Bump minimal Python version to 3.10 (#19)

* Bump minimal Python version to 3.10

* Add `pyupgrade` to CI

Author: tothtamas28

.github/workflows/test-pr.yml

@@ -16,7 +16,7 @@ jobs:
       - name: 'Install Python'
         uses: actions/setup-python@v4
         with:
-          python-version: '3.8'
+          python-version: '3.10'
       - name: 'Install cookiecutter'
         run: pip install cookiecutter
       - name: 'Install Poetry'
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.10']
+        python-version: ['3.10', '3.11']
     steps:
       - name: 'Install Python'
         uses: actions/setup-python@v4
@@ -52,6 +52,8 @@ jobs:
           key: test-project-${{ github.run_id }}
       - name: 'Run tests'
         run: make -C test-project all
+      - name: 'Run pyupgrade'
+        run: make -C test-project pyupgrade
 
   nix-build:
     name: 'Build with Nix'

{{cookiecutter.project_slug}}/Makefile

@@ -82,3 +82,11 @@ black: poetry-install
 
 check-black: poetry-install
 	$(POETRY_RUN) black --check src
+
+
+# Optional tools
+
+SRC_FILES := $(shell find src -type f -name '*.py')
+
+pyupgrade: poetry-install
+	$(POETRY_RUN) pyupgrade --py310-plus $(SRC_FILES)

{{cookiecutter.project_slug}}/flake.nix

@@ -11,7 +11,7 @@
         poetry2nix.overlay
         (final: prev: {
           {{ cookiecutter.project_slug }} = prev.poetry2nix.mkPoetryApplication {
-            python = prev.python39;
+            python = prev.python310;
             projectDir = ./.;
             groups = [];
             # We remove `dev` from `checkGroups`, so that poetry2nix does not try to resolve dev dependencies.

{{cookiecutter.project_slug}}/pyproject.toml

@@ -11,7 +11,7 @@ authors = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.10"
 
 [tool.poetry.group.dev.dependencies]
 autoflake = "*"
@@ -28,6 +28,7 @@ pytest = "*"
 pytest-cov = "*"
 pytest-mock = "*"
 pytest-xdist = "*"
+pyupgrade = "*"
 
 [tool.isort]
 profile = "black"