Add clean method to QuestionForm to unwrap single <p> tags from TinyMCE HTML fields

sbas/forms.py

@@ -22,6 +22,7 @@ from django.contrib.admin.widgets import FilteredSelectMultiple
 from django.forms.widgets import RadioSelect, TextInput, Textarea
 
 from tinymce.widgets import TinyMCE
+import re
 
 from dal import autocomplete
 from crispy_forms.helper import FormHelper
@@ -160,6 +161,45 @@ class QuestionForm(ModelForm):
 
         return instance
 
+    def clean(self):
+        """Strip a single wrapping <p>...</p> from TinyMCE-provided HTML fields.
+
+        This handles the common TinyMCE behaviour where the editor wraps
+        inline content in a root <p>. We only unwrap when the entire value
+        is a single <p> element (so multi-paragraph content is preserved).
+        """
+        cleaned = super(QuestionForm, self).clean()
+
+        def _unwrap_single_p(html: str) -> str:
+            if not html or not isinstance(html, str):
+                return html
+            # Match a single <p ...>...</p> that spans the whole string
+            m = re.fullmatch(r"\s*<p\b[^>]*>(.*)</p>\s*", html, flags=re.DOTALL | re.IGNORECASE)
+            if m:
+                return m.group(1)
+            return html
+
+        fields_to_unwrap = [
+            "stem",
+            "feedback",
+            "a_answer",
+            "a_feedback",
+            "b_answer",
+            "b_feedback",
+            "c_answer",
+            "c_feedback",
+            "d_answer",
+            "d_feedback",
+            "e_answer",
+            "e_feedback",
+        ]
+
+        for fname in fields_to_unwrap:
+            if fname in cleaned:
+                cleaned[fname] = _unwrap_single_p(cleaned.get(fname))
+
+        return cleaned
+
     class Meta:
         model = Question