55             quality = match.group(2) or ''
56             if quality:
58                     quality = max(min(float(quality), 1), 0)
59                     yield (name, quality)
78         for mask, quality in self._parsed:
79             if quality != 1:
81                     mask, min(len(str(quality).split('.')[1]), 3), quality)
94                     name, quality = item
95                     result.append('%s; q=%s' % (name, quality))
119         for mask, quality in self._parsed_nonzero:
123     def quality(self, offer, modifier=1):  member in Accept
167             for mask, quality in self._parsed_nonzero:
168                 possible_quality = server_quality * quality
220     def quality(self, offer, default_quality=1):  member in NilAccept
232                 offer, quality = offer
234                 quality = 1
235             if quality > best_quality:
237                 best_quality = quality