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Are you trying to (A) call

my-dataflow-script.py

from your Pulumi application or are you trying to (B) call your Pulumi application from

my-dataflow-script.py

? (A) is supported. The best way would be to create a Dynamic Provider to call your script at the right "event" (create, update, etc) - https://www.pulumi.com/docs/intro/concepts/resources/#dynamicproviders. (B) is not supported as the

pulumi

cli (engine) must be the invocation point of your pulumi application.

Thanks! (A) would be correct. I haven’t used dynamic providers before. Is there any tutorial/simple example of doing something like this?

Yep, we have a few blog posts about them. https://www.pulumi.com/blog/dynamic-providers/ https://www.pulumi.com/blog/architecture-as-code-vm/#provisioning-with-dynamic-providers https://www.pulumi.com/blog/deploying-mysql-schemas-using-dynamic-providers/

Thank you! I’ll take a look!