Interfacing with notmuch¶
notmuch module provides most of the functionality that a user is
likely to need.
The underlying notmuch library is build on a hierarchical
memory allocator called talloc. All objects derive from a
This means that as soon as an object is deleted, all underlying derived objects such as Queries, Messages, Message, and Tags will be freed by the underlying library as well. Accessing these objects will then lead to segfaults and other unexpected behavior.
We implement reference counting, so that parent objects can be automatically freed when they are not needed anymore. For example:
db = Database('path',create=True) msgs = Query(db,'from:myself').search_messages()
In this case, the above Query() object will be automatically freed whenever we delete all derived objects, ie in our case: del(msgs) would also delete the parent Query. It would not delete the parent Database() though, as that is still referenced from the variable db in which it is stored.