from ctypes import c_char_p
from notmuch.globals import nmlib, STATUS, NotmuchError
-#------------------------------------------------------------------------------
+
class Tags(object):
"""Represents a list of notmuch tags
This object provides an iterator over a list of notmuch tags (which
- are unicode instances).
+ are unicode instances).
Do note that the underlying library only provides a one-time
iterator (it cannot reset the iterator to the start). Thus iterating
STATUS.NOT_INITIALIZED. Also note, that any function that uses
iteration (nearly all) will also exhaust the tags. So both::
- for tag in tags: print tag
+ for tag in tags: print tag
as well as::
valid, we will raise an :exc:`NotmuchError`
(STATUS.NULL_POINTER) if it is `None`.
:type tags_p: :class:`ctypes.c_void_p`
- :param parent: The parent object (ie :class:`Database` or
+ :param parent: The parent object (ie :class:`Database` or
:class:`Message` these tags are derived from, and saves a
reference to it, so we can automatically delete the db object
once all derived objects are dead.
self._tags = tags_p
#save reference to parent object so we keep it alive
self._parent = parent
-
+
def __iter__(self):
""" Make Tags an iterator """
return self
if self._tags is None:
raise NotmuchError(STATUS.NOT_INITIALIZED)
- i=0
- while nmlib.notmuch_tags_valid(self._msgs):
- nmlib.notmuch_tags_move_to_next(self._msgs)
+ 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 __del__(self):
"""Close and free the notmuch tags"""
if self._tags is not None:
- nmlib.notmuch_tags_destroy (self._tags)
+ nmlib.notmuch_tags_destroy(self._tags)