小菜试写了一个python获取天气预报的脚本

#!/usr/bin/python
#conding:utf-8

import sys,re,urllib2,datetime
from HTMLParser import HTMLParser

class main(HTMLParser):
def __init__(self):
HTMLParser.__init__(self)
self.tarsum = ['td','th','br']
self.readingtitle = 0
self.curtag = None
self.curattrs = 0
self.marktag = None
self.result = {}
self.timeclock = 0
for i in range(0,7):
self.result[datetime.date.today() + datetime.timedelta(days=i)] = []

def handle_starttag(self,tag,attrs):
self.curtag = tag
self.curattrs = len(attrs)
if tag == 'table' and len(attrs) == 7:
self.readingtitle = 1
self.marktag = tag
if self.readingtitle == 1:
if tag == 'tr':
self.timeclock = -2
elif tag == 'td':
self.timeclock += 1

def handle_data(self,data):
if self.curtag in self.tarsum and self.curattrs == 0 and self.readingtitle == 1:
days =  datetime.date.today() + datetime.timedelta(days=self.timeclock)
self.result[days].append(data.strip())

def handle_endtag(self,tag):
if tag == self.marktag:
self.readingtitle = 0

def getvalue(self):
return self.result

if __name__ == '__main__':
url = urllib2.urlopen('http://qq.ip138.com/weather/guangdong/GuangZhou.htm')
strhtml = url.read()
strhtml = unicode(strhtml, 'gb2312','ignore').encode('utf-8','ignore')
tp = main()
tp.feed(strhtml)
for key,value in tp.getvalue().items():
print key,
for a in value:
print a,
print