Inconsistency in dictionary behaviour: dict(dict) not calling __setitem__

[Fredrik Lundh]

Almad wrote:

> However, when constructing dictionary with dictionary in constructor
> like d = RegisterMap({'k':'v'}), __setitem__ is not called

why should it do that?  dict() is a concrete implementation, not a 
template class for the creation of dict-like objects.

 > Or should this be considered as minor bug in Python?

no.

</F>