build: drop python 3.8

.github/workflows/ci.yaml

@@ -42,21 +42,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.10", "3.11"]
+        python-version: ["3.10", "3.11", "3.12"]
         platform: [ubuntu-latest, windows-latest]
         include:
           - python-version: "3.9"
             platform: ubuntu-latest
-          - python-version: "3.8"
-            platform: macos-13
           - python-version: "3.9"
             platform: macos-13
           - python-version: "3.10"
             platform: macos-latest
           - python-version: "3.11"
             platform: macos-latest
-          - python-version: "3.12"
-            platform: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -87,7 +83,7 @@ jobs:
           python setup.py build_ext --inplace  # required for C coverage
         env:
           CYTHON_TRACE: 1 # enable coverage of cython code
-          CFLAGS: '-coverage' # enable coverage of C code
+          CFLAGS: "-coverage" # enable coverage of C code
 
       - name: run tests
         run: |
@@ -100,7 +96,7 @@ jobs:
         uses: codecov/codecov-action@v4
         with:
           files: ./coverage.xml,./coverage_cpp.xml
-        
+
   # we only deploy the sdist to PyPI, the wheel is still complicated
   deploy-sdist:
     if: startsWith(github.ref, 'refs/tags')

ilpy/_functional.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Callable, Iterable, Literal, Mapping, Sequence, Tuple
+from collections.abc import Iterable, Mapping, Sequence
+from typing import TYPE_CHECKING, Callable, Literal, Tuple
 
 from .expressions import Expression
 from .wrapper import (

ilpy/expressions.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
 import ast
-from typing import Any, ClassVar, Sequence, Union
+from collections.abc import Sequence
+from typing import Any, ClassVar, Union
 
 from ilpy.wrapper import Constraint, Objective, Relation, Sense
 

ilpy/wrapper.pyi

@@ -1,5 +1,6 @@
+from collections.abc import Iterable, Mapping, Sequence
 from enum import IntEnum, auto
-from typing import TYPE_CHECKING, Callable, Iterable, Mapping, Sequence
+from typing import TYPE_CHECKING, Callable
 
 if TYPE_CHECKING:
     LinearCoeffs = Sequence[float] | Mapping[int, float]

pyproject.toml

@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "ilpy"
 description = "Python wrappers for popular MIP solvers."
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = { text = "MIT" }
 authors = [
     { email = "funkej@janelia.hhmi.org", name = "Jan Funke" },
@@ -48,7 +48,7 @@ readme = { file = ["README.md"] }
 
 # https://beta.ruff.rs/docs
 [tool.ruff]
-target-version = "py38"
+target-version = "py39"
 src = ["ilpy"]
 
 [tool.ruff.lint]

tests/test_solvers.py

@@ -2,7 +2,8 @@
 
 import operator
 import os
-from typing import Iterable, NamedTuple, Sequence
+from collections.abc import Iterable, Sequence
+from typing import NamedTuple
 from unittest.mock import Mock
 
 import ilpy