lensfun-update-data for Ubuntu 19.10?

Inchoate · May 3, 2020, 6:19pm

I recently installed Kubuntu 19.10 and the latest development version of darktable and found that my lens was not detected. So, naturally I went to update my lensfun database and found that I didn’t have lensfun-update-data on my system.
Ok, so I went to the repository to find the lensfun deb package that provides that executable and cant find anything. I went through all 7 lensfun related deb packages and none of them contain lensfun-update-data.
Can anybody tell me how I can either get it or provide some other means of updating my lens database?

Thanks!

paperdigits · May 3, 2020, 6:33pm

Did you try with sudo or as root?

ggbutcher · May 3, 2020, 7:18pm

It’s a python script, and the latest copy is here:

github.com

lensfun/lensfun/blob/master/apps/lensfun-update-data

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""This program fetches the latest version of the Lensfun database from the
Internet and places it on the local system.  This way, the user can update the
database conveniently.  Unfortunately, we have to take into account that the
Git database may have a too new format for the locally installed Lensfun.
Then, it may fetch backports of the database from other URLs.

This program must be called with root privileges.  It stores the new database
in `/var/lib/lensfun-updates`.

The repository of databases resides at a base URL.  Below that URL, there is
the file versions.json.  It contains a list with three elements.  The first is
the database timestamp, the second is a list of available version numbers, and
the third is a list of strings which represents further alternative base URLs
to look at.  So, the file may contain the following::

    [1386797501, [1, 2, 3], ["http://wilson.bronger.org/"]]

This file has been truncated. show original

Go to the link, click the “raw” button to display the file unadorned by github, and save it somewhere on your hard drive. Now, you need python to run the script…

sugarbravo · May 3, 2020, 7:47pm

(K)Ubuntu 19.10 here. lensfun-update-data seems to come in liblensfun-bin package.

$ dpkg -S lensfun-update-data 
liblensfun-bin: /usr/bin/lensfun-update-data
... ... ...

Inchoate · May 3, 2020, 10:29pm

Thanks so much for your help! Installing liblensfun-bin took care of it!