コード例 #1
0
class Tagger(QtWidgets.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    _debug = False
    _no_restore = False

    def __init__(self, picard_args, unparsed_args, localedir, autoupdate):

        # Use the new fusion style from PyQt5 for a modern and consistent look
        # across all OSes.
        if not IS_MACOS:
            self.setStyle('Fusion')

        # Set the WM_CLASS to 'MusicBrainz-Picard' so desktop environments
        # can use it to look up the app
        super().__init__(['MusicBrainz-Picard'] + unparsed_args)
        self.__class__.__instance = self
        config._setup(self, picard_args.config_file)

        super().setStyleSheet(
            'QGroupBox::title { /* PICARD-1206, Qt bug workaround */ }')

        self._cmdline_files = picard_args.FILE
        self.autoupdate_enabled = autoupdate
        self._no_restore = picard_args.no_restore
        self._no_plugins = picard_args.no_plugins

        self.set_log_level(config.setting['log_verbosity'])

        if picard_args.debug or "PICARD_DEBUG" in os.environ:
            self.set_log_level(logging.DEBUG)

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Provide a separate thread pool for operations that should not be
        # delayed by longer background processing tasks, e.g. because the user
        # expects instant feedback instead of waiting for a long list of
        # operations to finish.
        self.priority_thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        if not IS_WIN:
            # Set up signal handling
            # It's not possible to call all available functions from signal
            # handlers, therefore we need to set up a QSocketNotifier to listen
            # on a socket. Sending data through a socket can be done in a
            # signal handler, so we use the socket to notify the application of
            # the signal.
            # This code is adopted from
            # https://qt-project.org/doc/qt-4.8/unix-signals.html

            # To not make the socket module a requirement for the Windows
            # installer, import it here and not globally
            import socket
            self.signalfd = socket.socketpair(socket.AF_UNIX,
                                              socket.SOCK_STREAM, 0)

            self.signalnotifier = QtCore.QSocketNotifier(
                self.signalfd[1].fileno(), QtCore.QSocketNotifier.Read, self)
            self.signalnotifier.activated.connect(self.sighandler)

            signal.signal(signal.SIGHUP, self.signal)
            signal.signal(signal.SIGINT, self.signal)
            signal.signal(signal.SIGTERM, self.signal)

        if IS_MACOS:
            # On macOS it is not common that the global menu shows icons
            self.setAttribute(QtCore.Qt.AA_DontShowIconsInMenus)

        # Setup logging
        log.debug("Starting Picard from %r", os.path.abspath(__file__))
        log.debug("Platform: %s %s %s", platform.platform(),
                  platform.python_implementation(), platform.python_version())
        log.debug("Versions: %s", versions.as_string())
        log.debug("Configuration file path: %r", config.config.fileName())

        log.debug("User directory: %r", os.path.abspath(USER_DIR))

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        # Must be before config upgrade because upgrade dialogs need to be
        # translated
        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        upgrade_config(config.config)

        self.webservice = WebService()
        self.mb_api = MBAPIHelper(self.webservice)
        self.acoustid_api = AcoustIdAPIHelper(self.webservice)

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if not self._no_plugins:
            if IS_FROZEN:
                self.pluginmanager.load_plugins_from_directory(
                    os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
            else:
                mydir = os.path.dirname(os.path.abspath(__file__))
                self.pluginmanager.load_plugins_from_directory(
                    os.path.join(mydir, "plugins"))

            if not os.path.exists(USER_PLUGIN_DIR):
                os.makedirs(USER_PLUGIN_DIR)
            self.pluginmanager.load_plugins_from_directory(USER_PLUGIN_DIR)

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unclustered_files = UnclusteredFiles()
        self.nats = None
        self.window = MainWindow()
        self.exit_cleanup = []
        self.stopping = False

        # Load release version information
        if self.autoupdate_enabled:
            self.updatecheckmanager = UpdateCheckManager(parent=self.window)

    def register_cleanup(self, func):
        self.exit_cleanup.append(func)

    def run_cleanup(self):
        for f in self.exit_cleanup:
            f()

    def set_log_level(self, level):
        self._debug = level == logging.DEBUG
        log.set_level(level)

    def mb_login(self, callback, parent=None):
        scopes = "profile tag rating collection submit_isrc submit_barcode"
        authorization_url = self.webservice.oauth_manager.get_authorization_url(
            scopes)
        webbrowser2.open(authorization_url)
        if not parent:
            parent = self.window
        authorization_code, ok = QtWidgets.QInputDialog.getText(
            parent, _("MusicBrainz Account"), _("Authorization code:"))
        if ok:
            self.webservice.oauth_manager.exchange_authorization_code(
                authorization_code, scopes,
                partial(self.on_mb_authorization_finished, callback))
        else:
            callback(False)

    def on_mb_authorization_finished(self, callback, successful=False):
        if successful:
            self.webservice.oauth_manager.fetch_username(
                partial(self.on_mb_login_finished, callback))
        else:
            callback(False)

