refactor: render triggers only when trigger fields are available

Author: mariajgrimaldi

code_annotations/contrib/sphinx/extensions/openedx_events.py

@@ -132,22 +132,23 @@ def iter_nodes(self):
                 ids=[f"definition-{event_name}"],
             )
 
-            event_section += nodes.paragraph(text="Triggers", ids=[f"triggers-{event_name}"])
-            triggers_bullet_list = nodes.bullet_list()
-            for repository, path in zip(event_trigger_repository, event_trigger_path):
-                triggers_bullet_list += nodes.list_item(
-                    "",
-                    nodes.paragraph(
+            if event_trigger_path and event_trigger_repository:
+                event_section += nodes.paragraph(text="Triggers", ids=[f"triggers-{event_name}"])
+                triggers_bullet_list = nodes.bullet_list()
+                for repository, path in zip(event_trigger_repository, event_trigger_path):
+                    triggers_bullet_list += nodes.list_item(
                         "",
-                        "Path: ",
-                        nodes.reference(
-                            text=path,
-                            refuri=f"https://github.com/search?q=repo:{repository}+{event_name}+path:{path}"
+                        nodes.paragraph(
+                            "",
+                            "Path: ",
+                            nodes.reference(
+                                text=path,
+                                refuri=f"https://github.com/search?q=repo:{repository}+{event_name}+path:{path}"
+                            ),
                         ),
-                    ),
-                )
+                    )
 
-            event_section += triggers_bullet_list
+                event_section += triggers_bullet_list
 
             if event.get(".. event_warning:") not in (None, "None", "n/a", "N/A"):
                 event_section += nodes.warning(