New submission from Ivan Pozdeev:

>>> urllib.urlretrieve("ftp://ftp.zlatkovic.com/pub/libxml/md5sum.txt","t.bin";)
('t.bin', <mimetools.Message instance at 0x00D8C5D0>)
>>> urllib.urlretrieve("ftp://ftp.zlatkovic.com/pub/libxml/md5sum.txt","t.bin";)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Py\lib\urllib.py", line 98, in urlretrieve
    return opener.retrieve(url, filename, reporthook, data)
  File "C:\Py\lib\urllib.py", line 245, in retrieve
    fp = self.open(url, data)
  File "C:\Py\lib\urllib.py", line 213, in open
    return getattr(self, name)(url)
  File "C:\Py\lib\urllib.py", line 558, in open_ftp
    (fp, retrlen) = self.ftpcache[key].retrfile(file, type)
  File "C:\Py\lib\urllib.py", line 906, in retrfile
    conn, retrlen = self.ftp.ntransfercmd(cmd)
  File "C:\Py\lib\ftplib.py", line 334, in ntransfercmd
    host, port = self.makepasv()
  File "C:\Py\lib\ftplib.py", line 312, in makepasv
    host, port = parse227(self.sendcmd('PASV'))
  File "C:\Py\lib\ftplib.py", line 830, in parse227
    raise error_reply, resp
IOError: [Errno ftp error] 200 Type set to I

The cause is the 226 Transfer Complete response being ignored, causing further 
response lines to be incorrectly matched to request lines.

The bug is a result of issue16270 for 3.x and issue26960 for 2.7.

----------
components: Library (Lib)
files: ftp_error_illustration.txt
messages: 282853
nosy: Ivan.Pozdeev
priority: normal
severity: normal
status: open
title: urllib ignores FTP 226 response, breaking further FTP requests
type: behavior
versions: Python 2.7, Python 3.3, Python 3.4, Python 3.5, Python 3.6, Python 3.7
Added file: http://bugs.python.org/file45835/ftp_error_illustration.txt

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue28931>
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