use Userdict for class __dict__

[Hans Nowak]

On 1 Dec 99, at 14:41, Gang Li wrote:

> In order to monitor access of class attributes, I tried to replace class
> __dict__ with UserDict.
> 
> class Foo: pass
> 
> class MyUserDict(UserDict.UserDict):
>     def __getitem__(self, name):
>         ......
> 
> Foo.__dict__ = MyUserDict(Foo.__dict__)
> 
> But python bit me with:
>     TypeError: __dict__ must be a dictionary object
> 
> How can I avoid this kind error.

Hmm... assuming that your MyUserDict still uses the dictionary called 
'data' internally, you can use that:

Foo.__dict__ = MyUserDict(Foo.__dict__).data

I don't know if it will have the desired result though. =/

--Hans Nowak (zephyrfalcon at hvision.nl)
Homepage: http://fly.to/zephyrfalcon
You call me a masterless man. You are wrong. I am my own master.