diff options
Diffstat (limited to 'src/pyexiv2.py')
| -rw-r--r-- | src/pyexiv2.py | 60 |
1 files changed, 39 insertions, 21 deletions
diff --git a/src/pyexiv2.py b/src/pyexiv2.py index b41afa5..d39edfa 100644 --- a/src/pyexiv2.py +++ b/src/pyexiv2.py @@ -250,29 +250,26 @@ class ListenerInterface(object): # Define an interface that an object that wants to listen to changes on a # notifying list should implement. - def item_changed(self, index, item): - raise NotImplementedError() - - def item_deleted(self, index): - raise NotImplementedError() - - def item_appended(self, item): - raise NotImplementedError() + """ + Changes that can happen on a list: + - items changed + - items deleted + - items inserted + - reordered + """ - def extended(self, items): + def items_changed(self, start_index, items): raise NotImplementedError() - def item_inserted(self, index, item): + def items_deleted(self, start_index, end_index): raise NotImplementedError() - def item_popped(self, index): + def items_inserted(self, start_index, items): raise NotImplementedError() - def item_removed(self, item): + def reordered(self): raise NotImplementedError() - # TODO: define other methods. - class NotifyingList(list): @@ -301,35 +298,56 @@ class NotifyingList(list): def __setitem__(self, index, item): # FIXME: support slice arguments super(NotifyingList, self).__setitem__(index, item) - self._notify_listeners('item_changed', index, item) + self._notify_listeners('items_changed', index, [item]) def __delitem__(self, index): # FIXME: support slice arguments super(NotifyingList, self).__delitem__(index) - self._notify_listeners('item_deleted', index) + self._notify_listeners('items_deleted', index, index + 1) def append(self, item): + index = len(self) super(NotifyingList, self).append(item) - self._notify_listeners('item_appended', item) + self._notify_listeners('items_inserted', index, [item]) def extend(self, items): + index = len(self) super(NotifyingList, self).extend(items) - self._notify_listeners('extended', items) + self._notify_listeners('items_inserted', index, items) def insert(self, index, item): super(NotifyingList, self).insert(index, item) - self._notify_listeners('item_inserted', index, item) + self._notify_listeners('items_inserted', index, [item]) def pop(self, index=None): if index is None: index = len(self) - 1 item = super(NotifyingList, self).pop(index) - self._notify_listeners('item_popped', index) + self._notify_listeners('items_deleted', index, index + 1) return item def remove(self, item): + index = self.index(item) super(NotifyingList, self).remove(item) - self._notify_listeners('item_removed', item) + self._notify_listeners('items_deleted', index, index + 1) + + def reverse(self): + raise NotImplementedError() + + def sort(self, cmp=None, key=None, reverse=False): + raise NotImplementedError() + + def __iadd__(self, other): + raise NotImplementedError() + + def __imul__(self, coefficient): + raise NotImplementedError() + + def __setslice__(self, i, j, sequence): + raise NotImplementedError() + + def __delslice__(self, i, j): + raise NotImplementedError() class MetadataTag(object): |