def modify_items(lib, mods, query, write, move, album, color, confirm):
"""Modifies matching items according to key=value assignments."""
# Parse key=value specifications into a dictionary.
allowed_keys = library.ALBUM_KEYS if album else library.ITEM_KEYS_WRITABLE
fsets = {}
for mod in mods:
key, value = mod.split('=', 1)
if key not in allowed_keys:
raise ui.UserError('"%s" is not a valid field' % key)
fsets[key] = value
# Get the items to modify.
items, albums = _do_query(lib, query, album, False)
objs = albums if album else items
# Preview change.
print_('Modifying %i %ss.' % (len(objs), 'album' if album else 'item'))
for obj in objs:
# Identify the changed object.
if album:
print_(u'* %s - %s' % (obj.albumartist, obj.album))
else:
print_(u'* %s - %s' % (obj.artist, obj.title))
# Show each change.
for field, value in fsets.iteritems():
curval = getattr(obj, field)
_showdiff(field, curval, value, color)
# Confirm.
if confirm:
extra = ' and write tags' if write else ''
if not ui.input_yn('Really modify%s (Y/n)?' % extra):
return
# Apply changes to database.
for obj in objs:
for field, value in fsets.iteritems():
setattr(obj, field, value)
if move:
cur_path = obj.item_dir() if album else obj.path
if lib.directory in ancestry(cur_path): # In library?
log.debug('moving object %s' % cur_path)
if album:
obj.move()
else:
lib.move(obj)
# When modifying items, we have to store them to the database.
if not album:
lib.store(obj)
lib.save()
# Apply tags if requested.
if write:
if album:
items = itertools.chain(*(a.items() for a in albums))
for item in items:
item.write()
def manipulate_files(config):
"""A coroutine (pipeline stage) that performs necessary file
manipulations *after* items have been added to the library.
"""
task = None
while True:
task = yield task
if task.should_skip():
continue
# Move/copy files.
items = task.imported_items()
task.old_paths = [item.path for item in items] # For deletion.
for item in items:
if config.move:
# Just move the file.
old_path = item.path
config.lib.move(item, False)
task.prune(old_path)
elif config.copy:
# If it's a reimport, move in-library files and copy
# out-of-library files. Otherwise, copy and keep track
# of the old path.
old_path = item.path
if task.replaced_items[item]:
# This is a reimport. Move in-library files and copy
# out-of-library files.
if config.lib.directory in util.ancestry(old_path):
config.lib.move(item, False)
# We moved the item, so remove the
# now-nonexistent file from old_paths.
task.old_paths.remove(old_path)
else:
config.lib.move(item, True)
else:
# A normal import. Just copy files and keep track of
# old paths.
config.lib.move(item, True)
if config.write and task.should_write_tags():
item.write()
# Save new paths.
with config.lib.transaction():
for item in items:
config.lib.store(item)
# Plugin event.
plugins.send('import_task_files', config=config, task=task)
def apply_choices(config):
"""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,
per_disc_numbering=config.per_disc_numbering
)
else:
autotag.apply_item_metadata(task.item, task.match.info)
plugins.send('import_task_apply', config=config, 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 = config.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(config.lib, task):
duplicate_items += album.items()
else:
duplicate_items = _item_duplicate_check(config.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 config.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),
config.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 config.lib.transaction():
# Remove old items.
for replaced in task.replaced_items.itervalues():
for item in replaced:
config.lib.remove(item)
for item in duplicate_items:
config.lib.remove(item)
# Add new ones.
if task.is_album:
# Add an album.
album = config.lib.add_album(items)
task.album_id = album.id
else:
# Add tracks.
for item in items:
config.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 (for
# re-imports). 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)))
# 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(lib, task):
duplicate_items += album.items()
else:
duplicate_items = _item_duplicate_check(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 lib.directory in util.ancestry(duplicate_path):
log.debug(u'deleting replaced duplicate %s' %
util.displayable_path(duplicate_path))
util.soft_remove(duplicate_path)
util.prune_dirs(os.path.dirname(duplicate_path),
lib.directory)
# 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.
old_path = item.path
do_copy = not bool(replaced_items[item])
lib.move(item, do_copy, task.is_album)
if not do_copy:
# If we moved the item, remove the now-nonexistent
# file from old_paths.
task.old_paths.remove(old_path)
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)
for item in duplicate_items:
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()
def albums_in_dir(path, ignore=()):
"""Recursively searches the given directory and returns an iterable
of (path, items) where path is a containing directory and items is
a list of Items that is probably an album. Specifically, any folder
containing any media files is an album. Directories and file names
that match the glob patterns in ``ignore`` are skipped.
"""
collapse_root = None
collapse_items = None
for root, dirs, files in sorted_walk(path, ignore):
# Get a list of items in the directory.
items = []
for filename in files:
try:
i = library.Item.from_path(os.path.join(root, filename))
except mediafile.FileTypeError:
pass
except mediafile.UnreadableFileError:
log.warn('unreadable file: ' + filename)
else:
items.append(i)
# If we're collapsing, test to see whether we should continue to
# collapse. If so, just add to the collapsed item set;
# otherwise, end the collapse and continue as normal.
if collapse_root is not None:
if collapse_root in ancestry(root):
# Still collapsing.
collapse_items += items
continue
else:
# Collapse finished. Yield the collapsed directory and
# proceed to process the current one.
if collapse_items:
yield collapse_root, collapse_items
collapse_root = collapse_items = None
# Does the current directory look like a multi-disc album? If
# so, begin collapsing here.
if dirs and not items: # Must be only directories.
multidisc = False
for marker in MULTIDISC_MARKERS:
pat = MULTIDISC_PAT_FMT % marker
if all(re.search(pat, dirname, re.I) for dirname in dirs):
multidisc = True
break
# This becomes True only when all directories match a
# pattern for a single marker.
if multidisc:
# Start collapsing; continue to the next iteration.
collapse_root = root
collapse_items = []
continue
# If it's nonempty, yield it.
if items:
yield root, items
# Clear out any unfinished collapse.
if collapse_root is not None and collapse_items:
yield collapse_root, collapse_items
def update_items(lib, query, album, move, color, pretend):
"""For all the items matched by the query, update the library to
reflect the item's embedded tags.
