Recursivly generate a cache of SHA256 of a folder

generate_cache.py

import os
import hashlib


def generate_cache_recursive(path, cache):
    '''Recursivly generate the cache of files in path. SHA256 is used.

    path - string that is the path os a folder
    cache - set that is the cache
    
    return set which is the cache
    '''

    if os.path.isdir(path):
        for item in os.listdir(path):
            new_path = path + item
            if new_path[-1] != "/" and os.path.isdir(new_path):
                new_path = new_path + "/"

            cache = generate_cache_recursive(new_path, cache)

    elif os.path.isfile(path):
        with open(path, 'rb') as file:
            _hash = hashlib.sha256()

            content = file.read()
            _hash.update(content)
            hash_output = _hash.hexdigest()

            cache.update([hash_output])

    return cache