Python 解析XML实例(xml.sax)
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已知movies.xml
<collection shelf="New Arrivals"> <movie title="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> <movie title="Transformers"> <type>Anime, Science Fiction</type> <format>DVD</format> <year>1989</year> <rating>R</rating> <stars>8</stars> <description>A schientific fiction</description> </movie> <movie title="Trigun"> <type>Anime, Action</type> <format>DVD</format> <episodes>4</episodes> <rating>PG</rating> <stars>10</stars> <description>Vash the Stampede!</description> </movie> <movie title="Ishtar"> <type>Comedy</type> <format>VHS</format> <rating>PG</rating> <stars>2</stars> <description>Viewable boredom</description> </movie> </collection>
Python 解析XML实例
# -*- coding: UTF-8 -*- import xml.sax class MovieHandler( xml.sax.ContentHandler ): def __init__(self): self.CurrentData = "" self.type = "" self.format = "" self.year = "" self.rating = "" self.stars = "" self.description = "" # 元素开始事件处理 def startElement(self, tag, attributes): self.CurrentData = tag if tag == "movie": print("*****Movie*****") title = attributes["title"] print("Title:", title) # 元素结束事件处理 def endElement(self, tag): if self.CurrentData == "type": print ("Type:", self.type) elif self.CurrentData == "format": print ("Format:", self.format) elif self.CurrentData == "year": print ("Year:", self.year) elif self.CurrentData == "rating": print( "Rating:", self.rating) elif self.CurrentData == "stars": print( "Stars:", self.stars) elif self.CurrentData == "description": print ("Description:", self.description) self.CurrentData = "" # 内容事件处理 def characters(self, content): if self.CurrentData == "type": self.type = content elif self.CurrentData == "format": self.format = content elif self.CurrentData == "year": self.year = content elif self.CurrentData == "rating": self.rating = content elif self.CurrentData == "stars": self.stars = content elif self.CurrentData == "description": self.description = content if ( __name__ == "__main__"): # 创建一个 XMLReader parser = xml.sax.make_parser() # turn off namepsaces parser.setFeature(xml.sax.handler.feature_namespaces, 0) # 重写 ContextHandler Handler = MovieHandler() parser.setContentHandler( Handler ) parser.parse("movies.xml")
结果:
*****Movie***** Title: Enemy Behind Type: War, Thriller Format: DVD Year: 2003 Rating: PG Stars: 10 Description: Talk about a US-Japan war *****Movie***** Title: Transformers Type: Anime, Science Fiction Format: DVD Year: 1989 Rating: R Stars: 8 Description: A schientific fiction *****Movie***** Title: Trigun Type: Anime, Action Format: DVD Rating: PG Stars: 10 Description: Vash the Stampede! *****Movie***** Title: Ishtar Type: Comedy Format: VHS Rating: PG Stars: 2 Description: Viewable boredom
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