def _get_entries_for_calculation(self):
mgr = self._get_provider_manager('<STR_LIT>')  <EOL>if not mgr.supports_gradebook_column_lookup():<EOL><INDENT>raise errors.OperationFailed('<STR_LIT>')<EOL><DEDENT>gradebook_id = Id(self._my_map['<STR_LIT>'][<NUM_LIT:0>])<EOL>lookup_session = mgr.get_grade_entry_lookup_session_for_gradebook(gradebook_id,<EOL>proxy=getattr(self, "<STR_LIT>", None))<EOL>entries = lookup_session.get_grade_entries_for_gradebook_column(self.get_gradebook_column_id())<EOL>return [e for e in entries if not e.is_ignored_for_calculations()]<EOL>
Ignores entries flagged with ignoreForCalculation