    @classmethod
    def on_mb_login_finished(self, callback, successful):
        if successful:
            load_user_collections()
        callback(successful)

    def mb_logout(self):
        self.webservice.oauth_manager.revoke_tokens()
        load_user_collections()

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(
            partial(album.match_files, [file], recordingid=recordingid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
            self.nats.item.setExpanded(True)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        if self.stopping:
            return
        self.stopping = True
        log.debug("Picard stopping")
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.save_thread_pool.waitForDone()
        self.priority_thread_pool.waitForDone()
        self.browser_integration.stop()
        self.webservice.stop()
        self.run_cleanup()
        QtCore.QCoreApplication.processEvents()

    def _run_init(self):
        if self._cmdline_files:
            files = []
            for file in self._cmdline_files:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._cmdline_files

    def run(self):
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            self.add_files([event.file()])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return super().event(event)

    def _file_loaded(self, file, target=None):
        if file is None or file.has_error():
            return

        if target is not None:
            self.move_files([file], target)
            return

        if not config.setting["ignore_file_mbids"]:
            recordingid = file.metadata['musicbrainz_recordingid']
            is_valid_recordingid = mbid_validate(recordingid)

            albumid = file.metadata['musicbrainz_albumid']
            is_valid_albumid = mbid_validate(albumid)

            if is_valid_albumid and is_valid_recordingid:
                log.debug(
                    "%r has release (%s) and recording (%s) MBIDs, moving to track...",
                    file, albumid, recordingid)
                self.move_file_to_track(file, albumid, recordingid)
                return

            if is_valid_albumid:
                log.debug("%r has only release MBID (%s), moving to album...",
                          file, albumid)
                self.move_file_to_album(file, albumid)
                return

            if is_valid_recordingid:
                log.debug(
                    "%r has only recording MBID (%s), moving to non-album track...",
                    file, recordingid)
                self.move_file_to_nat(file, recordingid)
                return

        # fallback on analyze if nothing else worked
        if config.setting['analyze_new_files'] and file.can_analyze():
            log.debug("Trying to analyze %r ...", file)
            self.analyze([file])

    def move_files(self, files, target):
        if target is None:
            log.debug("Aborting move since target is invalid")
            return
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        ignoreregex = None
        pattern = config.setting['ignore_regex']
        if pattern:
            ignoreregex = re.compile(pattern)
        ignore_hidden = config.setting["ignore_hidden_files"]
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if ignore_hidden and is_hidden(filename):
                log.debug("File ignored (hidden): %r" % (filename))
                continue
            # Ignore .smbdelete* files which Applie iOS SMB creates by renaming a file when it cannot delete it
            if os.path.basename(filename).startswith(".smbdelete"):
                log.debug("File ignored (.smbdelete): %r", filename)
                continue
            if ignoreregex is not None and ignoreregex.search(filename):
                log.info("File ignored (matching %r): %r" %
                         (pattern, filename))
                continue
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            log.debug("Adding files %r", new_files)
            new_files.sort(key=lambda x: x.filename)
            if target is None or target is self.unclustered_files:
                self.unclustered_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        if config.setting['recursively_add_files']:
            self._add_directory_recursive(path)
        else:
            self._add_directory_non_recursive(path)

    def _add_directory_recursive(self, path):
        ignore_hidden = config.setting["ignore_hidden_files"]
        walk = os.walk(path)

