Minor tweaks to docs configuration, and update reqs for it.

docs/conf.py

@@ -1,17 +1,14 @@
-from pathlib import Path
 import importlib.metadata
 import re
 
 from yarl import URL
 
-DOCS = Path(__file__).parent
-
 GITHUB = URL("https://github.com/")
 HOMEPAGE = GITHUB / "python-jsonschema/referencing"
 
 project = "referencing"
 author = "Julian Berman"
-copyright = "2022, " + author
+copyright = f"2022, {author}"
 
 release = importlib.metadata.version("referencing")
 version = release.partition("-")[0]
@@ -28,10 +25,12 @@
     "sphinx.ext.intersphinx",
     "sphinx.ext.napoleon",
     "sphinx.ext.todo",
+    "sphinx.ext.viewcode",
     "sphinx_click",
     "sphinx_copybutton",
     "sphinx_json_schema_spec",
     "sphinxcontrib.spelling",
+    "sphinxext.opengraph",
 ]
 
 pygments_style = "lovelace"
@@ -73,20 +72,31 @@ def setup(app):
     app.connect("missing-reference", _resolve_broken_refs)
 
 
-# -- Extension configuration -------------------------------------------------
+def entire_domain(host):
+    return r"http.?://" + re.escape(host) + r"($|/.*)"
+
+
+linkcheck_ignore = [
+    entire_domain("img.shields.io"),
+    f"{GITHUB}.*#.*",
+    str(HOMEPAGE / "actions"),
+    str(HOMEPAGE / "workflows/CI/badge.svg"),
+]
+
+# = Extensions =
 
-# -- Options for autodoc extension -------------------------------------------
+# -- autodoc --
 
 autodoc_default_options = {
     "members": True,
     "member-order": "bysource",
 }
 
-# -- Options for autosectionlabel extension ----------------------------------
+# -- autosectionlabel --
 
 autosectionlabel_prefix_document = True
 
-# -- Options for intersphinx extension ---------------------------------------
+# -- intersphinx --
 
 intersphinx_mapping = {
     "hatch": ("https://hatch.pypa.io/latest/", None),
@@ -98,7 +108,7 @@ def setup(app):
     "setuptools": ("https://setuptools.pypa.io/en/latest/", None),
 }
 
-# -- Options for extlinks extension ------------------------------------------
+# -- extlinks --
 
 extlinks = {
     "gh": (str(HOMEPAGE) + "/%s", None),
@@ -107,21 +117,7 @@ def setup(app):
     "httpx": ("https://www.python-httpx.org/%s", None),
 }
 
-# -- Options for the linkcheck builder ---------------------------------------
-
-
-def entire_domain(host):
-    return r"http.?://" + re.escape(host) + r"($|/.*)"
-
-
-linkcheck_ignore = [
-    entire_domain("codecov.io"),
-    entire_domain("img.shields.io"),
-    f"{GITHUB}.*#.*",
-    str(HOMEPAGE / "actions"),
-    str(HOMEPAGE / "python-jsonschema/workflows/CI/badge.svg"),
-]
-
-# -- Options for spelling extension ------------------------------------------
+# -- sphinxcontrib-spelling --
 
+spelling_word_list_filename = "spelling-wordlist.txt"
 spelling_show_suggestions = True

docs/requirements.in

@@ -6,4 +6,5 @@ sphinx-copybutton
 sphinx-json-schema-spec
 sphinx>5
 sphinxcontrib-spelling>5
+sphinxext-opengraph
 yarl

docs/requirements.txt

@@ -18,10 +18,16 @@ charset-normalizer==3.1.0
     # via requests
 click==8.1.3
     # via sphinx-click
+contourpy==1.0.7
+    # via matplotlib
+cycler==0.11.0
+    # via matplotlib
 docutils==0.19
     # via
     #   sphinx
     #   sphinx-click
+fonttools==4.39.2
+    # via matplotlib
 furo==2022.12.7
     # via -r docs/requirements.in
 idna==3.4
@@ -32,14 +38,26 @@ imagesize==1.4.1
     # via sphinx
 jinja2==3.1.2
     # via sphinx
+kiwisolver==1.4.4
+    # via matplotlib
 lxml==4.9.2
     # via sphinx-json-schema-spec
 markupsafe==2.1.2
     # via jinja2
+matplotlib==3.7.1
+    # via sphinxext-opengraph
 multidict==6.0.4
     # via yarl
+numpy==1.24.2
+    # via
+    #   contourpy
+    #   matplotlib
 packaging==23.0
-    # via sphinx
+    # via
+    #   matplotlib
+    #   sphinx
+pillow==9.4.0
+    # via matplotlib
 pyenchant==3.2.2
     # via sphinxcontrib-spelling
 pygments==2.14.0
@@ -49,12 +67,18 @@ pygments==2.14.0
     #   sphinx
 pygments-github-lexers==0.0.5
     # via -r docs/requirements.in
+pyparsing==3.0.9
+    # via matplotlib
+python-dateutil==2.8.2
+    # via matplotlib
 file:.#egg=referencing
     # via -r docs/requirements.in
 requests==2.28.2
     # via sphinx
-rpds-py==0.7.0
+rpds-py==0.7.1
     # via referencing
+six==1.16.0
+    # via python-dateutil
 snowballstemmer==2.2.0
     # via sphinx
 soupsieve==2.4
@@ -68,6 +92,7 @@ sphinx==6.1.3
     #   sphinx-copybutton
     #   sphinx-json-schema-spec
     #   sphinxcontrib-spelling
+    #   sphinxext-opengraph
 sphinx-basic-ng==1.0.0b1
     # via furo
 sphinx-click==4.4.0
@@ -90,6 +115,8 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 sphinxcontrib-spelling==8.0.0
     # via -r docs/requirements.in
+sphinxext-opengraph==0.8.1
+    # via -r docs/requirements.in
 urllib3==1.26.15
     # via requests
 yarl==1.8.2

test-requirements.txt

@@ -23,5 +23,5 @@ pytest-subtests==0.10.0
     # via -r test-requirements.in
 file:.#egg=referencing
     # via -r test-requirements.in
-rpds-py==0.7.0
+rpds-py==0.7.1
     # via referencing