Aahz <aahz at pythoncraft.com> wrote: >> Some open question remain: >> - should iwindow return lists or tuples? >> - what happens if the length of the iterable is smaller than the >> window size, and no padding is specified? Is this an error? Should >> the generator return no value at all or one window that is too small? > > You should probably try this idea out on comp.lang.python; if there is > approval, you'll probably need to write a PEP because of these issues. > Note that my guess is that the complexity of the issues relative to > the benefit means that BDFL will probably veto it. A PEP for adding a simple generator to a library of generators?? The function does look useful to me. It's useful even if it returns a tuple instead of a list, or if it doesn't support padding. It's still better than nothing, and can still be succesfully used even if it requires some smallish wrapper to achieve the exact functionality. I know I have been implementing something similar very often. Since when do we need a full PEP process, nitpicking the small details to death, just to add a simple function? Giovanni Bajo
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