[Python-Dev] PEP 318: Singleton decorator

[Skip Montanaro]

    >> But i don't think this is a good way to write a singleton, because
    >> then the user of the class has to get instances by saying "MyClass"
    >> instead of "MyClass()".

    Phillip> That's a stylistic decision.  IMO, it's more pythonic to *not*
    Phillip> call a constructor.  One does not, after all, call modules in
    Phillip> order to "construct" them, and modules are a prime example of
    Phillip> singletons in Python.

I think Ping's point is that if the user thinks Foo is a class, he's going
to want to instantiate it like Foo().  Whether or not you get back a new
instance or an existing one is sort of beside the point.  It's simply a
consistency issue.

Skip