        def get_files():
            try:
                root, dirs, files = next(walk)
                if ignore_hidden:
                    dirs[:] = [
                        d for d in dirs if not is_hidden(os.path.join(root, d))
                    ]
            except StopIteration:
                return None
            else:
                number_of_files = len(files)
                if number_of_files:
                    mparms = {
                        'count': number_of_files,
                        'directory': root,
                    }
                    log.debug("Adding %(count)d files from '%(directory)r'" %
                              mparms)
                    self.window.set_statusbar_message(ngettext(
                        "Adding %(count)d file from '%(directory)s' ...",
                        "Adding %(count)d files from '%(directory)s' ...",
                        number_of_files),
                                                      mparms,
                                                      translate=None,
                                                      echo=None)
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def _add_directory_non_recursive(self, path):
        files = []
        for f in os.listdir(path):
            listing = os.path.join(path, f)
            if os.path.isfile(listing):
                files.append(listing)
        number_of_files = len(files)
        if number_of_files:
            mparms = {
                'count': number_of_files,
                'directory': path,
            }
            log.debug("Adding %(count)d files from '%(directory)r'" % mparms)
            self.window.set_statusbar_message(ngettext(
                "Adding %(count)d file from '%(directory)s' ...",
                "Adding %(count)d files from '%(directory)s' ...",
                number_of_files),
                                              mparms,
                                              translate=None,
                                              echo=None)
            # Function call only if files exist
            self.add_files(files)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def copy_files(self, objects):
        mimeData = QtCore.QMimeData()
        mimeData.setUrls([
            QtCore.QUrl.fromLocalFile(f.filename)
            for f in (self.get_files_from_objects(objects))
        ])
        self.clipboard().setMimeData(mimeData)

    def paste_files(self, target):
        mimeData = self.clipboard().mimeData()
        if mimeData.hasUrls():
            BaseTreeView.drop_urls(mimeData.urls(), target)

    def search(self,
               text,
               search_type,
               adv=False,
               mbid_matched_callback=None,
               force_browser=False):
        """Search on the MusicBrainz website."""
        search_types = {
            'track': {
                'entity': 'recording',
                'dialog': TrackSearchDialog
            },
            'album': {
                'entity': 'release',
                'dialog': AlbumSearchDialog
            },
            'artist': {
                'entity': 'artist',
                'dialog': ArtistSearchDialog
            },
        }
        if search_type not in search_types:
            return
        search = search_types[search_type]
        lookup = self.get_file_lookup()
        if config.setting["builtin_search"] and not force_browser:
            if not lookup.mbid_lookup(
                    text,
                    search['entity'],
                    mbid_matched_callback=mbid_matched_callback):
                dialog = search['dialog'](self.window)
                dialog.search(text)
                dialog.exec_()
        else:
            lookup.search_entity(search['entity'],
                                 text,
                                 adv,
                                 mbid_matched_callback=mbid_matched_callback)

    def collection_lookup(self):
        """Lookup the users collections on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        lookup.collection_lookup(config.persist["oauth_username"])

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, DataObject):
            itemid = item.id
            if isinstance(item, Track):
                lookup.recording_lookup(itemid)
            elif isinstance(item, Album):
                lookup.album_lookup(itemid)
        else:
            lookup.tag_lookup(
                metadata["albumartist"]
                if item.is_album_like() else metadata["artist"],
                metadata["album"], metadata["title"], metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, album_id, discid=None):
        album_id = self.mbid_redirects.get(album_id, album_id)
        album = self.albums.get(album_id)
        if album:
            log.debug("Album %s already loaded.", album_id)
            album.add_discid(discid)
            return album
        album = Album(album_id, discid=discid)
        self.albums[album_id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, nat_id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(nat_id)
        if nat:
            log.debug("NAT %s already loaded.", nat_id)
            return nat
        nat = NonAlbumTrack(nat_id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, nat_id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == nat_id:
                    return nat

    def get_release_group_by_id(self, rg_id):
        return self.release_groups.setdefault(rg_id, ReleaseGroup(rg_id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)
        run_album_post_removal_processors(album)

    def remove_nat(self, track):
        """Remove the specified non-album track."""
        log.debug("Removing %r", track)
        self.remove_files(self.get_files_from_objects([track]))
        self.nats.tracks.remove(track)
        if not self.nats.tracks:
            self.remove_album(self.nats)
        else:
            self.nats.update(True)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, NonAlbumTrack):
                self.remove_nat(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album) and not isinstance(obj, NatAlbum):
                self.window.set_statusbar_message(
                    N_("Removing album %(id)s: %(artist)s - %(album)s"), {
                        'id': obj.id,
                        'artist': obj.metadata['albumartist'],
                        'album': obj.metadata['album']
                    })
                self.remove_album(obj)
            elif isinstance(obj, UnclusteredFiles):
                files.extend(list(obj.files))
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtWidgets.QMessageBox.critical(
                self.window, _("CD Lookup Error"),
                _("Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtWidgets.QAction):
            device = action.data()
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(partial(disc.read, encode_filename(device)),
                        partial(self._lookup_disc, disc),
                        traceback=self._debug)

