Script to grow splines/sketch/blueprint for architecture

Is there a script to grow splines for a building-architecture type animation?
I have several buildings I need to animate 'building' spline-by-spline and I hope to automate that process.

Similar to this:

https://www.facebook.com/futurism/videos/846329178879616/

or this:

https://youtu.be/giVIT1eanVs