[ftputil] Empty listdir in non empty directory

Rodrigo Santellan rsantellan at gmail.com
Thu May 4 14:26:57 CEST 2017


Mattias,

For what I see there is no -a flag on the ftputils library.

I'm thinking that the problem could be the ftplib library (
https://docs.python.org/3/library/ftplib.html).

I can't find any documentation about why is passing the -a flag. What it
does on the ftp protocol. What operating system are you running the script?

Regards

On Thu, May 4, 2017 at 5:10 AM, Mattias <mb at bokesand.se> wrote:

> Thanks for your suggestion.
> I made the testing program listed below and got the result also listed
> below.
> It looks like the WinCE ftp-server doesn't respond to LIST -a.
> I made some testing in ordinary commandline ftp-client and I get correct
> result from "dir" and "ls", but empty result from "dir -a" and "ls -a".
> (verified with wireshark that ftp-client issue "LIST -a" when I type "dir
> -a")
> Is it possible to remove the -a when using ftputil?
>
> Best Regards
> Mattias
>
>
>
> import ftplib
> import ftputil
> import ftputil.session
>
> my_session_factory = ftputil.session.session_factory(
> base_class=ftplib.FTP,
> port=21,
> encrypt_data_channel=False,
> debug_level=2)
>
> host = ftputil.FTPHost('192.168.10.83', 'ABC', '123',
> session_factory=my_session_factory)
> names = host.listdir(host.curdir)
> print (names)
> host.close()
>
>
>
> python MoveFinishedLogs3.py
> *cmd* 'USER ABC'
> *put* 'USER ABC\r\n'
> *get* '331 User name okay, need password.\r\n'
> *resp* '331 User name okay, need password.'
> *cmd* 'PASS ***'
> *put* 'PASS ***\r\n'
> *get* '230 User logged in, proceed.\r\n'
> *resp* '230 User logged in, proceed.'
> *cmd* 'PWD'
> *put* 'PWD\r\n'
> *get* '257 "/".\r\n'
> *resp* '257 "/".'
> *cmd* 'CWD /'
> *put* 'CWD /\r\n'
> *get* '250 Requested file action okay, completed.\r\n'
> *resp* '250 Requested file action okay, completed.'
> *cmd* 'CWD /'
> *put* 'CWD /\r\n'
> *get* '250 Requested file action okay, completed.\r\n'
> *resp* '250 Requested file action okay, completed.'
> *cmd* 'TYPE A'
> *put* 'TYPE A\r\n'
> *get* '200 Command okay.\r\n'
> *resp* '200 Command okay.'
> *cmd* 'PASV'
> *put* 'PASV\r\n'
> *get* '227 Entering Passive Mode (192,168,10,83,192,35).\r\n'
> *resp* '227 Entering Passive Mode (192,168,10,83,192,35).'
> *cmd* 'LIST -a'
> *put* 'LIST -a\r\n'
> *get* '125 Data connection already open; transfer starting.\r\n'
> *resp* '125 Data connection already open; transfer starting.'
> *get* '226 Closing data connection. \r\n'
> *resp* '226 Closing data connection. '
> *cmd* 'CWD /'
> *put* 'CWD /\r\n'
> *get* '250 Requested file action okay, completed.\r\n'
> *resp* '250 Requested file action okay, completed.'
> []
>
> On 4 May 2017 at 04:09:33 +02:00, Rodrigo Santellan <rsantellan at gmail.com>
> wrote:
>
> Hi Mattias,
> When I had troubles with the connection I increased the debug level.
>
> Can you try: http://ftputil.sschwarzer.net/trac/wiki/Documentation#
> session-factories creating a session factory with debug 2 and posting the
> output?
> Regards
>
> On Wed, May 3, 2017 at 5:32 PM, Mattias <mb at bokesand.se> wrote:
>
> Hi
> I have a problem with ftputil.
> I get empty result fromlistdir.
> If it matters my ftp-server runs on Windows CE 7.0 and the client running
> my python script runs on a raspberry pi (raspbian jessie lite)
>
>
> host = ftputil.FTPHost('192.168.10.83', 'abc', '123')
> names = host.listdir(host.curdir)
> print (names)
>
> returns just []
>
> But:
> # File: ftplib-example-1.py
> import ftplib
> ftp = ftplib.FTP("192.168.10.83")
> ftp.login("abc", "123")
> data = []
> ftp.dir(data.append)
> ftp.quit()
> for line in data:
>     print "-", line
>
> returns a long list like
> ...
> - 06-08-15  19:57                64505 Elekta20150608_13_48.csv
> - 06-11-15  19:31                87932 Elekta20150611_11_14.csv
> - 06-16-15  18:51                78498 Elekta20150616_11_37.csv
> ...
>
>
> Any ideas what could be wrong?
>
> Thanks in advance
> /Mattias Bokesand
>
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>
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