Answers for "how to take backup of mysql database using python"

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how to take backup of mysql database using python

#!/usr/bin/python
 
###########################################################
#
# This python script is used for mysql database backup
# using mysqldump and tar utility.
#
# Written by : Rahul Kumar
# Website: http://tecadmin.net
# Created date: Dec 03, 2013
# Last modified: Aug 17, 2018 
# Tested with : Python 2.7.15 & Python 3.5
# Script Revision: 1.4
#
##########################################################
 
# Import required python libraries
 
import os
import time
import datetime
import pipes
 
# MySQL database details to which backup to be done. Make sure below user having enough privileges to take databases backup.
# To take multiple databases backup, create any file like /backup/dbnames.txt and put databases names one on each line and assigned to DB_NAME variable.
 
DB_HOST = 'localhost' 
DB_USER = 'root'
DB_USER_PASSWORD = '_mysql_user_password_'
#DB_NAME = '/backup/dbnameslist.txt'
DB_NAME = 'db_name_to_backup'
BACKUP_PATH = '/backup/dbbackup'
 
# Getting current DateTime to create the separate backup folder like "20180817-123433".
DATETIME = time.strftime('%Y%m%d-%H%M%S')
TODAYBACKUPPATH = BACKUP_PATH + '/' + DATETIME
 
# Checking if backup folder already exists or not. If not exists will create it.
try:
    os.stat(TODAYBACKUPPATH)
except:
    os.mkdir(TODAYBACKUPPATH)
 
# Code for checking if you want to take single database backup or assinged multiple backups in DB_NAME.
print ("checking for databases names file.")
if os.path.exists(DB_NAME):
    file1 = open(DB_NAME)
    multi = 1
    print ("Databases file found...")
    print ("Starting backup of all dbs listed in file " + DB_NAME)
else:
    print ("Databases file not found...")
    print ("Starting backup of database " + DB_NAME)
    multi = 0
 
# Starting actual database backup process.
if multi:
   in_file = open(DB_NAME,"r")
   flength = len(in_file.readlines())
   in_file.close()
   p = 1
   dbfile = open(DB_NAME,"r")
 
   while p <= flength:
       db = dbfile.readline()   # reading database name from file
       db = db[:-1]         # deletes extra line
       dumpcmd = "mysqldump -h " + DB_HOST + " -u " + DB_USER + " -p" + DB_USER_PASSWORD + " " + db + " > " + pipes.quote(TODAYBACKUPPATH) + "/" + db + ".sql"
       os.system(dumpcmd)
       gzipcmd = "gzip " + pipes.quote(TODAYBACKUPPATH) + "/" + db + ".sql"
       os.system(gzipcmd)
       p = p + 1
   dbfile.close()
else:
   db = DB_NAME
   dumpcmd = "mysqldump -h " + DB_HOST + " -u " + DB_USER + " -p" + DB_USER_PASSWORD + " " + db + " > " + pipes.quote(TODAYBACKUPPATH) + "/" + db + ".sql"
   os.system(dumpcmd)
   gzipcmd = "gzip " + pipes.quote(TODAYBACKUPPATH) + "/" + db + ".sql"
   os.system(gzipcmd)
 
print ("")
print ("Backup script completed")
print ("Your backups have been created in '" + TODAYBACKUPPATH + "' directory")
Posted by: Guest on December-07-2020

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