使用Python进行XML文件读取，使用 sax 库

使用Python进行XML文件读取，使用 sax 库:

#-*- coding:UTF-8 -*-

import string
import xml.sax
from xml.sax.handler import *

class QuotationHandler(ContentHandler):

    """Crude extractor for quotations.dtd compliant XML document"""

    def __init__(self, out):
        self.out = out
        self.string=''
        self.inread=0
    def startDocument(self):

        print '--- Begin Document ---'
        self.out.write('offer_id, title, mobile_url\n')

    def startElement(self, name, attrs):

        if name == 'title':
            self.in_title=1
            self.inread=1
        elif name=='offer_id':
            self.in_offerid= 1
            self.inread=1
        elif name=='mobile_url':
            self.in_mobileurl=1
            self.inread=1
        else:
            pass
    def endElement(self, name):

        if name == 'title':
            self.inread=0
            self.in_title=0
            self.out.write(self.string.encode("GBK")+',')
            print self.string
            self.string = ''
        elif name=='offer_id':
            self.in_offerid= 0
            self.inread=0
            self.out.write(self.string.encode("GBK")+",")
            self.string = ''
        elif name=='mobile_url':
            self.in_mobileurl=0
            self.inread=0
            self.out.write(self.string.encode("GBK")+",\n")
            self.string = ''
        else:
            pass

    def characters(self, ch):
        if self.inread:
            self.string = self.string + ch

if __name__ == '__main__':

    out = open("test.csv","wt")
    try:
        parser = xml.sax.make_parser()
        handler = QuotationHandler(out)
        parser.setContentHandler(handler)
        parser.parse("i900738_090816_2.xml")
    except:
        import traceback
        traceback.print_exc()
    finally:
        out.close()