walk.py: xml outlining for debugging.

walk.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+from bs4 import BeautifulSoup
+from bs4.builder import XMLParsedAsHTMLWarning
+import warnings
+import re
+import sys
+
+warnings.filterwarnings('ignore', category=XMLParsedAsHTMLWarning)
+
+def text(node):
+	return ''.join(node.strings).strip()
+
+def walk(node, depth):
+	if not hasattr(node, 'children'):
+		return
+	if depth == 8:
+		return
+
+	classes = []
+	title = ''
+
+	if node.has_attr('class'):
+		classes = node['class']
+		if 'titlepage' in classes:
+			title = text(node)
+
+	print(' ' * (depth * 3), node.name, classes, title)
+	for child in node.children:
+		walk(child, depth + 1)
+
+def main():
+	with open(sys.argv[1]) as file:
+		soup = BeautifulSoup(file, 'lxml')
+
+	print(f'Processing {sys.argv[1]}...')
+
+	walk(soup.select_one('body > div.section'), 0)
+
+if __name__ == "__main__":
+	main()