fix(security): neutraliser le contexte des erreurs expurgées

pronote_sync/sources/theoretical/file.py

@@ -85,6 +85,7 @@ class JsonTheoreticalAgendaProvider:
         self._file_path: str = file_path
         self._parity_service: WeekParityService | None = parity_service
         self._holiday_calendar: SchoolHolidayCalendar | None = holiday_calendar
+        load_error: PronoteSyncError | None = None
         try:
             content = Path(file_path).read_text(encoding="utf-8")
             parsed = TheoreticalAgendaFile.model_validate_json(content)
@@ -94,9 +95,11 @@ class JsonTheoreticalAgendaProvider:
                 redact_secrets(str(file_path)),
                 redact_exception(exc),
             )
-            raise PronoteSyncError(
+            load_error = PronoteSyncError(
                 f"Le fichier d'agenda théorique est invalide : {redact_secrets(str(file_path))}"
-            ) from None
+            )
+        if load_error is not None:
+            raise load_error from None
         self._lessons: tuple[TheoreticalLessonEntry, ...] = parsed.lessons
         if self._parity_service is None and any(
             entry.week in ("even", "odd") for entry in self._lessons

pronote_sync/sources/theoretical/holidays.py

@@ -77,6 +77,7 @@ class SchoolHolidayCalendar:
             raise PronoteSyncError(
                 f"Le fichier de vacances scolaires est introuvable : {redact_secrets(str(path))}"
             ) from None
+        load_error: PronoteSyncError | None = None
         try:
             data: Any = json.loads(path.read_text(encoding="utf-8"))
             file_model: SchoolHolidayFile = SchoolHolidayFile.model_validate(data)
@@ -86,9 +87,11 @@ class SchoolHolidayCalendar:
                 redact_secrets(str(path)),
                 redact_exception(exc),
             )
-            raise PronoteSyncError(
+            load_error = PronoteSyncError(
                 f"Le fichier de vacances scolaires est invalide : {redact_secrets(str(path))}"
-            ) from None
+            )
+        if load_error is not None:
+            raise load_error from None
         self._periods = file_model.periods
 
     def is_holiday(self, target_date: date) -> bool: