Re: hot-backup.py weird for-else clause

Stefan Sperling wrote:
> Hi,
>
> consider this snippet from hot-backup.py.in:
>
> if retry:
> for delay in (0.5, 1, 2, 4):
> try:
> rmtree(dirname)
> break
> except:
> time.sleep(delay)
> else:
> rmtree(dirname)
> else:
> rmtree(dirname)
>
> I don't think an 'else' clause to a for-loop makes any sense,
> right? Is this a legal python construct I wasn't aware of,
> or simply a mistake?

for-else is valid in Python, yes.
http://docs.python.org/tutorial/controlflow.html#break-and-continue-statements-and-else-clauses-on-loops

-- 
C. Michael Pilato <cmpilato_at_collab.net>
CollabNet   <>   www.collab.net   <>   Distributed Development On Demand
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