# This file is part of beets. # Copyright 2011, Adrian Sampson. # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. """This module provides the default commands for beets' command-line interface. """ from __future__ import with_statement # Python 2.5 import logging import sys import os import time import itertools import re from lib.beets import ui from lib.beets.ui import print_, decargs from lib.beets import autotag import lib.beets.autotag.art from lib.beets import plugins from lib.beets import importer from lib.beets.util import syspath, normpath, ancestry, displayable_path from lib.beets.util.functemplate import Template from lib.beets import library # Global logger. log = logging.getLogger('beets') # The list of default subcommands. This is populated with Subcommand # objects that can be fed to a SubcommandsOptionParser. default_commands = [] # Utility. 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 FLOAT_EPSILON = 0.01 def _showdiff(field, oldval, newval, color): """Prints out a human-readable field difference line.""" # Considering floats incomparable for perfect equality, introduce # an epsilon tolerance. if isinstance(oldval, float) and isinstance(newval, float) and \ abs(oldval - newval) < FLOAT_EPSILON: return if newval != oldval: if color: oldval, newval = ui.colordiff(oldval, newval) else: oldval, newval = unicode(oldval), unicode(newval) print_(u' %s: %s -> %s' % (field, oldval, newval)) # import: Autotagger and importer. DEFAULT_IMPORT_COPY = True DEFAULT_IMPORT_WRITE = True DEFAULT_IMPORT_DELETE = False DEFAULT_IMPORT_AUTOT = True DEFAULT_IMPORT_TIMID = False DEFAULT_IMPORT_ART = True DEFAULT_IMPORT_QUIET = False DEFAULT_IMPORT_QUIET_FALLBACK = 'skip' DEFAULT_IMPORT_RESUME = None # "ask" DEFAULT_IMPORT_INCREMENTAL = False DEFAULT_THREADED = True DEFAULT_COLOR = True DEFAULT_IGNORE = [ '.*', '*~', ] VARIOUS_ARTISTS = u'Various Artists' PARTIAL_MATCH_MESSAGE = u'(partial match!)' # Importer utilities and support. def dist_string(dist, color): """Formats a distance (a float) as a similarity percentage string. The string is colorized if color is True. """ out = '%.1f%%' % ((1 - dist) * 100) if color: if dist <= autotag.STRONG_REC_THRESH: out = ui.colorize('green', out) elif dist <= autotag.MEDIUM_REC_THRESH: out = ui.colorize('yellow', out) else: out = ui.colorize('red', out) return out def show_change(cur_artist, cur_album, items, info, dist, color=True): """Print out a representation of the changes that will be made if tags are changed from (cur_artist, cur_album, items) to info with distance dist. """ def show_album(artist, album, partial=False): if artist: album_description = u' %s - %s' % (artist, album) elif album: album_description = u' %s' % album else: album_description = u' (unknown album)' # Add a suffix if this is a partial match. if partial: warning = PARTIAL_MATCH_MESSAGE else: warning = None if color and warning: warning = ui.colorize('yellow', warning) out = album_description if warning: out += u' ' + warning print_(out) # Record if the match is partial or not. partial_match = None in items # Identify the album in question. if cur_artist != info.artist or \ (cur_album != info.album and info.album != VARIOUS_ARTISTS): artist_l, artist_r = cur_artist or '', info.artist album_l, album_r = cur_album or '', info.album if artist_r == VARIOUS_ARTISTS: # Hide artists for VA releases. artist_l, artist_r = u'', u'' if color: artist_l, artist_r = ui.colordiff(artist_l, artist_r) album_l, album_r = ui.colordiff(album_l, album_r) print_("Correcting tags from:") show_album(artist_l, album_l) print_("To:") show_album(artist_r, album_r) else: message = u"Tagging: %s - %s" % (info.artist, info.album) if partial_match: warning = PARTIAL_MATCH_MESSAGE if color: warning = ui.colorize('yellow', PARTIAL_MATCH_MESSAGE) message += u' ' + warning print_(message) # Distance/similarity. print_('(Similarity: %s)' % dist_string(dist, color)) # Tracks. missing_tracks = [] for i, (item, track_info) in enumerate(zip(items, info.tracks)): if not item: missing_tracks.append((i, track_info)) continue # Get displayable LHS and RHS values. cur_track = unicode(item.track) new_track = unicode(i+1) cur_title = item.title new_title = track_info.title if item.length and track_info.length: cur_length = ui.human_seconds_short(item.length) new_length = ui.human_seconds_short(track_info.length) if color: cur_length = ui.colorize('red', cur_length) new_length = ui.colorize('red', new_length) # Possibly colorize changes. if color: cur_title, new_title = ui.colordiff(cur_title, new_title) if cur_track != new_track: cur_track = ui.colorize('red', cur_track) new_track = ui.colorize('red', new_track) # Show filename (non-colorized) when title is not set. if not item.title.strip(): cur_title = displayable_path(os.path.basename(item.path)) if cur_title != new_title: lhs, rhs = cur_title, new_title if cur_track != new_track: lhs += u' (%s)' % cur_track rhs += u' (%s)' % new_track print_(u" * %s -> %s" % (lhs, rhs)) else: line = u' * %s' % item.title display = False if cur_track != new_track: display = True line += u' (%s -> %s)' % (cur_track, new_track) if item.length and track_info.length and \ abs(item.length - track_info.length) > 2.0: display = True line += u' (%s -> %s)' % (cur_length, new_length) if display: print_(line) for i, track_info in missing_tracks: line = u' * Missing track: %s (%d)' % (track_info.title, i+1) if color: line = ui.colorize('yellow', line) print_(line) def show_item_change(item, info, dist, color): """Print out the change that would occur by tagging `item` with the metadata from `info`. """ cur_artist, new_artist = item.artist, info.artist cur_title, new_title = item.title, info.title if cur_artist != new_artist or cur_title != new_title: if color: cur_artist, new_artist = ui.colordiff(cur_artist, new_artist) cur_title, new_title = ui.colordiff(cur_title, new_title) print_("Correcting track tags from:") print_(" %s - %s" % (cur_artist, cur_title)) print_("To:") print_(" %s - %s" % (new_artist, new_title)) else: print_("Tagging track: %s - %s" % (cur_artist, cur_title)) print_('(Similarity: %s)' % dist_string(dist, color)) def should_resume(config, path): return ui.input_yn("Import of the directory:\n%s" "\nwas interrupted. Resume (Y/n)?" % path) def _quiet_fall_back(config): """Show the user that the default action is being taken because we're in quiet mode and the recommendation is not strong. """ if config.quiet_fallback == importer.action.SKIP: print_('Skipping.') elif config.quiet_fallback == importer.action.ASIS: print_('Importing as-is.') else: assert(False) return config.quiet_fallback def choose_candidate(candidates, singleton, rec, color, timid, cur_artist=None, cur_album=None, item=None): """Given a sorted list of candidates, ask the user for a selection of which candidate to use. Applies to both full albums and singletons (tracks). For albums, the candidates are `(dist, items, info)` triples and `cur_artist` and `cur_album` must be provided. For singletons, the candidates are `(dist, info)` pairs and `item` must be provided. Returns the result of the choice, which may SKIP, ASIS, TRACKS, or MANUAL or a candidate. For albums, a candidate is a `(info, items)` pair; for items, it is just a TrackInfo object. """ # Sanity check. if singleton: assert item is not None else: assert cur_artist is not None assert cur_album is not None # Zero candidates. if not candidates: print_("No match found.") if singleton: opts = ('Use as-is', 'Skip', 'Enter search', 'enter Id', 'aBort') else: opts = ('Use as-is', 'as Tracks', 'Skip', 'Enter search', 'enter Id', 'aBort') sel = ui.input_options(opts, color=color) if sel == 'u': return importer.action.ASIS elif sel == 't': assert not singleton return importer.action.TRACKS elif sel == 'e': return importer.action.MANUAL elif sel == 's': return importer.action.SKIP elif sel == 'b': raise importer.ImportAbort() elif sel == 'i': return importer.action.MANUAL_ID else: assert False # Is the change good enough? bypass_candidates = False if rec != autotag.RECOMMEND_NONE: if singleton: dist, info = candidates[0] else: dist, items, info = candidates[0] bypass_candidates = True while True: # Display and choose from candidates. if not bypass_candidates: # Display list of candidates. if singleton: print_('Finding tags for track "%s - %s".' % (item.artist, item.title)) print_('Candidates:') for i, (dist, info) in enumerate(candidates): print_('%i. %s - %s (%s)' % (i+1, info.artist, info.title, dist_string(dist, color))) else: print_('Finding tags for album "%s - %s".' % (cur_artist, cur_album)) print_('Candidates:') for i, (dist, items, info) in enumerate(candidates): line = '%i. %s - %s' % (i+1, info.artist, info.album) # Label and year disambiguation, if available. label, year = None, None if info.label: label = info.label if info.year: year = unicode(info.year) if label and year: line += u' [%s, %s]' % (label, year) elif label: line += u' [%s]' % label elif year: line += u' [%s]' % year line += ' (%s)' % dist_string(dist, color) # Point out the partial matches. if None in items: warning = PARTIAL_MATCH_MESSAGE if color: warning = ui.colorize('yellow', warning) line += u' %s' % warning print_(line) # Ask the user for a choice. if singleton: opts = ('Skip', 'Use as-is', 'Enter search', 'enter Id', 'aBort') else: opts = ('Skip', 'Use as-is', 'as Tracks', 'Enter search', 'enter Id', 'aBort') sel = ui.input_options(opts, numrange=(1, len(candidates)), color=color) if sel == 's': return importer.action.SKIP elif sel == 'u': return importer.action.ASIS elif sel == 'e': return importer.action.MANUAL elif sel == 't': assert not singleton return importer.action.TRACKS elif sel == 'b': raise importer.ImportAbort() elif sel == 'i': return importer.action.MANUAL_ID else: # Numerical selection. if singleton: dist, info = candidates[sel-1] else: dist, items, info = candidates[sel-1] bypass_candidates = False # Show what we're about to do. if singleton: show_item_change(item, info, dist, color) else: show_change(cur_artist, cur_album, items, info, dist, color) # Exact match => tag automatically if we're not in timid mode. if rec == autotag.RECOMMEND_STRONG and not timid: if singleton: return info else: return info, items # Ask for confirmation. if singleton: opts = ('Apply', 'More candidates', 'Skip', 'Use as-is', 'Enter search', 'enter Id', 'aBort') else: opts = ('Apply', 'More candidates', 'Skip', 'Use as-is', 'as Tracks', 'Enter search', 'enter Id', 'aBort') sel = ui.input_options(opts, color=color) if sel == 'a': if singleton: return info else: return info, items elif sel == 'm': pass elif sel == 's': return importer.action.SKIP elif sel == 'u': return importer.action.ASIS elif sel == 't': assert not singleton return importer.action.TRACKS elif sel == 'e': return importer.action.MANUAL elif sel == 'b': raise importer.ImportAbort() elif sel == 'i': return importer.action.MANUAL_ID def manual_search(singleton): """Input either an artist and album (for full albums) or artist and track name (for singletons) for manual search. """ artist = raw_input('Artist: ').decode(sys.stdin.encoding) name = raw_input('Track: ' if singleton else 'Album: ') \ .decode(sys.stdin.encoding) return artist.strip(), name.strip() def manual_id(singleton): """Input a MusicBrainz ID, either for an album ("release") or a track ("recording"). If no valid ID is entered, returns None. """ prompt = 'Enter MusicBrainz %s ID: ' % \ ('recording' if singleton else 'release') entry = raw_input(prompt).decode(sys.stdin.encoding).strip() # Find the first thing that looks like a UUID/MBID. match = re.search('[a-f0-9]{8}(-[a-f0-9]{4}){3}-[a-f0-9]{12}', entry) if match: return match.group() else: log.error('Invalid MBID.') return None def choose_match(task, config): """Given an initial autotagging of items, go through an interactive dance with the user to ask for a choice of metadata. Returns an (info, items) pair, ASIS, or SKIP. """ # Show what we're tagging. print_() print_(task.path) if config.quiet: # No input; just make a decision. if task.rec == autotag.RECOMMEND_STRONG: dist, items, info = task.candidates[0] show_change(task.cur_artist, task.cur_album, items, info, dist, config.color) return info, items else: return _quiet_fall_back(config) # Loop until we have a choice. candidates, rec = task.candidates, task.rec while True: # Ask for a choice from the user. choice = choose_candidate(candidates, False, rec, config.color, config.timid, task.cur_artist, task.cur_album) # Choose which tags to use. if choice in (importer.action.SKIP, importer.action.ASIS, importer.action.TRACKS): # Pass selection to main control flow. return choice elif choice is importer.action.MANUAL: # Try again with manual search terms. search_artist, search_album = manual_search(False) try: _, _, candidates, rec = \ autotag.tag_album(task.items, config.timid, search_artist, search_album) except autotag.AutotagError: candidates, rec = None, None elif choice is importer.action.MANUAL_ID: # Try a manually-entered ID. search_id = manual_id(False) if search_id: try: _, _, candidates, rec = \ autotag.tag_album(task.items, config.timid, search_id=search_id) except autotag.AutotagError: candidates, rec = None, None else: # We have a candidate! Finish tagging. Here, choice