On Fri, Feb 1, 2013 at 12:25 AM, Jason Swails <jason.swa...@gmail.com> wrote: > On Thu, Jan 31, 2013 at 12:46 AM, Steven D'Aprano > <steve+comp.lang.pyt...@pearwood.info> wrote: >> >> On Wed, 30 Jan 2013 19:34:03 -0500, Jason Swails wrote: >> >> > Hello, >> > >> > I was having some trouble understanding decorators and inheritance and >> > all that. This is what I was trying to do: >> > >> > # untested >> > class A(object): >> > def _protector_decorator(fcn): >> > def newfcn(self, *args, **kwargs): >> > return fcn(self, *args, **kwargs) >> > return newfcn >> >> Well, that surely isn't going to work, because it always decorates the >> same function, the global "fcn". > > > I don't think this is right. fcn is a passed function (at least if it acts > as a decorator) that is declared locally in the _protector_decorator scope. > Since newfcn is bound in the same scope and fcn is not defined inside > newfcn, I'm pretty sure that newfcn will just grab the fcn passed into the > decorator.
Yet it adds a level of indirection that achieves nothing. Why not simply: def _protector_decorator(fcn): return fcn ? I'm not understanding the purpose here. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
