Hello all, Supply chain attacks are becoming a pressing concern in software development due to the large number of dependencies and multiple attack vectors. Using third party modules (libraries, packages etc) is always a risk but the true potential of these attacks is now being weaponized. One way to deal with the risk is by limiting access to sensitive APIs like filesystem, shell, network and ffi so that packages which aren't explicitly granted permissions cannot use them, reducing their ability to do damage. For example, a yaml parser should not need to use ffi, network nor shell. A command line argument parser library should not use network, ffi nor filesystem. Deno, a runtime for Typescript contains an interesting implementation of a permissions model for APIs. I strongly think Python could benefit from such functionality and hacked together a quick experiment here: https://github.com/R9295/cpython Currently, it only prevents module imports in a very elementary manner but perhaps it can be of use to spark a discussion for an implementation. Looking forward to your thoughts, Aarnav