import rarfile
import random
import time
import sys
class MyIterator():
letters = '0123456789'
min_digits = 0
max_digits = 0
def __init__(self, min_digits, max_digits):
if min_digits < max_digits:
self.min_digits = min_digits
self.max_digits = max_digits
else:
self.min_digits = max_digits
self.max_digits = min_digits
def __iter__(self):
return self
def __next__(self):
rst = str()
for item in range(0, random.randrange(self.min_digits, self.max_digits + 1)):
rst += random.choice(MyIterator.letters)
return rst
def extract():
start_time = time.time()
zfile = rarfile.RarFile("D:\\deng\\logs\\datastruture.rar")
for p in MyIterator(4, 10):
try:
zfile.extractall(path=".", pwd=str(p).encode('utf-8'))
print("the password is {}".format(p))
now_time = time.time()
print("spend time is {}".format(now_time - start_time))
sys.exit(0)
except Exception as e:
print('error',p)
pass
if __name__ == '__main__':
extract()
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