[Zope3-dev] Re: Make message ids into "rocks", was Re: Re: SVN: Zope3/trunk/src/zope/ Internationalized apidoc modules description.

[Dmitry Vasiliev]

Philipp von Weitershausen wrote:

> I don't see the need for these dictproxies. Otherwise I agree. 
> Specifically, I have something like this in mind:
> 
> def keys_and_values_to_unicode(mapping):
>     items = [(unicode(key), unicode(value) for key, value
>              in mapping.items()]
>     return dict(items)
> 
> class MessageID(unicode):
> 
>     def __new__(cls, ustr, domain=None, default=None, mapping={}):
>         self = super(MessageID, cls).__new__(cls, ustr)
>         self._domain = domain
>         self._default = default
>         self._mapping = keys_and_values_to_unicode(mapping)

           return self

> 
>     def domain(self):
>         return self._domain
>     domain = property(domain)
> 
>     def default(self):
>         return self._default
>     default = property(default)
> 
>     def mapping(self):
>         return self._mapping.copy()
>     mapping = property(mapping)
> 
>     def __mod__(self, mapping):
>         new_mapping = self.mapping
>         new_mapping.update(keys_and_values_to_unicode(mapping))
>         return self.__class__(
>             self,
>             domain=self._domain,
>             default=self._default,
>             mapping=new_mapping
>         )

       def __mod__(self, mapping):
           return MessageID(self, self._domain, self._default, 
self._mapping)

-- 
Dmitry Vasiliev (dima at hlabs.spb.ru)
     http://hlabs.spb.ru