mdsplit: the works inside one file, and the books inside scripture

parity/oracle/mdsplit.py

@@ -0,0 +1,49 @@
+"""Split collections the way the Python pipeline splits them.
+
+Reads a markdown document on stdin and writes what the anthology splitter
+makes of it.
+
+    CATENA_PARITY_PYTHONPATH=/path/to/book-pipeline/src \
+        python3 oracle/mdsplit.py < case.md
+"""
+
+import json
+import os
+import sys
+
+for path in os.environ.get("CATENA_PARITY_PYTHONPATH", "").split(os.pathsep):
+    if path:
+        sys.path.insert(0, path)
+
+from book_pipeline import anthology  # noqa: E402
+
+
+def main() -> int:
+    markdown = sys.stdin.buffer.read().decode("utf-8")
+    try:
+        sections = anthology.detect_sections(markdown)
+        record = {
+            "split": True,
+            "looks_like_bible": anthology._looks_like_bible(markdown),
+            "sections": [
+                {
+                    "idx": s.idx,
+                    "title": s.title,
+                    "slug": anthology._slugify(s.title),
+                    "text": s.text,
+                }
+                for s in sections
+            ],
+        }
+    except anthology.SplitError:
+        record = {
+            "split": False,
+            "looks_like_bible": anthology._looks_like_bible(markdown),
+            "sections": [],
+        }
+    sys.stdout.write(json.dumps(record, ensure_ascii=False, sort_keys=True) + "\n")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())