Improve tooling

.flake8

@@ -0,0 +1,13 @@
+[flake8]
+doctests = 1
+ignore =
+    # black takes care of line length
+    E501,
+    # black takes care of where to break lines
+    W503,
+    # black takes care of spaces within slicing (list[:])
+    E203,
+    # black takes care of spaces after commas
+    E231,
+    # as one has to use self.XX it should not be a problem
+    A003,

.github/workflows/tests.yml

@@ -1,33 +1,20 @@
 name: Testing
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 jobs:
   test:
-    name: py-${{ matrix.python-version }}/isort-${{ matrix.isort }}/flake8-${{ matrix.flake8 }}
-    runs-on: ubuntu-latest
+    name: Testing on
+    runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        python-version: ["3.12.0-beta.2", "3.11", "3.10", 3.9, 3.8, pypy-3.9]
-        isort: [5.11.2]
-        flake8: [5.0.4]
-        include:
-          - python-version: 3.9
-            isort: 5.11.2
-            flake8: 4.0.1
-            qa: 'true'
-          - python-version: 3.9
-            isort: 5.11.2
-            flake8: 3.9.2
-          - python-version: 3.9
-            isort: 5.11.2
-            flake8: 6.0.0
+        python-version: ["3.12", "3.11", "3.10", 3.9, 3.8, pypy-3.9]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -36,52 +23,36 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('requirements.txt') }}
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('tox.ini') }}
           restore-keys: |
             ${{ runner.os }}-pip-${{ matrix.python-version }}-
-      - name: pip version
-        run: pip --version
       - name: Install dependencies
-        if: matrix.qa != 'true'
-        run: |
-          python -m pip install -r requirements.txt
-          pip install 'isort==${{ matrix.isort }}' 'flake8==${{ matrix.flake8 }}'
-      - name: Install dependencies
-        if: matrix.qa == 'true'
-        run: |
-          python -m pip install -r requirements-lint.txt
-          pip install 'isort==${{ matrix.isort }}' 'flake8==${{ matrix.flake8 }}'
-      # isort 4.x requires `toml` to be able to read pyproject.toml, so install it...
-      - name: Install toml if required
-        run: pip install toml
-        if: matrix.isort == '4.3.21'
-      # formatters
-      - name: Run pyupgrade
-        if: matrix.qa == 'true'
-        run: pyupgrade --py37-plus *.py
-      - name: Run isort
-        if: matrix.qa == 'true'
-        run: isort --check-only *.py
-      - name: Run black
-        if: matrix.qa == 'true'
-        run: black --check --skip-string-normalization *.py
-      # linters
-      - name: Lint with bandit
-        if: matrix.qa == 'true'
-        run: bandit --skip B101 *.py  # B101 is assert statements
-      - name: Lint with codespell
-        if: matrix.qa == 'true'
-        run: codespell *.rst *.py
-      - name: Lint with flake8
-        if: matrix.qa == 'true'
-        run: flake8 *.py --count --max-complexity=18 --max-line-length=88 --show-source --statistics
-      - name: Lint with mypy
-        if: matrix.qa == 'true'
-        run: |
-          mkdir --parents --verbose .mypy_cache
-          mypy --ignore-missing-imports --install-types --non-interactive *.py || true
-      # tests and coverage
+        run: python -m pip install tox
       - name: Test
-        run: pytest run_tests.py --cov --cov-report term-missing
-      - name: Coverage
-        run: coveralls --service=github
+        run: tox -e test
+
+  lint:
+    name: Lint code
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        python-version: [3.8]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Cache packages
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pre-commit
+            ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('tox.ini') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-${{ matrix.python-version }}-
+      - name: Install dependencies
+        run: python -m pip install tox
+      - name: Run linting
+        run: tox -e lint

