本文整理汇总了Python中spyderlib.qt.QtGui.QApplication.instance方法的典型用法代码示例。如果您正苦于以下问题：Python QApplication.instance方法的具体用法？Python QApplication.instance怎么用？Python QApplication.instance使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类spyderlib.qt.QtGui.QApplication的用法示例。
在下文中一共展示了QApplication.instance方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from spyderlib.qt.QtGui import QApplication [as 别名]
# 或者: from spyderlib.qt.QtGui.QApplication import instance [as 别名]
def __init__(self, target, executable=None, name=None,
extra_args=None, libs=None, cwd=None, env=None):
super(AsyncClient, self).__init__()
self.executable = executable or sys.executable
self.extra_args = extra_args
self.target = target
self.name = name or self
self.libs = libs
self.cwd = cwd
self.env = env
self.is_initialized = False
self.closing = False
self.context = zmq.Context()
QApplication.instance().aboutToQuit.connect(self.close)
# Set up the heartbeat timer.
self.timer = QTimer(self)
self.timer.timeout.connect(self._heartbeat)
self.timer.start(HEARTBEAT)示例2: qapplication
# 需要导入模块: from spyderlib.qt.QtGui import QApplication [as 别名]
# 或者: from spyderlib.qt.QtGui.QApplication import instance [as 别名]
def qapplication(translate=True):
"""Return QApplication instance
Creates it if it doesn't already exist"""
app = QApplication.instance()
if not app:
# Set Application name for Gnome 3
# https://groups.google.com/forum/#!topic/pyside/24qxvwfrRDs
app = QApplication(['Spyder'])
if translate:
install_translator(app)
return app示例3: start
# 需要导入模块: from spyderlib.qt.QtGui import QApplication [as 别名]
# 或者: from spyderlib.qt.QtGui.QApplication import instance [as 别名]
def start(self):
"""Start a new connection with the plugin.
"""
self._initialized = False
plugin_name = self.plugin_name
self.sock, server_port = connect_to_port()
self.sock.listen(2)
QApplication.instance().aboutToQuit.connect(self.close)
self.process = QProcess(self)
self.process.setWorkingDirectory(os.path.dirname(__file__))
processEnvironment = QProcessEnvironment()
env = self.process.systemEnvironment()
python_path = imp.find_module('spyderlib')[1]
# Use the current version of the plugin provider if possible.
try:
provider_path = imp.find_module(self.plugin_name)[1]
python_path = os.sep.join([python_path, provider_path])
except ImportError:
pass
env.append("PYTHONPATH=%s" % python_path)
for envItem in env:
envName, separator, envValue = envItem.partition('=')
processEnvironment.insert(envName, envValue)
self.process.setProcessEnvironment(processEnvironment)
p_args = ['-u', 'plugin_server.py', str(server_port), plugin_name]
self.listener = PluginListener(self.sock)
self.listener.request_handled.connect(self.request_handled.emit)
self.listener.initialized.connect(self._on_initialized)
self.listener.start()
self.process.start(self.executable, p_args)
self.process.finished.connect(self._on_finished)
running = self.process.waitForStarted()
if not running:
raise IOError('Could not start plugin %s' % plugin_name)