Switched linters to ruff

.github/workflows/build.yml

@@ -55,50 +55,14 @@ jobs:
       run: |
         ./runtests.py --use-tz=false
 
-  flake8:
+  pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.9'
-    - uses: actions/cache@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
       with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ '3.9' }}-${{ hashFiles('requirements*.txt') }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -e .
-        pip install -r requirements-dev.txt
-    - name: Lint with flake8
-      run: |
-        flake8 --version
-        flake8 .
-
-  isort:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.9'
-    - uses: actions/cache@v2
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ '3.9' }}-${{ hashFiles('requirements*.txt') }}
-    - name: Install deps
-      run: |
-        python -m pip install --upgrade pip
-        pip install -e .
-        pip install -r requirements-dev.txt
-    - name: Run isort
-      run: |
-        isort --version
-        isort -c .
+        python-version: "3.10"
+    - uses: pre-commit/action@v3.0.0
 
   check-manifest:
     runs-on: ubuntu-latest

.pre-commit-config.yaml

@@ -4,44 +4,17 @@ repos:
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
-  - repo: 'https://github.com/pycqa/flake8'
-    rev: 3.9.2
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.4.2
     hooks:
-      - id: flake8
-  - repo: 'https://github.com/pre-commit/mirrors-isort'
-    rev: v5.10.1
-    hooks:
-      - id: isort
+      - id: ruff
+        args: [ --fix, --exit-non-zero-on-fix ]
   - repo: 'https://github.com/mgedmin/check-manifest'
     rev: '0.48'
     hooks:
       - id: check-manifest
-  - repo: 'https://github.com/myint/autoflake'
-    rev: v2.0.0
-    hooks:
-      - id: autoflake
-        args:
-          - '--remove-all-unused-imports'
-          - '-i'
-        language_version: python3.9
-  - repo: 'https://github.com/pre-commit/mirrors-autopep8'
-    rev: v2.0.0
-    hooks:
-      - id: autopep8
-        language_version: python3.9
   - repo: https://github.com/psf/black
     rev: 22.10.0
     hooks:
       - id: black
         language_version: python3.9
-  - repo: https://github.com/ikamensh/flynt/
-    rev: '0.77'
-    hooks:
-      - id: flynt
-        language_version: python3.9
-  - repo: https://github.com/asottile/pyupgrade
-    rev: v3.2.2
-    hooks:
-      - id: pyupgrade
-        entry: pyupgrade --py3-plus --py36-plus --keep-runtime-typing
-        language_version: python3.9

CONTRIBUTING.rst

@@ -47,14 +47,14 @@ Development environment
 
 4. Install development tools::
 
-     pip install tox isort flake8
+     pip install -r requirements-test.txt -r requirements-dev.txt
 
-5. Recommended: Install `pre-commit <https://pre-commit.com/>`_ and set up
+5. Strongly recommended: Install `pre-commit <https://pre-commit.com/>`_ and set up
    the hooks::
 
        pre-commit install
 
-   This will run flake8/isort automatically when you commit.
+   This will run linters automatically when you commit.
 
 Code quality
 ~~~~~~~~~~~~

pyproject.toml

@@ -11,3 +11,18 @@ default_section= "THIRDPARTY"
 forced_separate = ["paypal.pro.tests", "paypal.standard.ipn.tests", "paypal.standard.pdt.tests"]
 skip = [".tox", "dist", "build", ".git"]
 skip_glob = ["**/migrations/*.py"]
+
+[tool.ruff]
+line-length = 120
+target-version = 'py37'
+
+[tool.ruff.lint]
+extend-select = [
+  "UP",  # enable pyupgrade
+  "I",   # enable isort
+  "FLY", # enable flynt
+]
+ignore = [
+  "E731",
+  "UP031",
+]

requirements-dev.txt

@@ -1,4 +1,4 @@
-flake8==3.8.4
-isort==5.7.0
 check-manifest
 twine
+ruff
+tox

setup.cfg

@@ -1,4 +0,0 @@
-[flake8]
-exclude = .tox,.git,docs,*/migrations/*,dist,build,.ropeproject
-ignore = E123,E128,E731,W504,W503
-max-line-length = 120

tox.ini

@@ -13,7 +13,7 @@ envlist =
         py310-django40
         py311-django42
         py312-django50
-        checkmanifest, isort-check, flake8-check
+        checkmanifest
 
 [testenv]
 commands =
@@ -38,19 +38,3 @@ deps =
      check-manifest
      Django
 commands = check-manifest
-
-[testenv:isort-check]
-# isort configurations are located in setup.cfg
-basepython = python3.9
-deps =
-     -r requirements-dev.txt
-     Django
-commands = isort -rc -c {toxinidir}
-
-[testenv:flake8-check]
-# flake8 configurations are located in setup.cfg
-basepython = python3.9
-deps =
-     -r requirements-dev.txt
-     Django
-commands = flake8