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        if not self.use_acoustid:
            return
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            self._acoustid.analyze(
                file, partial(file._lookup_finished, File.LOOKUP_ACOUSTID))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unclustered_files in objs:
            files = list(self.unclustered_files.files)
        else:
            files = self.get_files_from_objects(objs)
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files,
                               key=attrgetter('discnumber', 'tracknumber',
                                              'base_filename')):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        super().setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        super().restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if obj.can_refresh():
                obj.load(priority=True, refresh=True)

    def bring_tagger_front(self):
        self.window.setWindowState(self.window.windowState()
                                   & ~QtCore.Qt.WindowMinimized
                                   | QtCore.Qt.WindowActive)
        self.window.raise_()
        self.window.activateWindow()

    @classmethod
    def instance(cls):
        return cls.__instance

    def signal(self, signum, frame):
        log.debug("signal %i received", signum)
        # Send a notification about a received signal from the signal handler
        # to Qt.
        self.signalfd[0].sendall(b"a")

    def sighandler(self):
        self.signalnotifier.setEnabled(False)
        self.exit()
        self.quit()
        self.signalnotifier.setEnabled(True)
コード例 #2
0
ファイル: tagger.py プロジェクト: kepstin/picard
class Tagger(QtGui.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        # Setup logging
        if debug or "PICARD_DEBUG" in os.environ:
            log.log_levels = log.log_levels|log.LOG_DEBUG
        log.debug("Starting Picard %s from %r", picard.__version__, os.path.abspath(__file__))

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            log.info("Moving %s to %s", olduserdir, USER_DIR)
            try:
                shutil.move(olduserdir, USER_DIR)
            except:
                pass

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        self._upgrade_config()

        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        self.xmlws = XmlWebService()

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(__file__), "plugins"))

        if not os.path.exists(USER_PLUGIN_DIR):
            os.makedirs(USER_PLUGIN_DIR)
        self.pluginmanager.load_plugindir(USER_PLUGIN_DIR)

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()

    def _upgrade_config(self):
        cfg = config._config

        # In version 1.0, the file naming formats for single and various
        # artist releases were merged.
        def upgrade_to_v1_0():
            def remove_va_file_naming_format(merge=True):
                if merge:
                    config.setting["file_naming_format"] = (
                        "$if($eq(%compilation%,1),\n$noop(Various Artist "
                        "albums)\n%s,\n$noop(Single Artist Albums)\n%s)" % (
                            config.setting["va_file_naming_format"].toString(),
                            config.setting["file_naming_format"]
                        ))
                config.setting.remove("va_file_naming_format")
                config.setting.remove("use_va_format")

            if ("va_file_naming_format" in config.setting and
                "use_va_format" in config.setting):

                if config.setting["use_va_format"].toBool():
                    remove_va_file_naming_format()
                    self.window.show_va_removal_notice()

                elif (config.setting["va_file_naming_format"].toString() !=
                      r"$if2(%albumartist%,%artist%)/%album%/$if($gt(%totaldis"
                      "cs%,1),%discnumber%-,)$num(%tracknumber%,2) %artist% - "
                      "%title%"):

                    if self.window.confirm_va_removal():
                        remove_va_file_naming_format(merge=False)
                    else:
                        remove_va_file_naming_format()
                else:
                    # default format, disabled
                    remove_va_file_naming_format(merge=False)

        cfg.register_upgrade_hook("1.0.0final0", upgrade_to_v1_0)

        cfg.run_upgrade_hooks()

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, trackid):
        """Move `file` to track `trackid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, trackid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, trackid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(trackid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        self.stopping = True
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.browser_integration.stop()
        self.xmlws.stop()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, file, target=None):
        if file is not None and not file.has_error():
            trackid = file.metadata['musicbrainz_trackid']
            if target is not None:
                self.move_files([file], target)
            elif not config.setting["ignore_file_mbids"]:
                albumid = file.metadata['musicbrainz_albumid']
                if mbid_validate(albumid):
                    if mbid_validate(trackid):
                        self.move_file_to_track(file, albumid, trackid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(trackid):
                    self.move_file_to_nat(file, trackid)
                elif config.setting['analyze_new_files'] and file.can_analyze():
                    self.analyze([file])
            elif config.setting['analyze_new_files'] and file.can_analyze():
                self.analyze([file])

    def move_files(self, files, target):
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        log.debug("Adding files %r", filenames)
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            if target is None or target is self.unmatched_files:
                self.unmatched_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        walk = os.walk(unicode(path))

        def get_files():
            try:
                root, dirs, files = walk.next()
            except StopIteration:
                return None
            else:
                self.window.set_statusbar_message(N_("Loading directory %s"), root)
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        albumid = metadata["musicbrainz_albumid"]
        trackid = metadata["musicbrainz_trackid"]
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, Track) and trackid:
            lookup.trackLookup(trackid)
        elif isinstance(item, Album) and albumid:
            lookup.albumLookup(albumid)
        else:
            lookup.tagLookup(
                metadata["albumartist"] if item.is_album_like() else metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def get_release_group_by_id(self, id):
        return self.release_groups.setdefault(id, ReleaseGroup(id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(self.window, _(u"CD Lookup Error"),
                _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtGui.QAction):
            device = unicode(action.text())
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            #rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(
            partial(disc.read, encode_filename(device)),
            partial(self._lookup_disc, disc))

