Re: [Duplicity-talk] local_path.exists() fails when testing a new backend

[edgar . soldin]

it is a _development_ repository.. yes, please update your local branch.

..ede

On 10.07.2014 16:24, address@hidden wrote:
> Hi,
> 
> I don't remember exactly the version number that I'm using, but I took
> it recently (few weeks ago) from your upcoming 0.7 devel branch.
> I can update it again if you want, no problems.
> 
> On 9 July 2014 23:45, Michael Terry <address@hidden> wrote:
>> Are you using at least r992 of trunk?  It fixed an issue with that error
>> message.
>> -mt
>>
>>
>> On 9 July 2014 18:33, address@hidden <address@hidden> wrote:
>>>
>>> Hi guys,
>>>
>>> sorry if I ask again, but has anyone an idea why that backend call is
>>> failing?
>>> I would really appreciate your help. We are really close to complete
>>> the backend for Skylable client and this would be an additional
>>> opportunity also for Duplicity.
>>>
>>> Thank you so much for your help.
>>>
>>> Cheers.
>>>
>>>
>>> On 3 July 2014 21:32, address@hidden <address@hidden> wrote:
>>>> Hi guys,
>>>>
>>>> as you probably know I'm working on the Duplicity backend for Skylable
>>>> service. I'm basing my work on your "devel" branch (0.7.x) and you can
>>>> find my work in progress here:
>>>> https://github.com/andreagrandi/duplicity-sx
>>>>
>>>> Now, let's go to the issue. It looks like I've problems implementing
>>>> the _get method of my backend.
>>>>
>>>> On high level, this is the error I get when I execute a command like
>>>> this:
>>>>
>>>> PYTHONPATH=. ./bin/duplicity -v9 sx://indian.skylable.com/vol-andy80/
>>>> ./test-bkp
>>>>
>>>> output here: http://pastebin.com/JF4LuWXZ
>>>>
>>>> Debugging my code with ipdb I can see this:
>>>>
>>>>>
>>>>> /home/andrea/Downloads/duplicity/duplicity/backends/sxbackend.py(39)_get()
>>>>      38         commandline = "sxcp {0} {1}".format(remote_path,
>>>> local_path.name)
>>>> ---> 39         self.subprocess_popen(commandline)
>>>>      40
>>>>
>>>> ipdb> n
>>>>> /home/andrea/Downloads/duplicity/duplicity/backend.py(541)get()
>>>>     540             self.backend._get(remote_filename, local_path)
>>>> --> 541             if not local_path.exists():
>>>>     542                 raise BackendException(_("File %s not found
>>>> locally after get "
>>>>
>>>> ipdb> local_path.exists()
>>>> ipdb> local_path
>>>> (() /tmp/duplicity-V8v6rE-tempdir/mktemp-0tsmWi-2 None)
>>>>
>>>> as you can see the .exists() method doesn't return anything, while
>>>> inspecting the object it contains a file that I've verified being
>>>> existing (the only two things that I don't understand are: is that
>>>> empty tumple at the beginning ok? It's the None at the end ok?):
>>>>
>>>> andrea-Inspiron-660:duplicity andrea [master] $ ls -al
>>>> /tmp/duplicity-V8v6rE-tempdir/mktemp-0tsmWi-2
>>>> -rw-rw-r-- 1 andrea andrea 4455795 lug  3 21:20
>>>> /tmp/duplicity-V8v6rE-tempdir/mktemp-0tsmWi-2
>>>>
>>>> The code of course fails because tha exists() fails:
>>>>
>>>>> /home/andrea/Downloads/duplicity/duplicity/backend.py(542)get()
>>>>     541             if not local_path.exists():
>>>> --> 542                 raise BackendException(_("File %s not found
>>>> locally after get "
>>>>     543                                          "from backend") %
>>>> util.ufn(local_path.name))
>>>>
>>>> Now my question is: why the .exists() fails if the path exists? What's
>>>> wrong with my code?
>>>>
>>>> Thank you so much. Cheers.
>>>>
>>>> --
>>>> Andrea Grandi -  Software Engineer / Qt Ambassador / Nokia Developer
>>>> Champion
>>>> website: http://www.andreagrandi.it
>>>
>>>
>>>
>>> --
>>> Andrea Grandi -  Software Engineer / Qt Ambassador / Nokia Developer
>>> Champion
>>> website: http://www.andreagrandi.it
>>>
>>> _______________________________________________
>>> Duplicity-talk mailing list
>>> address@hidden
>>> https://lists.nongnu.org/mailman/listinfo/duplicity-talk
>>
>>
>>
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>>
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