import functools
import _testcapi
import sys

final_func = _testcapi.get_recursion_depth

def pyfunc(depth):
    if depth > 2:
        return partial_func(depth - 2)
    else:
        return final_func()

partial_func = functools.partial(pyfunc)

depth = 100
sys.setrecursionlimit(depth * 3)
rec = pyfunc(depth)
print("got: %s, expected: %s" % (rec, depth))