is # an (info, items) pair as desired. assert not isinstance(choice, importer.action) return choice def choose_item(task, config): """Ask the user for a choice about tagging a single item. Returns either an action constant or a TrackInfo object. """ print_() print_(task.item.path) candidates, rec = task.item_match if config.quiet: # Quiet mode; make a decision. if rec == autotag.RECOMMEND_STRONG: dist, track_info = candidates[0] show_item_change(task.item, track_info, dist, config.color) return track_info else: return _quiet_fall_back(config) while True: # Ask for a choice. choice = choose_candidate(candidates, True, rec, config.color, config.timid, item=task.item) if choice in (importer.action.SKIP, importer.action.ASIS): return choice elif choice == importer.action.TRACKS: assert False # TRACKS is only legal for albums. elif choice == importer.action.MANUAL: # Continue in the loop with a new set of candidates. search_artist, search_title = manual_search(True) candidates, rec = autotag.tag_item(task.item, config.timid, search_artist, search_title) elif choice == importer.action.MANUAL_ID: # Ask for a track ID. search_id = manual_id(True) if search_id: candidates, rec = autotag.tag_item(task.item, config.timid, search_id=search_id) else: # Chose a candidate. assert not isinstance(choice, importer.action) return choice def resolve_duplicate(task, config): """Decide what to do when a new album or item seems similar to one that's already in the library. """ log.warn("This %s is already in the library!" % ("album" if task.is_album else "item")) if config.quiet: # In quiet mode, don't prompt -- just skip. log.info('Skipping.') sel = 's' else: sel = ui.input_options( ('Skip new', 'Keep both', 'Remove old'), color=config.color ) if sel == 's': # Skip new. task.set_choice(importer.action.SKIP) elif sel == 'k': # Keep both. Do nothing; leave the choice intact. pass elif sel == 'r': # Remove old. task.remove_duplicates = True else: assert False # The import command. 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) import_cmd = ui.Subcommand('import', help='import new music', aliases=('imp', 'im')) import_cmd.parser.add_option('-c', '--copy', action='store_true', default=None, help="copy tracks into library directory (default)") import_cmd.parser.add_option('-C', '--nocopy', action='store_false', dest='copy', help="don't copy tracks (opposite of -c)") import_cmd.parser.add_option('-w', '--write', action='store_true', default=None, help="write new metadata to files' tags (default)") import_cmd.parser.add_option('-W', '--nowrite', action='store_false', dest='write', help="don't write metadata (opposite of -w)") import_cmd.parser.add_option('-a', '--autotag', action='store_true', dest='autotag', help="infer tags for imported files (default)") import_cmd.parser.add_option('-A', '--noautotag', action='store_false', dest='autotag', help="don't infer tags for imported files (opposite of -a)") import_cmd.parser.add_option('-p', '--resume', action='store_true', default=None, help="resume importing if interrupted") import_cmd.parser.add_option('-P', '--noresume', action='store_false', dest='resume', help="do not try to resume importing") import_cmd.parser.add_option('-r', '--art', action='store_true', default=None, help="try to download album art") import_cmd.parser.add_option('-R', '--noart', action='store_false', dest='art', help="don't album art (opposite of -r)") import_cmd.parser.add_option('-q', '--quiet', action='store_true', dest='quiet', help="never prompt for input: skip albums instead") import_cmd.parser.add_option('-l', '--log', dest='logpath', help='file to log untaggable albums for later review') import_cmd.parser.add_option('-s', '--singletons', action='store_true', help='import individual tracks instead of full albums') import_cmd.parser.add_option('-t', '--timid', dest='timid', action='store_true', help='always confirm all actions') import_cmd.parser.add_option('-L', '--library', dest='library', action='store_true', help='retag items matching a query') import_cmd.parser.add_option('-i', '--incremental', dest='incremental', action='store_true', help='skip already-imported directories') def import_func(lib, config, opts, args): copy = opts.copy if opts.copy is not None else \ ui.config_val(config, 'beets', 'import_copy', DEFAULT_IMPORT_COPY, bool) write = opts.write if opts.write is not None else \ ui.config_val(config, 'beets', 