Setup pre-commit and ruff

.github/workflows/pre-commit.yml

@@ -0,0 +1,29 @@
+name: Pre-commit Check
+
+on: pull_request
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - name: Get changed files
+        id: changed-files
+        run: |
+          echo "files=$(git diff --name-only origin/main...HEAD | tr '\n' ' ')" >> $GITHUB_OUTPUT
+
+      - name: Run pre-commit
+        continue-on-error: true
+        run: |
+          pre-commit run --files ${{ steps.changed-files.outputs.files }}

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+repos:
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  # Ruff version.
+  rev: v0.8.4
+  hooks:
+    # Run the linter.
+    - id: ruff
+      args: [ --fix ]
+    # Run the formatter.
+    - id: ruff-format

bin/check_celery_worker_liveness.py

@@ -59,4 +59,4 @@
     sys.exit(1)
 
 print("Celery worker heartbeat found: OK.")
-sys.exit(0)
+sys.exit(0)

bootstrap.py

@@ -13,26 +13,36 @@
 Set up my development environment for me!
 """
 
-project_name = 'open_inwoner'
+project_name = "open_inwoner"
 
 parser = argparse.ArgumentParser(description=description)
-parser.add_argument('target', choices=['production', 'staging', 'test', 'jenkins', 'dev'],
-                    help='production/staging/test/jenkins/dev')
-parser.add_argument('--project', default=project_name,
-                    help='Name of the project in your src directory, "%s" by default' % project_name)
-parser.add_argument('--init', action='store_true',
-                    help='Initialize a fresh "startproject" by pinning the requirements using pip-tools compile. '
-                         'Automatically done if requirements/base.txt does not yet exist.')
-parser.add_argument('--env', default='env',
-                    help='Directory name for virtualenv, "env" by default')
+parser.add_argument(
+    "target",
+    choices=["production", "staging", "test", "jenkins", "dev"],
+    help="production/staging/test/jenkins/dev",
+)
+parser.add_argument(
+    "--project",
+    default=project_name,
+    help='Name of the project in your src directory, "%s" by default' % project_name,
+)
+parser.add_argument(
+    "--init",
+    action="store_true",
+    help='Initialize a fresh "startproject" by pinning the requirements using pip-tools compile. '
+    "Automatically done if requirements/base.txt does not yet exist.",
+)
+parser.add_argument(
+    "--env", default="env", help='Directory name for virtualenv, "env" by default'
+)
 
 args = parser.parse_args()
 
 
 def replace_or_append(file_path, search_val, replace_val):
     file_handle, abs_path = mkstemp()
-    new_file = open(abs_path, 'w')
-    old_file = open(file_path, 'r')
+    new_file = open(abs_path, "w")
+    old_file = open(file_path)
     found = False
     for line in old_file:
         if line.startswith(search_val):
@@ -51,89 +61,107 @@ def replace_or_append(file_path, search_val, replace_val):
 
 
 def replace_wsgi_settings(target):
-    path = os.path.join('src', project_name, 'wsgi.py')
+    path = os.path.join("src", project_name, "wsgi.py")
     replace_or_append(
-        path, 'os.environ.setdefault',
-        'os.environ.setdefault("DJANGO_SETTINGS_MODULE", "%s.conf.%s")\n' % (project_name, target)
+        path,
+        "os.environ.setdefault",
+        'os.environ.setdefault("DJANGO_SETTINGS_MODULE", "%s.conf.%s")\n'
+        % (project_name, target),
     )
 
 
 def replace_manage_settings(target):
-    path = os.path.join('src', project_name, 'manage.py')
+    path = os.path.join("src", project_name, "manage.py")
     replace_or_append(
-        path, '    os.environ.setdefault',
-        '    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "%s.conf.%s")\n' % (project_name, target)
+        path,
+        "    os.environ.setdefault",
+        '    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "%s.conf.%s")\n'
+        % (project_name, target),
     )
 
