def __init__(self, type, default=None, nillable=False):
if default is None and not nillable:
raise TypeError("default must be specified if object is not nillable")
self.type = type
self.default = default
self.nillable = nillable
self.values = weakobjectmap()
self.oldvalues = weakobjectmap()
self.dirty = weakobjectmap()
self.lock = Lock()
def __init__(self, type, default=None, nillable=False):
if default is None and not nillable:
raise TypeError("default must be specified if object is not nillable")
self.type = type
self.default = default
self.nillable = nillable
self.values = weakobjectmap()
self.oldvalues = weakobjectmap()
self.dirty = weakobjectmap()
self.lock = Lock()
class ObserverWeakrefProxy(object):
"""
A proxy that allows an observer to be weakly referenced and automatically
removes any remaining registrations that the observer didn't clean itself
before its reference count dropped to zero.
"""
implements(IObserver)
observer_map = weakobjectmap()
lock = Lock()
def __new__(cls, observer):
if not IObserver.providedBy(observer):
raise TypeError('observer must implement the IObserver interface')
with cls.lock:
if observer in cls.observer_map:
return cls.observer_map[observer]
instance = object.__new__(cls)
instance.observer_ref = weakref.ref(observer, instance.cleanup)
cls.observer_map[observer] = instance
return instance
# noinspection PyUnusedLocal
def cleanup(self, ref):
# remove all observer's remaining registrations (the ones that the observer didn't remove itself)
for notification_center in NotificationCenter.__instances__.itervalues(
):
notification_center.purge_observer(self)
def handle_notification(self, notification):
observer = self.observer_ref()
if observer is not None:
observer.handle_notification(notification)
def __init__(self, name, type, required=False, test_equal=True, onset=None, ondel=None):
self.name = name
self.type = type
self.required = required
self.test_equal = test_equal
self.onset = onset
self.ondel = ondel
self.values = weakobjectmap()
def __init__(self, name, type, required=False, test_equal=True, onset=None, ondel=None):
self.name = name
self.type = type
self.required = required
self.test_equal = test_equal
self.onset = onset
self.ondel = ondel
self.values = weakobjectmap()
def __init__(self, name, xmlname=None, type=unicode, default=None, required=False, test_equal=True, onset=None, ondel=None):
self.name = name
self.xmlname = xmlname or name
self.type = type
self.default = default
self.__xmlparse__ = getattr(type, '__xmlparse__', lambda value: value)
self.__xmlbuild__ = getattr(type, '__xmlbuild__', unicode)
self.required = required
self.test_equal = test_equal
self.onset = onset
self.ondel = ondel
self.values = weakobjectmap()
def __init__(cls, name, bases, dct):
super(SettingsGroupMeta, cls).__init__(name, bases, dct)
cls.values = weakobjectmap()
def __init__(self, type):
self.type = type
self.values = weakobjectmap()
self.lock = Lock()
def __init__(self, func):
self.__func__ = func
self.__callmap__ = weakobjectmap()
self.__callmap__[func] = False
self.lock = RLock()
def __init__(self):
self.values = weakobjectmap()
def __init__(self):
self.object_map = weakobjectmap()
def __init__(self):
self.values = weakobjectmap()
def __init__(cls, name, bases, dct):
super(SettingsGroupMeta, cls).__init__(name, bases, dct)
cls.values = weakobjectmap()
def __init__(self, type):
self.type = type
self.values = weakobjectmap()
self.lock = Lock()
def __init__(self):
self.object_map = weakobjectmap()
def __init__(self, func):
self.__func__ = func
self.__callmap__ = weakobjectmap()
self.__callmap__[func] = False
self.lock = RLock()
