A gnarly little python loop
__peter__ at web.de
Sun Nov 11 10:54:33 CET 2012
Paul Rubin wrote:
> Cameron Simpson <cs at zip.com.au> writes:
>> | I'd prefer the original code ten times over this inaccessible beast.
>> Me too.
> Me, I like the itertools version better. There's one chunk of data
> that goes through a succession of transforms each of which
> is very straightforward.
> def get_tweets(term, get_page):
> page_nums = itertools.count(1)
> pages = itertools.imap(api.getSearch, page_nums)
> valid_pages = itertools.takewhile(bool, pages)
> tweets = itertools.chain.from_iterable(valid_pages)
> return tweets
But did you spot the bug(s)?
My itertools-based version would look like this
pages = (api.GetSearch(term, pageno)
for pageno in itertools.count(1))
for page in itertools.takewhile(bool, pages):
yield from page
but I can understand that it's not everybody's cup of tea.
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