re-add babycode guide

app/__init__.py

@@ -7,6 +7,7 @@ from .constants import (
     PermissionLevel, permission_level_string,
     InfoboxKind, InfoboxIcons, InfoboxHTMLClass
     )
+from .lib.babycode import babycode_to_html, EMOJI
 from datetime import datetime
 import os
 import time
@@ -103,6 +104,7 @@ def create_app():
             "InfoboxHTMLClass": InfoboxHTMLClass,
             "InfoboxKind": InfoboxKind,
             "__commit": commit,
+            "__emoji": EMOJI,
         }
 
     @app.context_processor
@@ -124,4 +126,18 @@ def create_app():
     def permission_string(term):
         return permission_level_string(term)
 
+    @app.template_filter('babycode')
+    def babycode_filter(markup):
+        return babycode_to_html(markup)
+
+    @app.template_filter('extract_h2')
+    def extract_h2(content):
+        import re
+        pattern = r'<h2\s+id="([^"]+)"[^>]*>(.*?)<\/h2>'
+        matches = re.findall(pattern, content, re.IGNORECASE | re.DOTALL)
+        return [
+            {'id': id_.strip(), 'text': text.strip()}
+            for id_, text in matches
+        ]
+
     return app