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(file, partial(file._lookup_finished, 'acoustid'))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (
            cmp(a.discnumber, b.discnumber) or
            cmp(a.tracknumber, b.tracknumber) or
            cmp(a.base_filename, b.base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            obj.load()

    @classmethod
    def instance(cls):
        return cls.__instance
コード例 #3
0
ファイル: tagger.py プロジェクト: SRITANU/picard
class Tagger(QtGui.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate
        self._debug = False

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        if not sys.platform == "win32":
            # Set up signal handling
            # It's not possible to call all available functions from signal
            # handlers, therefore we need to set up a QSocketNotifier to listen
            # on a socket. Sending data through a socket can be done in a
            # signal handler, so we use the socket to notify the application of
            # the signal.
            # This code is adopted from
            # https://qt-project.org/doc/qt-4.8/unix-signals.html

            # To not make the socket module a requirement for the Windows
            # installer, import it here and not globally
            import socket
            self.signalfd = socket.socketpair(socket.AF_UNIX, socket.SOCK_STREAM, 0)

            self.signalnotifier = QtCore.QSocketNotifier(self.signalfd[1].fileno(),
                                                         QtCore.QSocketNotifier.Read, self)
            self.signalnotifier.activated.connect(self.sighandler)

            signal.signal(signal.SIGHUP, self.signal)
            signal.signal(signal.SIGINT, self.signal)
            signal.signal(signal.SIGTERM, self.signal)

        # Setup logging
        self.debug(debug or "PICARD_DEBUG" in os.environ)
        log.debug("Starting Picard %s from %r", picard.__version__, os.path.abspath(__file__))
        log.debug("Platform: %s %s %s", platform.platform(),
                  platform.python_implementation(), platform.python_version())
        if config.storage_type == config.REGISTRY_PATH:
            log.debug("Configuration registry path: %s", config.storage)
        else:
            log.debug("Configuration file path: %s", config.storage)

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            log.info("Moving %s to %s", olduserdir, USER_DIR)
            try:
                shutil.move(olduserdir, USER_DIR)
            except:
                pass
        log.debug("User directory: %s", os.path.abspath(USER_DIR))

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        # Must be before config upgrade because upgrade dialogs need to be
        # translated
        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        upgrade_config()

        self.xmlws = XmlWebService()

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            mydir = os.path.dirname(os.path.abspath(__file__))
            self.pluginmanager.load_plugindir(os.path.join(mydir, "plugins"))
            self.pluginmanager.load_plugindir(os.path.join(mydir, os.pardir, "contrib", "plugins"))

        if not os.path.exists(USER_PLUGIN_DIR):
            os.makedirs(USER_PLUGIN_DIR)
        self.pluginmanager.load_plugindir(USER_PLUGIN_DIR)

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()
        self.exit_cleanup = []

    def register_cleanup(self, func):
        self.exit_cleanup.append(func)

    def run_cleanup(self):
        for f in self.exit_cleanup:
            f()

    def debug(self, debug):
        if self._debug == debug:
            return
        if debug:
            log.log_levels = log.log_levels | log.LOG_DEBUG
            log.debug("Debug mode on")
        else:
            log.debug("Debug mode off")
            log.log_levels = log.log_levels & ~log.LOG_DEBUG
        self._debug = debug

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, recordingid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        log.debug("exit")
        self.stopping = True
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.browser_integration.stop()
        self.xmlws.stop()
        for f in self.exit_cleanup:
            f()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, file, target=None):
        if file is not None and not file.has_error():
            recordingid = file.metadata.getall('musicbrainz_recordingid')[0] \
                if 'musicbrainz_recordingid' in file.metadata else ''
            if target is not None:
                self.move_files([file], target)
            elif not config.setting["ignore_file_mbids"]:
                albumid = file.metadata.getall('musicbrainz_albumid')[0] \
                    if 'musicbrainz_albumid' in file.metadata else ''
                if mbid_validate(albumid):
                    if mbid_validate(recordingid):
                        self.move_file_to_track(file, albumid, recordingid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(recordingid):
                    self.move_file_to_nat(file, recordingid)
                elif config.setting['analyze_new_files'] and file.can_analyze():
                    self.analyze([file])
            elif config.setting['analyze_new_files'] and file.can_analyze():
                self.analyze([file])

