Python encrypt and decrypt

file encrypt.py

# pip install cryptography
import sys
from cryptography.fernet import Fernet
import hashlib
import base64

path = ''
key = ''
if __name__ == "__main__":
    path = str(sys.argv[1])
    key = base64.b64encode(hashlib.md5(str(sys.argv[2]).encode()).hexdigest().encode())

cipher_suite = Fernet(key)

file = open(path, 'r')
s = file.read()
file.close()
cipher_text = cipher_suite.encrypt(s.encode())

file2 = open(path, 'w+')
file2.write((cipher_text.decode()))
file2.close()

file decrypt.py

# pip install cryptography
import sys
from cryptography.fernet import Fernet
import hashlib
import base64

path = ''
key = ''
if __name__ == "__main__":
    path = str(sys.argv[1])
    key = base64.b64encode(hashlib.md5(str(sys.argv[2]).encode()).hexdigest().encode())

cipher_suite = Fernet(key)

file = open(path, 'r')
s = file.read()
file.close()

plain_text = cipher_suite.decrypt(s.encode())

file2 = open(path, 'w+')
file2.write((plain_text.decode()))
file2.close()

file data.txt

secret words

run in terminal

python encrypt.py data.txt your_password

python decrypt.py data.txt your_password