connected = False
    
    def processArgs(self, args):
        """
        Public method to process the command line args passed to the UI.
        
        <b>Note</b>: This method must be overridden by subclasses.
        
        @param args command line args (list of strings)
        @exception RuntimeError raised to indicate that this method must be
            implemented by a subclass
        """
        raise RuntimeError("'processArgs' must be overridden")
    
    def sendCommand(self, cmd):
        """
        Public method to send the command to the application server.
        
        @param cmd command to be sent (string)
        """
        if self.connected:
            self.sock.write(cmd)
            self.sock.flush()
        
    def errstr(self):
        """
        Public method to return a meaningful error string for the last error.
        
        @return error string for the last error (string)
        """
        return self.sock.errorString()
class QtSingleApplication(QApplication):

    messageReceived = pyqtSignal(str)

    def __init__(self, id, *argv):

        super(QtSingleApplication, self).__init__(*argv)
        self._id = id
        self._activationWindow = None
        self._activateOnMessage = False

        # Is there another instance running?
        self._outSocket = QLocalSocket()
        self._outSocket.connectToServer(self._id)
        self._isRunning = self._outSocket.waitForConnected()

        if self._isRunning:
            # Yes, there is.
            self._outStream = QTextStream(self._outSocket)
            self._outStream.setCodec("UTF-8")
        else:
            # No, there isn't.
            self._outSocket = None
            self._outStream = None
            self._inSocket = None
            self._inStream = None
            self._server = QLocalServer()
            self._server.listen(self._id)
            self._server.newConnection.connect(self._onNewConnection)

    def isRunning(self):
        return self._isRunning

    def id(self):
        return self._id

    def activationWindow(self):
        return self._activationWindow

    def setActivationWindow(self, activationWindow, activateOnMessage=True):
        self._activationWindow = activationWindow
        self._activateOnMessage = activateOnMessage

    def activateWindow(self):
        if not self._activationWindow:
            return

        self._activationWindow.show()
        self._activationWindow.setWindowState(self._activationWindow.windowState() & ~Qt.WindowMinimized)
        self._activationWindow.raise_()
        self._activationWindow.activateWindow()

    def sendMessage(self, msg):
        if not self._outStream:
            return False
        self._outStream << msg << "\n"
        self._outStream.flush()
        return self._outSocket.waitForBytesWritten()

    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._inStream.setCodec("UTF-8")
        self._inSocket.readyRead.connect(self._onReadyRead)
        if self._activateOnMessage:
            self.activateWindow()

    def _onReadyRead(self):
        while True:
            msg = self._inStream.readLine()
            if not msg:
                break
            self.messageReceived.emit(msg)