improve markdown rendering and html saniti(s/z)ation; enable strikethrough with tildes

1 files changed, 23 insertions, 0 deletions

diff --git a/apioforum/mdrender.py b/apioforum/mdrender.py
new file mode 100644
index 0000000..20e86bb
--- /dev/null
+++ b/apioforum/mdrender.py
@@ -0,0 +1,23 @@
+import bleach
+
+allowed_tags = [
+    'p',
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'pre',
+    'del',
+]
+allowed_tags.extend(bleach.sanitizer.ALLOWED_TAGS)
+
+cleaner = bleach.sanitizer.Cleaner(tags=allowed_tags)
+
+import markdown
+md = markdown.Markdown(extensions=['pymdownx.tilde'])
+
+def render(text):
+    text = md.reset().convert(text)
+    text = cleaner.clean(text)
+    return text