Re: python/xpath question..

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  • John Krukoff

    Re: python/xpath question..

    On Wed, 2008-09-03 at 13:36 -0700, bruce wrote:
    morning....
    >
    i apologize up front as this is really more of an xpath question..
    >
    in my python, i'm using the xpath function to iterate/parse some html. i can
    do something like
    >
    s=d.xpath("//tr/td/text()")
    count=len(s)
    >
    and get the number of nodes that have text
    >
    i can then do something like
    s=d.xpath("//tr/td")
    count2=len(s)
    >
    and get the number of total nodes...
    by subtracting, i can get the number of nodes, without text.. is there an
    easier way??!!
    count2-count
    >
    ie, if i have something like
    <tr>
    <td></td>
    <td>foo</td>
    </tr>
    >
    is there a way to get the count that there is a single "td" node with
    text()=""
    >
    thanks
    >
    >
    --
    http://mail.python.org/mailman/listinfo/python-list
    Well, you could just do the test (and the count!) in the xpath
    expression:

    count( //tr/td[ text() != "" ] )

    It sounds like you're not familiar with xpath? I would recommend the
    O'Reilly XSLT book, it has an excellent introduction to xpath in chapter
    3.
    --
    John Krukoff <jkrukoff@ltgc. com>
    Land Title Guarantee Company

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