deps: bump minimal python version to 3.9

.github/workflows/examples.yml

@@ -39,7 +39,7 @@ jobs:
     - name: Setup conda
       uses: conda-incubator/setup-miniconda@v2
       with:
-       python-version: 3.8
+       python-version: 3.10
        activate-environment: devito
        environment-file: environment-dev.yml
        auto-activate-base: false

.github/workflows/pytest-core-mpi.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ['3.8','3.9']
+        python-version: ['3.9', '3.11']
 
     env:
       DEVITO_LANGUAGE: "openmp"

.github/workflows/pytest-core-nompi.yml

@@ -22,7 +22,6 @@ jobs:
     env:
       DEVITO_ARCH: "${{ matrix.arch }}"
       DEVITO_LANGUAGE: ${{ matrix.language }}
-      DEVITO_PLATFORM: ${{ matrix.platform }}
       OMP_NUM_THREADS: 2
 
     strategy:
@@ -32,8 +31,8 @@ jobs:
       matrix:
         name: [
            pytest-ubuntu-py311-gcc11-noomp,
-           pytest-ubuntu-py38-gcc12-omp,
-           pytest-ubuntu-py38-gcc7-omp,
+           pytest-ubuntu-py313-gcc12-omp,
+           pytest-ubuntu-py39-gcc7-omp,
            pytest-ubuntu-py310-gcc10-noomp,
            pytest-ubuntu-py312-gcc13-omp,
            pytest-ubuntu-py39-gcc9-omp,
@@ -49,71 +48,62 @@ jobs:
           arch: "gcc-11"
           language: "C"
           sympy: "1.11"
-          platform: "cpu64"
 
-        - name: pytest-ubuntu-py38-gcc12-omp
-          python-version: '3.8'
-          os: ubuntu-22.04
+        - name: pytest-ubuntu-py313-gcc12-omp
+          python-version: '3.13'
+          os: ubuntu-24.04
           arch: "gcc-12"
           language: "openmp"
-          sympy: "1.10"
-          platform: "cpu64"
+          sympy: "1.13"
 
-        - name: pytest-ubuntu-py38-gcc7-omp
-          python-version: '3.8'
+        - name: pytest-ubuntu-py39-gcc7-omp
+          python-version: '3.9'
           os: ubuntu-20.04
           arch: "gcc-7"
           language: "openmp"
           sympy: "1.9"
-          platform: "cpu64"
 
         - name: pytest-ubuntu-py310-gcc10-noomp
           python-version: '3.10'
           os: ubuntu-20.04
           arch: "gcc-10"
           language: "C"
           sympy: "1.11"
-          platform: "cpu64"
 
         - name: pytest-ubuntu-py312-gcc13-omp
           python-version: '3.12'
           os: ubuntu-24.04
           arch: "gcc-13"
           language: "openmp"
           sympy: "1.13"
-          platform: "cpu64"
 
         - name: pytest-ubuntu-py39-gcc9-omp
           python-version: '3.9'
           os: ubuntu-20.04
           arch: "custom"
           language: "openmp"
-          sympy: "1.9"
-          platform: "cpu64"
+          sympy: "1.10"
 
         - name: pytest-osx-py312-clang-omp
           python-version: '3.12'
           os: macos-latest
           arch: "clang"
           language: "openmp"
-          sympy: "1.9"
-          platform: "m1"
+          sympy: "1.13"
 
         - name: pytest-docker-py39-gcc-omp
           python-version: '3.9'
           os: ubuntu-latest
           arch: "gcc"
           language: "openmp"
           sympy: "1.12"
-          platform: "cpu64"
 
         - name: pytest-docker-py39-icx-omp
           python-version: '3.9'
           os: ubuntu-latest
           arch: "icx"
           language: "openmp"
           sympy: "1.12"
-          platform: "intel64"
 
         - set: base
           test-set: 'not adjoint'
@@ -134,6 +124,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Build docker image
       if: contains(matrix.name, 'docker')

setup.py

@@ -1,7 +1,6 @@
 import versioneer
 
 import os
-import sys
 import pkg_resources
 from setuptools import setup, find_packages
 
@@ -19,10 +18,6 @@ def numpy_compat(required):
     new_reqs = [r for r in required if "numpy" not in r and "sympy" not in r]
     sympy_lb, sympy_ub = min_max(required, "sympy")
     numpy_lb, numpy_ub = min_max(required, "numpy")
-    if sys.version_info < (3, 9):
-        # Numpy 2.0 requires python > 3.8
-        new_reqs.extend([f"sympy>={sympy_lb},<1.12.1", f"numpy>{numpy_lb},<2.0"])
-        return new_reqs
 
     # Due to api changes in numpy 2.0, it requires sympy 1.12.1 at the minimum
     # Check if sympy is installed and enforce numpy version accordingly.
@@ -108,7 +103,7 @@ def numpy_compat(required):
       },
       url='http://www.devitoproject.org',
       platforms=["Linux", "Mac OS-X", "Unix"],
-      python_requires=">=3.8",
+      python_requires=">=3.9",
       classifiers=[
           'Development Status :: 5 - Production/Stable',
           'Intended Audience :: Developers',
@@ -120,7 +115,6 @@ def numpy_compat(required):
           'Operating System :: Unix',
           'Programming Language :: Python',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: 3.9',
           'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: 3.11',