python path relative to script code example

Example 1: relative path python

import sys,os
sys.path.append(os.path.realpath('..'))

Example 2: python open file relative to script location

import os

path = 'a/relative/file/path/to/this/script/file.txt'

with open(os.path.join(os.path.dirname(__file__), path), 'r') as input_file:
    content = input_file.read()