diff options
Diffstat (limited to 'bindings/python/notmuch/messages.py')
| -rw-r--r-- | bindings/python/notmuch/messages.py | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/bindings/python/notmuch/messages.py b/bindings/python/notmuch/messages.py index 251fa3a3..59ef40af 100644 --- a/bindings/python/notmuch/messages.py +++ b/bindings/python/notmuch/messages.py @@ -172,11 +172,15 @@ class Messages(object): next = __next__ # python2.x iterator protocol compatibility def __nonzero__(self): - """ - :return: True if there is at least one more thread in the - Iterator, False if not.""" - return self._msgs is not None and \ - self._valid(self._msgs) > 0 + ''' + Implement truth value testing. If __nonzero__ is not + implemented, the python runtime would fall back to `len(..) > + 0` thus exhausting the iterator. + + :returns: True if the wrapped iterator has at least one more object + left. + ''' + return self._msgs and self._valid(self._msgs) _destroy = nmlib.notmuch_messages_destroy _destroy.argtypes = [NotmuchMessagesP] |