python ftp 上传文档出现 553 Could not create file

报错内容：

*cmd* 'TYPE I'
*put* 'TYPE I\r\n'
*get* '200 Switching to Binary mode.\r\n'
*resp* '200 Switching to Binary mode.'
*cmd* 'PASV'
*put* 'PASV\r\n'
*get* '227 Entering Passive Mode (10,65,252,38,254,125).\r\n'
*resp* '227 Entering Passive Mode (10,65,252,38,254,125).'
*cmd* 'STOR DODWAL0103920180507010001.AVL'
*put* 'STOR DODWAL0103920180507010001.AVL\r\n'
*get* '553 Could not create file.\r\n'
*resp* '553 Could not create file.'

553 Could not create file.

错误原因： 远程路径没有权限

ftp = ftpconnect("ip地址", "用户名", "密码",'远程路径')

下面为借鉴代码：源地址：https://blog.csdn.net/dingqingsong/article/details/44243651

#-*- coding: utf-8 -*-
from ftplib import FTP


def ftpconnect():
    ftp_server = '10.***.***.**'  #FTP server ip address
    username = 'tom'
    password = '*******'
    timeout =30
    port = 21

    ftp=FTP()
    ftp.set_debuglevel(2)       #open debug level 2, can display detail message
    ftp.connect(ftp_server,port,timeout)  #connect to FTP server
    ftp.login(username,password)

    return ftp

def downloadfile_from_FTP():
    ftp = ftpconnect()
    print ftp.getwelcome()    #can display FTP server welcome message.

    bufsize = 1024            #set buffer size

    remotepath = "\\Home\\product\\tom\\win7.iso"
    localpath = 'D:\\tom\\win7.iso'

    fp = open(localpath,"wb")
    ftp.retrbinary('RETR %s' % remotepath,fp.write,bufsize) #start to download file :FTP server --> local

    ftp.set_debuglevel(0) # close debug

    fp.close()            #close connect

    ftp.quit()            #quit FTP server


def uploadfile_to_FTP():
    ftp = ftpconnect()
    print ftp.getwelcome()   #can display FTP server welcome message.

    bufsize = 1024
    remotepath = "\\Home\\product\\tom\\win8.iso"
    localpath = 'D:\\system\\win8.iso'

    fp = open(localpath,'rb')

    ftp.storbinary('STOR '+ remotepath ,fp,bufsize) #start to upload file :local --> FTP server
    ftp.set_debuglevel(0)   # close debug

    fp.close()              #close connect

    ftp.quit()              #quit FTP server


if __name__ == "__main__":
    #downloadfile_from_FTP()
    uploadfile_to_FTP()