Python 3 教程二:文件,目录和路径

http://www.cnitblog.com/yunshichen/archive/2009/04/01/55931.html

 

python os模块

http://hi.baidu.com/happynp/blog/item/729243f902d5a751242df2c2.html

http://hi.baidu.com/fiber212121/blog/item/6e07ec03c97b6982d53f7c27.html

 

python getopt模块

http://www.tsnc.edu.cn/default/tsnc_wgrj/doc/pythonhtml/html/scripts_and_streams/command_line_arguments.html

http://www.sqlite.com.cn/MySqlite/11/416.Html

http://docs.python.org/library/getopt.html

http://docs.python.org/library/optparse.html

 

mysqldbback.py

#!/usr/bin/python










import os





import time





import ftplib





import traceback










#config vars





systempathchr="/" #路径分割符，*nix用"/" win32用"//"










dbuser="root" #数据库用户名





dbpwd="dbpwd" #数据库密码





dbnamelist=["dbone","dbtwo","dbthree"] #需要备份那些数据库










workdir="/path/to/backup/" #本地备份文件夹





errlogfile="databack.log" #错误日志名





ftp_addr="192.168.0.2" #ftp地址





ftp_port="2102" #ftp端口





ftp_user="databack" #ftp用户名





ftp_pwd="backpwd" #ftp密码





ftp_path="/" #存放到ftp路径










ftpqueue=[]















def ftpstor():





    #login





    bufsize=1024





    ftp=ftplib.FTP()





    try:





        ftp.connect(ftp_addr,ftp_port)





        ftp.login(ftp_user,ftp_pwd)





        ftp.cwd(ftp_path)





        for filepath in ftpqueue:










            #open file for input as binary





            f=open(filepath,"rb")





            #store file as binary





            print getfilename(filepath)





            ftp.storbinary("STOR "+getfilename(filepath),f,bufsize)





            f.close()





        ftp.quit()





    except:





        path=os.path.join(workdir,errlogfile)





        traceback.print_exc(file=open(path,"a"))




















def dumpdb(dbname):





    global ftpqueue





    timeformat="%Y%m%d"





    sqlvalformat="mysqldump -u%s -p/"%s/" /"%s/" >/"%s/""





    tarvalformat="tar --directory=/"%s/" -zcf /"%s/" /"%s/""





    nowdate=time.strftime(timeformat)





    dumpfile=os.path.join(workdir,dbname+".dump")





    zipfile=os.path.join(workdir,dbname+nowdate+".tar.gz")





    sqlval=sqlvalformat % (dbuser,dbpwd,dbname,dumpfile)










    result=os.system(sqlval)





    tarval=tarvalformat % (workdir,zipfile,dbname+".dump")










    result=os.system(tarval)





    os.remove(dumpfile)





    ftpqueue.append(zipfile)










def getfilename(path):










    pt=path.rfind(systempathchr)





    return path[pt+1:]










def main():





    for dbname in dbnamelist:





        dumpdb(dbname)










    ftpstor()










main()