def settings(func): #{{{
     signal = getattr(func, 'signal', None)
     if isinstance(signal, DecoSignalExtension) and isinstance(signal, BaseSignal):
         DecoSignalFunction = func
     elif not _isf(func) and not isclass(func):
         raise TypeError('argument must be a python function or a python class')
     else:
         signal = mkdeco(func, opt)
         args, vargs, vkeys, defaults = spec = cgetargspec(func)
         code_args = args + [v for v in (vargs, vkeys) if v != None]
         fcode = Code(CodeList(), (), code_args, bool(vargs), bool(vkeys), True, 'f', '<dynamic decorator signal function>', 1, None)
         fcode.code[:] = ([(SetLineno, 2), (LOAD_GLOBAL, 'signal')] + bp_call_args(*spec) + 
                         [(RETURN_VALUE, None)])
         DecoSignalFunction = newfunction(fcode.to_code(), locals(), 'DecoSignalFunction', default_argvals(args, defaults))
     d = DecoSignalFunction
     d = wraps(func)(d)
     d.signal = signal
     signal.signalfunc = d
     for n in signal.decorators:
         setattr(d, n, getattr(signal, n))
     opt['MAKE_SIGNAL'] = 1
     return global_settings(d, **opt)(d)
 def _func_settings(self, func): #{{{
     global_settings = self._vars['global_settings']
     mk_sig = global_settings.pop('MAKE_SIGNAL', 0)
     s = self._csettings()
     options = self._func_settings_options(s, global_settings)
     block = self._blocked_func_settings()
     custom_block = self._custom_blocked_func_settings
     news = dict((k, v) for k, v in s.iteritems() if k not in block and not custom_block(k))
     ism = bool(s.get('ismethod', False))
     istup = isinstance(func, tuple)
     meth_app = self._vars['methods'].append
     # Add to methods var so callfunc can process both
     # conditional callables and target callables
     if ism:
         callmeth = bool(s.get('callmethod', False))
         if callmeth and not mk_sig:
             if options['overload']:
                 raise ValueError("Keywords 'overload' and 'callmethod' cannot be True at the same time")
             func_obj = func[1] if istup else func
             name, vardict = func_obj.__name__, dict()
             # Low-level function creation to avoid use of exec
             # which allows turning this class into a builtin type
             args, vargs, vkeys, defaults = spec = cgetargspec(func_obj)
             code_args = args + [v for v in (vargs, vkeys) if v != None]
             fcode = Code(CodeList(), (), code_args, bool(vargs), bool(vkeys), True, 'f', '<dyn>', 1, None)
             fcode.code[:] = ([(SetLineno, 2), (LOAD_GLOBAL, 'getattr'),
                               (LOAD_FAST, 'self'), (LOAD_CONST, name),
                               (CALL_FUNCTION, 2),
                             ] + bp_call_args(callmethod=True, *spec) + 
                             [(RETURN_VALUE, None)])
             f = newfunction(fcode.to_code(), dict(getattr=getattr), 'f', default_argvals(args, defaults))
             func = (func[0], f) if istup else f
         if istup:
             for f in func:
                 meth_app(f)
         else:
             meth_app(func)
     return func, news, options