anatoly techtonik, 04.07.2012 11:57: > On Fri, Jun 29, 2012 at 11:32 PM, Georg Brandl wrote: >> On 26.06.2012 10:03, anatoly techtonik wrote: >>> Now that Python 3 is all about iterators (which is a user killer >>> feature for Python according to StackOverflow - >>> http://stackoverflow.com/questions/tagged/python) would it be nice to >>> introduce more first class functions to work with them? One function >>> to be exact to split string into chunks. >>> >>> itertools.chunks(iterable, size, fill=None) >>> >>> Which is the 33th most voted Python question on SO - >>> >>> http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python/312464 >>> >>> P.S. CC'ing to python-dev@ to notify about the thread in python-ideas. >>> >> >> Anatoly, so far there were no negative votes -- would you care to go >> another step and propose a patch? > > Was about to say "no problem", but in fact - there is. Sorry from > whining from my side and thanks for nudging. The only thought that a > simple task of copy/pasting relevant code from > http://docs.python.org/library/itertools.html?highlight=itertools#recipes > will require a few hours waiting of download (still not everybody has > a high-speed internet) makes me switch to other less time consuming > tasks before getting around to it. These tasks become more important > in a few hours, and basically I've passed through this many times > before. It then becomes quite hard to switch back. > > I absolutely don't mind someone else being credited for the idea, > because ideas usually worthless without implementation. It will be > interesting to design how the process could work in a separate thread. > For now the best thing I can do (I don't risk even to mention anything > with 3.3) is to copy/paste code from the docs here: > > from itertools import izip_longest > def chunks(iterable, size, fill=None): > """Split an iterable into blocks of fixed-length""" > # chunks('ABCDEFG', 3, 'x') --> ABC DEF Gxx > args = [iter(iterable)] * size > return izip_longest(fillvalue=fill, *args)
I think Raymond's change fixes this issue quite nicely, no need to touch at the module code. Stefan _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
