This tutorial talks about Verilog/SV based traffic generators and users can also try C-based/Python based traffic generators with AIE. For more details, please refer the tutorial 16-external-traffic-generator-aie
You can also integrate traffic generators with AIE flows i.e., AIEsim/x86sim or emulation flows i.e., SW emulation or HW emulation. For more details, refer Adding-Traffic-Generators-to-Your-Design.