On 3/08/20 17:44, Sebastiaan Couwenberg wrote:
On 8/3/20 4:59 PM, Moritz Lennert wrote:
On 3/08/20 16:37, Sebastiaan Couwenberg wrote:
On 8/3/20 4:16 PM, Moritz Lennert wrote:
I have a small question concerning the best way to include a very small
dataset into the distribution of GRASS GIS. We are currently working on
the revamping of the GRASS GIS GUI startup experience, and have the
currently proposed solution is that GRASS GIS could start up
automatically creating a grassdata database and a default lat-long
location which would contain just a simple NaturalEarth world country
boundaries dataset.
In some OS (e.g. MS Windows), such a demolocation is included in the
distribution, but in Debian it is deleted before installation (IIUC what
happens in the rules file at [1]).
IIRC, Debian does normally not allow data to be distributed with
binaries. One option would be to put the data directly into the Python
code creating this location. Would that be acceptable for Debian ? What
kind of solution would you recommend ?
If the database can be built from source as part of the build process
e.g. like proj.db in PROJ, it can be included in the package (assuming
its license is DFSG compatible).
Where is "this location"?
If it's usr/lib/grassXY/demolocation, that's problematic because it's
not writable by unprivileged users. A subdirectory of $XDG_DATA_HOME
(e.g. $HOME/.local/share/grass) would be more suitable.
Actually, the idea currently is that a new user without any grassdata
will just get a grassdata directory automagically created during startup
and the /usr/lib/grassXY/demolocation would simply be copied into that
new grassdata directory. GRASS GIS would then directly start up into
that location.
So, the idea would be that during build /usr/lib/grassXY/demolocation is
created.
I don't know why the demolocation was never included in the package,
looking at the repo history it has always been like that since way
before I got involved.
I've pushed a change to include the directory in the grass-core package:
https://salsa.debian.org/debian-gis-team/grass/-/commit/faa570fd3357b1267d237fc0ee9b3386ce83479d
That can be used as the source for the user writable copy.
Thanks !
Moritz
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