fix _Opt deprecation warning (#236)

* fix _Opt deprecation warning

closes #234

* build(deps): docs

* ci(docs): build on Python 3.12

.circleci/config.yml

@@ -49,7 +49,7 @@ jobs:
           version: py312
   docs:
     docker:
-      - image: 'cimg/python:3.11'
+      - image: 'cimg/python:3.12'
     steps:
       - checkout
       - run: pip install --user tox

docs/requirements.txt

@@ -1,88 +1,75 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.12
+# by the following command:
 #
 #    pip-compile --extra=doc --output-file=docs/requirements.txt pyproject.toml
 #
-alabaster==0.7.13
+alabaster==0.7.16
     # via sphinx
-anyascii==0.3.2
+astroid==3.2.2
     # via sphinx-autoapi
-astroid==2.15.6
-    # via sphinx-autoapi
-babel==2.12.1
+babel==2.15.0
     # via sphinx
-certifi==2023.7.22
+certifi==2024.2.2
     # via requests
-charset-normalizer==3.2.0
+charset-normalizer==3.3.2
     # via requests
-docutils==0.18.1
+docutils==0.20.1
     # via
     #   sphinx
     #   sphinx-rtd-theme
     #   sphinx-tabs
-idna==3.4
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.2
+jinja2==3.1.4
     # via
     #   sphinx
     #   sphinx-autoapi
-lazy-object-proxy==1.9.0
-    # via astroid
-markupsafe==2.1.3
+markupsafe==2.1.5
     # via jinja2
-packaging==23.1
+packaging==24.0
     # via sphinx
-pygments==2.16.1
+pygments==2.18.0
     # via
     #   sphinx
     #   sphinx-tabs
 pyyaml==6.0.1
     # via sphinx-autoapi
-requests==2.31.0
+requests==2.32.2
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.2.3
+sphinx==7.3.7
     # via
     #   sphinx-autoapi
     #   sphinx-notfound-page (pyproject.toml)
     #   sphinx-rtd-theme
     #   sphinx-tabs
-    #   sphinxcontrib-applehelp
-    #   sphinxcontrib-devhelp
-    #   sphinxcontrib-htmlhelp
     #   sphinxcontrib-jquery
-    #   sphinxcontrib-qthelp
-    #   sphinxcontrib-serializinghtml
     #   sphinxemoji
-sphinx-autoapi==2.1.1
+sphinx-autoapi==3.1.1
     # via sphinx-notfound-page (pyproject.toml)
-sphinx-rtd-theme==1.3.0
+sphinx-rtd-theme==2.0.0
     # via sphinx-notfound-page (pyproject.toml)
-sphinx-tabs==3.4.1
+sphinx-tabs==3.4.5
     # via sphinx-notfound-page (pyproject.toml)
-sphinxcontrib-applehelp==1.0.7
+sphinxcontrib-applehelp==1.0.8
     # via sphinx
-sphinxcontrib-devhelp==1.0.5
+sphinxcontrib-devhelp==1.0.6
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.4
+sphinxcontrib-htmlhelp==2.0.5
     # via sphinx
 sphinxcontrib-jquery==4.1
     # via sphinx-rtd-theme
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.6
+sphinxcontrib-qthelp==1.0.7
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.9
+sphinxcontrib-serializinghtml==1.1.10
     # via sphinx
-sphinxemoji==0.2.0
+sphinxemoji==0.3.1
     # via sphinx-notfound-page (pyproject.toml)
-typing-extensions==4.7.1
-    # via astroid
-urllib3==2.0.4
+urllib3==2.2.1
     # via requests
-wrapt==1.15.0
-    # via astroid

notfound/extension.py

@@ -1,8 +1,8 @@
 import html
-import docutils.nodes
 import os
 import warnings
 
+import docutils.nodes
 import sphinx
 from sphinx.environment.collectors import EnvironmentCollector
 from sphinx.errors import ExtensionError
@@ -13,7 +13,6 @@
 
 class BaseURIError(ExtensionError):
     """Exception for malformed base URI."""
-    pass
 
 
 # https://www.sphinx-doc.org/en/stable/extdev/appapi.html#event-html-collect-pages
@@ -167,7 +166,11 @@ def toctree(*args, **kwargs):
         # We have to overwrite them here to use our own `pathto` function.
         # The code is borrowed exactly from Sphinx 7.2.2, there is no changes.
         if sphinx.version_info >= (7, 2):
-            from sphinx.builders.html._assets import _CascadingStyleSheet, _file_checksum, _JavaScript
+            from sphinx.builders.html._assets import (
+                _CascadingStyleSheet,
+                _file_checksum,
+                _JavaScript,
+            )
 
             outdir = app.outdir
 
@@ -266,14 +269,22 @@ def validate_configs(app, *args, **kwargs):
 
     Shows a warning if one of the configs is not valid.
     """
-    default, rebuild, types = app.config.values.get('notfound_urls_prefix')
-    if app.config.notfound_urls_prefix != default:
-        if app.config.notfound_urls_prefix and not all([
-                app.config.notfound_urls_prefix.startswith('/'),
-                app.config.notfound_urls_prefix.endswith('/'),
-        ]):
-            message = 'notfound_urls_prefix should start and end with "/" (slash)'
-            warnings.warn(message, UserWarning, stacklevel=2)
+    notfound_urls_prefix = app.config.notfound_urls_prefix
+    default = (
+        app.config.values.get("notfound_urls_prefix").default
+        if sphinx.version_info >= (7, 2)
+        else app.config.values.get("notfound_urls_prefix")[0]
+    )
+
+    if (
+        notfound_urls_prefix != default
+        and notfound_urls_prefix
+        and not (
+            notfound_urls_prefix.startswith("/") or notfound_urls_prefix.endswith("/")
+        )
+    ):
+        message = 'notfound_urls_prefix should start and end with "/" (slash)'
+        warnings.warn(message, UserWarning, stacklevel=2)
 
 
 def setup(app):