 
 def append_settings_activate(project, target, env):
-    if os.name == 'posix':
-        path = '%s/bin/activate' % env
-        replace_or_append(path, 'export DJANGO_SETTINGS_MODULE=',
-                          'export DJANGO_SETTINGS_MODULE=\'%s.conf.%s\'\n' %
-                          (project, target))
-    elif os.name == 'nt':
-        path = '%s\\Scripts\\activate.bat' % env
-        replace_or_append(path, 'set DJANGO_SETTINGS_MODULE=',
-                          'set DJANGO_SETTINGS_MODULE=%s.conf.%s\n' %
-                          (project, target))
-        path = '%s\\Scripts\\deactivate.bat' % env
-        replace_or_append(path, 'set DJANGO_SETTINGS_MODULE=',
-                          'set DJANGO_SETTINGS_MODULE=\n')
+    if os.name == "posix":
+        path = "%s/bin/activate" % env
+        replace_or_append(
+            path,
+            "export DJANGO_SETTINGS_MODULE=",
+            "export DJANGO_SETTINGS_MODULE='%s.conf.%s'\n" % (project, target),
+        )
+    elif os.name == "nt":
+        path = "%s\\Scripts\\activate.bat" % env
+        replace_or_append(
+            path,
+            "set DJANGO_SETTINGS_MODULE=",
+            "set DJANGO_SETTINGS_MODULE=%s.conf.%s\n" % (project, target),
+        )
+        path = "%s\\Scripts\\deactivate.bat" % env
+        replace_or_append(
+            path, "set DJANGO_SETTINGS_MODULE=", "set DJANGO_SETTINGS_MODULE=\n"
+        )
 
 
 def pip_compile_pin_requirements(virtualenv):
-    print('\n== Compiling base requirements ==\n')
-    if os.name == 'posix':
-        pip_path = os.path.join(virtualenv, 'bin', 'pip')
-    elif os.name == 'nt':
-        pip_path = os.path.join(virtualenv, 'Scripts', 'pip')
-    cmd_tpl = '{pip} install pip-tools'.format(pip=pip_path)
+    print("\n== Compiling base requirements ==\n")
+    if os.name == "posix":
+        pip_path = os.path.join(virtualenv, "bin", "pip")
+    elif os.name == "nt":
+        pip_path = os.path.join(virtualenv, "Scripts", "pip")
+    cmd_tpl = f"{pip_path} install pip-tools"
     call(cmd_tpl, shell=True)
-    print('Error: Run `. env/bin/activate && ./bin/compile_dependencies.sh` to ensure you have requirements/base.txt and requirements/dev.txt')
-    print('After that rerun bootstrap.py')
+    print(
+        "Error: Run `. env/bin/activate && ./bin/compile_dependencies.sh` to ensure you have requirements/base.txt and requirements/dev.txt"
+    )
+    print("After that rerun bootstrap.py")
     sys.exit(1)
 
+
 def main():
     virtualenv = args.env
-    if not hasattr(sys, 'real_prefix'):
-        print('\n== Creating virtual environment ==\n')
-        call('virtualenv {0} --python=python3 --prompt="({1}-{2}) "'.format(
-            virtualenv, args.project, args.target
-        ), shell=True)
-    print('\n== Set "%s.conf.%s" as default settings ==\n' % (args.project, args.target))
+    if not hasattr(sys, "real_prefix"):
+        print("\n== Creating virtual environment ==\n")
+        call(
+            f'virtualenv {virtualenv} --python=python3 --prompt="({args.project}-{args.target}) "',
+            shell=True,
+        )
+    print(
+        '\n== Set "%s.conf.%s" as default settings ==\n' % (args.project, args.target)
+    )
     append_settings_activate(args.project, args.target, args.env)
 
-    if os.name == 'posix':
+    if os.name == "posix":
         # Make manage.py executable
-        st = os.stat('src/manage.py')
-        os.chmod('src/manage.py', st.st_mode | stat.S_IEXEC)
-        django_admin_symlink = os.path.join(virtualenv, 'bin', 'django')
+        st = os.stat("src/manage.py")
+        os.chmod("src/manage.py", st.st_mode | stat.S_IEXEC)
+        django_admin_symlink = os.path.join(virtualenv, "bin", "django")
         if not os.path.exists(django_admin_symlink):
-            os.symlink('../../src/manage.py', django_admin_symlink)
-
-    print('\n== Upgrading Pip ==\n')
-    if os.name == 'posix':
-        pip_path = os.path.join(virtualenv, 'bin', 'pip')
-    elif os.name == 'nt':
-        pip_path = os.path.join(virtualenv, 'Scripts', 'pip')
-    cmd_tpl = '{pip} install --upgrade pip'.format(pip=pip_path)
+            os.symlink("../../src/manage.py", django_admin_symlink)
+
+    print("\n== Upgrading Pip ==\n")
+    if os.name == "posix":
+        pip_path = os.path.join(virtualenv, "bin", "pip")
+    elif os.name == "nt":
+        pip_path = os.path.join(virtualenv, "Scripts", "pip")
+    cmd_tpl = f"{pip_path} install --upgrade pip"
     call(cmd_tpl, shell=True)
 
