def work(self):
obj = self.obj()
wrapped = self.wrapped()
if obj is not None and wrapped is not None:
from public import get_wrapper
to = set(get_wrapper(wrapped))
self.fn(wrapped, to, obj)
def unsubscribe(self, obj):
wr = get_wrapper(obj)
self._unsubscribe(wr)
keys = wr._unsubscribe(self)
keys.append(self._names[wr])
for key in keys:
self._dict.pop(key, None)
def __setitem__(self, key, obj):
wr = get_wrapper(obj)
self._names[wr] = key
self._subscribe(wr)
keys = wr._subscribe(self)
keys.append(key)
assert not(key != '_' and key in self._dict), 'same name'
for key in keys:
self._dict[key] = wr.obj
return obj
def wrapper(self, *args, **kwargs):
to = kwargs.pop('to', None)
if to is None:
to = set(get_wrapper(self))
elif isinstance(to, base.Wrapper):
to = set(to)
elif isinstance(to, base.Subscriber):
to = set((to,))
else: raise
if not to:
return
fn(self, to, *args, **kwargs)
def wrapper(self, *args, **kwargs):
if params['Wrapper'] is not False:
wr = get_wrapper(self, True)
if wr is None or wr.obj is None:
params['Wrapper'](self)
old_init(self, *args, **kwargs)