Add ruff and remove everything it replaces

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
 
     - uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'zulu'
         cache: 'maven'
 
@@ -56,22 +56,10 @@ jobs:
       - uses: actions/setup-python@v3
 
       - name: Lint code
-        uses: psf/black@stable
-
-      - name: Flake code
-        run: |
-          python -m pip install flake8 Flake8-pyproject flake8-typing-imports
-          python -m flake8 src tests
-
-      - name: Check import ordering
-        uses: isort/isort-action@master
-        with:
-          configuration: --check-only
-
-      - name: Validate pyproject.toml
         run: |
-          python -m pip install validate-pyproject[all]
-          python -m validate_pyproject pyproject.toml
+          python -m pip install ruff
+          ruff check
+          ruff format --check
 
   conda-dev-test:
     name: Conda Setup & Code Coverage

Makefile

@@ -20,6 +20,9 @@ check:
 lint: check
 	bin/lint.sh
 
+fmt: check
+	bin/fmt.sh
+
 test: check
 	bin/test.sh
 

bin/fmt.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+dir=$(dirname "$0")
+cd "$dir/.."
+
+exitCode=0
+ruff check --fix
+code=$?; test $code -eq 0 || exitCode=$code
+ruff format
+code=$?; test $code -eq 0 || exitCode=$code
+exit $exitCode

bin/lint.sh

@@ -4,12 +4,8 @@ dir=$(dirname "$0")
 cd "$dir/.."
 
 exitCode=0
-black src tests
+ruff check
 code=$?; test $code -eq 0 || exitCode=$code
-isort src tests
-code=$?; test $code -eq 0 || exitCode=$code
-python -m flake8 src tests
-code=$?; test $code -eq 0 || exitCode=$code
-validate-pyproject pyproject.toml
+ruff format --check
 code=$?; test $code -eq 0 || exitCode=$code
 exit $exitCode

dev-environment.yml

@@ -29,19 +29,13 @@ dependencies:
   - pandas
   # Developer tools
   - assertpy
-  - autopep8
-  - black
-  - build
-  - flake8
-  - isort
   - pytest
   - pytest-cov
+  - ruff
   - toml
   # Project from source
   - pip
   - pip:
     - git+https://github.com/ninia/jep.git@cfca63f8b3398daa6d2685428660dc4b2bfab67d
-    - flake8-pyproject
-    - flake8-typing-imports
-    - validate-pyproject[all]
+    - build
     - -e .

pyproject.toml

@@ -40,20 +40,14 @@ dependencies = [
 # NB: Keep this in sync with dev-environment.yml!
 dev = [
     "assertpy",
-    "autopep8",
-    "black",
     "build",
-    "flake8",
-    "flake8-pyproject",
-    "flake8-typing-imports",
-    "isort",
     "jep",
     "pytest",
     "pytest-cov",
     "numpy",
     "pandas",
-    "toml",
-    "validate-pyproject[all]",
+    "ruff",
+    "toml"
 ]
 
 [project.urls]
@@ -72,13 +66,15 @@ where = ["src"]
 namespaces = false
 
 # Thanks to Flake8-pyproject, we can configure flake8 here!
-[tool.flake8]
-exclude = ["bin", "build", "dist"]
+[tool.ruff]
+line-length = 88
+src = ["src", "tests"]
+include = ["pyproject.toml", "src/**/*.py", "tests/**/*.py"]
+extend-exclude = ["bin", "build", "dist"]
+
+[tool.ruff.lint]
 extend-ignore = ["E203"]
-# See https://black.readthedocs.io/en/stable/guides/using_black_with_other_tools.html#flake8
-max-line-length = 88
-min_python_version = "3.8"
-per-file-ignores = "__init__.py:F401"
 
-[tool.isort]
-profile = "black"
+[tool.ruff.lint.per-file-ignores]
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+"__init__.py" = ["E402", "F401"]