throwing this idea out there, no idea if it is practical but it might be
pretty nice/easily understood syntax.
could a context manager be created such that anything imported under it is
guaranteed to be imported from the standard library, and produce an error
otherwise? perhaps by adding a level keyword argument to the __import__
built in.
something like:
with __import__(level="std"):
# imports guaranteed to fail of not in the standard library
from pathlib import Path
from sys import argv
with __import__(level="package"):
# imports guaranteed to fail of not in the current package
import mod1
import mod2
with __import__(level="local"):
# imports guaranteed to fail of not in the local directory
import mod1
import mod2
with __import__(level="site"):
# imports guaranteed to fail if not in site-packages, or some other
definition that makes sense
import numpy as np
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