def _item_duplicate_check(lib, task):
"""Check whether an item already exists in the library. Returns a
list of Item objects.
"""
assert task.choice_flag in (action.ASIS, action.APPLY)
artist, title = task.chosen_ident()
found_items = []
query = library.AndQuery((
library.MatchQuery('artist', artist),
library.MatchQuery('title', title),
))
for other_item in lib.items(query):
# Existing items not considered duplicates.
if other_item.path == task.item.path:
continue
found_items.append(other_item)
return found_items
def get_item(self, path):
"""Return the beets item related to path.
"""
query = library.MatchQuery('path', path)
item = self.lib.items(query).get()
if item:
return item
else:
log.info(u'mpdstats: item not found: {0}'.format(
displayable_path(path)))
def _duplicate_check(lib, task):
"""Check whether an album already exists in the library. Returns a
list of Album objects (empty if no duplicates are found).
"""
assert task.choice_flag in (action.ASIS, action.APPLY)
artist, album = task.chosen_ident()
if artist is None:
# As-is import with no artist. Skip check.
return []
found_albums = []
cur_paths = set(i.path for i in task.items if i)
for album_cand in lib.albums(library.MatchQuery('albumartist', artist)):
if album_cand.album == album:
# Check whether the album is identical in contents, in which
# case it is not a duplicate (will be replaced).
other_paths = set(i.path for i in album_cand.items())
if other_paths == cur_paths:
continue
found_albums.append(album_cand)
return found_albums
def apply_choices(session):
"""A coroutine for applying changes to albums and singletons during
the autotag process.
"""
task = None
while True:
task = yield task
if task.should_skip():
continue
items = task.imported_items()
# Clear IDs in case the items are being re-tagged.
for item in items:
item.id = None
item.album_id = None
# Change metadata.
if task.should_write_tags():
if task.is_album:
autotag.apply_metadata(task.match.info, task.match.mapping)
else:
autotag.apply_item_metadata(task.item, task.match.info)
plugins.send('import_task_apply', session=session, task=task)
# Infer album-level fields.
if task.is_album:
_infer_album_fields(task)
# Find existing item entries that these are replacing (for
# re-imports). Old album structures are automatically cleaned up
# when the last item is removed.
task.replaced_items = defaultdict(list)
for item in items:
dup_items = session.lib.items(library.MatchQuery(
'path', item.path))
for dup_item in dup_items:
task.replaced_items[item].append(dup_item)
log.debug('replacing item %i: %s' %
(dup_item.id, displayable_path(item.path)))
log.debug('%i of %i items replaced' %
(len(task.replaced_items), len(items)))
# Find old items that should be replaced as part of a duplicate
# resolution.
duplicate_items = []
if task.remove_duplicates:
if task.is_album:
for album in _duplicate_check(session.lib, task):
duplicate_items += album.items()
else:
duplicate_items = _item_duplicate_check(session.lib, task)
log.debug('removing %i old duplicated items' %
len(duplicate_items))
# Delete duplicate files that are located inside the library
# directory.
for duplicate_path in [i.path for i in duplicate_items]:
if session.lib.directory in util.ancestry(duplicate_path):
log.debug(u'deleting replaced duplicate %s' %
util.displayable_path(duplicate_path))
util.remove(duplicate_path)
util.prune_dirs(os.path.dirname(duplicate_path),
session.lib.directory)
# Add items -- before path changes -- to the library. We add the
# items now (rather than at the end) so that album structures
# are in place before calls to destination().
with session.lib.transaction():
# Remove old items.
for replaced in task.replaced_items.itervalues():
for item in replaced:
session.lib.remove(item)
for item in duplicate_items:
session.lib.remove(item)
# Add new ones.
if task.is_album:
# Add an album.
album = session.lib.add_album(items)
task.album_id = album.id
else:
# Add tracks.
for item in items:
session.lib.add(item)
def apply_choices(config):
"""A coroutine for applying changes to albums during the autotag
process.
"""
lib = _reopen_lib(config.lib)
task = None
while True:
task = yield task
if task.should_skip():
continue
items = [i for i in task.items if i] if task.is_album else [task.item]
# Clear IDs in case the items are being re-tagged.
for item in items:
item.id = None
item.album_id = None
# Change metadata.
if task.should_write_tags():
if task.is_album:
autotag.apply_metadata(task.items, task.info)
else:
autotag.apply_item_metadata(task.item, task.info)
# Infer album-level fields.
if task.is_album:
_infer_album_fields(task)
# Find existing item entries that these are replacing. Old
# album structures are automatically cleaned up when the
# last item is removed.
replaced_items = defaultdict(list)
for item in items:
dup_items = lib.items(library.MatchQuery('path', item.path))
for dup_item in dup_items:
replaced_items[item].append(dup_item)
log.debug('replacing item %i: %s' %
(dup_item.id, displayable_path(item.path)))
log.debug('%i of %i items replaced' % (len(replaced_items),
len(items)))
# Move/copy files.
task.old_paths = [item.path for item in items]
for item in items:
if config.copy:
# If we're replacing an item, then move rather than
# copying.
do_copy = not bool(replaced_items[item])
lib.move(item, do_copy, task.is_album)
if config.write and task.should_write_tags():
item.write()
# Add items to library. We consolidate this at the end to avoid
# locking while we do the copying and tag updates.
try:
# Remove old items.
for replaced in replaced_items.itervalues():
for item in replaced:
lib.remove(item)
# Add new ones.
if task.is_album:
# Add an album.
album = lib.add_album(items)
task.album_id = album.id
else:
# Add tracks.
for item in items:
lib.add(item)
finally:
lib.save()