Importing h5py in python console fails

[Jibede]

What is the bug or the crash?

Console Python

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import h5py
Traceback (most recent call last):
File "C:\PROGRA1\QGIS321.0\apps\Python39\lib\code.py", line 90, in runcode
exec(code, self.locals)
File "", line 1, in
File "C:\PROGRA1/QGIS321.0/apps/qgis/./python\qgis\utils.py", line 888, in _import
mod = builtin_import(name, globals, locals, fromlist, level)
File "C:\Users\dodeur\AppData\Roaming\Python\Python39\site-packages\h5py_init.py", line 33, in
from . import version
File "C:\PROGRA1/QGIS321.0/apps/qgis/./python\qgis\utils.py", line 888, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:\Users\dodeur\AppData\Roaming\Python\Python39\site-packages\h5py\version.py", line 15, in
from . import h5 as _h5
File "C:\PROGRA1/QGIS321.0/apps/qgis/./python\qgis\utils.py", line 888, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "h5py\h5.pyx", line 1, in init h5py.h5
File "C:\PROGRA1/QGIS321.0/apps/qgis/./python\qgis\utils.py", line 888, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed while importing defs: La procédure spécifiée est introuvable.

Steps to reproduce the issue

open QGIS, python console :
import h5py

Versions

3.10, 3.16, 3.28, 3.32

Supported QGIS version

• I'm running a supported QGIS version according to the roadmap.

New profile

• I tried with a new QGIS profile

Additional context

I tried to reopen this issue : #29439 but did not managed.

[agiudiceandrea]

Hi @Jibede, thanks for reporting. It seems to me this issue is related to an additional Python package installed by you and not to QGIS itself.
I suggest you to create a ticket on https://trac.osgeo.org/osgeo4w/ or subscribe and send an e-mail message to the https://lists.osgeo.org/mailman/listinfo/osgeo4w-dev mailing list.

Please see also https://trac.osgeo.org/osgeo4w/ticket/459 and h5py/h5py#828.

[Jibede]

Thx for the reply @agiudiceandrea .
The h5py import seems to work well within the osgeo4w shell. The issue lasts for years now for what I've seen. I am not skilled enough to solve it within QGIS by myslef (and I don't have permissions on my computer I guess.)
Thanks also for the ticket update on trac.osgeo.

[agiudiceandrea]

h5py import seems to work well within the osgeo4w shell

@Jibede, how did you install QGIS and how did you install the h5py Python module? What is the h5py Python module version?

Judging form the paths shown in the error messages, it looks like the QGIS installation have mixed path to different Python packages directory in your system:
C:\Users\dodeur\AppData\Roaming\Python\Python39\
C:\PROGRA1/QGIS321.0/apps/qgis/./python\qgis\utils.py

Have you tried if the issue does occur using a new QGIS user profile?

[Jibede]

@agiudiceandrea, first, I tried a pip install in the osgeo4W shell. It was installed in my user directory because I don't have permissions in the install dir in program files directory.
Importing in python in osgeo4W shell works, but I get the error in qgis python console.
Then I tried on another computer on wich I have admin permissions. I did the same, this time it was installed in the QGIS installation folder (in program files), I got the same error.

The issue occurs using a new QGIS user profile in both cases, and on a fresh install too.

[Jibede]

The h5py version installed with pip is 3.9.0

[agiudiceandrea]

@Jibede, you need to install the python3-h5py package provided by OSGeo4W using the OSGeo4W Setup program.

[Jibede]

@agiudiceandrea ok I'll try this and let you know the results.