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'''Helper classes and functions'''

import os
from random import randint


def adjust_filename(filename, orig_mod_filename):
    dirpath = os.path.dirname(os.path.abspath(orig_mod_filename))
    return os.path.join(dirpath, filename)


def random_string(size=5):
    '''Generate random string with the given size'''
    return ''.join(map(chr, [randint(33, 126) for x in range(size)]))