[Python-Dev] Placement of os.fdopen functionality

Guido van Rossum guido@python.org
Thu, 10 Apr 2003 20:48:19 -0400

> > If I had to do it over again, your suggestion would make sense;
> > 
> > But having this in the os module, which deals with such low-level
> > file descriptors, still strikes me as a pretty decent place to put
> > it as well, and I don't think it's worth the bother of updating
> > documentation and so on.
> I can think of another reason for making it a class
> method: so that custom subclasses of file, or other
> file-like objects, can override it to create objects 
> of the appropriate type.

Yeah, this was the gist of Oren's post (if I understood it correctly).

> But since it is an os-dependent feature, the implementation
> of it probably does belong in the os module.
> So how about providing a file.fromfd() which calls
> os.fdopen()?

I've never seen anyone code a file subclass yet, let alone one that
needed this.  YAGNI?

--Guido van Rossum (home page: http://www.python.org/~guido/)