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13.7.2 DOM Example
This example program is a fairly realistic example of a simple program. In this particular case, we do not take much advantage of the flexibility of the DOM.
document = """\ <slideshow> <title>Demo slideshow</title> <slide><title>Slide title</title> <point>This is a demo</point> <point>Of a program for processing slides</point> </slide> <slide><title>Another demo slide</title> <point>It is important</point> <point>To have more than</point> <point>one slide</point> </slide> </slideshow> """ def getText(nodelist): rc = "" for node in nodelist: if node.nodeType == node.TEXT_NODE: rc = rc + node.data return rc def handleSlideshow(slideshow): print "<html>" handleSlideshowTitle(slideshow.getElementsByTagName("title")[0]) slides = slideshow.getElementsByTagName("slide") handleToc(slides) handleSlides(slides) print "</html>" def handleSlides(slides): for slide in slides: handleSlide(slide) def handleSlide(slide): handleSlideTitle(slide.getElementsByTagName("title")[0]) handlePoints(slide.getElementsByTagName("point")) def handleSlideshowTitle(title): print "<title>%s</title>" % getText(title.childNodes) def handleSlideTitle(title): print "<h2>%s</h2>" % getText(title.childNodes) def handlePoints(points): print "<ul>" for point in points: handlePoint(point) print "</ul>" def handlePoint(point): print "<li>%s</li>" % getText(point.childNodes) def handleToc(slides): for slide in slides: title = slide.getElementsByTagName("title")[0] print "<p>%s</p>" % getText(title.childNodes) handleSlideshow(dom)
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Release 2.2, documentation updated on December 21, 2001.