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])