Update ruff config and typing (#7145)

.pre-commit-config.yaml

@@ -50,7 +50,7 @@ repos:
         files: "^notebook"
         stages: [manual]
         args: ["--install-types", "--non-interactive"]
-        additional_dependencies: ["traitlets>=5.13", "tornado", "jupyter_server>=2.9", "jupyterlab_server>=2.25", "jupyterlab>=4.0"]
+        additional_dependencies: ["traitlets>=5.13", "tornado", "jupyter_server>=2.10", "jupyterlab_server>=2.25", "jupyterlab>=4.0"]
 
   - repo: https://github.com/pre-commit/pygrep-hooks
     rev: 'v1.10.0'
@@ -60,11 +60,15 @@ repos:
       - id: rst-inline-touching-normal
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.4
+    rev: v0.1.5
     hooks:
       - id: ruff
+        types_or: [ python, jupyter ]
+        exclude: '^docs/source/examples/Notebook/Importing Notebooks.ipynb'
         args: ['--fix', '--show-fixes']
       - id: ruff-format
+        types_or: [ python, jupyter ]
+        exclude: '^docs/source/examples/Notebook/Importing Notebooks.ipynb'
 
   - repo: https://github.com/scientific-python/cookie
     rev: '2023.10.27'

binder/example.ipynb

@@ -235,7 +235,7 @@
     "\\nabla \\times \\vec{\\mathbf{B}} -\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{E}}}{\\partial t} & = \\frac{4\\pi}{c}\\vec{\\mathbf{j}} \\\\\n",
     "\\nabla \\cdot \\vec{\\mathbf{E}} & = 4 \\pi \\rho \\\\\n",
     "\\nabla \\times \\vec{\\mathbf{E}}\\, +\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{B}}}{\\partial t} & = \\vec{\\mathbf{0}} \\\\\n",
-    "\\nabla \\cdot \\vec{\\mathbf{B}} & = 0 \n",
+    "\\nabla \\cdot \\vec{\\mathbf{B}} & = 0\n",
     "\\end{eqnarray}\"\"\"\n",
     ")"
    ]
@@ -277,8 +277,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from IPython.display import HTML\n",
-    "from IPython.display import display\n",
+    "from IPython.display import HTML, display\n",
     "\n",
     "s = \"\"\"<table>\n",
     "<tr>\n",

docs/source/examples/Notebook/Running Code.ipynb

@@ -124,7 +124,6 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "from ctypes import CDLL\n",
     "\n",
     "# This will crash a Linux or Mac system\n",
     "# equivalent calls can be made on Windows\n",
@@ -225,9 +224,7 @@
     }
    ],
    "source": [
-    "from __future__ import print_function\n",
-    "\n",
-    "print('hi, stderr', file=sys.stderr)"
+    "print(\"hi, stderr\", file=sys.stderr)"
    ]
   },
   {
@@ -270,7 +267,8 @@
     }
    ],
    "source": [
-    "import time, sys\n",
+    "import sys\n",
+    "import time\n",
     "\n",
     "for i in range(8):\n",
     "    print(i)\n",

notebook/app.py

@@ -301,6 +301,8 @@ def _prepare_templates(self) -> None:
 
     def server_extension_is_enabled(self, extension: str) -> bool:
         """Check if server extension is enabled."""
+        if self.serverapp is None:
+            return False
         try:
             extension_enabled = (
                 self.serverapp.extension_manager.extensions[extension].enabled is True
@@ -311,6 +313,7 @@ def server_extension_is_enabled(self, extension: str) -> bool:
 
     def initialize_handlers(self) -> None:
         """Initialize handlers."""
+        assert self.serverapp is not None  # noqa: S101
         page_config = self.serverapp.web_app.settings.setdefault("page_config_data", {})
         nbclassic_enabled = self.server_extension_is_enabled("nbclassic")
         page_config["nbclassic_enabled"] = nbclassic_enabled

pyproject.toml

@@ -138,7 +138,10 @@ nowarn = "test -W default {args}"
 detached = true
 dependencies = ["pre-commit"]
 [tool.hatch.envs.lint.scripts]
-build = "pre-commit run --all-files ruff"
+build = [
+    "pre-commit run --all-files ruff",
+    "pre-commit run --all-files ruff-format"
+]
 
 [tool.hatch.envs.typing]
 dependencies = [ "pre-commit"]
@@ -233,7 +236,6 @@ enable_error_code = ["ignore-without-code", "redundant-expr", "truthy-bool"]
 warn_unreachable = true
 
 [tool.ruff]
-target-version = "py38"
 line-length = 100
 
 [tool.ruff.lint]
@@ -260,6 +262,7 @@ ignore = [
 "tests/*" = ["S101", "F841", "PLR2004"]
 # undefined name 'c'
 "ui-tests/test/jupyter_server_config.py" = ["F821"]
+"*.ipynb" = ["E402", "B018", "E501", "T201"]
 
 [tool.interrogate]
 ignore-init-module=true

ui-tests/test/notebooks/autoscroll.ipynb

@@ -6,15 +6,19 @@
    "id": "6f7028b9-4d2c-4fa2-96ee-bfa77bbee434",
    "metadata": {},
    "outputs": [],
-   "source": ["print('1\\n' * 200)"]
+   "source": [
+    "print(\"1\\n\" * 200)"
+   ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
    "id": "6f7028b9-4d2c-4fa2-96ee-bfa77bbee434",
    "metadata": {},
    "outputs": [],
-   "source": ["print('1\\n' * 20)"]
+   "source": [
+    "print(\"1\\n\" * 20)"
+   ]
   }
  ],
  "metadata": {