def __init__(self, doc=None):
if doc:
self.__doc__ = doc
self.receivers = {}
self._by_receiver = defaultdict(set)
self._by_sender = defaultdict(set)
self._weak_senders = {}
def __init__(self, doc=None):
"""
:param doc: optional. If provided, will be assigned to the signal's
__doc__ attribute.
"""
if doc:
self.__doc__ = doc
#: A mapping of connected receivers.
#:
#: The values of this mapping are not meaningful outside of the
#: internal :class:`Signal` implementation, however the boolean value
#: of the mapping is useful as an extremely efficient check to see if
#: any receivers are connected to the signal.
self.receivers = {}
self._by_receiver = defaultdict(set)
self._by_sender = defaultdict(set)
self._weak_senders = {}
def __init__(self, doc=None):
"""
:param doc: optional. If provided, will be assigned to the signal's
__doc__ attribute.
"""
if doc:
self.__doc__ = doc
#: A mapping of connected receivers.
#:
#: The values of this mapping are not meaningful outside of the
#: internal :class:`Signal` implementation, however the boolean value
#: of the mapping is useful as an extremely efficient check to see if
#: any receivers are connected to the signal.
self.receivers = {}
self._by_receiver = defaultdict(set)
self._by_sender = defaultdict(set)
self._weak_senders = {}
def _by_sender(self):
return self.local.__dict__.setdefault("_by_sender", defaultdict(set))
