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()
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(-1)
if self._isRunning:
# Yes, there is.
self._outStream = QTextStream(self._outSocket)
self._outStream.setCodec('UTF-8')
else:
# No, there isn't.
# First we remove existing servers of that name that might not have been properly closed as the server died
QLocalServer.removeServer(self._id)
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 __init__(self, id, *argv):
super().__init__(*argv)
self._id = id
if sys.platform.startswith('linux'):
self.setStyle('Fusion')
# 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.removeServer(self._id)
self._server.listen(self._id)
self._server.newConnection.connect(self._onNewConnection)
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
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
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
def __init__(self, *args, **kwargs):
# logger.debug("{} init...".format(self.__class__.__name__))
super(QSingleApplication, self).__init__(*args, **kwargs)
# 使用路径作为appid
# appid = QApplication.applicationFilePath().lower().split("/")[-1]
# 使用固定的appid
appid = "SHL_LHX_Wallet"
# logger.debug("{} appid name: {}".format(self.__class__.__name__,appid))
# self._socketName = "qtsingleapp-" + appid
self._socketName = appid
# print("socketName", self._socketName)
self._activationWindow = None
self._activateOnMessage = False
self._socketServer = None
self._socketIn = None
self._socketOut = None
self._running = False
# 先尝试连接
self._socketOut = QLocalSocket(self)
self._socketOut.connectToServer(self._socketName)
self._socketOut.error.connect(self.handleError)
self._running = self._socketOut.waitForConnected()
# logger.debug("local socket connect error: {}".format(self._socketOut.errorString()))
if not self._running: # 程序未运行
# logger.debug("start init QLocalServer.")
self._socketOut.close()
del self._socketOut
self._socketServer = QLocalServer(self)
# 设置连接权限
self._socketServer.setSocketOptions(QLocalServer.UserAccessOption)
self._socketServer.listen(self._socketName)
self._socketServer.newConnection.connect(self._onNewConnection)
self.aboutToQuit.connect(self.removeServer)
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 __init__(self, *args, **kwargs):
super(QSingleApplication, self).__init__(*args, **kwargs)
appid = QApplication.applicationFilePath().lower().split("/")[-1]
self._socketName = "qtsingleapp-" + appid
print("socketName", self._socketName)
self._activationWindow = None
self._activateOnMessage = False
self._socketServer = None
self._socketIn = None
self._socketOut = None
self._running = False
# 先尝试连接
self._socketOut = QLocalSocket(self)
self._socketOut.connectToServer(self._socketName)
self._socketOut.error.connect(self.handleError)
self._running = self._socketOut.waitForConnected()
if not self._running: # 程序未运行
self._socketOut.close()
del self._socketOut
self._socketServer = QLocalServer(self)
self._socketServer.listen(self._socketName)
self._socketServer.newConnection.connect(self._onNewConnection)
self.aboutToQuit.connect(self.removeServer)
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
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")
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()
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
def __init__(self, timeout=2000, size=2**28):
self.app = QCoreApplication.instance()
if self.app is None:
self.app = QCoreApplication([])
self.sock = QLocalSocket()
self.sock.connectToServer("LivePlot")
if not self.sock.waitForConnected():
raise EnvironmentError("Couldn't find LivePlotter instance")
self.sock.disconnected.connect(self.disconnect_received)
key = str(uuid.uuid4())
self.shared_mem = QSharedMemory(key)
if not self.shared_mem.create(size):
raise Exception("Couldn't create shared memory %s" %
self.shared_mem.errorString())
logging.debug('Memory created with key %s and size %s' %
(key, self.shared_mem.size()))
self.sock.write(key.encode())
self.sock.waitForBytesWritten()
self.is_connected = True
self.timeout = timeout
atexit.register(self.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()
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 __init__(self, id, *argv):
super(QSingleApplication, self).__init__(*argv)
self._id = id
self._activationWindow = None
self._activateOnMessage = False
self._server = None
# Is there another instance running?
self._outSocket = QLocalSocket()
self._outSocket.connectToServer(self._id)
self._outSocket.error.connect(self.handleError)
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)
self.aboutToQuit.connect(self.removeServer)
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 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)
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
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
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()
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
def connect(cls, single=False):
"""连接启动器
:param single: 如果是单实例则客户端必须由启动器启动
"""
name = os.environ.get('SplashConnectName', None)
if not name:
if single:
# 单实例客户端必须由启动器启动
sys.exit(-1)
return
cls.client = QLocalSocket()
cls.client.connectToServer(name)
def test_other_error(self, ipc_server, monkeypatch):
socket = QLocalSocket()
ipc_server._socket = socket
monkeypatch.setattr(socket, 'error',
lambda: QLocalSocket.ConnectionRefusedError)
monkeypatch.setattr(socket, 'errorString',
lambda: "Connection refused")
socket.setErrorString("Connection refused.")
with pytest.raises(ipc.Error, match=r"Error while handling IPC "
r"connection: Connection refused \(error 0\)"):
ipc_server.on_error(QLocalSocket.ConnectionRefusedError)
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_()
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.")
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 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
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
