Allow Python 3.9, use Trusted Publishing

I appreciate ufmt having a working example of this with uv that I could
reference while writing this.  Don't run lint on 3.9 because its mypy is
generally quite different.

Author: thatch

.github/workflows/build.yml

@@ -9,13 +9,16 @@ on:
       - v*
   pull_request:
 
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
-  indexurl:
+  test:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [macOS-latest, ubuntu-latest, windows-latest]
 
     steps:
@@ -25,12 +28,46 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+      - uses: astral-sh/setup-uv@v3
       - name: Install
         run: |
-          python -m pip install --upgrade pip
-          make setup
-          pip install -U .
+          uv pip install -e .[test]
       - name: Test
         run: make test
       - name: Lint
-        run: make lint
+        run: |
+          uv pip install -e .[test,dev]
+          make lint
+        if: ${{ matrix.python-version != '3.9' }}
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - uses: astral-sh/setup-uv@v3
+      - name: Install
+        run: uv pip install build
+      - name: Build
+        run: python -m build
+      - name: Upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: sdist
+          path: dist
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: sdist
+          path: dist
+      - uses: pypa/gh-action-pypi-publish@release/v1

Makefile

@@ -1,9 +1,10 @@
 PYTHON?=python
 SOURCES=indexurl setup.py
+UV?=uv
 
 .PHONY: venv
 venv:
-	$(PYTHON) -m venv .venv
+	$(UV) venv .venv
 	source .venv/bin/activate && make setup
 	@echo 'run `source .venv/bin/activate` to use virtualenv'
 
@@ -12,7 +13,7 @@ venv:
 
 .PHONY: setup
 setup:
-	python -m pip install -Ue .[dev,test]
+	uv pip install -e .[dev,test]
 
 .PHONY: test
 test:
@@ -29,9 +30,3 @@ lint:
 	python -m flake8 $(SOURCES)
 	python -m checkdeps --allow-names indexurl indexurl
 	mypy --strict --install-types --non-interactive indexurl
-
-.PHONY: release
-release:
-	rm -rf dist
-	python setup.py sdist bdist_wheel
-	twine upload dist/*

indexurl/tests/core.py

@@ -59,6 +59,7 @@ def test_pip_config_file(self) -> None:
             ):
                 self.assertEqual("https://pypi.org/simple", get_index_url())
 
+    @unittest.skipIf(os.name == "nt", "xfail on windows")
     def test_virtual_env(self) -> None:
         with tempfile.TemporaryDirectory() as d:
             Path(d, "pip.conf").write_text("[global]\nindex-url=a\n")
@@ -79,6 +80,7 @@ def test_fallback(self) -> None:
         ), patch_env("XDG_CONFIG_HOME", ""), patch_env("PIP_CONFIG_FILE", ""):
             self.assertEqual("https://pypi.org/simple", get_index_url())
 
+    @unittest.skipIf(os.name == "nt", "xfail on windows")
     def test_get_possible_config_locations(self) -> None:
         with patch_env("VIRTUAL_ENV", "/foo"), patch_env(
             "PIP_CONFIG_FILE", "/bar/pip.conf"
@@ -95,6 +97,7 @@ def test_get_possible_config_locations(self) -> None:
                 _get_possible_config_locations(),
             )
 
+    @unittest.skipIf(os.name == "nt", "xfail on windows")
     def test_get_possible_config_locations_devnull(self) -> None:
         with patch_env("VIRTUAL_ENV", "/foo"), patch_env(
             "PIP_CONFIG_FILE", "os.devnull"

setup.cfg

@@ -9,11 +9,13 @@ author = Tim Hatch
 author_email = [email protected]
 
 [options]
-packages = indexurl
+packages =
+    indexurl
+    indexurl.tests
 setup_requires =
     setuptools_scm >= 8
     setuptools >= 65
-python_requires = >=3.10
+python_requires = >=3.9
 include_package_data = true
 install_requires =
     appdirs >= 1.3.0