使用Python 3.6.3。尝试使用Python列出FTP目录时出现OSError
我正在通过FTP_TLS连接到FTP以使用ftplib
。
ftps = ftplib.FTP_TLS('example.com', timeout=5)
# TLS is more secure than SSL
ftps.ssl_version = ssl.PROTOCOL_TLS
# login before securing control channel
ftps.login('[email protected]', 'password')
# switch to secure data connection
ftps.prot_p()
# Explicitly set Passive mode
ftps.set_pasv(True)
这一切都有效。我可以发送ftps.mkd('mydir')
(make目录)和ftps.cwd('mydir')
(更改工作目录),并且都可以正常工作。
但是,如果我送其中任何(他们基本上都同义词,据我可以告诉):
ftps.dir()
ftps.nlst()
ftps.retrlines('LIST')
ftps.retrlines('MLSD')
然后我得到一个异常(以下还包括所有FTPLIB调试信息作为还有,一般有什么FileZilla中也表示相匹配):
*cmd* 'AUTH TLS'
*put* 'AUTH TLS\r\n'
*get* '234 AUTH TLS OK.\n'
*resp* '234 AUTH TLS OK.'
*cmd* 'USER [email protected]'
*put* 'USER [email protected]\r\n'
*get* '331 User [email protected] OK. Password required\n'
*resp* '331 User [email protected] OK. Password required'
*cmd* 'PASS ******************************'
*put* 'PASS ******************************\r\n'
*get* '230 OK. Current restricted directory is /\n'
*resp* '230 OK. Current restricted directory is /'
*cmd* 'PBSZ 0'
*put* 'PBSZ 0\r\n'
*get* '200 PBSZ=0\n'
*resp* '200 PBSZ=0'
*cmd* 'PROT P'
*put* 'PROT P\r\n'
*get* '200 Data protection level set to "private"\n'
*resp* '200 Data protection level set to "private"'
*cmd* 'MKD mydir'
*put* 'MKD mydir\r\n'
*get* '257 "mydir" : The directory was successfully created\n'
*resp* '257 "mydir" : The directory was successfully created'
*cmd* 'CWD mydir'
*put* 'CWD mydir\r\n'
*get* '250 OK. Current directory is /mydir\n'
*resp* '250 OK. Current directory is /mydir'
*cmd* 'TYPE A'
*put* 'TYPE A\r\n'
*get* '200 TYPE is now ASCII\n'
*resp* '200 TYPE is now ASCII'
*cmd* 'PASV'
*put* 'PASV\r\n'
*get* '227 Entering Passive Mode (8,8,8,8,8,8)\n'
*resp* '227 Entering Passive Mode (8,8,8,8,8,8)'
*cmd* 'MLSD'
*put* 'MLSD\r\n'
*get* '150 Accepted data connection\n'
*resp* '150 Accepted data connection'
Traceback (most recent call last):
File "c:\my_script.py", line 384, in run_ftps
ftps.retrlines('MLSD')
File "c:\libs\Python36\lib\ftplib.py", line 485, in retrlines
conn.unwrap()
File "C:\libs\Python36\lib\ssl.py", line 1051, in unwrap
s = self._sslobj.unwrap()
File "C:\libs\Python36\lib\ssl.py", line 698, in unwrap
return self._sslobj.shutdown()
OSError: [Errno 0] Error
同样的FTP命令(LIST)通过FileZilla的正常工作。
我可以用google搜索到的最接近的东西是:https://bugs.python.org/msg253161 - 我不确定它是否相关或相关。
短版本:“OSError:[Errno 0] Error”究竟意味着什么,以及如何列出我的目录内容?
编辑:这个问题似乎只发生在FTP_TLS。它通过普通的FTP连接正常工作,但我需要FTP_TLS。