On Mon, May 13, 2019 at 3:26 AM David Mertz <[email protected]> wrote: > > To be clear in this thread, I don't think I'm really ADVOCATING for a > multi-level break. My comments are simply noting that I personally fairly > often encounter the situation where they would be useful. At the same time, > I worry about Python gaining sometimes-useful features that complicate the > overall language and bring it closer to Perl's "everyone can write in their > own style." > > So to answer Chris' question... well, i did find something recent, but it has > a ton of other extraneous stuff. But I've simplified to something that isn't > that much different from my example from my tablet yesterday, but is fairly > realistic still. > > I have an existing function that looks roughly like this: > > def find_needle_in_haystacks(): > found_needle = False > for haystack in glob.glob('path/to/stuff/*'): > fh = open(fname) > header = fh.readline() > if get_format(header) == 'foo': > for line in fh: > status = process_foo(line) > if status = -1: > found_needle = True > break > elif get_format(header) == 'bar': > for line in fh: > status = process_bar(line) > if status = -1: > found_needle = True > break > > if found_needle: > break >
Cool. How much code is there AFTER this loop? The most obvious way to handle this is to immediately 'return' instead of multi-level breaking. ChrisA _______________________________________________ Python-ideas mailing list [email protected] https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
