1096     def _parse_expr(self, feed, cur_item, line, filename=None, linenr=None,  argument
1139         return self._parse_expr_rec(feed)
1141     def _parse_expr_rec(self, feed):  argument
1142         or_term = self._parse_or_term(feed)
1143         if not feed.check(T_OR):
1147         or_terms = [or_term, self._parse_or_term(feed)]
1148         while feed.check(T_OR):
1149             or_terms.append(self._parse_or_term(feed))
1152     def _parse_or_term(self, feed):  argument
1153         and_term = self._parse_factor(feed)
1154         if not feed.check(T_AND):
1158         and_terms = [and_term, self._parse_factor(feed)]
1159         while feed.check(T_AND):
1160             and_terms.append(self._parse_factor(feed))
1163     def _parse_factor(self, feed):  argument
1164         token = feed.get_next()
1170             next_token = feed.peek_next()
1179             relation = EQUAL if (feed.get_next() == T_EQUAL) else UNEQUAL
1180             token_2 = feed.get_next()
1186             return (NOT, self._parse_factor(feed))
1189             expr_parse = self._parse_expr_rec(feed)
1190             if not feed.check(T_CLOSE_PAREN):