Impossible to charge TMMT Module

[TriformMoritz]

After installation (which also gave an error) the module is not charged and trying to charge it gives:

Impossible de charger l'extension 'teksi_module_management_tool' provoque une erreur lors de l'appel à sa méthode classFactory()

ImportError: cannot import name 'validate_core_schema' from 'pydantic_core' (C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic_core_init_.py)
Traceback (most recent call last):
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 478, in startPlugin
plugins[packageName] = package.classFactory(iface)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins\teksi_module_management_tool_init.py", line 34, in classFactory
from .teksi_module_management_tool_plugin import TMMTPlugin
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins\teksi_module_management_tool\teksi_module_management_tool_plugin.py", line 40, in
from oqtopus.gui.main_dialog import MainDialog # noqa: E402
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\teksi_module_management_tool\libs\oqtopus\gui\main_dialog.py", line 46, in
from .module_selection_widget import ModuleSelectionWidget # noqa: E402
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\teksi_module_management_tool\libs\oqtopus\gui\module_selection_widget.py", line 8, in
from ..core.modules_config import ModulesConfig
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\teksi_module_management_tool\libs\oqtopus\core\modules_config.py", line 1, in
from pydantic import BaseModel
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in import
mod = builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic_init.py", line 435, in getattr
module = import_module(module_name, package=package)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W\apps\Python312\Lib\importlib_init.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic\main.py", line 36, in
from ._internal import (
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic_internal_decorators.py", line 18, in
from ._core_utils import get_type_ref
File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 1100, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic_internal_core_utils.py", line 9, in
from pydantic_core import validate_core_schema as validate_core_schema
ImportError: cannot import name 'validate_core_schema' from 'pydantic_core' (C:\OSGeo4W\apps\Python312\Lib\site-packages\pydantic_core_init.py)

Version de Python : 3.12.11 (main, Jun 17 2025, 13:41:12) [MSC v.1943 64 bit (AMD64)]
Version de QGIS : 3.40.11-Bratislava Bratislava, df059ed19c

Chemin Python :
C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\teksi_module_management_tool\libs\oqtopus\libs
C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\teksi_module_management_tool\libs
C:/OSGeo4W/apps/qgis-ltr/./python
C:/Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python
C:/Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins
C:/OSGeo4W/apps/qgis-ltr/./python/plugins
C:\OSGeo4W\apps\grass\grass84\etc\python
C:\OSGeo4W\bin
C:\OSGeo4W\bin\python312.zip
C:\OSGeo4W\apps\Python312\DLLs
C:\OSGeo4W\apps\Python312\Lib
C:\Users\Moritz\AppData\Roaming\Python\Python312\site-packages
C:\OSGeo4W\apps\Python312
C:\OSGeo4W\apps\Python312\Lib\site-packages
C:\OSGeo4W\apps\Python312\Lib\site-packages\win32
C:\OSGeo4W\apps\Python312\Lib\site-packages\win32\lib
C:\OSGeo4W\apps\Python312\Lib\site-packages\Pythonwin
C:/Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python
C:\Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins\DataDrivenInputMask
C:\Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins\SwapVectorDirection
C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\qfieldsync\libqfieldsync_62853968a3cc98953ff7f41f8770a7f9d1b6a80e.whl
C:\Users/Moritz/AppData/Roaming/QGIS/QGIS3\profiles\Triform TEKSI/python/plugins\qgis_resource_sharing
C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\qgis_resource_sharing
C:\Users\Moritz\AppData\Roaming\QGIS\QGIS3\profiles\Triform TEKSI\python\plugins\qgis_resource_sharing\ext_libs

[ponceta]

You have to run :

pip install --upgrade pirogue pydantic psycopg

in your osgeo4w shell before launching QGIS as described in

#34

@3nids, @domi4484 could we do something QGIS side to check python requirements and reference python requirements plugin side? (Probably require some community engineering but this could ease the installation process and in the future even detect conflicts between plugin required librairies)

[TriformMoritz]

Thank you Arnaud. Yes I think we should, because I got the same error with the Oqtopus plugin and these incomprehensible error messages are really a thing which can make you stop using the program.
Question is: I have a working QGEP VSADSS 2015 Qgis user profil on the same computer.
So I created a new user profil and wanted to install TEKSI 2020
So actually, some python dependencies should be installed.
Do I risk that QGEP does not work anymore?
Should I use two computers?

[TriformMoritz]

And I had a problem, because there are two python version on the same computer (one for other programs) and windows does not know which one to use with pip.

[ponceta]

On windows use the osgeo4w shell which should be included with your QGIS installation:

[ponceta]

Nothing dramatic but when using qgep datamodel tool you will have to uninstall the newest versions of these librairies to perform a datamodel upgrade -> 1.6.3.

You can then install these again directly from the qgep plugin.

A good information point here :

python libraires are linked to the QGIS installation and NOT the QGIS profile
EXCEPT if they are shipped with the plugin (only pum is shipped with TMMT/oQtopus)

This could be maybe made more explicit in QGIS plugin docs :
https://docs.qgis.org/latest/en/docs/pyqgis_developer_cookbook/plugins/releasing.html

[sjib]

see also #36 - similar problem with libraries

[ponceta]

QGIS Upstream feature request :
qgis/QGIS#63461

[TriformMoritz]

Should I run osgeo4w shell as an administrator? Or log in as an administrator? Just a general comment: It is not good that an administrator is necessary only to install a plugin from TEKSI.

[ponceta]

As written in your error message, try it as --user

pip install --upgrade pirogue pydantic psycopg --user

As the cybersecurity increases every day, it's most plausible that it will not get easier in the future to bypass administrator rights to install softwares or pieces of softwares (like TEKSI modules)

The source for the --user packaging issue :
https://stackoverflow.com/questions/51912999/could-not-install-packages-due-to-an-environmenterror-winerror-5-access-is-de

[ponceta]

One other way as we do in Pully is to push python packages with the yearly install of QGIS :

osgeo4w-setup.exe -g -k --autoaccept -q -d -o -P qgis-ltr,python3-tools,python3-pip,python3-setuptools,python3-networkx,python3-lxml,python3-sqlalchemy,python3-geoalchemy2,proj-datumgrid-europe -s http://ftp.osuosl.org/pub/osgeo/download/osgeo4w/v2

But for pydantic we have to wait for QGIS to reference it into the official osgeo QGIS python repository ;)

[ponceta]

@TriformMoritz did any of the latest comments solve your issue? You will probably be interested in upgrading your TMMT plugin to the latest version to have a look at the latest fixes.

[TriformMoritz]

Yes, your description solved the issue, but we should implement an automatic install of dependencies AND have clear error messages with instructions what to do. No normal person could interprete the message I got.