Use pre-commit in tox

requirements/static.in

@@ -1,6 +1 @@
-bandit[toml]
-black
-flake8
-flake8-bugbear
-isort
-nbstripout
+pre-commit

requirements/static.txt

@@ -1,71 +1,24 @@
-# SHA1:2b8bc3420a7f9513cef3dbf7668fd600dac952b6
 #
-# This file is autogenerated by pip-compile-multi
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
 #
-#    pip-compile-multi
+#    pip-compile --resolver=backtracking requirements/static.in
 #
-attrs==22.2.0
-    # via
-    #   flake8-bugbear
-    #   jsonschema
-bandit[toml]==1.7.4
+cfgv==3.3.1
+    # via pre-commit
+distlib==0.3.6
+    # via virtualenv
+filelock==3.9.0
+    # via virtualenv
+identify==2.5.13
+    # via pre-commit
+nodeenv==1.7.0
+    # via pre-commit
+platformdirs==2.6.0
+    # via virtualenv
+pre-commit==2.21.0
     # via -r requirements/static.in
-black==22.12.0
-    # via -r requirements/static.in
-click==8.1.3
-    # via black
-fastjsonschema==2.16.2
-    # via nbformat
-flake8==6.0.0
-    # via
-    #   -r requirements/static.in
-    #   flake8-bugbear
-flake8-bugbear==22.12.6
-    # via -r requirements/static.in
-gitdb==4.0.10
-    # via gitpython
-gitpython==3.1.30
-    # via bandit
-isort==5.11.4
-    # via -r requirements/static.in
-jsonschema==4.17.3
-    # via nbformat
-jupyter-core==5.1.3
-    # via nbformat
-mccabe==0.7.0
-    # via flake8
-mypy-extensions==0.4.3
-    # via black
-nbformat==5.7.1
-    # via nbstripout
-nbstripout==0.6.1
-    # via -r requirements/static.in
-pathspec==0.10.3
-    # via black
-pbr==5.11.0
-    # via stevedore
-platformdirs==2.6.2
-    # via
-    #   black
-    #   jupyter-core
-pycodestyle==2.10.0
-    # via flake8
-pyflakes==3.0.1
-    # via flake8
-pyrsistent==0.19.3
-    # via jsonschema
 pyyaml==6.0
-    # via bandit
-smmap==5.0.0
-    # via gitdb
-stevedore==4.1.1
-    # via bandit
-toml==0.10.2
-    # via bandit
-tomli==2.0.1
-    # via black
-traitlets==5.8.1
-    # via
-    #   jupyter-core
-    #   nbformat
+    # via pre-commit
+virtualenv==20.17.1
+    # via pre-commit

tox.ini

@@ -20,12 +20,10 @@ commands = python -m sphinx -j2 -v -b html -d {toxworkdir}/docs_doctrees docs ht
 
 [testenv:static]
 description = Code formatting and static analysis
-basepython = python3.8
 skip_install = true
 deps = -r requirements/static.txt
-allowlist_externals = find
-commands = black .
-           isort .
-           find docs -type f -regex '.*\.ipynb' -exec nbstripout --extra-keys 'metadata.language_info.version cell.metadata.jp-MarkdownHeadingCollapsed cell.metadata.pycharm' --drop-empty-cells \{\} +
-           flake8 .
-           bandit -c pyproject.toml -r src tools docs
+allowlist_externals = sh
+# The first run of pre-commit may reformat files. If this happens, it returns 1 but this
+# should not fail the job. So just run again if it fails. A second failure means that
+# either the different formatters can't agree on a format or that static analysis failed.
+commands = sh -c 'pre-commit run -a || (echo "" && pre-commit run -a)'