diff options
Diffstat (limited to 'google/auth/crypt/base.py')
| -rw-r--r-- | google/auth/crypt/base.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/google/auth/crypt/base.py b/google/auth/crypt/base.py index 0bda9c3..c98d5bf 100644 --- a/google/auth/crypt/base.py +++ b/google/auth/crypt/base.py @@ -18,12 +18,15 @@ import abc import io import json +import six + _JSON_FILE_PRIVATE_KEY = "private_key" _JSON_FILE_PRIVATE_KEY_ID = "private_key_id" -class Verifier(object, metaclass=abc.ABCMeta): +@six.add_metaclass(abc.ABCMeta) +class Verifier(object): """Abstract base class for crytographic signature verifiers.""" @abc.abstractmethod @@ -43,7 +46,8 @@ class Verifier(object, metaclass=abc.ABCMeta): raise NotImplementedError("Verify must be implemented") -class Signer(object, metaclass=abc.ABCMeta): +@six.add_metaclass(abc.ABCMeta) +class Signer(object): """Abstract base class for cryptographic signers.""" @abc.abstractproperty @@ -66,7 +70,8 @@ class Signer(object, metaclass=abc.ABCMeta): raise NotImplementedError("Sign must be implemented") -class FromServiceAccountMixin(object, metaclass=abc.ABCMeta): +@six.add_metaclass(abc.ABCMeta) +class FromServiceAccountMixin(object): """Mix-in to enable factory constructors for a Signer.""" @abc.abstractmethod |