获取天气预报信息

getweather.py

# -*- coding utf-8 -*-
# 获取天气预报信息
import urllib.request as request
import re
import pdb
def gethtml(url):
	html = request.urlopen(url).read().decode()
	return html
def getweather(html):
	try:
		weatherlist1 = re.compile(r'<a title="(.+?)天气预报"').findall(html)
		weatherlist2 = re.compile(r'target="_blank"><img alt="(.+?)"').findall(html)
		weatherlist3 = re.compile(r'target="_blank"><span>(.+?)</span></a>/<a ').findall(html)
		weatherlist4 = re.compile(r'target="_blank"><b>(.+?)</b').findall(html)
		#time=re.compile(r'span="4">(.+?)的预报<').findall(html)
		time=re.compile(r'城市预报列表(.+?)<span>').findall(html)
		pdb.set_trace()
		print(time[0])
		for i in (range(0,len(weatherlist1))):
			print(weatherlist1[i],'   ',weatherlist2[i],'    ',weatherlist3[i],'/',weatherlist4[i])
	except:
		print('获取失败，请重试！')
url = "http://sc.weather.com.cn/index.shtml"
a = gethtml(url)
a = getweather(a)