chore: drop python 3.8, add 3.13

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
           cache: 'pip'
           cache-dependency-path: pyproject.toml
 
@@ -52,7 +52,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install Python packages
         run: |
@@ -79,7 +79,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-22.04, macos-13, windows-2022 ]
-        python: [ 3.8, 3.9, "3.10", "3.11", "3.12" ]
+        python: [ 3.9, "3.10", "3.11", "3.12", "3.13" ]
     env:
       GCC_V: 11
     steps:
@@ -137,26 +137,23 @@ jobs:
         run: pip install ".[test]"
 
       - name: Cache modflow6 examples
-        if: matrix.python != 3.8
         id: cache-examples
         uses: actions/cache@v3
         with:
           path: modflow6-examples/examples
           key: modflow6-examples-${{ hashFiles('modflow6-examples/data/**') }}
 
       - name: Install extra Python packages
-        if: matrix.python != 3.8
         working-directory: modflow6-examples/etc
         run: |
           pip install -r requirements.pip.txt
           pip install -r requirements.usgs.txt
 
       - name: Update FloPy packages
-        if: matrix.python != 3.8
         run: python -m flopy.mf6.utils.generate_classes --ref develop --no-backup
 
       - name: Build modflow6 example models
-        if: matrix.python != 3.8 && steps.cache-examples.outputs.cache-hit != 'true'
+        if: steps.cache-examples.outputs.cache-hit != 'true'
         working-directory: modflow6-examples/autotest
         run: pytest -v -n auto test_scripts.py --init
 
@@ -171,7 +168,7 @@ jobs:
         # only invoke the GH API on one OS and Python version
         # to avoid rate limits (1000 rqs / hour / repository)
         # https://docs.github.com/en/actions/learn-github-actions/usage-limits-billing-and-administration#usage-limits
-        if: runner.os == 'Linux' && matrix.python == '3.8'
+        if: runner.os == 'Linux'
         working-directory: modflow-devtools/autotest
         env:
           REPOS_PATH: ${{ github.workspace }}

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
           cache: 'pip'
           cache-dependency-path: pyproject.toml
 
@@ -177,7 +177,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install Python dependencies
         run: |

.readthedocs.yml

@@ -2,7 +2,7 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.8"
+    python: "3.9"
 sphinx:
   configuration: docs/conf.py
 formats:

DEVELOPER.md

@@ -19,7 +19,7 @@ This document provides guidance to set up a development environment and discusse
 
 ## Requirements
 
-Python3.8+ is currently required. This project supports several recent versions of Python, loosely following [NEP 29](https://numpy.org/neps/nep-0029-deprecation_policy.html#implementation) and aiming to stay synchronized with [FloPy](https://github.com/modflowpy/flopy).
+Python3.9+ is currently required. This project supports several recent versions of Python, loosely following [NEP 29](https://numpy.org/neps/nep-0029-deprecation_policy.html#implementation) and aiming to stay synchronized with [FloPy](https://github.com/modflowpy/flopy).
 
 ## Installation
 

README.md

@@ -52,7 +52,7 @@ Pytest features include:
 
 ## Requirements
 
-Python3.8+, dependency-free, but pairs well with `pytest` and select plugins, e.g.
+Python3.9+, dependency-free, but pairs well with `pytest` and select plugins, e.g.
 
 - [`pytest-dotenv`](https://github.com/quiqua/pytest-dotenv)
 - [`pytest-xdist`](https://github.com/pytest-dev/pytest-xdist)

pyproject.toml

@@ -32,14 +32,14 @@ classifiers = [
     "License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3",
-    "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 :: Hydrology"
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 
 [project.optional-dependencies]