.pre-commit-config.yaml

@@ -0,0 +1,51 @@
+ci:
+    autofix_prs: false
+    autoupdate_schedule: monthly
+
+repos:
+-   repo: https://github.com/asottile/pyupgrade
+    rev: v3.14.0
+    hooks:
+    -   id: pyupgrade
+        args: [--py38-plus]
+-   repo: https://github.com/pycqa/isort
+    rev: 5.12.0
+    hooks:
+    -   id: isort
+-   repo: https://github.com/psf/black
+    rev: 23.9.1
+    hooks:
+    -   id: black
+-   repo: https://github.com/PyCQA/flake8
+    rev: 6.1.0
+    hooks:
+    -   id: flake8
+        additional_dependencies:
+          - flake8-bugbear
+          - flake8-builtins
+          - flake8-comprehensions
+          - flake8-debugger
+          - flake8-deprecated
+          - flake8-isort
+          - flake8-pep3101
+          - flake8-print
+          - flake8-quotes
+
+-   repo: https://github.com/codespell-project/codespell
+    rev: v2.2.6
+    hooks:
+    -   id: codespell
+        additional_dependencies:
+          - tomli
+-   repo: https://github.com/mgedmin/check-manifest
+    rev: "0.49"
+    hooks:
+    -   id: check-manifest
+-   repo: https://github.com/regebro/pyroma
+    rev: "4.2"
+    hooks:
+    -   id: pyroma
+-   repo: https://github.com/mgedmin/check-python-versions
+    rev: "0.21.3"
+    hooks:
+    -   id: check-python-versions

CHANGES.rst

@@ -6,8 +6,17 @@ Changelog
 6.1.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Switch from `setup.cfg` to `setup.py`.
+  [deronnax]
+
+- Switch from `setuptools` to `hatchling`.
+  [gforcada]
 
+- Switch to `main` branch.
+  [gforcada]
+
+- Use `tox` and `pre-commit` to ease project maintenance.
+  [gforcada]
 
 6.1.0 (2023-09-15)
 ------------------

flake8_isort.py

@@ -1,11 +1,12 @@
-import warnings
 from contextlib import redirect_stdout
 from difflib import unified_diff
-from importlib.metadata import PackageNotFoundError, version
+from importlib.metadata import PackageNotFoundError
+from importlib.metadata import version
 from io import StringIO
 from pathlib import Path
 
 import isort
+import warnings
 
 
 def _version():

pyproject.toml

@@ -1,55 +1,61 @@
 [build-system]
-requires = ["setuptools>=61.2"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "flake8-isort"
 version = "6.1.1.dev0"
-authors = [{ name = "Gil Forcada", email = "gil.gnome@gmail.com" }]
-license = { text = "GPL version 2" }
-description = "flake8 plugin that integrates isort ."
+authors = [
+  { name="Gil Forcada Codinachs", email="gil.gnome@gmail.com" },
+]
+description = "flake8 plugin that integrates isort"
 keywords = ["pep8", "flake8", "python", "isort", "imports"]
+license = {file = "LICENSE"}
 readme = "README.rst"
+requires-python = ">=3.8"
 classifiers = [
-    "Development Status :: 5 - Production/Stable",
-    "Environment :: Console",
-    "Framework :: Flake8",
-    "Intended Audience :: Developers",
-    "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
-    "Operating System :: OS Independent",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: Implementation :: CPython",
-    "Programming Language :: Python :: Implementation :: PyPy",
-    "Topic :: Software Development",
-    "Topic :: Software Development :: Quality Assurance",
+        "Development Status :: 5 - Production/Stable",
+        "Environment :: Console",
+        "Framework :: Flake8",
+        'Framework :: Plone',
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3 :: Only",
+        "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 :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
+        "Topic :: Software Development",
+        "Topic :: Software Development :: Quality Assurance",
 ]
-urls = { Homepage = "https://github.com/gforcada/flake8-isort" }
-requires-python = ">=3.8"
 dependencies = ["flake8", "isort >= 5.0.0, <6"]
 
-[project.entry-points]
-"flake8.extension" = { I00 = "flake8_isort:Flake8Isort" }
+[project.urls]
+"Homepage" = "https://github.com/gforcada/flake8-isort"
+"Bug Tracker" = "https://github.com/gforcada/flake8-isort/issues"
+"Changelog" = "https://github.com/gforcada/flake8-isort/blob/main/CHANGES.rst"
 
 [project.optional-dependencies]
 test = ["pytest"]
 
-[tool.setuptools]
-py-modules = ["flake8_isort"]
-zip-safe = false
-include-package-data = true
+[project.entry-points."flake8.extension"]
+I00 = "flake8_isort:Flake8Isort"
+
+[tool.isort]
+profile = "plone"
 
-[tool."zest.releaser"]
-create-wheel = "yes"
+[tool.black]
+target-version = ["py38"]
+skip-string-normalization = true
 
 [tool.check-manifest]
-ignore = """
-.installed.cfg"""
-
-[tool.isort]
-profile = "black"
+ignore = [
+    ".vscode/*",
+    "venv/*",
+]