Enable Ruff linters

.ruff.toml

@@ -8,21 +8,21 @@ docstring-code-format = true
 
 [lint]
 select = [
-#    "C4",    # flake8-comprehensions
-#    "B",     # flake8-bugbear
+    "C4",    # flake8-comprehensions
+    "B",     # flake8-bugbear
     "E",     # pycodestyle
-#    "F",     # pyflakes
+    "F",     # pyflakes
     "FA",    # flake8-future-annotations
     "FLY",   # flynt
     "FURB",  # refurb
-#    "G",     # flake8-logging-format
+    "G",     # flake8-logging-format
     "I",     # isort
     "LOG",   # flake8-logging
     "PERF",  # perflint
-#    "PGH",   # pygrep-hooks
-#    "PT",    # flake8-pytest-style
-#    "TC",    # flake8-type-checking
-#    "UP",    # pyupgrade
+    "PGH",   # pygrep-hooks
+    "PT",    # flake8-pytest-style
+    "TC",    # flake8-type-checking
+    "UP",    # pyupgrade
     "W",     # pycodestyle
 ]
 ignore = [

docs/script/generate_social_card_previews.py

@@ -18,17 +18,17 @@
     render_social_card,
 )
 
-here = Path(__file__).parent
+PROJECT_ROOT = Path(__file__).resolve().parent.parent.parent
 
 # Dummy lorem text
 lorem = """
 Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum
-""".split()  # noqa
+""".split()
 
-kwargs_fig = dict(
-    image=here / "../source/_static/og-logo.png",
-    image_mini=here / "../../sphinxext/opengraph/_static/sphinx-logo-shadow.png",
-)
+kwargs_fig = {
+    "image": PROJECT_ROOT / "docs/source/_static/og-logo.png",
+    "image_mini": PROJECT_ROOT / "sphinxext/opengraph/_static/sphinx-logo-shadow.png",
+}
 
 print("Generating previews of social media cards...")
 plt_objects = None
@@ -43,7 +43,7 @@
     desc = " ".join(lorem[:100])
     desc = desc[: MAX_CHAR_DESCRIPTION - 3] + "..."
 
-    path_tmp = Path(here / "../tmp")
+    path_tmp = Path(PROJECT_ROOT / "docs/tmp")
     path_tmp.mkdir(exist_ok=True)
     path_out = Path(path_tmp / f"num_{perm}.png")
 
@@ -57,7 +57,7 @@
         kwargs_fig=kwargs_fig,
     )
 
-    path_examples_page_folder = here / ".."
+    path_examples_page_folder = PROJECT_ROOT / "docs"
     embed_text.append(
         dedent(
             f"""
@@ -79,6 +79,6 @@
 """
 
 # Write markdown text that we can use to embed these images in the docs
-(here / "../tmp/embed.txt").write_text(embed_text)
+(PROJECT_ROOT / "docs/tmp/embed.txt").write_text(embed_text)
 
 print("Done generating previews of social media cards...")

sphinxext/opengraph/__init__.py

@@ -2,27 +2,29 @@
 
 import os
 from pathlib import Path
-from typing import Any, Dict
+from typing import TYPE_CHECKING
 from urllib.parse import urljoin, urlparse, urlsplit, urlunparse
 
 import docutils.nodes as nodes
-from sphinx.application import Sphinx
 
 from sphinxext.opengraph.descriptionparser import get_description
 from sphinxext.opengraph.metaparser import get_meta_description
 from sphinxext.opengraph.titleparser import get_title
 
+if TYPE_CHECKING:
+    from typing import Any
+
+    from sphinx.application import Sphinx
+
 try:
-    import matplotlib
-except ImportError:
-    print("matplotlib is not installed, social cards will not be generated")
-    create_social_card = None
-    DEFAULT_SOCIAL_CONFIG = {}
-else:
     from sphinxext.opengraph.socialcards import (
         DEFAULT_SOCIAL_CONFIG,
         create_social_card,
     )
+except ImportError:
+    print("matplotlib is not installed, social cards will not be generated")
+    create_social_card = None
+    DEFAULT_SOCIAL_CONFIG = {}
 
