commit d6ae48ed2539f78e5b0d32c670d0e521d7cd3c08
Author: Sergio Martínez Portela <sergio@codigoparallevar.com>
Date:   Sat Aug 14 18:04:22 2021 +0200

    Add base structure for generation script.

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c7ac740
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+_gen
\ No newline at end of file
diff --git a/_scripts/generate.py b/_scripts/generate.py
new file mode 100644
index 0000000..a898e4d
--- /dev/null
+++ b/_scripts/generate.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+
+import logging
+import os
+import sys
+import uuid
+from datetime import datetime
+
+from org_rw import OrgTime
+from org_rw import dump as dump_org
+from org_rw import dumps as dumps_org
+from org_rw import load as load_org
+
+EXTENSIONS = [
+    ".org",
+    ".org.txt",
+]
+
+
+def load_all(top_dir_relative):
+    top = os.path.abspath(top_dir_relative)
+
+    docs = []
+
+    for root, dirs, files in os.walk(top):
+        for name in files:
+            if ".org" not in name:
+                continue
+
+            path = os.path.join(root, name)
+
+            try:
+                doc = load_org(open(path), extra_cautious=True)
+                docs.append(doc)
+            except Exception as err:
+                import traceback
+
+                traceback.print_exc()
+                print(f"== On {path}")
+                sys.exit(1)
+
+    logging.info("Collected {} files".format(len(docs)))
+    return docs
+
+
+def main(src_top, dest_top):
+    docs = load_all(src_top)
+
+    os.makedirs(dest_top, exist_ok=True)
+    for doc in docs:
+        relpath = os.path.relpath(doc.path, src_top)
+        changed = False
+        headlines = list(doc.getTopHeadlines())
+        related = None
+
+        i = len(headlines)
+        while i > 0:
+            i -= 1
+            headline = headlines[i]
+            if headline.title.strip().lower() == "related":
+                assert related is None
+                related = headline
+                headlines.pop(i)
+
+        for headline in headlines:
+            if headline.id is None:
+                headline.id = str(uuid.uuid4())
+                changed = True
+
+        if changed:
+            print("Updated", relpath)
+            save_changes(doc)
+
+        if not relpath.startswith("public/"):
+            # print("Skip:", relpath)
+            continue
+        pubpath = relpath.split("/", 1)[1]
+        endpath = pubpath + ".html"
+        for extension in EXTENSIONS:
+            if pubpath.endswith(extension):
+                endpath = pubpath[: -len(extension)] + ".html"
+                break
+        print("PUBLIC", pubpath, "→", endpath)
+
+        endpath = os.path.join(dest_top, endpath)
+        dirname = os.path.dirname(endpath)
+        if len(dirname) > 0:
+            os.makedirs(dirname, exist_ok=True)
+        with open(endpath, "wt") as f:
+            f.write(render(doc))
+
+
+def render(doc):
+    return dumps_org(doc)
+
+
+def save_changes(doc):
+    assert doc.path is not None
+    with open(doc.path, "wt") as f:
+        dumps_org(doc, f)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        print("Usage: {} SOURCE_TOP DEST_TOP".format(sys.argv[0]))
+        exit(0)
+
+    logging.basicConfig(level=logging.INFO, format="%(levelname)-8s %(message)s")
+    main(sys.argv[1], sys.argv[2])