    def move_files(self, files, target):
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        ignoreregex = None
        pattern = config.setting['ignore_regex']
        if pattern:
            ignoreregex = re.compile(pattern)
        ignore_hidden = not config.persist["show_hidden_files"]
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if ignore_hidden and is_hidden_path(filename):
                log.debug("File ignored (hidden): %s" % (filename))
                continue
            if ignoreregex is not None and ignoreregex.search(filename):
                log.info("File ignored (matching %s): %s" % (pattern, filename))
                continue
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            log.debug("Adding files %r", new_files)
            new_files.sort(key=lambda x: x.filename)
            if target is None or target is self.unmatched_files:
                self.unmatched_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        walk = os.walk(unicode(path))

        def get_files():
            try:
                root, dirs, files = walk.next()
            except StopIteration:
                return None
            else:
                number_of_files = len(files)
                if number_of_files:
                    mparms = {
                        'count': number_of_files,
                        'directory': root,
                    }
                    log.debug("Adding %(count)d files from '%(directory)s'" %
                              mparms)
                    self.window.set_statusbar_message(
                        ungettext(
                            "Adding %(count)d file from '%(directory)s' ...",
                            "Adding %(count)d files from '%(directory)s' ...",
                            number_of_files),
                        mparms,
                        translate=None,
                        echo=None
                    )
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def collection_lookup(self):
        """Lookup the users collections on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        lookup.collectionLookup(config.setting["username"])

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, DataObject):
            itemid = item.id
            if isinstance(item, Track):
                lookup.recordingLookup(itemid)
            elif isinstance(item, Album):
                lookup.albumLookup(itemid)
        else:
            lookup.tagLookup(
                metadata["albumartist"] if item.is_album_like() else metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            log.debug("Album %s already loaded.", id)
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            log.debug("NAT %s already loaded.", id)
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def get_release_group_by_id(self, id):
        return self.release_groups.setdefault(id, ReleaseGroup(id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.window.set_statusbar_message(
                    N_("Removing album %(id)s: %(artist)s - %(album)s"),
                    {
                        'id': obj.id,
                        'artist': obj.metadata['albumartist'],
                        'album': obj.metadata['album']
                    }
                )
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(self.window, _(u"CD Lookup Error"),
                                       _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtGui.QAction):
            device = unicode(action.text())
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(
            partial(disc.read, encode_filename(device)),
            partial(self._lookup_disc, disc))

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(file, partial(file._lookup_finished, 'acoustid'))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (
            cmp(a.discnumber, b.discnumber) or
            cmp(a.tracknumber, b.tracknumber) or
            cmp(a.base_filename, b.base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if obj.can_refresh():
                obj.load(priority=True, refresh=True)

    @classmethod
    def instance(cls):
        return cls.__instance

    def signal(self, signum, frame):
        log.debug("signal %i received", signum)
        # Send a notification about a received signal from the signal handler
        # to Qt.
        self.signalfd[0].sendall("a")

    def sighandler(self):
        self.signalnotifier.setEnabled(False)
        self.exit()
        self.quit()
        self.signalnotifier.setEnabled(True)
コード例 #4
0
class Tagger(QtGui.QApplication):

    file_state_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate
        self.config = Config()

        if sys.platform == "win32":
            userdir = os.environ.get("APPDATA", "~\\Application Data")
        else:
            userdir = os.environ.get("XDG_CONFIG_HOME", "~/.config")
        self.userdir = os.path.join(os.path.expanduser(userdir), "MusicBrainz",
                                    "Picard")

        # Initialize threading and allocate threads
        self.thread_pool = thread.ThreadPool(self)

        self.load_queue = queue.Queue()
        self.save_queue = queue.Queue()
        self.analyze_queue = queue.Queue()
        self.other_queue = queue.Queue()

        threads = self.thread_pool.threads
        threads.append(thread.Thread(self.thread_pool, self.load_queue))
        threads.append(thread.Thread(self.thread_pool, self.load_queue))
        threads.append(thread.Thread(self.thread_pool, self.save_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.analyze_queue))

        self.thread_pool.start()
        self.stopping = False

        # Setup logging
        if debug or "PICARD_DEBUG" in os.environ:
            self.log = log.DebugLog()
        else:
            self.log = log.Log()
        self.log.debug("Starting Picard %s from %r", picard.__version__,
                       os.path.abspath(__file__))

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            self.log.info("Moving %s to %s", olduserdir, self.userdir)
            try:
                shutil.move(olduserdir, self.userdir)
            except:
                pass

