add pre-commit hooks

isort
black-jupyter
flake8
pyupgrade
mypy
check-case-conflict
check-symlinks
check-yaml
destroyed-symlinks
end-of-file-fixer
mixed-line-ending
trailing-whitespace
pydocstyle
codespell
svg-assets
autoflake
nbqa-pyupgrade
nbqa-isort
nbqa-flake8

Author: janosh

.pre-commit-config.yaml

@@ -1,5 +1,83 @@
+ci:
+  autoupdate_schedule: quarterly
+
+default_stages: [commit]
+
+default_install_hook_types: [pre-commit, commit-msg]
+
+# ignore generated doc and dependency lock files
+exclude: ^(docs/.+|.*lock.*)$
+
 repos:
-  - repo: https://github.com/ambv/black
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+
+  - repo: https://github.com/psf/black
     rev: 22.6.0
     hooks:
-    - id: black
+      - id: black-jupyter
+
+  - repo: https://github.com/PyCQA/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.34.0
+    hooks:
+      - id: pyupgrade
+        args: [--py38-plus]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.961
+    hooks:
+      - id: mypy
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-case-conflict
+      - id: check-symlinks
+      - id: check-yaml
+      - id: destroyed-symlinks
+      - id: end-of-file-fixer
+        exclude: ^assets/.+\.(svg|html)$
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.1.0
+    hooks:
+      - id: codespell
+        stages: [commit, commit-msg]
+        exclude_types: [csv, svg, html, yaml, jupyter]
+
+  - repo: local
+    hooks:
+      - id: svg-assets
+        name: SVG assets
+        entry: Files under assets/* must end in .(svg|html)
+        language: fail
+        files: ^assets/.*(?<!\.svg)(?<!\.html)$
+
+  - repo: https://github.com/myint/autoflake
+    rev: v1.4
+    hooks:
+      - id: autoflake
+        args:
+          - --in-place
+          - --remove-unused-variables
+          - --remove-all-unused-imports
+          - --expand-star-imports
+          - --ignore-init-module-imports
+
+  - repo: https://github.com/nbQA-dev/nbQA
+    rev: 1.3.1
+    hooks:
+      - id: nbqa-pyupgrade
+        args: [--py38-plus]
+      - id: nbqa-isort
+      - id: nbqa-flake8
+        args: [--ignore=E402]

setup.cfg

@@ -1,2 +1,9 @@
 [flake8]
-max-line-length = 88
+max-line-length = 120
+# E203: whitespace before ':'
+# W503 line break before binary operator
+# E731: do not assign a lambda expression, use a def
+ignore = E203,E731,W503
+per-file-ignores =
+  # F401: imported but unused
+  __init__.py: F401