[Qgis-user] How to get Spyder IDE working with QGIS

[John Walker]

Thanks Luca,

That script is actually similar to the script contained
in C:\OSGeo4W64\bin\python-qgis.bat which I have been testing. When I open
a OSGeo4W Shell and execute that script and type 'import qgis.core' into
the python console, it has no issues. When I exit the python console
(pressing ctrl-z) and start spyder3 (which I pip installed previously) it
have no issues with 'import qgis', but it complains when I 'import
qgis.core', giving me the error:

ImportError: DLL load failed: The specified procedure could not be found.

I read on
https://nathanw.net/2014/05/10/setting-up-pycharm-for-pyqgis-and-qt/ that
when you want to get PyCharm working with qgis, you need to change the
python interpreter in PyCharm. So I changed the python interpreter in
spyder to C:\OSGeo4W64\bin\python3.exe, and restarted the kernel. I now get
the following error in spyder's python console:

An error ocurred while starting the kernel
File "C:\OSGeo4W64\apps\Python36\lib\site.py", line 177
file=sys.stderr)

If however I execute PyCharm after running the
C:\OSGeo4W64\bin\python-qgis.bat script, and setting the PyCharm python
interpreter to C:\OSGeo4W64\bin\python3.exe, it works flawlessly. I guess
at this stage I will use PyCharm and abandon my efforts with getting things
working in Spyder, which will be a pain for me as I really love spyder.
Thanks again for your help.

Cheers.



On Thu, 4 Oct 2018 at 22:50, Nicolas Cadieux <nicolas.cadieux at archeotec.ca>
wrote:

> Hi John,
>
> If you figure this one out, can you poste the solution?  I would like to
> do the same thing.
>
> Thanks
> Nicolas
>
> Le 2 oct. 2018 à 20:51, John Walker <jdkwalker21 at gmail.com> a écrit :
>
> Hi, would anyone know how to configure Spyder to work with the QGIS
> library? I am finding the python editor in QGIS difficult to work with
> because it has no debugger and I cannot run highlighted code. I have tried
> a few things:
>
> 1. created a new conda environment and installed QGIS via conda using: conda
> install -c conda-forge qgis. However I get errors when trying to import
> qgis.core
>
> 2. installed Spyder within OSGeo4W QGIS python instance i.e.
>
> py3-env
> python -m pip install spyder
>
> But this gives errors in the IPython console i.e.
>
> SyntaxError: invalid syntaxFile "C:\OSGEO4~1\apps\Python36\lib\site.py", line 177
> file=sys.stderr)
>
> Thanks for any help.
>
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