Python M2Crypto: Decrypt Package Example.py

def decrypt_RSA(private_key_loc, package):
    '''
    param: public_key_loc Path to your private key
    param: package String to be decrypted
    return decrypted string
    '''
    from base64 import b64decode 
    from M2Crypto import BIO, RSA 
    key = open(private_key_loc, "r").read() 
    priv_key = BIO.MemoryBuffer(key.encode('utf8')) 
    key = RSA.load_key_bio(priv_key) 
    decrypted = key.private_decrypt(b64decode(package), RSA.pkcs1_oaep_padding) 
    return decrypted