[Python Learning] Sax

#!/usr/bin/python#-*-coding:utf-8-*-ImportXml.saxclassMoviehandler (xml.sax.ContentHandler):def __init__(self): Self.stack= []   #element Start Event handling   defstartelement (self, Tag, attributes):ifLen (self.stack)! =0:Print "\ n","*"*4*Len (self.stack), attr=""      #Property Value      ifAttributes.getlength () >0: forAttrnameinchattributes.getnames (): attr=" "+ attr + attrname +"="+Attributes.getvalue (attrname)Print "<"+tag+attr+">", Self.stack.append ("Start")   #element End Event handling   defendElement (self, tag):ifSelf.stack[len (Self.stack)-1] = ="content"  andSelf.stack[len (Self.stack)-2] = ="Start":            delSelf.stack[len (Self.stack)-1]            delSelf.stack[len (Self.stack)-2]      elifSelf.stack[len (Self.stack)-1] = ="Start":            delSelf.stack[len (Self.stack)-1]            Print "\ n","*"*4*Len (self.stack),Print "</"+tag+">",   #Content Event Handling   defcharacters (self, content):ifContent.strip ()! ="': Self.stack.append ("content")            Printcontent,if(__name__=="__main__"):      #Create a XMLReaderParser =Xml.sax.make_parser ()#Turn off Namepsacesparser.setfeature (xml.sax.handler.feature_namespaces, 0)#rewrite ContexthandlerHandler =Moviehandler () Parser.setcontenthandler (Handler) parser.parse ("Movie.xml")

XML document:

<CollectionShelf= "New Arrivals"><movietitle= "Enemy Behind">   <type>War, Thriller</type>   <format>Dvd</format>   < Year>2003</ Year>   <rating>Pg</rating>   <stars>10</stars>   <Description>Talk about a Us-japan war</Description></movie><movietitle= "Transformers">   <type>Anime, science fiction</type>   <format>Dvd</format>   < Year>1989</ Year>   <rating>R</rating>   <stars>8</stars>   <Description>A schientific Fiction</Description></movie>   <movietitle= "Trigun">   <type>Anime, Action</type>   <format>Dvd</format>   <episodes>4</episodes>   <rating>Pg</rating>   <stars>10</stars>   <Description>Vash the stampede!</Description></movie><movietitle= "Ishtar">   <type>Comedy</type>   <format>Vhs</format>   <rating>Pg</rating>   <stars>2</stars>   <Description>Viewable boredom</Description></movie></Collection>

Parse Output:

See also: http://www.cnblogs.com/hongfei/p/python-xml-sax.html

[Python Learning] Sax