There is a similar question Access QGIS Topology Checker from Python, however this user was wanting to run the topology tool while I want to import certain rules. For example in arcgis

arcpy.AddRuleToTopology_management(for_validation, "Must Not Self-Overlap (Line)", nfc)

I saw this question about accessing qgis plugins from python. So I know I need to import the module, but I'm unsure the name of the module, or if it is written in C++ so importing into python directly is not possible.

1 Answer 1


Unfortunately it's not possible (as of 3.0) - that functionality isn't exposed to the python bindings.

  • Is it possible in 2.18? Commented Apr 21, 2018 at 0:10
  • No, I mean it's not possible up to 3.0 (but for future reference it may have been added in a later version)
    – ndawson
    Commented Apr 21, 2018 at 0:13
  • Oh I see. I'll post a follow up question in a separate thread then seeing if I could scratch write a code for same functionality. Commented Apr 21, 2018 at 0:16

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