From a8d84b936918db9704016c79f7fea53d4c91f4e9 Mon Sep 17 00:00:00 2001
From: Dimitri Papadopoulos
 <3234522+DimitriPapadopoulos@users.noreply.github.com>
Date: Thu, 1 Feb 2024 17:21:30 +0100
Subject: [PATCH] Revert replacement of flake8 with ruff

Start with reverting parts of commit 26be794 in #629 related to config
and CI jobs.
---
 .flake8                   | 4 ++++
 .github/workflows/ci.yaml | 4 ++--
 .ruff.toml                | 6 ------
 CONTRIBUTING.rst          | 2 +-
 pyproject.toml            | 3 ++-
 5 files changed, 9 insertions(+), 10 deletions(-)
 create mode 100644 .flake8
 delete mode 100644 .ruff.toml

diff --git a/.flake8 b/.flake8
new file mode 100644
index 00000000..2b7958b8
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,4 @@
+[flake8]
+import-order-style = pep8
+application-import-names = yamllint
+ignore = W503,W504
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 506d610d..780831e9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,9 +21,9 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
       - run:
-          pip install ruff sphinx rstcheck[sphinx] doc8
+          pip install flake8 flake8-import-order sphinx rstcheck[sphinx] doc8
       - run: pip install .
-      - run: ruff .
+      - run: flake8 .
       - run: doc8 $(git ls-files '*.rst')
       - run: rstcheck --ignore-directives automodule $(git ls-files '*.rst')
       - run: yamllint --strict $(git ls-files '*.yaml' '*.yml')
diff --git a/.ruff.toml b/.ruff.toml
deleted file mode 100644
index c7e7ce97..00000000
--- a/.ruff.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[lint]
-extend-select = ["B", "I", "PGH", "TRY", "UP"]
-ignore = ["TRY003"]
-
-[lint.isort]
-known-third-party = ["tests"]
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index a1fde07b..312c6d88 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -23,7 +23,7 @@ Pull Request Process
 
    .. code:: bash
 
-    ruff .
+    flake8 .
 
    If you added/modified documentation:
 
diff --git a/pyproject.toml b/pyproject.toml
index 5fd24df5..63746f63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,8 +26,9 @@ dynamic = ["version"]
 [project.optional-dependencies]
 dev = [
     "doc8",
+    "flake8",
+    "flake8-import-order",
     "rstcheck[sphinx]",
-    "ruff",
     "sphinx",
 ]