Add Python 3.11 dataclass_transform typehints

.github/workflows/pytest.yaml

@@ -17,6 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
+          - "3.11"
           - "3.10"
           - 3.9
           - 3.8

zninit/core/__init__.py

@@ -6,6 +6,19 @@
 from copy import deepcopy
 from inspect import Parameter, Signature
 
+try:
+    from typing import dataclass_transform  # pylint: disable=no-name-in-module
+except ImportError:
+
+    def dataclass_transform():
+        """Empty decorator for Python < 3.11 support"""
+
+        def decorator(func):
+            return func
+
+        return decorator
+
+
 from zninit.descriptor import Descriptor, Empty, get_descriptors
 
 log = logging.getLogger(__name__)
@@ -88,9 +101,9 @@ def auto_init(self, *args, **kwargs):
             raise get_args_type_error(args, cls_name, uses_auto_init)
         log.debug(f"The '__init__' uses auto_init: {uses_auto_init}")
         for kwarg_name in kwargs_no_default:
-            try:  # pylint: disable=loop-try-except-usage
+            if kwarg_name in kwargs:
                 init_kwargs[kwarg_name] = kwargs.pop(kwarg_name)
-            except KeyError:
+            else:
                 required_keys.append(kwarg_name)
 
         if len(required_keys) > 0:
@@ -116,6 +129,7 @@ def auto_init(self, *args, **kwargs):
     return auto_init
 
 
+@dataclass_transform()
 class ZnInit:
     """Parent class for automatic __init__ generation based on descriptrs