typing ext

.github/workflows/test.yml

@@ -6,8 +6,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
-        poetry-version: ["1.2.2", "1.7.1"]
+        python-version: ["3.10", "3.11", "3.12"]
+        poetry-version: ["1.8"]
         os: [ubuntu-22.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

README.md

@@ -2,3 +2,4 @@ Python Pattern Matching
 -----------------------
 
 
+Python support follows https://numpy.org/neps/nep-0029-deprecation_policy.html

koerce/patterns.py

@@ -15,13 +15,12 @@
     Callable,
     Optional,
 )
-from typing_extensions import GenericMeta
+from typing_extensions import GenericMeta, get_original_bases
 from .utils import (
     get_type_origin,
     get_type_boundvars,
     get_type_args,
     get_type_params,
-    get_original_bases,
     RewindableIterator,
 )
 from abc import abstractmethod

koerce/tests/test_utils.py

@@ -1,9 +1,7 @@
 from __future__ import annotations
 import pytest
 
-from typing import ForwardRef, Generic, Optional, Union, List, Dict
-
-from typing_extensions import TypeVar
+from typing import ForwardRef, Generic, Optional, Union, List, Dict, TypeVar
 from koerce.utils import get_type_params, get_type_boundvars, get_type_hints
 
 

koerce/utils.py

@@ -1,8 +1,8 @@
 import sys
 import typing
+import itertools
 from typing import Any, TypeVar, Optional
-from typing_extensions import get_original_bases
-from itertools import tee
+
 
 get_type_args = typing.get_args
 get_type_origin = typing.get_origin
@@ -171,8 +171,8 @@ def rewind(self):
         """Rewind the iterator to the last checkpoint."""
         if self._checkpoint is None:
             raise ValueError("No checkpoint to rewind to.")
-        self._iterator, self._checkpoint = tee(self._checkpoint)
+        self._iterator, self._checkpoint = itertools.tee(self._checkpoint)
 
     def checkpoint(self):
         """Create a checkpoint of the current iterator state."""
-        self._iterator, self._checkpoint = tee(self._iterator)
+        self._iterator, self._checkpoint = itertools.tee(self._iterator)

pyproject.toml

@@ -12,6 +12,7 @@ exclude = ["koerce/**/*.py"]
 
 [tool.poetry.dependencies]
 python = ">=3.8"
+typing-extensions = "^4.12.2"
 
 
 [tool.poetry.dev-dependencies]