[QGIS-Developer] locate proj.db used by Qgis from python plugin or script

[Jacques Beilin]

Hi,

Great. Thanks a lot.

Jacques

Le 14/05/2025 à 23:07, Even Rouault a écrit :
>
> Hi,
>
> >>> from osgeo import osr
> >>> osr.GetPROJSearchPaths()
> ['/home/even/.local/share/proj', 
> '/home/even/proj/install-proj-master/share/proj', 
> '/home/even/proj/install-proj-master/share/proj']
>
> and look up for proj.db in one of the above directories. The first one 
> found will be the one used
>
> Even
>
> Le 14/05/2025 à 22:59, Jacques Beilin via QGIS-Developer a écrit :
>> Dear colleagues,
>>
>> I have already sent my question on the qgis-user list but someone told me it should be bette to ask on Qgis-dev.
>>
>> I am working on the plugin IdentifProj (https://plugins.qgis.org/plugins/IdentifProj/). For the developpement of the plugin I would like to acces to the CRS definition file (proj.db).
>>
>> Is there a way to locate the proj.db on the system (and precisely the version which is currentely used by qgis) ? I would like to be able to load it from python to get some informations which are not available from QgsCoordinateReferenceSystem class.
>>
>> Best regards,
>> Jacques
>> -- 
>> ______________________________________________________________________________________ 
>>
>> <https://www.ensg.eu/Collecte-de-la-taxe-d-apprentissage>
>> Jacques BEILIN
>> Responsable des enseignements en Géodésie, Mathématiques, Métrologie 
>> et Topométrie
>> Responsable pédagogique de la filière ingénieur 3e année 
>> Photogrammétrie, Positionnement, Mesure de Déformations (PPMD)
>> École Nationale des Sciences Géographiques
>> Cité Descartes, 6-8 Avenue Blaise Pascal, 77420 Champs-sur-Marne
>> ign.fr - ensg.eu - geoportail.fr
>>
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> -- 
> http://www.spatialys.com
> My software is free, but my time generally not.
-- 
______________________________________________________________________________________ 

<https://www.ensg.eu/Collecte-de-la-taxe-d-apprentissage>
Jacques BEILIN
Responsable des enseignements en Géodésie, Mathématiques, Métrologie et 
Topométrie
Responsable pédagogique de la filière ingénieur 3e année 
Photogrammétrie, Positionnement, Mesure de Déformations (PPMD)
École Nationale des Sciences Géographiques
Cité Descartes, 6-8 Avenue Blaise Pascal, 77420 Champs-sur-Marne
ign.fr - ensg.eu - geoportail.fr
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