split platform

lib/python3.5/site-packages/cryptography/exceptions.py

@@ -0,0 +1,70 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from __future__ import absolute_import, division, print_function
+
+from enum import Enum
+
+from cryptography import utils
+from cryptography.hazmat.primitives import twofactor
+
+
+class _Reasons(Enum):
+    BACKEND_MISSING_INTERFACE = 0
+    UNSUPPORTED_HASH = 1
+    UNSUPPORTED_CIPHER = 2
+    UNSUPPORTED_PADDING = 3
+    UNSUPPORTED_MGF = 4
+    UNSUPPORTED_PUBLIC_KEY_ALGORITHM = 5
+    UNSUPPORTED_ELLIPTIC_CURVE = 6
+    UNSUPPORTED_SERIALIZATION = 7
+    UNSUPPORTED_X509 = 8
+    UNSUPPORTED_EXCHANGE_ALGORITHM = 9
+
+
+class UnsupportedAlgorithm(Exception):
+    def __init__(self, message, reason=None):
+        super(UnsupportedAlgorithm, self).__init__(message)
+        self._reason = reason
+
+
+class AlreadyFinalized(Exception):
+    pass
+
+
+class AlreadyUpdated(Exception):
+    pass
+
+
+class NotYetFinalized(Exception):
+    pass
+
+
+class InvalidTag(Exception):
+    pass
+
+
+class InvalidSignature(Exception):
+    pass
+
+
+class InternalError(Exception):
+    def __init__(self, msg, err_code):
+        super(InternalError, self).__init__(msg)
+        self.err_code = err_code
+
+
+class InvalidKey(Exception):
+    pass
+
+
+InvalidToken = utils.deprecated(
+    twofactor.InvalidToken,
+    __name__,
+    (
+        "The InvalidToken exception has moved to the "
+        "cryptography.hazmat.primitives.twofactor module"
+    ),
+    utils.DeprecatedIn09
+)