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//usr/lib64/python2.6/Demo/xml/elem_count.py
import sys from xml.sax import make_parser, handler class FancyCounter(handler.ContentHandler): def __init__(self): self._elems = 0 self._attrs = 0 self._elem_types = {} self._attr_types = {} def startElement(self, name, attrs): self._elems = self._elems + 1 self._attrs = self._attrs + len(attrs) self._elem_types[name] = self._elem_types.get(name, 0) + 1 for name in attrs.keys(): self._attr_types[name] = self._attr_types.get(name, 0) + 1 def endDocument(self): print "There were", self._elems, "elements." print "There were", self._attrs, "attributes." print "---ELEMENT TYPES" for pair in self._elem_types.items(): print "%20s %d" % pair print "---ATTRIBUTE TYPES" for pair in self._attr_types.items(): print "%20s %d" % pair parser = make_parser() parser.setContentHandler(FancyCounter()) parser.parse(sys.argv[1])
