class ABase(with_metaclass(ABaseMeta, object)):
"""abstract base class which introduces a nice constructor for the model classes."""
def __init__(self, *args, **kw):
""" create a model object.
pass attributes by using named parameters, e.g. name="foo", value=123
"""
for k, v in kw.items():
setattr(self, k, v)
def __str__(self):
if hasattr(self, "__unicode__"):
return self.__unicode__()
def __getitem__(self, key):
return getattr(self, key)
def __setitem__(self, key, item):
return setattr(self, key, item)
class Point(compat.with_metaclass(MetaPoint)):
pass
class Point(compat.with_metaclass(MetaPoint)):
@hybrid_property
def _impl_double_x(self):
return self.x * 2
