[Python-Dev] PEP 471 -- os.scandir() function -- a better and faster directory iterator

[Benjamin Peterson]

On Thu, Jun 26, 2014, at 17:07, Paul Sokolovsky wrote:
> 
> With my MicroPython hat on, os.scandir() would make things only worse.
> With current interface, one can either have inefficient implementation
> (like CPython chose) or efficient implementation (like MicroPython
> chose) - all transparently. os.scandir() supposedly opens up efficient
> implementation for everyone, but at the price of bloating API and
> introducing heavy-weight objects to wrap info. PEP calls it
> "lightweight DirEntry objects", but that cannot be true, because all
> Python objects are heavy-weight, especially those which have methods.

Why do you think methods make an object more heavyweight? namedtuples
have methods.