DEP: drop support for CPython 3.10 and numpy<1.25

Author: neutrinoceros

pyproject.toml

@@ -19,12 +19,10 @@ classifiers = [
     "Programming Language :: Cython",
     "Programming Language :: Python :: 3",
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
     # keep in sync with NPY_TARGET_VERSION (setup.py)
-    # https://github.com/scipy/oldest-supported-numpy/issues/76#issuecomment-1628865694
-    "numpy>=1.23, <3",
-    "typing-extensions>=4.1.0 ; python_version < '3.11'",
+    "numpy>=1.25, <3",
 ]
 
 [project.readme]
@@ -103,7 +101,7 @@ convention = "numpy"
 "_backports.py" = ["D"]
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.11"
 show_error_codes = true
 pretty = true
 warn_return_any = true
@@ -124,7 +122,7 @@ filterwarnings = [
 ]
 
 [tool.cibuildwheel]
-build = "cp310-* cp311-* cp312-*"
+build = "cp311-* cp312-*"
 build-frontend = "build[uv]"
 build-verbosity = 1
 test-skip = "*-musllinux*"

setup.py

@@ -28,7 +28,7 @@
                 include_dirs=[np.get_include()],
                 define_macros=[
                     # keep in sync with runtime requirements (pyproject.toml)
-                    ("NPY_TARGET_VERSION", "NPY_1_23_API_VERSION"),
+                    ("NPY_TARGET_VERSION", "NPY_1_25_API_VERSION"),
                     ("NPY_NO_DEPRECATED_API", "NPY_1_7_API_VERSION"),
                 ],
             )

src/gpgi/_backports.py

@@ -1,14 +1,8 @@
-import sys
-from typing import TypedDict, TypeVar
+from typing import NotRequired, TypedDict, TypeVar
 
 import numpy as np
 import numpy.typing as npt
 
-if sys.version_info >= (3, 11):
-    from typing import NotRequired
-else:
-    from typing_extensions import NotRequired
-
 Real = TypeVar("Real", np.float32, np.float64)
 RealArray = npt.NDArray[Real]
 HCIArray = npt.NDArray[np.uint16]

src/gpgi/_typing.py

@@ -4,15 +4,15 @@
 
 import enum
 import math
-import sys
 import warnings
 from abc import ABC, abstractmethod
 from copy import deepcopy
+from enum import StrEnum
 from functools import cached_property, partial, reduce
 from itertools import chain
 from textwrap import indent
 from time import monotonic_ns
-from typing import TYPE_CHECKING, Any, Literal, Protocol, cast
+from typing import TYPE_CHECKING, Any, Literal, Protocol, Self, assert_never, cast
 
 import numpy as np
 
@@ -31,15 +31,6 @@
 )
 from ._typing import FieldMap, Name
 
-if sys.version_info >= (3, 11):
-    from enum import StrEnum
-    from typing import Self, assert_never
-else:
-    from typing_extensions import Self, assert_never
-
-    from ._backports import StrEnum
-
-
 if TYPE_CHECKING:
     from ._typing import HCIArray, RealArray
 
@@ -53,14 +44,6 @@ class Geometry(StrEnum):
     SPHERICAL = enum.auto()
     EQUATORIAL = enum.auto()
 
-    if sys.version_info >= (3, 11):
-        pass
-    else:
-
-        def __str__(self) -> str:
-            r"""Return str(self)."""
-            return self.name.lower()
-
 
 class DepositionMethod(enum.Enum):
     NEAREST_GRID_POINT = enum.auto()