python获取天气预报程序第一版（齐齐哈尔市内一周天气）

利用中国国家气象局免费api接口实现的获取天气预报程序
from  xml.dom import minidom
from collections import namedtuple
from termcolor import colored
import sys
import urllib.request
#######着色程序
WEA = namedtuple('WEA','value color ')
Weather_Dict = { 
        'date':WEA('%s', 'green'),
        'weather':WEA('%s', 'green'),
        'low': WEA('%s', 'blue'),
        'high': WEA('%s', 'cyan'),
        'wind': WEA('%s', 'green'),
        'wd': WEA('%s', yellow'),    
        'icon1': WEA('%s', 'yellow'),    
        'icon2': WEA('%s', 'blue')    
        }

URL = 'http://www.apifree.net/weather'
Query = {'泰来': '101050210',
         '甘南': '101050204',
         '齐齐哈尔': '101050201',
         '富裕': '101050205',
         '讷河': '101050202',
         '克东': '101050209',
         '拜泉': '101050207',
         '龙江': '101050203',
         '克山': '101050208',
         '依安': '101050206'
       }
def look(url):
    result = urllib.request.urlopen(URL +'/'+ url +'.xml')
    return result
#获取城市名称
def get_city(node):
    c = node.getElementsByTagName('ws')[0]
    #print(c.getAttribute('aqi'))
    print(colored('city:%s aqi:%s' %(c.getAttribute('city'),c.getAttribute('aqi')),Weather_Dict['icon2'].color) )
#获取文本节点内容
def getText(nodelist):
    rc = []
    for node in nodelist:
        if node.nodeType == node.TEXT_NODE:
            rc.append(node.data)
    return ''.join(rc)

###########下面的代码冗余度太大有待改进###########处理xnl文件
def read_xml(node):
    fields = node.getElementsByTagName("w")
    for field in fields:
        handle_date(field.getElementsByTagName("date")[0])
        handle_weather(field.getElementsByTagName("weather")[0])
        handle_low(field.getElementsByTagName("low")[0])
        handle_high(field.getElementsByTagName("high")[0])
        handle_wind(field.getElementsByTagName("wind")[0])
        handle_wd(field.getElementsByTagName("wd")[0])
        handle_icon1(field.getElementsByTagName("icon1")[0])
        handle_icon2(field.getElementsByTagName("icon2")[0])
def handle_date(date):
    print(colored('date:%s'% getText(date.childNodes),Weather_Dict['date'].color))
def handle_weather(weather):
    print(colored('weather:%s'% getText(weather.childNodes),Weather_Dict['weather'].color))
def handle_low(low):
    print(colored('low:%s'% getText(low.childNodes),Weather_Dict['low'].color))
def handle_high(high):
    print(colored('high:%s'% getText(high.childNodes),Weather_Dict['high'].color))
def handle_wind(wind):
    print(colored('wind:%s'% getText(wind.childNodes),Weather_Dict['wind'].color))
def handle_wd(wd):
    print(colored('wd:%s'% getText(wd.childNodes),Weather_Dict['wd'].color))
def handle_icon1(icon1):
    print(colored('icon1:%s'% getText(icon1.childNodes),Weather_Dict['icon1'].color))
def handle_icon2(icon2):
    print(colored('icon2:%s'% getText(icon2.childNodes),Weather_Dict['icon2'].color))
#################################################################################    
def main():
    qname = sys.argv[1]
    if qname in Query.keys():
        response = look(Query[qname])
        dom = minidom.parse(response) #生成文档树对象
        get_city(dom)
        read_xml(dom)
if __name__=='__main__':
    main()