On Wed, Nov 2, 2011 at 1:40 PM, Ian Kelly <ian.g.ke...@gmail.com> wrote:
>
> If you want to customize the dict you need to do it in __new__, not
> __init__. By the time __init__ is called, the class has already been
> created.
>
> class MetaClass(type):
> def __new__(mcs, name, bases, dict):
> for k, v in dict.items():
> if isinstance(v, FunctionType):
> dict[k] = staticmethod(v)
> return type.__new__(mcs, name, bases, dict)
Great! It works perfectly!
> If you were using a more recent Python version, I would suggest using
> a class decorator instead of a metaclass. You can still do this in
> Python 2.5, but the syntax will be more awkward.
>
> # Python 2.6+
> def FuncGroup(class_):
> for k, v in class_.__dict__.items():
> if isinstance(v, FunctionType):
> setattr(class_, k, staticmethod(v))
> return class_
>
> @FuncGroup
> class Greeting(object):
> def hello():
> print("Hello!")
>
> # Python 2.5
> class Greeting(object):
> def hello():
> print("Hello!")
> Greeting = FuncGroup(Greeting)
This is so good method.
Thank you, Ian.
--
regards,
makoto kuwata
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