Replace deprecated abstractproperty (#7943)

Deprecated since version 3.3, see
https://docs.python.org/3/library/abc.html#abc.abstractproperty

Author: Viicos

src/cryptography/hazmat/primitives/asymmetric/dsa.py

@@ -28,7 +28,8 @@ def parameter_numbers(self) -> "DSAParameterNumbers":
 
 
 class DSAPrivateKey(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         The bit length of the prime modulus.
@@ -78,7 +79,8 @@ def private_bytes(
 
 
 class DSAPublicKey(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         The bit length of the prime modulus.

src/cryptography/hazmat/primitives/asymmetric/ec.py

@@ -35,21 +35,24 @@ class EllipticCurveOID:
 
 
 class EllipticCurve(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def name(self) -> str:
         """
         The name of the curve. e.g. secp256r1.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         Bit size of a secret scalar for the curve.
         """
 
 
 class EllipticCurveSignatureAlgorithm(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def algorithm(
         self,
     ) -> typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm]:
@@ -74,13 +77,15 @@ def public_key(self) -> "EllipticCurvePublicKey":
         The EllipticCurvePublicKey for this private key.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def curve(self) -> EllipticCurve:
         """
         The EllipticCurve that this key is on.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         Bit size of a secret scalar for the curve.
@@ -118,13 +123,15 @@ def private_bytes(
 
 
 class EllipticCurvePublicKey(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def curve(self) -> EllipticCurve:
         """
         The EllipticCurve that this key is on.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         Bit size of a secret scalar for the curve.

src/cryptography/hazmat/primitives/asymmetric/rsa.py

@@ -19,7 +19,8 @@ def decrypt(self, ciphertext: bytes, padding: AsymmetricPadding) -> bytes:
         Decrypts the provided ciphertext.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         The bit length of the public modulus.
@@ -70,7 +71,8 @@ def encrypt(self, plaintext: bytes, padding: AsymmetricPadding) -> bytes:
         Encrypts the given plaintext.
         """
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def key_size(self) -> int:
         """
         The bit length of the public modulus.

src/cryptography/hazmat/primitives/ciphers/base.py

@@ -60,7 +60,8 @@ def finalize_with_tag(self, tag: bytes) -> bytes:
 
 
 class AEADEncryptionContext(AEADCipherContext, metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def tag(self) -> bytes:
         """
         Returns tag bytes. This is only available after encryption is

src/cryptography/hazmat/primitives/ciphers/modes.py

@@ -16,7 +16,8 @@
 
 
 class Mode(metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def name(self) -> str:
         """
         A string naming this mode (e.g. "ECB", "CBC").
@@ -31,31 +32,35 @@ def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None:
 
 
 class ModeWithInitializationVector(Mode, metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def initialization_vector(self) -> bytes:
         """
         The value of the initialization vector for this mode as bytes.
         """
 
 
 class ModeWithTweak(Mode, metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def tweak(self) -> bytes:
         """
         The value of the tweak for this mode as bytes.
         """
 
 
 class ModeWithNonce(Mode, metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def nonce(self) -> bytes:
         """
         The value of the nonce for this mode as bytes.
         """
 
 
 class ModeWithAuthenticationTag(Mode, metaclass=abc.ABCMeta):
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def tag(self) -> typing.Optional[bytes]:
         """
         The value of the tag supplied to the constructor of this mode.