def ref(self, key):
try:
hash(key)
except TypeError:
return self._iddict, Hashable(key) # key is not hashable
try:
weakref.ref(key)
except TypeError:
return self._regdict, key # key cannot be weakly ref'ed
else:
return self._weakdict, key # normal case
def see_instance(self, x):
assert isinstance(x, self.classdesc.pyobj)
key = Hashable(x)
if key in self.instances_seen:
return
self.instances_seen.add(key)
self.bookkeeper.event('mutable', x)
source = InstanceSource(self.bookkeeper, x)
def delayed():
for attr in source.all_instance_attributes():
self.add_source_for_attribute(attr, source)
# ^^^ can trigger reflowing
self._see_instance_flattenrec(delayed)
def __init__(self, value, concretetype=None):
Hashable.__init__(self, value)
if concretetype is not None:
self.concretetype = concretetype
def __init__(self, value, concretetype=None):
Hashable.__init__(self, value)
if concretetype is not None:
self.concretetype = concretetype
def __hash__(self):
return hash((self.__class__, self.type, Hashable(self.instance)))