        QtCore.QObject.tagger = self
        QtCore.QObject.config = self.config
        QtCore.QObject.log = self.log

        check_io_encoding()

        self.setup_gettext(localedir)

        self.xmlws = XmlWebService()

        # Initialize fingerprinting
        self._ofa = musicdns.OFA()
        self._ofa.init()
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        self.user_plugin_dir = os.path.join(self.userdir, "plugins")
        if not os.path.exists(self.user_plugin_dir):
            os.makedirs(self.user_plugin_dir)
        self.pluginmanager.load_plugindir(self.user_plugin_dir)
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(
                os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            self.pluginmanager.load_plugindir(
                os.path.join(os.path.dirname(__file__), "plugins"))

        self.puidmanager = PUIDManager()
        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()

        def remove_va_file_naming_format(merge=True):
            if merge:
                self.config.setting["file_naming_format"] = \
                    "$if($eq(%compilation%,1),\n$noop(Various Artist albums)\n"+\
                    "%s,\n$noop(Single Artist Albums)\n%s)" %\
                    (self.config.setting["va_file_naming_format"].toString(),
                     self.config.setting["file_naming_format"])
            self.config.setting.remove("va_file_naming_format")
            self.config.setting.remove("use_va_format")

        if "va_file_naming_format" in self.config.setting\
                and "use_va_format" in self.config.setting:
            if self.config.setting["use_va_format"].toBool():
                remove_va_file_naming_format()
                self.window.show_va_removal_notice()
            elif self.config.setting["va_file_naming_format"].toString() !=\
                r"$if2(%albumartist%,%artist%)/%album%/$if($gt(%totaldiscs%,1),%discnumber%-,)$num(%tracknumber%,2) %artist% - %title%":
                if self.window.confirm_va_removal():
                    remove_va_file_naming_format(merge=False)
                else:
                    remove_va_file_naming_format()
            else:
                # default format, disabled
                remove_va_file_naming_format(merge=False)

    def setup_gettext(self, localedir):
        """Setup locales, load translations, install gettext functions."""
        if self.config.setting["ui_language"]:
            os.environ['LANGUAGE'] = ''
            os.environ['LANG'] = self.config.setting["ui_language"]
        if sys.platform == "win32":
            try:
                locale.setlocale(locale.LC_ALL, os.environ["LANG"])
            except KeyError:
                os.environ["LANG"] = locale.getdefaultlocale()[0]
                try:
                    locale.setlocale(locale.LC_ALL, "")
                except:
                    pass
            except:
                pass
        else:
            try:
                locale.setlocale(locale.LC_ALL, "")
            except:
                pass
        try:
            self.log.debug("Loading gettext translation, localedir=%r",
                           localedir)
            self.translation = gettext.translation("picard", localedir)
            self.translation.install(True)
            ungettext = self.translation.ungettext
        except IOError:
            __builtin__.__dict__['_'] = lambda a: a

            def ungettext(a, b, c):
                if c == 1: return a
                else: return b

        __builtin__.__dict__['ungettext'] = ungettext

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, trackid):
        """Move `file` to track `trackid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, trackid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, trackid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(trackid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        self.stopping = True
        self._ofa.done()
        self._acoustid.done()
        self.thread_pool.stop()
        self.browser_integration.stop()
        self.xmlws.stop()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, result=None, error=None):
        file = result
        if file is not None and error is None and not file.has_error():
            puid = file.metadata['musicip_puid']
            trackid = file.metadata['musicbrainz_trackid']
            self.puidmanager.add(puid, trackid)
            if not self.config.setting["ignore_file_mbids"]:
                albumid = file.metadata['musicbrainz_albumid']
                if mbid_validate(albumid):
                    if mbid_validate(trackid):
                        self.move_file_to_track(file, albumid, trackid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(trackid):
                    self.move_file_to_nat(file, trackid)
                elif self.config.setting['analyze_new_files']:
                    self.analyze([file])
            elif self.config.setting['analyze_new_files']:
                self.analyze([file])

    def add_files(self, filenames):
        """Add files to the tagger."""
        self.log.debug("Adding files %r", filenames)
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            self.unmatched_files.add_files(new_files)
            for file in new_files:
                file.load(self._file_loaded)

