pysftp / paramiko problem
Robin Becker
robin at reportlab.com
Thu Jun 13 09:57:21 EDT 2019
On 13/06/2019 05:56, dieter wrote:
> Robin Becker <robin at reportlab.com> writes:
>> On 12/06/2019 05:59, dieter wrote:
>>> Robin Becker <robin at reportlab.com> writes:
>>>> I am trying to convert older code that uses ftplib as the endpoint has switched to sftp only.
>> ...
>> Well with real sftp I can cd to that path so if it is a symlink it goes somewhere.
>>
>> With pysftp I am unable to chdir or cd into it. With a bit of
>> difficulty I can use subprocess + sshpass + sftp to do the required
>> transfer.
>
> Maybe, the problem is the "u" prefix.
> Can you try your script with Python 3 or encode the unicode
> into a native ``str``?
>
no same happens in a fresh python 3.6 environment
> $ cat - > tsftp.py
> def main():
> import pysftp
> with pysftp.Connection('ftp.remote.com', username='me', password='ucl20 11') as sftp:
> print('top level')
> print(sftp.listdir())
> print(sftp.normalize('XXXX'))
>
> if __name__ == '__main__':
> main()
> (tpy3) rptlab at app1:~/tmp/tpy3
> $ python tsftp.py
> top level
> ['XXXX']
> Traceback (most recent call last):
> File "tsftp.py", line 9, in <module>
> main()
> File "tsftp.py", line 6, in main
> print(sftp.normalize('XXXX'))
> File "/home/rptlab/tmp/tpy3/lib/python3.6/site-packages/pysftp/__init__.py", line 640, in normalize
> return self._sftp.normalize(remotepath)
> File "/home/rptlab/tmp/tpy3/lib/python3.6/site-packages/paramiko/sftp_client.py", line 632, in normalize
> t, msg = self._request(CMD_REALPATH, path)
> File "/home/rptlab/tmp/tpy3/lib/python3.6/site-packages/paramiko/sftp_client.py", line 813, in _request
> return self._read_response(num)
> File "/home/rptlab/tmp/tpy3/lib/python3.6/site-packages/paramiko/sftp_client.py", line 865, in _read_response
> self._convert_status(msg)
> File "/home/rptlab/tmp/tpy3/lib/python3.6/site-packages/paramiko/sftp_client.py", line 894, in _convert_status
> raise IOError(errno.ENOENT, text)
> FileNotFoundError: [Errno 2] No such file.
this is what real sftp does
> (tpy3) rptlab at app1:~/tmp/tpy3
> $ sshpass -p ucl2011 sftp me at ftp.remote.com
> Connected to ftp.remote.com.
> sftp> cd XXXX
> sftp> pwd
> Remote working directory: /XXXX
> sftp> ls
> OLD GR ........
> ZZZZZ.pdf
> sftp> ^D
> (tpy3) rptlab at app1:~/tmp/tpy3
--
Robin Becker
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