> for t in os.walk(somedir):
> t[1][:]=set(t[1])-{'.svn','tmp'}
> ... do something
>
> This is a very clever hack but... it relies on internal implementation
> of os.walk....
This doesn't appear to be an internal implementation detail; this is
documented behavior.
http://docs.python.org/dev/library/os.html#os.walk shows a similar example:
for root, dirs, files in os.walk('python/Lib/email'):
# ...
dirs.remove('CVS') # don't visit CVS directories
--
Michael Urman
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