def __init__(self, origin):
self.origin = origin
self.dct = dict(
__metachao_aspects__=getattr(origin, '__metachao_aspects__', [])[:]
)
if utils.isclass(origin):
# Aspect application does not change the name. This can
# lead to messages like "... expects a.A not a.A".
self.name = origin.__name__
self.baseclasses = (origin,)
self.type = type(origin)
# Aspect application does not change the module. If that
# is not what you want, consider subclassing first.
# XXX: it totally should indicate that sth is different
#self.dct['__module__'] = origin.__module__
self.dct['__doc__'] = origin.__doc__
else:
# we are pretty much creating an object that uses origin
# as prototype.
self.name = "Prototyper:%s" % (origin.__class__.__name__,)
self.baseclasses = ()
self.type = type
# bound methods found on origin, except if blacklisted
blacklist = (
'__class__', '__delattr__', '__doc__', '__format__',
'__getattribute__', '__hash__',
'__init__', '__metachao_origin__',
'__metachao_prototype__', '__new__', '__reduce__',
'__reduce_ex__', '__repr__', '__setattr__',
'__sizeof__', '__str__', '__subclasshook__',
)
self.dct.update(((k, getattr(origin, k))
for k, v in getmembers(origin)
if callable(v) and not k in blacklist))
# properties bound to origin for all properties found on
# origin's class
self.dct.update(((k, prototype_property(origin, v))
for k, v in getmembers(origin.__class__)
if type(v) is property))
# getattr fallback to origin, setattr and delattr on new
self.dct['__getattr__'] = lambda _, name: getattr(origin, name)
# empty __init__ needed if a later aspect plumbs it
self.dct['__init__'] = lambda *a, **kw: None
self.dct['__metachao_prototype__'] = origin
self.dct['__doc__'] = origin.__doc__
if '__metachao_effective__' in getattr(origin, '__dict__', ()):
self.dct['__metachao_effective__'] = \
origin.__metachao_effective__.copy()
def __init__(self, origin, **kw):
self.origin = origin
self.kw = kw
self.dct = dict()
if isclass(origin):
self.name = origin.__name__
blacklist = DICT_KEYS_OF_PLAIN_CLASS + [
'__metachao_origin__',
]
self.dct.update(((k, v)
for k, v in origin.__dict__.iteritems()
if k not in blacklist))
# XXX: fix naming (also see self.baseclasses)
self.bases = Bases(origin)
self.baseclasses = origin.__bases__
self.type = type(origin)
self.dct['__metachao_origin__'] = origin
else:
# we are pretty much creating an object that uses origin
# as prototype.
self.name = "Prototyper"
self.baseclasses = ()
self.type = type
# bound methods found on origin, except if blacklisted
blacklist = (
'__class__', '__delattr__', '__doc__', '__format__',
'__getattr__', '__getattribute__', '__hash__',
'__init__', '__metachao_origin__',
'__metachao_prototype__', '__new__', '__reduce__',
'__reduce_ex__', '__repr__', '__setattr__',
'__sizeof__', '__str__', '__subclasshook__',
)
self.dct.update(((k, getattr(origin, k))
for k, v in getmembers(origin)
if callable(v) and not k in blacklist))
# properties bound to origin for all properties found on
# origin's class
self.dct.update(((k, prototype_property(origin, v))
for k, v in getmembers(origin.__class__)
if type(v) is property))
# getattr fallback to origin, setattr and delattr on new
self.dct['__getattr__'] = lambda _, name: getattr(origin, name)
# empty __init__ needed if a later aspects plumbs it
self.dct['__init__'] = lambda *a, **kw : None
self.dct['__metachao_prototype__'] = origin
