import zipfile
#密码可能有的字符
testSetstr = "w.abcdefghijklmnopqrstuvxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#$%&‘()*+,-/:;<=>?@[\]^_`{|}~"
# testSetstr = "0123456789"
#
testSetLen = len(testSetstr)    #字符中长度
maxtestLen = 5                  #要猜的密码的最大长度，时间耗时越久。
filename = ‘test.zip‘           #要解压的文件名
filedir = ‘data/‘               #解压路径
def testPassword(teststr):
    r = zipfile.is_zipfile(filename)
    if r:
        fz = zipfile.ZipFile(filename,‘r‘)
        try:
            for file in fz.namelist():
                fz.extract(file,filedir,pwd=str.encode(teststr))
                print("密码是",teststr)
                return True
        except:
            pass
        fz.close()
    else:
        print(‘不是zip文件，不能解压‘)
        return True
    return False
def test(n):
    alist = [0] * n
    while(alist[0] < testSetLen):
        testlist = []
        for i in range(n):
            testlist.append(testSetstr[alist[i]])
        teststr = "".join(testlist)
        if(testPassword(teststr)):
            return True
        alist[n - 1] += 1
        for i in range(n-1,0,-1):
            if(alist[i] > testSetLen - 1):
                alist[i] = 0
                alist[i - 1] += 1
                if(i - 1 == 0):
                    print("进度 ",100.0 * alist[i - 1] / testSetLen ,"%")
            else:
                break
    return False
def main():
    for i in range(maxtestLen):
        print("正在测试长度为",i + 1,"的密码。")
        if(test(i + 1)):
            return
main()