scipython is an interface to Python from Scilab.

--> atomsInstall("scipython")

It allows to call and manipulate almost any Python function, object, or data from the Scilab interpreter.

pyImport math;
a = math.sqrt(16);

scipython embeds Python 2.7 with numpy, and uses it if no other installation of Python is detected on the user’s system.

Read this tutorial for more details.