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python 获取PM2.5

2018-05-17 08:00 星期四 所属: Python教程 浏览:345

python">__author__ = 'Qing'
# -*- coding: utf8 -*-
import sys
import urllib2
import json
import smtplib
from email.mime.text import MIMEText
from email.header import Header
reload(sys)
sys.setdefaultencoding("utf8")

class check_PM():
    def __init__(self,url,city,token="..."):
        self.city=city
        self.header = {"Content-Type":"application/json"}
        self.token=token
        self.url=url
    def get(self):

        url=self.url+"?city="+self.city+"&token="+self.token
        request=urllib2.Request(url,headers=self.header)
        response=json.loads(urllib2.urlopen(request).read())
        PM_result=response[0][u'pm2_5']

        return PM_result

    def mail(self):
        PM_result=self.get()
        sender = '...'
        receiver=['...']
        subject = u'目前Pm2.5 数值为 %d,请珍爱生命,做好防护措施' %PM_result
        smtpserver = 'smtp.126.com'
        username = '...'
        password = '...'

        msg = MIMEText('你好','text','utf-8')#中文需参数‘utf-8’,单字节字符不需要
        msg['Subject'] = Header(subject, 'utf-8')

        smtp = smtplib.SMTP()
        smtp.connect('smtp.126.com')
        smtp.login(username, password)
        smtp.sendmail(sender, receiver, msg.as_string())
        smtp.quit()
    def run(self):
        PM_result=self.get()
        if int(PM_result)>1:
            self.mail()
        else :
            pass
if __name__=="__main__":
    check_PM('http://www.pm25.in/api/querys/pm2_5.json','cityname').run()

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