import os
import hashlib

def hash (path, method=hashlib.md5):
    h = method ()
    with open (path, 'rb') as f:
        while b := f.read (8192):
            h.update (b)
    return h.hexdigest ()

q = dict ()
for root, _, k in os.walk ('.'):
    for d in k:
        i = root + '/' + d
        print (i)
        h = hash (i)
        print (h)
        if h in q:
            print (f'{i} (Cached from {q[h]})')
            os.system (f'ln -sf {q[h]} {i}')
        else:
            print (f'{i} (Uncached)')
            q[h] = i