import parent module in python code example

Example 1: python reference parent module

$ cat function/bbb.py
import os
import sys

root_folder = os.path.abspath(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(root_folder)

from common.aaa import say_hi

say_hi()

Example 2: python reference parent module

from .some_module import some_class
from ..some_package import some_function
from . import some_class