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Re: [Duplicity-talk] Does duplicity rely on a special namespace abbrevia


From: edgar . soldin
Subject: Re: [Duplicity-talk] Does duplicity rely on a special namespace abbreviation in webdav respones?
Date: Wed, 27 Jul 2022 21:48:05 +0200
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0

Ken,

you've seen the mail about the name space ignoring parsing? ..ede

On 27.07.2022 20:23, Kenneth Loafman wrote:
That looks like a clean solution.

...Thanks,
...Ken


On Wed, Jul 27, 2022 at 12:20 PM edgar.soldin--- via Duplicity-talk 
<duplicity-talk@nongnu.org <mailto:duplicity-talk@nongnu.org>> wrote:

    On 27.07.2022 17:59, Kenneth Loafman via Duplicity-talk wrote:
     > I don't have the spec for WebDAV, but I'm guessing that your addition to duplicity 
will do no harm.  Perhaps you could submit a bug request with the fix to issues 
<https://gitlab.com/duplicity/duplicity/-/issues 
<https://gitlab.com/duplicity/duplicity/-/issues>> so we can track it.
     >
     > ...Thanks,
     > ...Ken
     >
     >
     > On Wed, Jul 27, 2022 at 6:22 AM Felix Prüter via Duplicity-talk <duplicity-talk@nongnu.org 
<mailto:duplicity-talk@nongnu.org> <mailto:duplicity-talk@nongnu.org 
<mailto:duplicity-talk@nongnu.org>>> wrote:
     >
     >     Hi ede,
     >     thanks for your fast reply!
     >
     >     Am 2022-07-19 12:11, schrieb edgar.soldin--- via Duplicity-talk:
     >>     duplicity is outdated and  not maintained any more. please upgrade 
to latest 0.8.23 and see if the error persists.
     >
     >     1) I know that the 0.7-series is EOL but my hoster still use it :-(
     >     2) The error persits even with the newest version
     >
     >>>     Does the webdav backend require a "d" as abbreviation for the xml 
namespace and does not parse the xml response otherwise?
     >>
     >>     can't tell, but feel free to have a look in
     >>
     >> https://gitlab.com/duplicity/duplicity/-/blob/main/duplicity/backends/webdavbackend.py 
<https://gitlab.com/duplicity/duplicity/-/blob/main/duplicity/backends/webdavbackend.py> 
<https://gitlab.com/duplicity/duplicity/-/blob/main/duplicity/backends/webdavbackend.py 
<https://gitlab.com/duplicity/duplicity/-/blob/main/duplicity/backends/webdavbackend.py>>
     >
     >     My assumption seems to be correct: in the webdavbackend.py in line 
349
     >
     >>     for href in dom.getElementsByTagName(u'd:href') + 
dom.getElementsByTagName(u'D:href'):
     >
     >     Adding an additional dom.getElementsByTagName(u'ns0:href') to that 
line solves the problem!
     >
     >     Question: is it conceivable that the namespace prefix gets 
configurable within duplicity?
     >     Or should that issue ("wrong" namespace prefix: ns0 instead of d/D) 
be solved on the backend's side?

    quick search
       spec - http://www.webdav.org/specs/rfc4918.xml#METHOD_PROPFIND 
<http://www.webdav.org/specs/rfc4918.xml#METHOD_PROPFIND>
       example - 
https://github.com/laurent22/joplin/commit/01614b5a136cab669e961ef4d1b95c3738afad6a 
<https://github.com/laurent22/joplin/commit/01614b5a136cab669e961ef4d1b95c3738afad6a>
    suggests that the namespace(s) should be parsed from the response and used 
accordingly.

    surely that'd be the cleaner solution.

    ..ede


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