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I am trying to start using Python with QGIS but I cannot get Python to work right. When I try import qgis.code in the python shell, I get this:

Traceback (most recent call last): File "<pyshell#0>", line 1, in import qgis.core ModuleNotFoundError: No module named 'qgis'

Then I go into Terminal and try this: export PYTHONPATH=/Applications/QGIS.app/Contents/Resources/python But my error message stays the same. Interestingly, if I try running python from Terminal and try to import qgis again, I get a different error code:

Traceback (most recent call last): File "", line 1, in File "/Applications/QGIS.app/Contents/Resources/python/qgis/core/__init__.py", line 25, in from qgis._core import * ImportError: dlopen(/Applications/QGIS.app/Contents/Resources/python/qgis/_core.so, 2): Library not loaded: @rpath/qgis_core.framework/Versions/3.18/qgis_core Referenced from: /Applications/QGIS.app/Contents/Resources/python/qgis/_core.so Reason: image not found

I have two versions of Python on my computer (Mac) which has caused so many problems for me; could that be the problem? How do I fix this? I tried following this: QGIS - ModuleNotFoundError but I don't know where to go from there. I am a programming noob so I don't even know what to fix there.

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  • I ran in a similar issue, this question suggests that it is difficult. Also, the Qgis documentation is quite complex. So far, I have always used python scripts from within Qgis, which works, but outside I haven't figured it out yet. For different Python versions, I'd suggest Conda. Good luck!
    – Fee
    Commented May 5, 2021 at 0:21

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