def disconnect(self, slot):
""" Disconnect the slot from the signal.
If the slot was not previously connected, this is a no-op.
Parameters
----------
slot : callable
The callable slot to disconnect from the signal.
"""
if isinstance(slot, MethodType) and slot.im_self is not None:
slot = CallableRef(WeakMethod(slot))
_Disconnector(self._signal, self._objref)(slot)
def disconnect(self, slot):
""" Disconnect the slot from the signal.
If the slot was not previously connected, this is a no-op.
Parameters
----------
slot : callable
The callable slot to disconnect from the signal.
"""
if isinstance(slot, MethodType) and slot.im_self is not None:
slot = CallableRef(WeakMethod(slot))
_Disconnector(self._signal, self._objref)(slot)
def connect(self, slot):
""" Connect the given slot to the signal.
The slot will be called when the signal is emitted. It will be
passed any positional and keyword arguments that were emitted
with the signal. Multiple slots connected to a signal will be
invoked in the order in which they were connected. Slots which
are instance methods will be automatically disconnected when
their underlying instance is garbage collected.
Parameters
----------
slot : callable
The callable slot to invoke when the signal is emitted.
"""
obj = self._objref()
if obj is None:
return
dct = obj.__dict__
key = _SIGNALS_KEY
if key in dct:
signals = dct[key]
else:
signals = dct[key] = {}
signal = self._signal
if signal in signals:
slots = signals[signal]
d = slots[0]
else:
d = _Disconnector(signal, self._objref)
slots = signals[signal] = [d]
if isinstance(slot, MethodType) and slot.im_self is not None:
slot = CallableRef(WeakMethod(slot), d)
slots.append(slot)
def connect(self, slot):
""" Connect the given slot to the signal.
The slot will be called when the signal is emitted. It will be
passed any positional and keyword arguments that were emitted
with the signal. Multiple slots connected to a signal will be
invoked in the order in which they were connected. Slots which
are instance methods will be automatically disconnected when
their underlying instance is garbage collected.
Parameters
----------
slot : callable
The callable slot to invoke when the signal is emitted.
"""
obj = self._objref()
if obj is None:
return
dct = obj.__dict__
key = _SIGNALS_KEY
if key in dct:
signals = dct[key]
else:
signals = dct[key] = {}
signal = self._signal
if signal in signals:
slots = signals[signal]
d = slots[0]
else:
d = _Disconnector(signal, self._objref)
slots = signals[signal] = [d]
if isinstance(slot, MethodType) and slot.im_self is not None:
slot = CallableRef(WeakMethod(slot), d)
slots.append(slot)
