use jinja to statically build website

build.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+
+import contextlib
+from io import BufferedWriter, FileIO
+import os
+import shutil
+import git
+from jinja2 import Environment, FileSystemLoader
+
+SOURCES_DIR = "src"
+DIST_DIR = "dist"
+
+def latest_git_commit_year() -> int:
+    return git.Repo(".").head.commit.authored_datetime.year
+
+def build_template(env: Environment, src_path: str):
+    rel_path = os.path.relpath(src_path, SOURCES_DIR)
+    dist_path = os.path.splitext(os.path.join(DIST_DIR, rel_path))[0]
+
+    template = env.get_template(rel_path)
+    rendered_text = template.render(copyright_year = latest_git_commit_year())
+
+    with BufferedWriter(FileIO(dist_path, "wb")) as writer:
+        for line in rendered_text.splitlines():
+            line = line.strip()
+            if len(line) > 0:
+                writer.write(line.encode())
+                writer.write(b"\n")
+
+def main():
+    with contextlib.suppress(FileNotFoundError):
+        shutil.rmtree(DIST_DIR)
+
+    env = Environment(
+        loader=FileSystemLoader(SOURCES_DIR),
+        autoescape=True
+    )
+
+    for root, _, files in os.walk(SOURCES_DIR):
+        rel_dir_path = os.path.relpath(root, SOURCES_DIR)
+        dist_root = os.path.join(DIST_DIR, rel_dir_path)
+        os.makedirs(dist_root, exist_ok=True)
+
+        for src_name in files:
+            src_path = os.path.join(root, src_name)
+
+            if src_name.endswith(".jinja"):
+                if not src_name.startswith("_"):
+                    build_template(env, src_path)
+
+            else:
+                dist_path = os.path.join(dist_root, src_name)
+                shutil.copy(src_path, dist_path)
+
+if __name__ == '__main__':
+    main()