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 move_func(lib, config, opts, args):
dest = opts.dest
if dest is not None:
dest = normpath(dest)
if not os.path.isdir(dest):
raise ui.UserError('no such directory: %s' % dest)
move_items(lib, dest, decargs(args), opts.copy, opts.album)
def modify_func(lib, config, opts, args):
args = decargs(args)
mods = [a for a in args if '=' in a]
query = [a for a in args if '=' not in a]
if not mods:
raise ui.UserError('no modifications specified')
write = opts.write if opts.write is not None else \
ui.config_val(config, 'beets', 'import_write',
DEFAULT_IMPORT_WRITE, bool)
color = ui.config_val(config, 'beets', 'color', DEFAULT_COLOR, bool)
modify_items(lib, mods, query, write, opts.move, opts.album, color,
not opts.yes)
def _do_query(lib, query, album, also_items=True):
"""For commands that operate on matched items, performs a query
and returns a list of matching items and a list of matching
albums. (The latter is only nonempty when album is True.) Raises
a UserError if no items match. also_items controls whether, when
fetching albums, the associated items should be fetched also.
"""
if album:
albums = list(lib.albums(query))
items = []
if also_items:
for al in albums:
items += al.items()
else:
albums = []
items = list(lib.items(query))
if album and not albums:
raise ui.UserError('No matching albums found.')
elif not album and not items:
raise ui.UserError('No matching items found.')
return items, albums
def import_files(lib, paths, copy, write, autot, logpath, art, threaded,
color, delete, quiet, resume, quiet_fallback, singletons,
timid, query, incremental, ignore):
"""Import the files in the given list of paths, tagging each leaf
directory as an album. If copy, then the files are copied into
the library folder. If write, then new metadata is written to the
files themselves. If not autot, then just import the files
without attempting to tag. If logpath is provided, then untaggable
albums will be logged there. If art, then attempt to download
cover art for each album. If threaded, then accelerate autotagging
imports by running them in multiple threads. If color, then
ANSI-colorize some terminal output. If delete, then old files are
deleted when they are copied. If quiet, then the user is
never prompted for input; instead, the tagger just skips anything
it is not confident about. resume indicates whether interrupted
imports can be resumed and is either a boolean or None.
quiet_fallback should be either ASIS or SKIP and indicates what
should happen in quiet mode when the recommendation is not strong.
"""
# Check the user-specified directories.
for path in paths:
if not singletons and not os.path.isdir(syspath(path)):
raise ui.UserError('not a directory: ' + path)
elif singletons and not os.path.exists(syspath(path)):
raise ui.UserError('no such file: ' + path)
# Check parameter consistency.
if quiet and timid:
raise ui.UserError("can't be both quiet and timid")
# Open the log.
if logpath:
logpath = normpath(logpath)
try:
logfile = open(syspath(logpath), 'a')
except IOError:
raise ui.UserError(u"could not open log file for writing: %s" %
displayable_path(logpath))
print >>logfile, 'import started', time.asctime()
else:
logfile = None
# Never ask for input in quiet mode.
if resume is None and quiet:
resume = False
try:
# Perform the import.
importer.run_import(
lib = lib,
paths = paths,
resume = resume,
logfile = logfile,
color = color,
quiet = quiet,
quiet_fallback = quiet_fallback,
copy = copy,
write = write,
art = art,
delete = delete,
threaded = threaded,
autot = autot,
choose_match_func = choose_match,
should_resume_func = should_resume,
singletons = singletons,
timid = timid,
choose_item_func = choose_item,
query = query,
incremental = incremental,
ignore = ignore,
resolve_duplicate_func = resolve_duplicate,
)
finally:
# If we were logging, close the file.
if logfile:
print >>logfile, ''
logfile.close()
# Emit event.
plugins.send('import', lib=lib, paths=paths)