[Python-Dev] PEP 294: Type Names in the types Module
Tue, 25 Jun 2002 01:02:10 -0400
On Tue, Jun 25, 2002 at 12:09:38AM +0100, Michael Hudson wrote:
> Oren Tirosh <email@example.com> writes:
> > Abstract
> > This PEP proposes that symbols matching the type name should be
> > added to the types module for all basic Python types in the types
> > module:
> > types.IntegerType -> types.int
> > types.FunctionType -> types.function
> > types.TracebackType -> types.traceback
> > ...
> > The long capitalized names currently in the types module will be
> > deprecated.
> Um, can I be a little confused? If you are writing code that you know
> will be run in 2.2 and later, you write
> isinstance(obj, int)
> If you want to support 2.1 and so on, you write
> isinstance(obj, types.IntType)
> What would writing
> isinstance(obj, types.int)
> ever gain you except restricting execution to 2.3+?
It's like asking what do you gain by using string methods instead of the
string module. It's part of a slow, long-term effort to clean up the
language while trying to minimize the impact on existing code.