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bbb.xml内容The Cathedral & the BazaarEric S. RaymondMaking TeX WorkNorman Walsh
脚本a.py#!/usr/bin/python import xml.saximport pprintfrom xml.sax import make_parser, parseString
class BookHandler(xml.sax.handler.ContentHandler):
def __init__(self): self.inTitle = 0 self.mapping = {}
def startElement(self, name, attributes):
if name == "book": self.buffer = "" self.isbn = attributes["isbn"] elif name == "title": self.inTitle = 1
def characters(self, data): if self.inTitle: self.buffer += data
def endElement(self, name): if name == "title": self.inTitle = 0 self.mapping[self.isbn] = self.buffer
parser = xml.sax.make_parser()handler = BookHandler()parser.setContentHandler(handler)document = file("bbb.xml")text = document.read().replace("GB2312",'utf-8',1)utfdoc = text.decode("gb2312").encode("utf-8")xml.sax.parseString(text,handler)pprint.pprint(handler.mapping)注:python 的xml.sax对中文的支持不好,所以这里先把xml里的gb2312先替换成utf-8,并把文件的编码也改成utf-8,然后再处理。注意处理完后再把他还原成gb2312,要不可能会显示异常。另外,有些情况直接用parser.parse(document)也可以,parser.parse()后面带的参数为文件名,或文件句柄,parser.parse后可带handler参数,该参数必须是SAX ContentHandler 实例。parseString(string, handler[, error_handler])类似于parse(),带的参数为字符串,需要通过xml.sax.parseString()来调用。
本文来自ChinaUnix博客,如果查看原文请点:http://blog.chinaunix.net/u/14754/showart_2037453.html |
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