import sys
import traceback

def raiseNested():
    try:
        print("hallo")
        raise AttributeError("distracting")
    except:
        print("cought")
    print("ätsch will reraise whatever exception",sys.exc_info())
    _,pendingexception,_ = sys.exc_info()
    if getattr(pendingexception,"hello_submethod"):
        print("cool to meet you")
    raise 

def test_nexted_exception(com=False):
    try:
        tothrow = AttributeError("test reraised by called method")
        setattr(tothrow,"hello_submethod",com)
        raise tothrow
    except AttributeError:
        print("call helper to mittigate exception")
        raiseNested()

print("nocom\n==========")
try:
    test_nexted_exception(False)
except:
    traceback.print_exc()
print("\ncom\n==========")
try:
    test_nexted_exception(True)
except:
    traceback.print_exc()
print("\nnocom\n==========")
try:
    test_nexted_exception(False)
except:
    traceback.print_exc()
print("\ncom\n==========")
try:
    test_nexted_exception(True)
except:
    traceback.print_exc()