"""
items, _ = _do_query(lib, query, album)
# Walk through the items and pick up their changes.
affected_albums = set()
for item in items:
# Item deleted?
if not os.path.exists(syspath(item.path)):
print_(u'X %s - %s' % (item.artist, item.title))
if not pretend:
lib.remove(item, True)
affected_albums.add(item.album_id)
continue
# Did the item change since last checked?
if item.current_mtime() <= item.mtime:
log.debug(u'skipping %s because mtime is up to date (%i)' %
(displayable_path(item.path), item.mtime))
continue
# Read new data.
old_data = dict(item.record)
item.read()
# Special-case album artist when it matches track artist. (Hacky
# but necessary for preserving album-level metadata for non-
# autotagged imports.)
if not item.albumartist and \
old_data['albumartist'] == old_data['artist'] == item.artist:
item.albumartist = old_data['albumartist']
item.dirty['albumartist'] = False
# Get and save metadata changes.
changes = {}
for key in library.ITEM_KEYS_META:
if item.dirty[key]:
changes[key] = old_data[key], getattr(item, key)
if changes:
# Something changed.
print_(u'* %s - %s' % (item.artist, item.title))
for key, (oldval, newval) in changes.iteritems():
_showdiff(key, oldval, newval, color)
# If we're just pretending, then don't move or save.
if pretend:
continue
# Move the item if it's in the library.
if move and lib.directory in ancestry(item.path):
lib.move(item)
lib.store(item)
affected_albums.add(item.album_id)
elif not pretend:
# The file's mtime was different, but there were no changes
# to the metadata. Store the new mtime, which is set in the
# call to read(), so we don't check this again in the
# future.
lib.store(item)
# Skip album changes while pretending.
if pretend:
return
# Modify affected albums to reflect changes in their items.
for album_id in affected_albums:
if album_id is None: # Singletons.
continue
album = lib.get_album(album_id)
if not album: # Empty albums have already been removed.
log.debug('emptied album %i' % album_id)
continue
al_items = list(album.items())
# Update album structure to reflect an item in it.
for key in library.ALBUM_KEYS_ITEM:
setattr(album, key, getattr(al_items[0], key))
# Move album art (and any inconsistent items).
if move and lib.directory in ancestry(al_items[0].path):
log.debug('moving album %i' % album_id)
album.move()
lib.save()
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 (for
# re-imports). 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)))
# 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(lib, task):
duplicate_items += album.items()
else:
duplicate_items = _item_duplicate_check(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 lib.directory in util.ancestry(duplicate_path):
log.debug(u'deleting replaced duplicate %s' %
util.displayable_path(duplicate_path))
util.soft_remove(duplicate_path)
util.prune_dirs(os.path.dirname(duplicate_path),
lib.directory)
# 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.
old_path = item.path
do_copy = not bool(replaced_items[item])
lib.move(item, do_copy, task.is_album)
if not do_copy:
# If we moved the item, remove the now-nonexistent
# file from old_paths.
task.old_paths.remove(old_path)
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)
for item in duplicate_items:
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()
def albums_in_dir(path, ignore=()):
"""Recursively searches the given directory and returns an iterable
of (path, items) where path is a containing directory and items is
a list of Items that is probably an album. Specifically, any folder
containing any media files is an album. Directories and file names
that match the glob patterns in ``ignore`` are skipped.
"""
collapse_root = None
collapse_items = None
for root, dirs, files in sorted_walk(path, ignore):
# Get a list of items in the directory.
items = []
for filename in files:
try:
i = library.Item.from_path(os.path.join(root, filename))
except mediafile.FileTypeError:
pass
except mediafile.UnreadableFileError:
log.warn('unreadable file: ' + filename)
else:
items.append(i)
# If we're collapsing, test to see whether we should continue to
# collapse. If so, just add to the collapsed item set;
# otherwise, end the collapse and continue as normal.
if collapse_root is not None:
if collapse_root in ancestry(root):
# Still collapsing.
collapse_items += items
continue
else:
# Collapse finished. Yield the collapsed directory and
# proceed to process the current one.
if collapse_items:
yield collapse_root, collapse_items
collapse_root = collapse_items = None
# Does the current directory look like a multi-disc album? If
# so, begin collapsing here.
if dirs and not items: # Must be only directories.
multidisc = False
for marker in MULTIDISC_MARKERS:
pat = MULTIDISC_PAT_FMT % marker
if all(re.search(pat, dirname, re.I) for dirname in dirs):
multidisc = True
break
# This becomes True only when all directories match a
# pattern for a single marker.
if multidisc:
# Start collapsing; continue to the next iteration.
collapse_root = root
collapse_items = []
continue
# If it's nonempty, yield it.
if items:
yield root, items
# Clear out any unfinished collapse.
if collapse_root is not None and collapse_items:
yield collapse_root, collapse_items