 __version__ = "0.9.1"
 version_info = (0, 9, 1)
@@ -54,9 +56,9 @@ def make_tag(property: str, content: str, type_: str = "property") -> str:
 
 def get_tags(
     app: Sphinx,
-    context: Dict[str, Any],
+    context: dict[str, Any],
     doctree: nodes.document,
-    config: Dict[str, Any],
+    config: dict[str, Any],
 ) -> str:
     # Get field lists for per-page overrides
     fields = context["meta"]
@@ -268,14 +270,14 @@ def html_page_context(
     app: Sphinx,
     pagename: str,
     templatename: str,
-    context: Dict[str, Any],
+    context: dict[str, Any],
     doctree: nodes.document,
 ) -> None:
     if doctree:
         context["metatags"] += get_tags(app, context, doctree, app.config)
 
 
-def setup(app: Sphinx) -> Dict[str, Any]:
+def setup(app: Sphinx) -> dict[str, Any]:
     # ogp_site_url="" allows relative by default, even though it's not
     # officially supported by OGP.
     app.add_config_value("ogp_site_url", "", "html")

sphinxext/opengraph/descriptionparser.py

@@ -1,10 +1,13 @@
 from __future__ import annotations
 
 import string
-from collections.abc import Set
+from typing import TYPE_CHECKING
 
 import docutils.nodes as nodes
 
+if TYPE_CHECKING:
+    from collections.abc import Set
+
 
 class DescriptionParser(nodes.NodeVisitor):
     """

sphinxext/opengraph/socialcards.py

@@ -57,7 +57,7 @@ def create_social_card(
     """
 
     # Add a hash to the image path based on metadata to bust caches
-    # ref: https://developer.twitter.com/en/docs/twitter-for-websites/cards/guides/troubleshooting-cards#refreshing_images  # noqa
+    # ref: https://developer.twitter.com/en/docs/twitter-for-websites/cards/guides/troubleshooting-cards#refreshing_images
     hash = hashlib.sha1(
         (site_name + page_title + description + str(config_social)).encode()
     ).hexdigest()[:8]
@@ -104,12 +104,12 @@ def create_social_card(
 
         # If image is an SVG replace it with None
         if impath.suffix.lower() == ".svg":
-            LOGGER.warning(f"[Social card] %s cannot be an SVG image, skipping...", img)
+            LOGGER.warning("[Social card] %s cannot be an SVG image, skipping...", img)
             kwargs_fig[img] = None
 
         # If image doesn't exist, throw a warning and replace with none
         if not impath.exists():
-            LOGGER.warning(f"[Social card]: %s file doesn't exist, skipping...", img)
+            LOGGER.warning("[Social card]: %s file doesn't exist, skipping...", img)
             kwargs_fig[img] = None
 
     # These are passed directly from the user configuration to our plotting function

tests/conftest.py

@@ -19,10 +19,10 @@ def rootdir():
         return path(__file__).parent.abspath() / "roots"
 
 
-@pytest.fixture()
+@pytest.fixture
 def content(app):
     app.build(force_all=True)
-    yield app
+    return app
 
 
 def _meta_tags(content, subdir=None):
@@ -39,19 +39,19 @@ def _og_meta_tags(content):
     ]
 
 
-@pytest.fixture()
+@pytest.fixture
 def meta_tags(content):
     return _meta_tags(content)
 
 
-@pytest.fixture()
+@pytest.fixture
 def og_meta_tags(content):
     return [
         tag for tag in _meta_tags(content) if tag.get("property", "").startswith("og:")
     ]
 
 
-@pytest.fixture()
+@pytest.fixture
 def og_meta_tags_sub(content):
     return [
         tag

tests/test_options.py

@@ -1,8 +1,13 @@
 from __future__ import annotations
 
+from typing import TYPE_CHECKING
+
 import conftest
 import pytest
-from sphinx.application import Sphinx
+from sphinx.errors import ExtensionError
+
+if TYPE_CHECKING:
+    from sphinx.application import Sphinx
 
 
 def get_tag(tags, tag_type, kind="property", prefix="og"):
@@ -315,7 +320,7 @@ def test_rtd_invalid(app: Sphinx, monkeypatch):
     monkeypatch.setenv("READTHEDOCS", "True")
     app.config.html_baseurl = None
 
-    with pytest.raises(Exception):
+    with pytest.raises(ExtensionError, match="did not provide a valid canonical URL"):
         app.build()