1 files changed, 72 insertions, 0 deletions
diff --git a/trees/blog/build_feed.py b/trees/blog/build_feed.py
new file mode 100644
index 0000000..2fd067d
--- /dev/null
+++ b/trees/blog/build_feed.py
@@ -0,0 +1,72 @@
+
+#!/usr/bin/env python3
+import os, re, time, sys
+from datetime import datetime, timezone
+
+# IN = "./src/feed.html"
+# OUT = "./src/feed.rss"
+IN = sys.argv[1]
+OUT = sys.argv[2]
+
+def fmt_rfc2822(ts: float) -> str:
+    return datetime.fromtimestamp(ts, timezone.utc).strftime("%a, %d %b %Y %H:%M:%S %z")
+
+# Read Typst-generated HTML
+with open(IN, encoding="utf-8") as f:
+    html = f.read()
+
+# Extract <item> blocks
+blocks = re.findall(r"<item>(.*?)</item>", html, re.DOTALL)
+
+posts = []
+for block in blocks:
+    url_match = re.search(r"<h1>(.*?)</h1>", block)
+    title_match = re.search(r"<title>(.*?)</title>", block)
+    if not (url_match and title_match):
+        continue
+
+    url = url_match.group(1).strip()
+    title = title_match.group(1).strip()
+
+    # Determine file mod time (fallback = now)
+    filename = "./src/" + os.path.basename(url.replace("html", "typ"))
+    print(f"adding {filename}")
+    ts = os.path.getmtime(filename) if os.path.exists(filename) else time.time()
+
+    posts.append({
+        "title": title,
+        "url": url,
+        "ts": ts,
+        "pubDate": fmt_rfc2822(ts)
+    })
+
+# Sort newest first
+posts.sort(key=lambda p: p["ts"], reverse=True)
+
+rss_items = "\n".join(
+    f"""  <item>
+    <title>{p["title"]}</title>
+    <link>{p["url"]}</link>
+    <pubDate>{p["pubDate"]}</pubDate>
+  </item>"""
+    for p in posts
+)
+
+# Build RSS
+rss = f"""<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0">
+<channel>
+  <title>0x4200.cafe</title>
+  <link>https://0x4200.cafe/</link>
+  <description>Latest posts from 0x4200.cafe</description>
+  <lastBuildDate>{fmt_rfc2822(time.time())}</lastBuildDate>
+{rss_items}
+</channel>
+</rss>
+"""
+
+# Write out
+with open(OUT, "w", encoding="utf-8") as f:
+    f.write(rss)
+
+print(f"✅ Built {OUT} with {len(posts)} items (sorted newest first)")