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from PyQt4 import QtCore
_oldConnect = QtCore.QObject.connect
_oldDisconnect = QtCore.QObject.disconnect
_oldEmit = QtCore.QObject.emit
def _wrapConnect(callableObject):
"""
Returns a wrapped call to the old version of QtCore.QObject.connect
"""
@staticmethod
def call(*args):
callableObject(*args)
_oldConnect(*args)
return call
def _wrapDisconnect(callableObject):
"""
Returns a wrapped call to the old version of QtCore.QObject.disconnect
"""
@staticmethod
def call(*args):
callableObject(*args)
_oldDisconnect(*args)
return call
def enableSignalDebugging(**kwargs):
"""
Call this to enable Qt Signal debugging. This will trap all
connect, and disconnect calls.
"""
f = lambda *args: None
connectCall = kwargs.get('connectCall', f)
disconnectCall = kwargs.get('disconnectCall', f)
emitCall = kwargs.get('emitCall', f)
def printIt(msg):
def call(*args):
print msg, args
return call
QtCore.QObject.connect = _wrapConnect(connectCall)
QtCore.QObject.disconnect = _wrapDisconnect(disconnectCall)
def new_emit(self, *args):
emitCall(self, *args)
_oldEmit(self, *args)
QtCore.QObject.emit = new_emit
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