Add support for python 3.9 and 3.12 (#50)

* Import annotations from __future__ in modules where union type syntax is used.

* Extend supported python versions to cover >=3.9, <4.

* Update pycln version to a one that supports python 3.12.

* Add python 3.9 and 3.12 to the CI python target list.

* Fix typo in CI.yml.

---------

Co-authored-by: Caglar Kutlu <[email protected]>

.github/workflows/CI.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.10', '3.11' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12']
 
     steps:
       - name: Checkout code

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
     hooks:
     -   id: black
 -   repo: https://github.com/hadialqattan/pycln
-    rev: v2.1.3
+    rev: v2.4.0
     hooks:
     -   id: pycln
         args: [--config=pyproject.toml]

pyproject.toml

@@ -9,16 +9,18 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Intended Audience :: Science/Research",
+    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
 ]
 readme = "README.md"
 repository = "https://github.com/hippalectryon-0/xr-scipy"
 documentation = "https://xr-scipy.readthedocs.io"
 
 [tool.poetry.dependencies]
-python = ">=3.10,<3.12"
+python = ">=3.9,<4"
 xarray = ">=2023"
 scipy = ">=1.9"
 docstring-parser = "^0.15"
@@ -31,11 +33,11 @@ sphinx-rtd-theme = "^1.3.0"
 pre-commit = "^3.3.1"
 isort = "5.12.0"
 black = "24.3.0"
-pycln = "2.1.3"
 ipython = "^8.13.2"
 matplotlib = "^3.7.0"  # used in docs
 myst-parser = "1.0.0"  # used in docs
 pickleshare = "^0.7.5"
+pycln = "^2.4.0"
 
 [build-system]
 requires = ["poetry-core"]

tests/testings.py

@@ -1,5 +1,7 @@
 """utilities for tests"""
 
+from __future__ import annotations
+
 import numpy as np
 import xarray as xr
 

xrscipy/docs.py

@@ -1,4 +1,7 @@
 """Tools for interacting with docstrings"""
+
+from __future__ import annotations
+
 from typing import Any, Callable
 
 import docstring_parser

xrscipy/fft.py

@@ -79,6 +79,7 @@
     @savefig fftn.png width=4in
     plt.show()
 """
+
 from typing import Callable
 
 import numpy as np

xrscipy/fftpack.py

@@ -1,4 +1,5 @@
 r"""mirrors scipy.fftpack"""
+
 from typing import Callable
 
 from scipy import fftpack

xrscipy/integrate.py

@@ -52,6 +52,7 @@
   There are slight difference from the original implementations.
   Our :py:func:`~xrscipy.integrate.cumulative_trapezoid` always assume ``initial=0``.
 """
+
 from typing import Callable
 
 import xarray as xr

xrscipy/signal/spectral.py

@@ -135,6 +135,9 @@
 
 A partially averaged counterpart to :py:func:`~xrscipy.signal.coherence` is :py:func:`~xrscipy.signal.coherogram` which uses a running average over ``nrolling`` FFT windows.
 """
+
+from __future__ import annotations
+
 from typing import Callable, Literal, TypeVar
 
 import numpy as np

xrscipy/signal/utils.py

@@ -1,4 +1,7 @@
 r"""utils for signal"""
+
+from __future__ import annotations
+
 import typing
 import warnings