MNT: Update support matrix for Python and numpy

Author: effigies

.github/workflows/test.yml

@@ -113,17 +113,17 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'windows-latest', 'macos-13', 'macos-latest']
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         architecture: ['x64', 'x86', 'arm64']
         dependencies: ['full', 'pre']
         include:
           # Basic dependencies only
           - os: ubuntu-latest
-            python-version: 3.8
+            python-version: 3.9
             dependencies: 'none'
           # Absolute minimum dependencies
           - os: ubuntu-latest
-            python-version: 3.8
+            python-version: 3.9
             dependencies: 'min'
           # NoGIL
           - os: ubuntu-latest
@@ -153,10 +153,10 @@ jobs:
           - os: macos-13
             dependencies: pre
           # Drop pre tests for SPEC-0-unsupported Python versions
-          - python-version: '3.8'
-            dependencies: pre
           - python-version: '3.9'
             dependencies: pre
+          - python-version: '3.10'
+            dependencies: pre
 
     env:
       DEPENDS: ${{ matrix.dependencies }}

doc/source/installation.rst

@@ -81,16 +81,16 @@ is for you.
 Requirements
 ------------
 
-.. check these against pyproject.toml
+.. check these against pyproject.toml / tox.ini
 
-*  Python_ 3.8 or greater
-*  NumPy_ 1.20 or greater
+*  Python_ 3.9 or greater
+*  NumPy_ 1.22 or greater
 *  Packaging_ 17.0 or greater
-*  importlib-resources_ 1.3 or greater (or Python 3.9+)
-*  SciPy_ (optional, for full SPM-ANALYZE support)
-*  h5py_ (optional, for MINC2 support)
-*  PyDICOM_ 1.0.0 or greater (optional, for DICOM support)
-*  `Python Imaging Library`_ (optional, for PNG conversion in DICOMFS)
+*  importlib-resources_ 5.12 or greater (or Python 3.12+)
+*  SciPy_ 1.8 or greater (optional, for full SPM-ANALYZE support)
+*  h5py_ 3.5 or greater (optional, for MINC2 support)
+*  PyDICOM_ 2.3.0 or greater (optional, for DICOM support)
+*  `Python Imaging Library`_ 8.4 or greater (optional, for PNG conversion in DICOMFS)
 *  pytest_ (optional, to run the tests)
 *  sphinx_ (optional, to build the documentation)
 

pyproject.toml

@@ -9,9 +9,9 @@ authors = [{ name = "NiBabel developers", email = "[email protected]" }]
 maintainers = [{ name = "Christopher Markiewicz" }]
 readme = "README.rst"
 license = { text = "MIT License" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
-  "numpy >=1.20",
+  "numpy >=1.22",
   "packaging >=17",
   "importlib_resources >=5.12; python_version < '3.12'",
   "typing_extensions >=4.6; python_version < '3.13'",
@@ -23,11 +23,11 @@ classifiers = [
   "License :: OSI Approved :: MIT License",
   "Operating System :: OS Independent",
   "Programming Language :: Python",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Scientific/Engineering",
 ]
 # Version from setuptools_scm
@@ -53,7 +53,7 @@ parrec2nii = "nibabel.cmdline.parrec2nii:main"
 [project.optional-dependencies]
 all = ["nibabel[dicomfs,minc2,spm,zstd]"]
 # Features
-dicom = ["pydicom >=1.0.0"]
+dicom = ["pydicom >=2.3"]
 dicomfs = ["nibabel[dicom]", "pillow"]
 minc2 = ["h5py"]
 spm = ["scipy"]

tox.ini

@@ -7,14 +7,14 @@ requires =
   tox>=4
 envlist =
   # No preinstallations
-  py3{8,9,10,11,12}-none
+  py3{9,10,11,12,13}-none
   # Minimum Python
-  py38-{min,full}
+  py39-{min,full}
   # x86 support range
   py3{9,10,11}-{full,pre}-{x86,x64}
   py3{9,10,11}-pre-{x86,x64}
   # x64-only range
-  py312-{full,pre}-x64
+  py3{12,13}-{full,pre}-x64
   # Special environment for numpy 2.0-dev testing
   py313-dev-x64
   install
@@ -26,7 +26,6 @@ skip_missing_interpreters = true
 # Configuration that allows us to split tests across GitHub runners effectively
 [gh-actions]
 python =
-  3.8: py38
   3.9: py39
   3.10: py310
   3.11: py311
@@ -83,28 +82,27 @@ deps =
   # We're extending this to all optional dependencies
   # This only affects the range that we test on; numpy is the only non-optional
   # dependency, and will be the only one to affect pip environment resolution.
-  min: numpy ==1.20
-  min: h5py ==2.10
-  min: indexed_gzip ==1.4
-  min: matplotlib ==3.4
-  min: pillow ==8.1
-  min: pydicom ==2.1
-  min: pyzstd ==0.14.3
-  min: scipy ==1.6
+  min: numpy ==1.22
+  min: h5py ==3.5
+  min: indexed_gzip ==1.6
+  min: matplotlib ==3.5
+  min: pillow ==8.4
+  min: pydicom ==2.3
+  min: pyzstd ==0.15.2
+  min: scipy ==1.8
   # Numpy 2.0 is a major breaking release; we cannot put much effort into
   # supporting until it's at least RC stable
-  pre: numpy <2.0.dev0
   dev: numpy >=2.1.dev0
   # Scipy stopped producing win32 wheels at py310
-  py3{8,9}-full-x86,x64,arm64: scipy >=1.6
+  py39-full-x86,x64,arm64: scipy >=1.8
   # Matplotlib depends on scipy, so cannot be built for py310 on x86
-  py3{8,9}-full-x86,x64,arm64: matplotlib >=3.4
+  py39-full-x86,x64,arm64: matplotlib >=3.5
   # h5py stopped producing win32 wheels at py39
-  py38-full-x86,{full,pre}-{x64,arm64}: h5py >=2.10
-  full,pre,dev: pillow >=8.1
-  full,pre: indexed_gzip >=1.4
-  full,pre,dev: pyzstd >=0.14.3
-  full,pre: pydicom >=2.1
+  {full,pre}-{x64,arm64}: h5py >=3.5
+  full,pre,dev: pillow >=8.4
+  full,pre: indexed_gzip >=1.6
+  full,pre,dev: pyzstd >=0.15.2
+  full,pre: pydicom >=2.3
   dev: pydicom @ git+https://github.com/pydicom/pydicom.git@main
 
 commands =