[PROJ] Conda for PROJ

Javier Jimenez Shaw j1 at jimenezshaw.com
Mon Mar 17 12:30:48 PDT 2025


Hi

PROJ 9.6.0 is since today in conda-forge. Thanks Mike and Mike.

However, trying to install it with QGIS, it gives me this error:

conda install -c conda-forge proj=9.6.0
...
├─ proj 9.6.0**  is requested and can be installed;
└─ qgis is not installable because there are no viable options
   ├─ qgis [3.40.1|3.40.2|3.40.3|3.42.0] would require
   │  └─ proj >=9.5.1,<9.6.0a0 , which conflicts with any installable
versions previously reported;

I guess that I have to wait until QGIS is compiling with PROJ 9.6.0, right?
Is there any hacky workaround? (apart from compiling QGIS myself)

Cheers,
Javier.

On Sun, 16 Mar 2025 at 23:31, Mike Taves <mwtoews at gmail.com> wrote:

> Two quick follow ups on my previous message...
>
> On Mon, 17 Mar 2025 at 09:46, Mike Taves <mwtoews at gmail.com> wrote:
> >
> > Conda-forge doesn't really go through the release candidate stage
> > testing rounds (or I haven't seen it).
>
> I've since found the process for testing release candidates, so I'll
> opt in proj for that process (eventually):
> https://github.com/conda-forge/proj.4-feedstock/issues/154
>
> > As for OSGeo4W, I've created https://trac.osgeo.org/osgeo4w/ticket/875
> > to task these updates.
>
> Jürgen Fischer is quick to respond. Updates for proj and proj-data are
> already available for OSGeo4W.
>
> Updates for conda-forge should probably make it in later today.
>
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