import hashlib


def hashpass(unhashed):
    hashedPass = hashlib.md5(unhashed.encode())
    return hashedPass.hexdigest()


def validpass():
    length = False
    characters = False
    number = False
    while not length or not characters or not number:
        if not length:
            print("Password needs to be longer than 7 characters.")
        if not characters:
            print("Password need to include a capital.")
        if not number:
            print("Password needs to include a number.")
        passwordCheck = input("Enter password - ")
        for i in range(0, len(passwordCheck)):
            try:
                int(passwordCheck[i])
                number = True
            except ValueError:
                pass
        if len(passwordCheck) >= 7:
            length = True
        if not passwordCheck.islower():
            characters = True
    validHash = hashpass(passwordCheck)
    return validHash


passwordFile = input('Enter the filename where the credentials are stored. - ')
user_name = input("Enter the user's account name.")
password = validpass()
password1 = hashpass(input("Re-enter password - "))
while (password != password1):
    print('Passwords do not match.')
    password1 = hashpass(input("Please re-enter - "))
try:
    with open(passwordFile, 'w') as f:
        f.write('Username: {}\n'.format(user_name))
        f.write('Password: {}\n'.format(password))
except OSError as e:
    pass