def save_dictproxy(pickler, obj):
log.info("Dp: %s" % obj)
attr = obj.get('__dict__')
#pickler.save_reduce(_create_dictproxy, (attr,'nested'), obj=obj)
if type(attr) == GetSetDescriptorType and attr.__name__ == "__dict__" \
and getattr(attr.__objclass__, "__dict__", None) == obj:
pickler.save_reduce(getattr, (attr.__objclass__, "__dict__"),
obj=obj)
log.info("# Dp")
return
# all bad below... so throw ReferenceError or TypeError
from weakref import ReferenceError
raise ReferenceError("%s does not reference a class __dict__" % obj)
def _locate_object(address, module=None):
"""get object located at the given memory address (inverse of id(obj))"""
special = [None, True, False] #XXX: more...?
for obj in special:
if address == id(obj): return obj
if module:
if PY3:
objects = iter(module.__dict__.values())
else:
objects = module.__dict__.itervalues()
else: objects = iter(gc.get_objects())
for obj in objects:
if address == id(obj): return obj
# all bad below... nothing found so throw ReferenceError or TypeError
from weakref import ReferenceError
try: address = hex(address)
except TypeError:
raise TypeError("'%s' is not a valid memory address" % str(address))
raise ReferenceError("Cannot reference object at '%s'" % address)
def __eq__(self, other):
if isinstance(other, WeakMethodProxy):
a, b = self.weak_method(), other.weak_method()
if a is None or b is None:
raise ReferenceError("weakly-referenced object no longer exists")
return a == b
