Support code formattingHEADmaster

5 files changed, 43 insertions, 3 deletions

diff --git a/blog/blog.py b/blog/blog.py
index 4b9a345..8528b82 100644
--- a/blog/blog.py
+++ b/blog/blog.py
@@ -11,6 +11,7 @@ from jinja2 import Template, Environment, FileSystemLoader, select_autoescape
 from post import Post
 from feed import Feed
 from atom import Atom
+from highlight import Highlight
 
 
 def recreate_workdir(basedir: str) -> None:
@@ -44,6 +45,8 @@ def generate_blog() -> None:
     workdir = "remote"
     recreate_workdir(workdir)
 
+    Highlight.generate(workdir)
+
     for post in posts:
         post.generate(workdir)
 
diff --git a/blog/highlight.py b/blog/highlight.py
new file mode 100644
index 0000000..e4d7b92
--- /dev/null
+++ b/blog/highlight.py
@@ -0,0 +1,23 @@
+import os
+from typing import cast, Callable
+
+from pygments.formatters import HtmlFormatter
+
+
+def get_style_defs() -> str:
+    # Workaround to avoid mypy to complain about untyped
+    # get_style_defs() call.
+    formatter = HtmlFormatter(style="bw")
+    selector = ".highlight"
+    f = cast(Callable[[str], str], formatter.get_style_defs)
+    return f(selector)
+
+
+class Highlight(object):
+    @staticmethod
+    def generate(basedir: str) -> None:
+        highligh = os.path.join(basedir, "highlight.css")
+
+        with open(highligh, mode='w') as f:
+            style = get_style_defs()
+            f.write(style)
diff --git a/blog/render.py b/blog/render.py
index ad06602..9cda36a 100644
--- a/blog/render.py
+++ b/blog/render.py
@@ -15,5 +15,15 @@ def write_file_content(filename: str, data: str) -> None:
 
 def to_html(filename: str) -> str:
     text = read_file_content(filename)
-    return markdown.markdown(text, extensions=["fenced_code", "footnotes",
-                                               TocExtension(anchorlink=True)])
+    return markdown.markdown(
+        text,
+        extensions=[
+            "fenced_code",
+            "footnotes",
+            "codehilite",
+            TocExtension(anchorlink=True)
+        ],
+        extension_configs={
+            "codehilite": {"css_class": "highlight"}
+        },
+    )
diff --git a/requirements.txt b/requirements.txt
index f5a8fc9..b6cfaf9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,10 @@ MarkupSafe==2.1.1
 mypy==0.991
 mypy-extensions==1.0.0
 pycodestyle==2.10.0
+Pygments==2.21.0
 tomli==2.0.1
+types-docutils==0.22.3.20251115
 types-Markdown==3.4.2.2
-typing-extensions==4.12.2
+types-Pygments==2.19.0.20251121
+typing_extensions==4.12.2
 zipp==3.19.1
diff --git a/templates/post.html b/templates/post.html
index f61a2bd..8a8ac33 100644
--- a/templates/post.html
+++ b/templates/post.html
@@ -10,6 +10,7 @@
 
     <title>{{ title }} | blog.ilvokhin.com</title>
     <link rel="stylesheet" type="text/css" href="/style.css" />
+    <link rel="stylesheet" type="text/css" href="/highlight.css" />
 </head>
 
 <body class="post">