def __init__(self, obj, callback=None, **kwargs): #{{{
self.__name__ = getattr(obj, '__name__', 'UnnamedCallable')
isw = needs_wrapping(obj)
obj = callableobj(obj)
if not obj:
raise TypeError('Argument must be a valid callable object')
elif callback is not None and not iscallable(callback):
raise TypeError('callback argument must be a callable object')
self._object = None
self._function = None
self._newcall = self.call
self._numargs, self._maxargs = num_static_args(obj)
isweak = bool(kwargs.get('weak', True))
if isw:
isweak = False
mtype = methodtype(obj)
self._methodtype = mtype
if mtype not in (METHODTYPE_NOTMETHOD, METHODTYPE_UNBOUND):
o = obj.im_class
if mtype == METHODTYPE_INSTANCE:
o = obj.im_self
self._object = cref(o, callback, weak=isweak)
self._function = obj.im_func
else:
self._function = cref(obj, callback, weak=isweak)
self._funcid = cid(obj)
def fset(self, val): #{{{
vars = self._vars
if vars['sigfunc'] is not None:
raise ValueError("Can only set 'signalfunc' property once")
if not iscallable(val) or getattr(val, 'signal', None) is not self:
raise TypeError('Attempt to set invalid signalfunc')
vars['sigfunc'] = cref(val)