Recover Ethereum Password For Key JSON File (Python 3)

recover_ethereum_password.py

from ethereum.tools.keys import decode_keystore_json #keys.py from pyethereum, we only want the decode_keystore_json function
import json
import itertools
import sys
import traceback
from joblib import Parallel, delayed

print(sys.version)

class PasswordFoundException(Exception):
    pass

combinations=[
]

def generate_all(el, tr): #taken from pyethrecover
    if el:
        for j in range(len(el[0])):
            for w in generate_all(el[1:], tr + el[0][j]):
                yield w
    else:
        yield tr

def attempt(w, pw):
    #raise PasswordFoundException("Trying %s" % pw)
    if len(pw) < 22:
        return ""
    try:
        o = decode_keystore_json(w,pw)
        print("Password found")
        print(o)
        # WARNING password output isn't correct now, has to be fixed
        raise PasswordFoundException("""\n\nYour password is:\n%s""" % o)
    except ValueError as e:
        # print(e)
        return ""

def tryopen(f):
    try:
        assert f
        t = open(f).read()
        try:
            return json.loads(t)
        except:
            raise Exception("Corrupted file: "+f)
    except:
        return None

def __main__():
    w = tryopen("wallet.json")

    pwds=[]

    print("Total passes to check: %d" % len(list(generate_all(combinations,''))))
    pwds = itertools.chain(pwds, generate_all(combinations,''))

    try:
        Parallel(n_jobs=-1)(delayed(attempt)(w, pw) for pw in pwds)
        # print("\n")
    except Exception as e:
        #traceback.print_exc()
        while True:
            sys.stdout.write('\a')
            sys.stdout.flush()

if __name__ == "__main__":
    __main__()