[EMAIL PROTECTED] wrote: > On May 21, 11:02 pm, Steven Bethard <[EMAIL PROTECTED]> wrote: >> I have some text and a list of Element objects and their offsets, e.g.:: >> >> >>> text = 'aaa aaa aaabbb bbbaaa' >> >>> spans = [ >> ... (etree.Element('a'), 0, 21), >> ... (etree.Element('b'), 11, 18), >> ... (etree.Element('c'), 18, 18), >> ... ] >> >> I'd like to produce the corresponding ElementTree. So I want to write a >> get_tree() function that works like:: >> >> >>> tree = get_tree(text, spans) >> >>> etree.tostring(tree) >> '<a>aaa aaa aaa<b>bbb bbb<c /></b>aaa</a>' >> >> Perhaps I just need some more sleep, but I can't see an obvious way to >> do this. Any suggestions? > > It seems you're looking to construct an Interval Tree: > > http://en.wikipedia.org/wiki/Interval_tree
No, I'm looking to construct an ElementTree from intervals. ;-) Could you elaborate on how an Interval Tree would help me? STeVe -- http://mail.python.org/mailman/listinfo/python-list