-    if args.init \
-       or not os.path.exists(os.path.join('requirements', 'base.txt')) \
-       or not os.path.exists(os.path.join('requirements', 'dev.txt')):
+    if (
+        args.init
+        or not os.path.exists(os.path.join("requirements", "base.txt"))
+        or not os.path.exists(os.path.join("requirements", "dev.txt"))
+    ):
         pip_compile_pin_requirements(virtualenv)
 
-    print('\n== Installing %s requirements ==\n' % args.target)
-    if os.name == 'posix':
-        os.environ['TMPDIR'] = '/var/tmp/'
-        pip_path = os.path.join(virtualenv, 'bin', 'pip')
-        cmd_tpl = '{pip} install -r requirements/{target}.txt'
-    elif os.name == 'nt':
-        pip_path = os.path.join(virtualenv, 'Scripts', 'pip')
-        cmd_tpl = '{pip} install -r requirements\\{target}.txt'
+    print("\n== Installing %s requirements ==\n" % args.target)
+    if os.name == "posix":
+        os.environ["TMPDIR"] = "/var/tmp/"
+        pip_path = os.path.join(virtualenv, "bin", "pip")
+        cmd_tpl = "{pip} install -r requirements/{target}.txt"
+    elif os.name == "nt":
+        pip_path = os.path.join(virtualenv, "Scripts", "pip")
+        cmd_tpl = "{pip} install -r requirements\\{target}.txt"
     return call(cmd_tpl.format(pip=pip_path, target=args.target), shell=True)
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     sys.exit(main())

ruff.toml

@@ -0,0 +1,88 @@
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".ipynb_checkpoints",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pyenv",
+    ".pytest_cache",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    ".vscode",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "site-packages",
+    "venv",
+]
+
+# Same as Black.
+line-length = 88
+indent-width = 4
+
+# Assume Python 3.11
+target-version = "py311"
+
+[lint]
+# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
+# Unlike Flake8, Ruff doesn't enable pycodestyle warnings (`W`) or
+# McCabe complexity (`C901`) by default.
+select = [
+    # https://docs.astral.sh/ruff/rules/#flake8-bugbear-b
+    "B",
+    "E",
+    "F",
+    "S",
+    "I",
+    "BLE",
+    "C90",
+    "S106",
+    "UP",
+]
+ignore = ["E501"]
+
+# Allow fix for all enabled rules (when `--fix`) is provided.
+fixable = ["ALL"]
+unfixable = []
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+[format]
+# Like Black, use double quotes for strings.
+quote-style = "double"
+
+# Like Black, indent with spaces, rather than tabs.
+indent-style = "space"
+
+# Like Black, respect magic trailing commas.
+skip-magic-trailing-comma = false
+
+# Like Black, automatically detect the appropriate line ending.
+line-ending = "auto"
+
+# Enable auto-formatting of code examples in docstrings. Markdown,
+# reStructuredText code/literal blocks and doctests are all supported.
+#
+# This is currently disabled by default, but it is planned for this
+# to be opt-out in the future.
+docstring-code-format = false
+
+# Set the line length limit used when formatting code snippets in
+# docstrings.
+#
+# This only has an effect when the `docstring-code-format` setting is
+# enabled.
+docstring-code-line-length = "dynamic"

src/custom_migrations/migrations/0001_delete_old_celery_tasks.py

@@ -21,7 +21,6 @@ def delete_old_celery_tasks(apps, _):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [("django_celery_beat", "0018_improve_crontab_helptext")]
 
     operations = [

src/eherkenning/backends.py

@@ -1,8 +1,7 @@
-from django.contrib.auth import get_user_model
-
 from digid_eherkenning.backends import eHerkenningBackend as _eHerkenningBackend
 from digid_eherkenning.exceptions import eHerkenningError
 from digid_eherkenning.utils import get_client_ip
+from django.contrib.auth import get_user_model
 
 from open_inwoner.kvk.branches import KVK_BRANCH_SESSION_VARIABLE
 

src/eherkenning/mock/backends.py

@@ -1,10 +1,9 @@
 import logging
 import re
 
-from django.contrib.auth import get_user_model
-
 from digid_eherkenning.backends import BaseBackend
 from digid_eherkenning.utils import get_client_ip
+from django.contrib.auth import get_user_model
 
 logger = logging.getLogger(__name__)
 
@@ -19,7 +18,7 @@ class eHerkenningBackend(BaseBackend):
             "eherkenning_no_kvk": "Login failed due to no KvK being returned by eHerkenning.",
             "eherkenning_len_kvk": "Login failed due to no KvK having more then 8 digits.",
             "eherkenning_num_kvk": "Login failed due to no KvK not being numerical.",
-        }
+        },
     )
 
     def get_or_create_user(self, request, kvk):