bug#49979: Duplicity BackendException: No module named 'paramiko'

[Cayetano Santos]

> mer. 11 août 2021 at 18:25, Leo Famulari ...

> On Wed, Aug 11, 2021 at 11:49:01AM +0200, Cayetano Santos wrote:
> > Sure. Just issue a
> >
> >    guix install duplicity
> >
> > and then
> >
> >    duplicity /tmp sftp://dummy_user@sftp.server/dummy_backup
> >
> > you’ll get a
> >
> > BackendException: Could not initialize backend: No module named 
> > 'paramiko'
>
> > message.
>
> Thanks! I tested by adding python-paramiko to native-inputs [0], 
> changed
> the dummy values to something meaningful, and tried your 
> command:
>
> ------
> $ duplicity /tmp sftp://leo@domain/dummy_backup
> Local and Remote metadata are synchronized, no sync needed.
> Last full backup date: none
> GnuPG passphrase for decryption: %
> ------
>
> I didn't go past that point but it seems to fix the specific bug 
> you
> reported. So, I pushed the change:
>
> https://git.savannah.gnu.org/cgit/guix.git/commit/?id=b1c97ff60b8ac8205d878fec3af8d02ffdf601fe
>
> You can do `guix pull --commit=b1c97ff60b8 && guix package 
> --upgrade=duplicity`
> to get the new version of the package.
>
> [0] It's unusual for run-time dependencies like paramiko to be a
> native-input. Typically, native-inputs are just build-time 
> dependencies.
> Maybe there is some room for improvement in our Duplicity 
> package...
>
> https://guix.gnu.org/manual/en/html_node/package-Reference.html

Fixed, thanks !