fix: add version check for member import for Python 3.13

Author: KINGH242

pycardano/backend/cardano_cli.py

@@ -44,6 +44,11 @@
     Value,
 )
 from pycardano.types import JsonDict
+from pycardano.utils import greater_than_version
+
+if greater_than_version((3, 13)):
+    from enum import member  # type: ignore[attr-defined]
+
 
 __all__ = ["CardanoCliChainContext", "CardanoCliNetwork", "DockerConfig"]
 
@@ -70,7 +75,11 @@ class CardanoCliNetwork(Enum):
     PREVIEW = ["--testnet-magic", str(2)]
     PREPROD = ["--testnet-magic", str(1)]
     GUILDNET = ["--testnet-magic", str(141)]
-    CUSTOM = partial(network_magic)
+    CUSTOM = (
+        member(partial(network_magic))
+        if greater_than_version((3, 13))
+        else partial(network_magic)
+    )
 
 
 class DockerConfig:

pycardano/utils.py

@@ -3,7 +3,8 @@
 from __future__ import annotations
 
 import math
-from typing import Dict, List, Optional, Union
+import sys
+from typing import Dict, List, Optional, Union, Tuple
 
 import cbor2
 from nacl.encoding import RawEncoder
@@ -24,6 +25,7 @@
     "min_lovelace_post_alonzo",
     "script_data_hash",
     "tiered_reference_script_fee",
+    "greater_than_version",
 ]
 
 
@@ -266,3 +268,15 @@ def script_data_hash(
             encoder=RawEncoder,
         )
     )
+
+
+def greater_than_version(version: Tuple[int, int]) -> bool:
+    """Check if the current Python version is greater than or equal to the specified version
+
+    Args:
+        version (Tuple[int, int]): Tuple of major and minor version
+
+    Returns:
+        True if the current Python version is greater than or equal to the specified version
+    """
+    return sys.version_info >= version