On 01.12.2023 15:38, Adrian Sevcenco wrote:
> On 01.12.2023 15:04, Guilherme Amadio wrote:
>> Hi Adrian,
> Hi!
>
>> On Fri, Dec 01, 2023 at 02:57:25PM +0200, Adrian Sevcenco wrote:
>>> On 01.12.2023 14:40, Guilherme Amadio wrote:
>>>> Dear Adrian,
>>> Hi!
>>>
>>>> On Fri, Dec 01, 2023 at 02:34:34PM +0200, Adrian Sevcenco wrote:
>>>>> Hi! What would be standard way to set xattrs in a xrdcp uri? (through opaque params)
>>>>
>>>> Attributes are set using xrdfs instead of xrdcp. Please take a
>>>> look at the manual page for xrdfs. Here's the syntax:
>>>>
>>>>      xrdfd root://<host> xattr <path> <code> <params>
>>>>        Operation on extended attributes. Codes:
>>>>
>>>>        set   <attr>          Set extended attribute; <attr> is
>>>>                                string of form name=value
>>>>        get   <name>          Get extended attribute
>>>>        del   <name>          Delete extended attribute
>>>>        list                  List extended attributes
>>>>
>>>> I hope this answers your question.
>>> well, yes and no :) yes i was aware of xrdfs possibility, i was hoping that
>>> is doable through copy process by setting some cgi in the uri ...
>>
>> I don't think there's a way to set xattrs by adding cgi to the
>> destination URL, but what you can do is to set the attributes locally
>> and use the --xattrs option from xrdcp to preserve them when copying the
>> file over. Is that good enough?
> yes, this is perfect!! (especially that is already available :) )
>
> now, the problem is if that is available for python bindings :)
> I see that there is PreserveXAttrs for env, would it work to do:
> xrd_client.EnvPutInt('PreserveXAttrs', 1) ?
>
>>> Is there a technical reason for which this is not implemented? Would you take
>>> a request for such a feature?
>>
>> I suppose I can discuss this with Andy in my next meeting, but if an
>> existing methods works well enough for you, that would probably be
>> better.
> Well, if the above works then the mission is already accomplished, there is nothing
> better than this :)

On a second thought this is a bit problematic .. the file can already have a lots of unrelated
and private used xattrs, so i will try to solve my problem now with a second xrdfs like call

Thanks a lot!
Adrian

>
> Thanks a lot!!
> Adrian



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