'import_write', DEFAULT_IMPORT_WRITE, bool) delete = ui.config_val(config, 'beets', 'import_delete', DEFAULT_IMPORT_DELETE, bool) autot = opts.autotag if opts.autotag is not None else DEFAULT_IMPORT_AUTOT art = opts.art if opts.art is not None else \ ui.config_val(config, 'beets', 'import_art', DEFAULT_IMPORT_ART, bool) threaded = ui.config_val(config, 'beets', 'threaded', DEFAULT_THREADED, bool) color = ui.config_val(config, 'beets', 'color', DEFAULT_COLOR, bool) quiet = opts.quiet if opts.quiet is not None else DEFAULT_IMPORT_QUIET quiet_fallback_str = ui.config_val(config, 'beets', 'import_quiet_fallback', DEFAULT_IMPORT_QUIET_FALLBACK) singletons = opts.singletons timid = opts.timid if opts.timid is not None else \ ui.config_val(config, 'beets', 'import_timid', DEFAULT_IMPORT_TIMID, bool) logpath = opts.logpath if opts.logpath is not None else \ ui.config_val(config, 'beets', 'import_log', None) incremental = opts.incremental if opts.incremental is not None else \ ui.config_val(config, 'beets', 'import_incremental', DEFAULT_IMPORT_INCREMENTAL, bool) ignore = ui.config_val(config, 'beets', 'ignore', DEFAULT_IGNORE, list) # Resume has three options: yes, no, and "ask" (None). resume = opts.resume if opts.resume is not None else \ ui.config_val(config, 'beets', 'import_resume', DEFAULT_IMPORT_RESUME) if isinstance(resume, basestring): if resume.lower() in ('yes', 'true', 't', 'y', '1'): resume = True elif resume.lower() in ('no', 'false', 'f', 'n', '0'): resume = False else: resume = None if quiet_fallback_str == 'asis': quiet_fallback = importer.action.ASIS else: quiet_fallback = importer.action.SKIP if opts.library: query = args paths = [] else: query = None paths = args import_files(lib, paths, copy, write, autot, logpath, art, threaded, color, delete, quiet, resume, quiet_fallback, singletons, timid, query, incremental, ignore) import_cmd.func = import_func default_commands.append(import_cmd) # list: Query and show library contents. def list_items(lib, query, album, path, fmt): """Print out items in lib matching query. If album, then search for albums instead of single items. If path, print the matched objects' paths instead of human-readable information about them. """ if fmt is None: # If no specific template is supplied, use a default. if album: fmt = u'$albumartist - $album' else: fmt = u'$artist - $album - $title' template = Template(fmt) if album: for album in lib.albums(query): if path: print_(album.item_dir()) elif fmt is not None: print_(template.substitute(album._record)) else: for item in lib.items(query): if path: print_(item.path) elif fmt is not None: print_(template.substitute(item.record)) list_cmd = ui.Subcommand('list', help='query the library', aliases=('ls',)) list_cmd.parser.add_option('-a', '--album', action='store_true', help='show matching albums instead of tracks') list_cmd.parser.add_option('-p', '--path', action='store_true', help='print paths for matched items or albums') list_cmd.parser.add_option('-f', '--format', action='store', help='print with custom format', default=None) def list_func(lib, config, opts, args): list_items(lib, decargs(args), opts.album, opts.path, opts.format) list_cmd.func = list_func default_commands.append(list_cmd) # update: Update library contents according to on-disk tags. 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() update_cmd = ui.Subcommand('update', help='update the library', aliases=('upd','up',)) update_cmd.parser.add_option('-a', '--album', action='store_true', help='show matching albums instead of tracks') update_cmd.parser.add_option('-M', '--nomove', action='store_false', default=True, dest='move', help="don't move files in library") update_cmd.parser.add_option('-p', '--pretend', action='store_true', help="show all changes but do nothing") def update_func(lib, config, opts, args): color = ui.config_val(config, 'beets', 'color', DEFAULT_COLOR, bool) update_items(lib, decargs(args), opts.album, opts.move, color, opts.pretend) update_cmd.func = update_func default_commands.append(update_cmd) # remove: Remove items from library, delete files. def remove_items(lib, query, album, delete=False): """Remove items matching query from lib. If album, then match and remove whole albums. If delete, also remove files from disk. """ # Get the matching items. items, albums = _do_query(lib, query, album) # Show all the items. for item in items: print_(item.artist + ' - ' + item.album + ' - ' + item.title) # Confirm with user. print_() if delete: prompt = 'Really DELETE %i files (y/n)?' % len(items) else: prompt = 'Really remove %i items from the library (y/n)?' % \ len(items) if not ui.input_yn(prompt, True): return # Remove (and possibly delete) items. if album: for al in albums: al.remove(delete) else: for item in items: lib.remove(item, delete) lib.save() remove_cmd = ui.Subcommand('remove', help='remove matching items from the library', aliases=('rm',)) remove_cmd.parser.add_option("-d", "--delete", action="store_true", help="also remove files from disk") remove_cmd.parser.add_option('-a', '--album', action='store_true', help='match albums instead of tracks') def remove_func(lib, config, opts, args): remove_items(lib, decargs(args), opts.album, opts.delete) remove_cmd.func = remove_func default_commands.append(remove_cmd) # stats: Show library/query statistics. def show_stats(lib, query): """Shows some statistics about the matched items.""" items = lib.items(query) total_size = 0 total_time = 0.0 total_items = 0 artists = set() albums = set() for item in items: #fixme This is approximate, so people might complain that # this total size doesn't match "du -sh". Could fix this # by putting total file size in the database. total_size += int(item.length * item.bitrate / 8) total_time += item.length total_items += 1 artists.add(item.artist) albums.add(item.album) print_("""Tracks: %i Total time: %s Total size: %s Artists: %i Albums: %i""" % ( total_items, ui.human_seconds(total_time), ui.human_bytes(total_size), len(artists), len(albums) )) stats_cmd = ui.Subcommand('stats', help='show statistics about the library or a query') def stats_func(lib, config, opts, args): show_stats(lib, decargs(args)) stats_cmd.func = stats_func default_commands.append(stats_cmd) # version: Show current beets version. def show_version(lib, config, opts, args): print 'beets version %s' % lib.beets.__version__ # Show plugins. names = [] for plugin in plugins.find_plugins(): modname = plugin.__module__ names.append(modname.split('.')[-1]) if names: print 'plugins:', ', '.join(names) else: print 'no plugins loaded' version_cmd = ui.Subcommand('version', help='output version information') version_cmd.func = show_version default_commands.append(version_cmd) # modify: Declaratively change metadata. 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() modify_cmd = ui.Subcommand('modify', help='change metadata fields', aliases=('mod',)) modify_cmd.parser.add_option('-M', '--nomove', action='store_false', default=True, dest='move', help="don't move files in library") modify_cmd.parser.add_option('-w', '--write', action='store_true', default=None, help="write new metadata to files' tags (default)") modify_cmd.parser.add_option('-W', '--nowrite', action='store_false', dest='write', help="don't write metadata (opposite of -w)") modify_cmd.parser.add_option('-a', '--album', action='store_true', help='modify whole albums instead of tracks') modify_cmd.parser.add_option('-y', '--yes', action='store_true', help='skip confirmation') 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) modify_cmd.func = modify_func default_commands.append(modify_cmd) # move: Move/copy files to the library or a new base directory. def move_items(lib, dest, query, copy, album): """Moves or copies items to a new base directory, given by dest. If dest is None, then the library's base directory is used, making the command "consolidate" files. """ items, albums = _do_query(lib, query, album, False) objs = albums if album else items action = 'Copying' if copy else 'Moving' entity = 'album' if album else 'item' logging.info('%s %i %ss.' % (action, len(objs), entity)) for obj in objs: old_path = obj.item_dir() if album else obj.path logging.debug('moving: %s' % old_path) if album: obj.move(copy, basedir=dest) else: lib.move(obj, copy, basedir=dest) lib.store(obj) lib.save() move_cmd = ui.Subcommand('move', help='move or copy items', aliases=('mv',)) move_cmd.parser.add_option('-d', '--dest', metavar='DIR', dest='dest', help='destination directory') move_cmd.parser.add_option('-c', '--copy', default=False, action='store_true', help='copy instead of moving') move_cmd.parser.add_option('-a', '--album', default=False, action='store_true', help='match whole albums instead of tracks') 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) move_cmd.func = move_func default_commands.append(move_cmd)