PythonでパブリックIPを自動取得する例の説明

root@raspberrypi:~/python-script# apt-get install mysql-server

 [root@localhost ~]# yum install mysql-server

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.com/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 DATABASE `ServiceLogs`

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.commit()

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://www.trackip.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#