from_file

classmethod EncryptHelper.from_file(obj: Union[str, _io.TextIOWrapper], **settings)[source]

Create an instance of EncryptHelper (or inheriting class) using a Fernet key loaded from a file, or stream object.

>>> enc = EncryptHelper.from_file('/home/john/fernet.key')
>>> d = enc.encrypt('hello')
>>> enc.decrypt(d)
'hello'
Parameters

  • obj (TextIOWrapper) – Load the key from the filename obj

  • obj – Load the key from the file/stream object obj using .read()