python ftp 上传

#!/usr/bin/python
# -*-coding:utf- -*-

from ftplib import FTP

def ftpconnect(host,username,password):
    ftp=FTP()
    ftp.connect(host,)
    ftp.login(username,password)
    return ftp

#从ftp下载
def downloadfile(ftp,remotepath,localpath):
    bufsize =
    fp=open(localpath,'wb')
    ftp.retrbinary('RETR ' + remotepath,fp.write,bufsize)
    ftp.set_debuglevel()
    fp.close()

def uploadfile(ftp,remotepath,localpath):
    bufsize=
    fp=open(localpath,'rb')
    ftp.storbinary('STOR ' + remotepath,fp,bufsize)
    ftp.set_debuglevel()
    fp.close()

if __name__=='__main__':
    ftp=ftpconnect("60.174.203.118","ahwater","1qaz@WSX")
    #uploadfile(ftp,"D:\\秦瑞-工作\\BugReport.txt","BugReport-bak.txt")
    uploadfile(ftp,"py_ftp.py","D:\py_ftp.py")

ftp.quit()