def next(self):
if self._tags is None:
raise NotmuchError(STATUS.NOT_INITIALIZED)
- # No need to call nmlib.notmuch_tags_valid(self._tags);
- # Tags._get safely returns None, if there is no more valid tag.
- tag = Tags._get(self._tags).decode('utf-8')
- if tag is None:
+ if not nmlib.notmuch_tags_valid(self._tags):
self._tags = None
raise StopIteration
+ tag = Tags._get(self._tags).decode('UTF-8')
nmlib.notmuch_tags_move_to_next(self._tags)
return tag
left."""
return nmlib.notmuch_tags_valid(self._tags) > 0
- def __len__(self):
- """len(:class:`Tags`) returns the number of contained tags
-
- .. note:: As this iterates over the tags, we will not be able
- to iterate over them again (as in retrieve them)! If
- the tags have been exhausted already, this will raise a
- :exc:`NotmuchError` STATUS.NOT_INITIALIZED on
- subsequent attempts.
- """
- if self._tags is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
-
- i = 0
- while nmlib.notmuch_tags_valid(self._tags):
- nmlib.notmuch_tags_move_to_next(self._tags)
- i += 1
- self._tags = None
- return i
-
def __str__(self):
"""The str() representation of Tags() is a space separated list of tags