[Qgis-user] FW: Couldn't load SIP module - Windows 10

[Alexandre Neto]

Meanwhile, I have been installing anaconda on a windows machine, and I saw
something new.
Have you set Anaconda python to be the default python? I think you
shouldn't.

Please notice that QGIS on conda-forge is not as feature-rich as the one
provided by osgeo4w. There's no GRASS or SAGA, no proprietary drivers to
open ECW and other proprietary formats, and so on.

Alexandre Neto

On Tue, Oct 5, 2021 at 8:12 PM Fred Perloff <fred at perloff.us> wrote:

> Prior to starting QGIS:
>
>
> Path=C:\PROGRA~1\QGIS32~1.3\apps\qt5\bin;C:\PROGRA~1\QGIS32~1.3\apps\Python39\Scripts;C:\PROGRA~1\QGIS32~1.3\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\WBem
>
> PYTHONHOME=C:\PROGRA~1\QGIS32~1.3\apps\Python39
>
>
> PYTHONPATH=C:\ProgramData\Anaconda3;C:\ProgramData\Anaconda3\DLLs;C:\ProgramData\Anaconda3\lib;C:\ProgramData\Anaconda3\lib\site-packages;C:\ProgramData\Anaconda3\lib\site-packages\win32;C:\ProgramData\Anaconda3\lib\site-packages\win32\lib;C:\ProgramData\Anaconda3\lib\site-packages\Pythonwin;
>
> QGIS_PREFIX_PATH=C:/PROGRA~1/QGIS32~1.3/apps/qgis
>
>
> QT_PLUGIN_PATH=C:\PROGRA~1\QGIS32~1.3\apps\qgis\qtplugins;C:\PROGRA~1\QGIS32~1.3\apps\qt5\plugins
>
>
>
> After starting QGIS from OSGeo4W shell:
>
>
> Path=C:\PROGRA~1\QGIS32~1.3\apps\qgis\bin;C:\PROGRA~1\QGIS32~1.3\apps\grass\grass78\lib;C:\PROGRA~1\QGIS32~1.3\apps\grass\grass78\bin;C:\PROGRA~1\QGIS32~1.3\apps\qt5\bin;C:\PROGRA~1\QGIS32~1.3\apps\Python39\Scripts;C:\PROGRA~1\QGIS32~1.3\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\WBem
>
> PYTHONHOME=C:\PROGRA~1\QGIS32~1.3\apps\Python39
>
>
> PYTHONPATH=C:\ProgramData\Anaconda3;C:\ProgramData\Anaconda3\DLLs;C:\ProgramData\Anaconda3\lib;C:\ProgramData\Anaconda3\lib\site-packages;C:\ProgramData\Anaconda3\lib\site-packages\win32;C:\ProgramData\Anaconda3\lib\site-packages\win32\lib;C:\ProgramData\Anaconda3\lib\site-packages\Pythonwin;
>
> QGIS_PREFIX_PATH=C:/PROGRA~1/QGIS32~1.3/apps/qgis
>
>
> QT_PLUGIN_PATH=C:\PROGRA~1\QGIS32~1.3\apps\qgis\qtplugins;C:\PROGRA~1\QGIS32~1.3\apps\qt5\plugins
>
>
>
> PYTHONPATH is owned by Anaconda – QGIS doesn’t seem to touch that variable.
>
> When QGIS starts, it prepends apps\qgis\bin and app\Python39\Scripts to
> the PATH
>
>
>
> I started python from the OSGeo4W console. Here’s output of sys.path:
>
>
>
> ['', 'C:\\ProgramData\\Anaconda3', 'C:\\ProgramData\\Anaconda3\\DLLs',
> 'C:\\ProgramData\\Anaconda3\\lib',
> 'C:\\ProgramData\\Anaconda3\\lib\\site-packages',
> 'C:\\ProgramData\\Anaconda3\\lib\\site-packages\\win32',
> 'C:\\ProgramData\\Anaconda3\\lib\\site-packages\\win32\\lib',
> 'C:\\ProgramData\\Anaconda3\\lib\\site-packages\\Pythonwin', 'C:\\Program
> Files\\QGIS 3.20.3', 'C:\\PROGRA~1\\QGIS32~1.3\\bin\\python39.zip',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\DLLs',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\lib',
> 'C:\\PROGRA~1\\QGIS32~1.3\\bin',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\lib\\site-packages',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\lib\\site-packages\\win32',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\lib\\site-packages\\win32\\lib',
> 'C:\\PROGRA~1\\QGIS32~1.3\\apps\\Python39\\lib\\site-packages\\Pythonwin']
>
>
>
> Anaconda goes first, before QGIS. I’m not surprised that QGIS can’t find
> its modules.
>
>
>
> I think I’ll uninstall QGIS, and reinstall from conda-forge.
>
>
>
> *From: *Richard Duivenvoorde <rdmailings at duif.net>
> *Sent: *Sunday, October 3, 2021 2:59 AM
> *To: *qgis-user at lists.osgeo.org
> *Cc: *Fred Perloff <fred at perloff.us>
> *Subject: *Re: [Qgis-user] FW: Couldn't load SIP module - Windows 10
>
>
>
> On 10/2/21 8:35 PM, Fred Perloff wrote:
>
> > Thank you for your prompt and insightful replies!
>
> >
>
> > I decided to clean the slate – I uninstalled Anaconda & OsGEO4w, and
> rebooted. The PATH was clear of any references to python(s) and there were
> no PYTHONPATH or PYTHONHOME variables.
>
> >
>
> > I reinstalled Anaconda, and made sure that I did NOT add conda to PATH.
> I installed QGIS desktop 3.20 and started the program. I received a very
> similar error message to last time. Both QGIS and Anaconda write to “Python
> path,” though >QGIS entries are first in order.
>
>
>
> Can you start/stop QGIS from the osgeo4w.bat terminal and check the values
> of PATH and PYTHONPATH there? Just to be sure that osgeo4w is ONLY pointing
> to the python versions of osgeo4w (and not tainted by conda's).
>
>
>
> Also: not only check python but also available QT/sip related environment
> variables.
>
>
>
> Another check:
>
> (mmm wanted to ask you to check sys.path in python console in QGIS... but
> THAT you do not have :-)
>
> Then: for the osgeo4w.bat terminal start python and in that console:
>
> import sys
>
> print(sys.path)
>
> and check which path's osgeo4w python is seeing/using?
>
>
>
> (note: you could do the same in the conda environment)
>
>
>
> Another work around: do not use the osgeo4w QGIS, but the conda QGIS?
>
>
>
> Regards,
>
>
>
> Richard Duivenvoorde
>
>
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