get_fernet¶

EncryptHelper.get_fernet(key: Union[str, bytes] = None) → cryptography.fernet.Fernet [source]¶

Used internally for getting Fernet instance with auto-fallback to encrypt_key and exception handling.

Parameters: key (str) – Base64 Fernet symmetric key for en/decrypting data. If empty, will fallback to encrypt_key
Raises: EncryptKeyMissing – Either no key was passed, or something is wrong with the key.
Return Fernet f: Instance of Fernet using passed key or self.encrypt_key for encryption.