python 面向对象入门 - 之 正则表达式

该博文涵盖了如下内容：
1.正则表达式 re
2.url库 urllib
3.debug 方法
4.面向对象封装方法

#encoding=utf-8
'''
 python learn regular express
 url : http://docs.python.org/library/re.html
 parse html url : http://www.boddie.org.uk/python/HTML.html
 author : liuzheng
''' 
import re
import urllib

#分析javaeye blog 频道
class ParseHTML:
    '''
    parse html for infomation
    parse javeeye page
    '''

    def __init__(self,url):
        self.url = url
        pass
    
    
    #analyses html 
    def parse(self):
        sock = urllib.urlopen(self.url) 
        html = sock.read()
        self.__puts(html)
        pass
    
    #打印html 匹配数据
    def __puts(self,html):
        b =  re.compile(r"<a href='([\w./:\\]+?)'[\s]*title=([^<>]+?)[\s]*target=([^<>]+?)>([^<>]+?)</a>",re.I)
        m = re.findall(b,html)
        #这里有encode 问题？，不知道，大家是否可以帮忙解答
        print  m
        
        
if __name__ == '__main__':
     url = "http://www.iteye.com/blogs"
     p = ParseHTML(url)
     p.parse()

 
if __debug__:
     print "debuging is %s" %  __debug__
     print "regular" + "* "  * 30
     #math
     str = "800-820-8800"
     m = re.match(r"(\d{3})-(\d{3})-(\d{4})", str)
     print "result : " ,m.groups()

     #split
     print "split : %s" % re.split('\W', 'Words, words, words.')

     #findall
     text = "He was carefully disguised but captured quickly by police."
     print "findall  :%s" % re.findall(r"\w+ly",text)

     #sub
     text = "hello world!"
     print "sub:%s" % re.sub(r"\s+","--",text)