Re: [Duplicity-talk] Duplicity emerge on gentoo (problem)

[Richard Scott]

LOL, that should have been "Why not do the following"! ;-)

> Hi,
>
>
> You'll most likely find that the latest version available via the Gentoo 
> portage system is only
> 0.4.9 at best. This is way out of date, given the latest is 0.5.01.
>
>
> What not do the following:
>
>
> edit /etc/make.conf and add: PORTDIR_OVERLAY=/opt/portage
>
>
> then at the command line do this:
>
> # mkdir -p /opt/portage/app-backup/duplicity
> # cd /opt/portage/app-backup/duplicity
> # cp /usr/portage/app-backup/duplicity/duplicity-0.4.9.ebuild 
> duplicity-0.5.01.ebuild
> # ebuild duplicity-0.5.01.ebuild digest
> # emerge -av duplicity
>
>
> This should then install the latest version of duplicity :-)
>
>
> Thanks,
>
>
> Richard.
>
>
>
>> My system is gentoo linux 2.6.20 #7 (vanilla).  I recently emerged the
>> duplicity tool.
>>
>> When I first installed it and attempted to execute it I received the
>> following error:
>>
>> # duplicity -v9
>> Traceback (most recent call last):
>> File "/usr/bin/duplicity", line 29, in <module>
>> from duplicity import collections, commandline, diffdir, dup_temp, \ 
>> ImportError: No module
>> named duplicity
>>
>> I figured that I was missing some dependency or something and I
>> finally figured out the problem.  The reason duplicity was not working was 
>> because python could
>> not find the installed duplicity module.  I first checked for the duplicity 
>> module in my python
>> install directory like so:
>>
>> # ls -R /usr/lib/python2.5/site-packages/duplicity
>> ls: cannot access /usr/lib/python2.5/site-packages/duplicity: No such
>> file or directory
>>
>> It was not installed there.  I then noticed that I had two version of
>> python installed (2.4 and 2.5).  So, naturally, I ran:
>>
>> # ls -R /usr/lib/python2.4/site-packages/duplicity
>> <a whole bunch of files were listed>
>>
>>
>>
>> Okay, so it's installed for python v2.4 but not 2.5.  Hmmm...so I wonder:
>>
>>
>>
>> # ls /usr/bin/python
>> lrwxrwxrwx 1 root root 9 Sep 19 05:00 /usr/bin/python -> python2.5*
>>
>> So even though the symlink is (and was) pointing to python v2.5 when I
>> installed duplicity, duplicity was still installed for the older version of 
>> python.
>>
>> Just to be sure that duplicity really would work with the old version
>> of python I changed the symlink to point to python2.4 instead - and 
>> duplicity worked great.
>>
>> So I know how to fix the bug, the only thing is I would like to put
>> the symbolic link back the way it was (pointing to python2.5).  How can I do 
>> that and still get
>> duplicity to use python2.4?
>>
>> The gentoo emerge tool tells me that I have dependencies for both
>> python 2.4 and 2.5 so I don't want to uninstall either of them permanently.
>>
>> I tried copying & pasting the duplicity module files from the
>> python2.4 site-packages directory and into the python2.5 site-package 
>> directory and (as I
>> expected) python spits out a ton of errors (when I try to run duplicity) 
>> about the duplicity
>> modules having been built with an older (2.4) API and that duplicity will 
>> not work with 2.5.
>>
>> I figured out the major bug but I need some help on this little one.
>> That is, how can I point the python symlink back to python2.5 and
>> still have duplicity work?  Can anyone offer some help with this? Please. :-)
>>
>>
>> Thanks!
>>
>>
>>
>> --
>> Jonathon
>>
>>
>>
>>
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>>
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