def _bind(self, feature, jid):
## Bindings are made with weak references to keep the
## book-keeping overhead in the core and plugins to a minimum.
wr = weakref.KeyedRef(feature, self._remove, jid)
if self._bound.setdefault(jid, wr)() is not feature:
raise i.IQError('cancel', 'conflict')
self._routes[jid.bare].add(jid)
return jid
def add_property(self, cls, prop, attr_name):
"""Register property of C{cls} so that it may be found by C{get()}.
"""
suffix = cls.__module__.split(".")
suffix.append(cls.__name__)
suffix.reverse()
suffix = ".%s." % ".".join(suffix)
prop_ref = weakref.KeyedRef(prop, self._remove, None)
pair = (attr_name + suffix, prop_ref)
prop_ref.key = pair
insort_left(self._properties, pair)
def push(cls, key, maxsize=None, timeout=None):
maxsize = maxsize or cls.maxsize
timeout = timeout or cls.timeout
with cls.lock:
limiter = cls._get_limiter(key)
if limiter is None:
limiter = cls._limiterFactory()
cls._limiters[key] = weakref.KeyedRef(limiter, cls._clear, key)
try:
limiter.push(timeout=timeout, maxsize=maxsize)
except LimiterFull:
raise LimiterFull(-1, (cls, key))
return limiter
def add_class(self, cls):
"""Register properties of C{cls} so that they may be found by C{get()}.
"""
suffix = cls.__module__.split(".")
suffix.append(cls.__name__)
suffix.reverse()
suffix = ".%s." % ".".join(suffix)
cls_info = get_cls_info(cls)
for attr in cls_info.attributes:
prop = cls_info.attributes[attr]
prop_ref = weakref.KeyedRef(prop, self._remove, None)
pair = (attr + suffix, prop_ref)
prop_ref.key = pair
insort_left(self._properties, pair)
