How to check if an entity is Derived from a specific 'parent' class

[scottmoyse]

So I can check this:

if entityToFind.objectType != adsk.fusion.Sketch.classType():

Which will allow the program to drop into the if condition if the object isn't of the Sketch type.

But what I want is to check to see if the entity selected is a sketch object of any kind... So I can do this:

if entityToFind.objectType != adsk.fusion.SketchCurves.classType():

but the thing is I haven't found a case where a selected entity is in fact a Sketch Curve... it's always a Sketch Line or Sketch Circle etc etc. 

How can I check of the selected entity is derived from the SketchCurves Class?

Really I want to go as far as finding out if the selected entity is any form of sketch entity.

[scottmoyse · Accepted solution]

I used this in the end. It worked perfectly:

if adsk.fusion.SketchEntity.cast(entityToFind):