Python中关于自动获取公网IP的实例讲解

下面小编就为大家带来一篇Python之自动获取公网IP的实例讲解。小编觉得挺不错的，现在就分享给大家，也给大家做个参考。一起跟随小编过来看看吧

pi@raspberrypi:~ $ mysql -uroot -p -hlocalhost
Enter password: 
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 36
Server version: 10.0.30-MariaDB-0+deb8u2 (Raspbian)

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> 

MariaDB [(none)]> help create database
Name: 'CREATE DATABASE'
Description:
Syntax:
CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name
 [create_specification] ...

create_specification:
 [DEFAULT] CHARACTER SET [=] charset_name
 | [DEFAULT] COLLATE [=] collation_name

CREATE DATABASE creates a database with the given name. To use this
statement, you need the CREATE privilege for the database. CREATE
SCHEMA is a synonym for CREATE DATABASE.

URL: https://mariadb测试数据/kb/en/create-database/


MariaDB [(none)]> 

MariaDB [(none)]> help create table
Name: 'CREATE TABLE'
Description:
Syntax:
CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
 (create_definition,...)
 [table_options]
 [partition_options]

Or:

CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name
 [(create_definition,...)]
 [table_options]
 [partition_options]
 select_statement 

MariaDB [(none)]> CREATE TABLE `python_ip_logs` (
 `serial_number` bigint(20) NOT NULL AUTO_INCREMENT,
 `time` datetime DEFAULT NULL,
 `old_data` varchar(50) DEFAULT NULL,
 `new_data` varchar(50) DEFAULT NULL,
 PRIMARY KEY (`serial_number`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 

 MariaDB [ServiceLogs]> select * from python_ip_logs;
 Empty set (0.00 sec) 

安装:
解压
unzip MySQL-python-1.2.5.zip
进入解压后目录
cd MySQL-python-1.2.5/
安装依赖
apt-get install libmysqlclient-dev
安装
python setup.py install
如果为0则安装OK
echo $? 

root@raspberrypi:~/python-script# cat p_mysql_3.py 
#!/usr/bin/env python

import MySQLdb

try :
  conn = MySQLdb.connect("主机","用户名","密码","ServiceLogs")
  print ("Connect Mysql successful")
except:
  print ("Connect MySQL Fail")
root@raspberrypi:~/python-script# 

root@raspberrypi:~/python-script# cat p_mysql1.py 
#!/usr/bin/env python

import MySQLdb

db = MySQLdb.connect("localhost","root","root","ServiceLogs")

cursor = db.cursor()

sql = "insert INTO python_ip_logs VALUES (DEFAULT,'2017-09-29 22:46:00','123','456')"

cursor.execute(sql)
db测试数据mit()

db.close()
root@raspberrypi:~/python-script# 

root@raspberrypi:~/python-script# cat getnetworkip.py 
#!/usr/bin/env python
# coding:UTF-8

import requests
import send_mail
import savedb

def get_out_ip() :
  url = r'http://HdhCmsTesttrackip.net/'
  r = requests.get(url)
  txt = r.text
  ip = txt[txt.find('title')+6:txt.find('/title')-1]
  return (ip)

def main() :
  try:
    savedb.general_files()

    tip = get_out_ip()
    cip = savedb.read_files()


    if savedb.write_files(cip,tip) :
      send_mail.SamMail(get_out_ip())
  except :
    return False

if __name__=="__main__" :
  main()
root@raspberrypi:~/python-script# 

root@raspberrypi:~/python-script# cat savedb.py
#!/usr/bin/env python

import MySQLdb
import os
import time

dirname = "logs"
filename = "logs/.ip_tmp"

def general_files(Default_String="Null") :

  var1 = Default_String

  if not os.path.exists(dirname) :
    os.makedirs(dirname)

  if not os.path.exists(filename) :
    f = open(filename,'w')
    f.write(var1)
    f.close()

def read_files() :
  f = open(filename,'r')
  txt = f.readline()
  return (txt)

def write_files(txt,new_ip) :
  if not txt == new_ip :
    NowTime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    old_ip = read_files()
    os.remove(filename)
    general_files(new_ip)
    write_db(NowTime,old_ip,new_ip)
    return True
  else:
    return False


def write_db(NowTime,Old_ip,New_ip) :
  db = MySQLdb.connect("主机","用户名","密码","库名")

  cursor = db.cursor()

  sql = """
    INSERT INTO python_ip_logs 
    VALUES
    (DEFAULT,"%s","%s","%s")
  """ %(NowTime,Old_ip,New_ip)

  try:
    cursor.execute(sql)
    db测试数据mit()
  except:
    db.rollback()

  db.close()
root@raspberrypi:~/python-script# 

root@raspberrypi:~/python-script# cat send_mail.py
#!/usr/bin/env python

import smtplib
import email.mime.text

def SamMail(HtmlString) :
 HOST = "smtp.163测试数据"
 SUBJECT = "主题"
 TO = "对方的邮箱地址"
 FROM = "来自于哪里"
 Remask = "The IP address has been changed"

 msg = email.mime.text.MIMEText("""
  <html>
    <head>
      <meta charset="utf-8" />
    </head>
    <body>
      <em><h1>ip:%s</h1></em>
    </body>
  </html>
  """ %(HtmlString),"html","utf-8")

 msg['Subject'] = SUBJECT
 msg['From'] = FROM
 msg['TO'] = TO

 try:
  server = smtplib.SMTP()
  server.connect(HOST,'25')
  server.starttls()
  server.login("用户名","密码")
  server.sendmail(FROM,TO,msg.as_string())
  server.quit()
 except:
  print ("Send mail Error")
root@raspberrypi:~/python-script# 
 print ("%s" %(line),end='') 

3.效果

收到的邮件如下:

利用SELECT查看表,效果如下:

把脚本放入crontab中，让它执行定时任务即可

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