Add pre-commit hook to repo and to CI.

.github/workflows/CI.yaml

@@ -22,6 +22,19 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.9"
+          cache: pip
+          cache-dependency-path: pyproject.toml
+
+      - uses: pre-commit/action@v3.0.0
+
   test:
     name: Test on ${{ matrix.os }}, Python ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}

.pre-commit-config.yaml

@@ -0,0 +1,46 @@
+default_language_version:
+  python: python3
+exclude: ^(.github/|tests/test_data/abinit/)
+repos:
+- repo: https://github.com/charliermarsh/ruff-pre-commit
+  rev: v0.4.2
+  hooks:
+  - id: ruff
+    args: [--fix]
+  - id: ruff-format
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.6.0
+  hooks:
+  - id: check-yaml
+  - id: fix-encoding-pragma
+    args: [--remove]
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
+- repo: https://github.com/asottile/blacken-docs
+  rev: 1.16.0
+  hooks:
+  - id: blacken-docs
+    additional_dependencies: [black]
+    exclude: README.md
+- repo: https://github.com/pre-commit/pygrep-hooks
+  rev: v1.10.0
+  hooks:
+  - id: python-use-type-annotations
+  - id: rst-backticks
+  - id: rst-directive-colons
+  - id: rst-inline-touching-normal
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: v1.10.0
+  hooks:
+  - id: mypy
+    files: ^src/
+    additional_dependencies:
+    - tokenize-rt==4.1.0
+    - types-paramiko
+- repo: https://github.com/codespell-project/codespell
+  rev: v2.2.6
+  hooks:
+  - id: codespell
+    stages: [commit, commit-msg]
+    args: [--ignore-words-list, 'titel,statics,ba,nd,te,atomate']
+    types_or: [python, rst, markdown]