adapt dataclass_abc to dataclass of python 3.10

Author: Michael Schneeberger

dataclass_abc/__init__.py

@@ -5,6 +5,7 @@
 from dataclasses import _init_fn  # type: ignore
 from dataclasses import _set_new_attribute  # type: ignore
 from dataclasses import dataclass as parent_dataclass, MISSING
+from dataclasses import _fields_in_init_order
 from typing import Generator, Tuple, Any, TypeVar
 
 T = TypeVar('T')
@@ -102,13 +103,14 @@ def gen_fields():
 
                     yield field
 
-        flds = list(gen_fields())
+        all_init_fields = list(gen_fields())
+        (std_init_fields, kw_only_init_fields) = _fields_in_init_order(all_init_fields)
 
         # Does this class have a post-init function?
         has_post_init = hasattr(cls, _POST_INIT_NAME)
 
         _set_new_attribute(cls, '__init__',
-                           _init_fn(flds,
+                           _init_fn(all_init_fields, std_init_fields, kw_only_init_fields,
                                     frozen,
                                     has_post_init,
                                     # The name to use for the "self"

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name='dataclass_abc',
-    version='0.0.4',
+    version='0.0.5',
     description='Library that lets you define abstract properties for dataclasses.',
     long_description=long_description,
     long_description_content_type='text/markdown',
@@ -19,10 +19,9 @@
     author_email='michael.schneeb@outlook.com',
     classifiers=[
         'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.10',
     ],
     keywords='dataclass_abc abstract abc property',
     packages=['dataclass_abc'],
-    python_requires='>=3.7',
+    python_requires='>=3.10',
 )