def __init__(self, appName):
QApplication.__init__(self, sys.argv)
if self._initialized:
return
qt4reactor.install()
OTPApplication._appName = appName
OTPApplication._nodeName = buildNodeName(self._appName, randomize=True)
OTPApplication._process = twotp.Process(self._nodeName, self._cookie)
QTimer.singleShot(0, self._startup)
OTPApplication._initialized = True
def spawnErlangNode(cls, runApp, nodeName=None, randomize=False):
if cls._erlProcess is not None:
raise RuntimeError("spawning more than one Erlang node is not supported.")
sname = buildNodeName(nodeName if nodeName else runApp, randomize)
cls._nameServer = sname
args = ["-config", "forse",
"-noinput",
"-pa", "ebin",
"-setcookie", cls._cookie,
"-sname", sname,
"-run", runApp]
cls._erlProcess = QProcess()
cls._erlProcess.setProcessChannelMode(QProcess.ForwardedChannels)
cls._erlProcess.start(cls._erlBinary, args, QProcess.ReadOnly)
return cls._erlProcess.waitForStarted(10000)
