Python QLocalSocket.writeData方法代码示例

# 需要导入模块: from PyQt5.QtNetwork import QLocalSocket [as 别名]
# 或者: from PyQt5.QtNetwork.QLocalSocket import writeData [as 别名]
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

# 需要导入模块: from PyQt5.QtNetwork import QLocalSocket [as 别名]
# 或者: from PyQt5.QtNetwork.QLocalSocket import writeData [as 别名]
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

# 需要导入模块: from PyQt5.QtNetwork import QLocalSocket [as 别名]
# 或者: from PyQt5.QtNetwork.QLocalSocket import writeData [as 别名]
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