add l2m4m extension for math rendering

blag/markdown.py

@@ -13,6 +13,8 @@
 from markdown import Markdown
 from markdown.extensions import Extension
 from markdown.treeprocessors import Treeprocessor
+from l2m4m import LaTeX2MathMLExtension
+
 
 logger = logging.getLogger(__name__)
 
@@ -35,6 +37,7 @@ def markdown_factory() -> Markdown:
             "codehilite",
             "smarty",
             MarkdownLinkExtension(),
+            LaTeX2MathMLExtension(),
         ],
         output_format="html",
     )

pyproject.toml

@@ -18,6 +18,7 @@ dependencies = [
     "jinja2",
     "markdown",
     "pygments",
+    "l2m4m",
 ]
 
 [project.scripts]

tests/test_markdown.py

@@ -111,3 +111,17 @@ def test_smarty_code() -> None:
     assert "mdash" not in html
     assert "ndash" not in html
     assert "hellip" not in html
+
+def test_l2m4m_extension() -> None:
+    """Test LaTeX math rendering via l2m4m extension."""
+    md = markdown_factory()
+    markdown_input = (
+        "Quick math: $E = mc^2$\n"
+    )
+    expected_output_fragments = [
+        'math display="inline"',
+    ]
+    html, _ = convert_markdown(md, markdown_input)
+
+    for fragment in expected_output_fragments:
+        assert fragment in html