Minor signature change for parse_html()

tetras_extraction/macao_12/script/extract_page.py

@@ -69,11 +69,10 @@ class Activity:
         for comment in self.comments_misc:
             graph.add((self.ref, NS["commentaireInfo"], Literal(comment.html)))
 
-    def parse_html(self, tree):
+    def parse_html(self, root: HtmlElement):
         """From a `lxml.html` parsing tree, extract all data relevant to this class.
         Subclasses may override this method to extract more specific data.
         """
-        root = tree.getroot()
         # => Title
         self.title = root.xpath("/html/head/title")[0].text
         # => Comments
@@ -126,17 +125,16 @@ class Activity:
 
 
 class Cours(Activity):
-    def parse_html(self, tree):
-        super().parse_html(tree)
+    def parse_html(self, root: HtmlElement):
+        super().parse_html(root)
         # => Description
-        cours = tree.getroot().get_element_by_id("STY_texteCours")
+        cours = root.get_element_by_id("STY_texteCours")
         self.description = to_html(cours).strip()
 
 
 class Exercice(Activity):
-    def parse_html(self, tree):
-        super().parse_html(tree)
-        root = tree.getroot()
+    def parse_html(self, root: HtmlElement):
+        super().parse_html(root)
         # => Description
         question = root.get_element_by_id("STY_question")
         self.description = to_html(question).strip()
@@ -167,9 +165,8 @@ class ExerciceQC(Exercice):
     def get_name(self) -> str:
         return "ExerciceQC_QCM" if self.is_qcm else "ExerciceQC_QCU"
 
-    def parse_html(self, tree):
-        super().parse_html(tree)
-        root = tree.getroot()
+    def parse_html(self, root: HtmlElement):
+        super().parse_html(root)
         # Find question choices
         for choice in root.find_class("STY_reponseQC"):
             # Choices have an 'id' attribute in the form 'lienRepX'
@@ -537,6 +534,6 @@ def parse_page(graph: Graph, filepath: str, id: str):
 
     activity.id = id
     # Parse the HTML portion
-    activity.parse_html(tree)
+    activity.parse_html(root)
     # Save everything to the graph
     activity.save(graph)