    def process_directory_listing(self, root, queue, result=None, error=None):
        try:
            # Read directory listing
            if result is not None and error is None:
                files = []
                directories = deque()
                try:
                    for path in result:
                        path = os.path.join(root, path)
                        if os.path.isdir(path):
                            directories.appendleft(path)
                        else:
                            try:
                                files.append(decode_filename(path))
                            except UnicodeDecodeError:
                                self.log.warning(
                                    "Failed to decode filename: %r", path)
                                continue
                finally:
                    if files:
                        self.add_files(files)
                    queue.extendleft(directories)
        finally:
            # Scan next directory in the queue
            try:
                path = queue.popleft()
            except IndexError:
                pass
            else:
                self.other_queue.put(
                    (partial(os.listdir, path),
                     partial(self.process_directory_listing, path,
                             queue), QtCore.Qt.LowEventPriority))

    def add_directory(self, path):
        path = encode_filename(path)
        self.other_queue.put((partial(os.listdir, path),
                              partial(self.process_directory_listing, path,
                                      deque()), QtCore.Qt.LowEventPriority))

    def get_file_by_id(self, id):
        """Get file by a file ID."""
        for file in self.files.itervalues():
            if file.id == id:
                return file
        return None

    def get_file_by_filename(self, filename):
        """Get file by a filename."""
        return self.files.get(filename, None)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, self.config.setting["server_host"],
                          self.config.setting["server_port"],
                          self.browser_integration.port)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        albumid = metadata["musicbrainz_albumid"]
        trackid = metadata["musicbrainz_trackid"]
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, Track) and trackid:
            lookup.trackLookup(trackid)
        elif isinstance(item, Album) and albumid:
            lookup.albumLookup(albumid)
        else:
            lookup.tagLookup(
                metadata["albumartist"]
                if item.is_album_like() else metadata["artist"],
                metadata["album"], metadata["title"], metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '',
                metadata["musicip_puid"])

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        files = set()
        for obj in objects:
            files.update(obj.iterfiles(save))
        return list(files)

    def _file_saved(self, result=None, error=None):
        if error is None:
            file, old_filename, new_filename = result
            del self.files[old_filename]
            self.files[new_filename] = file

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save(self._file_saved, self.tagger.config.setting)

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if self.files.has_key(file.filename):
                file.clear_lookup_task()
                self._ofa.stop_analyze(file)
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        self.log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            self.log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(
                self.window, _(u"CD Lookup Error"),
                _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action=None):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if action is None:
            device = self.config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            device = unicode(action.text())

        disc = Disc()
        self.set_wait_cursor()
        self.other_queue.put((partial(disc.read, encode_filename(device)),
                              partial(self._lookup_disc,
                                      disc), QtCore.Qt.LowEventPriority))

    def _lookup_puid(self, file, result=None, error=None):
        puid = result
        if file.state == File.PENDING:
            if puid:
                self.puidmanager.add(puid, None)
                file.metadata['musicip_puid'] = puid
                file.lookup_puid(puid)
            else:
                self.window.set_statusbar_message(
                    N_("Could not find PUID for file %s"), file.filename)
                file.clear_pending()

    @property
    def use_acoustid(self):
        return self.config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(
                    file, partial(file._lookup_finished, 'acoustid'))
            else:
                self._ofa.analyze(file, partial(self._lookup_puid, file))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if isinstance(obj, (File, Cluster)) and not obj.lookup_task:
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        self.log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (cmp(a.discnumber, b.discnumber) or cmp(
            a.tracknumber, b.tracknumber) or cmp(a.base_filename, b.
                                                 base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["artist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            obj.load()

    @classmethod
    def instance(cls):
        return cls.__instance

    def num_files(self):
        return len(self.files)

    def num_pending_files(self):
        return len([
            file for file in self.files.values() if file.state == File.PENDING
        ])
コード例 #5
0
ファイル: tagger.py プロジェクト: dukeyin/picard
class Tagger(QtGui.QApplication):

    file_state_changed = QtCore.pyqtSignal(int)
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate
        self.config = Config()

        if sys.platform == "win32":
            userdir = os.environ.get("APPDATA", "~\\Application Data")
        else:
            userdir = os.environ.get("XDG_CONFIG_HOME", "~/.config")
        self.userdir = os.path.join(os.path.expanduser(userdir), "MusicBrainz", "Picard")

        # Initialize threading and allocate threads
        self.thread_pool = thread.ThreadPool(self)

        self.load_queue = queue.Queue()
        self.save_queue = queue.Queue()
        self.analyze_queue = queue.Queue()
        self.other_queue = queue.Queue()

        threads = self.thread_pool.threads
        for i in range(4):
            threads.append(thread.Thread(self.thread_pool, self.load_queue))
        threads.append(thread.Thread(self.thread_pool, self.save_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.analyze_queue))

        self.thread_pool.start()
        self.stopping = False

        # Setup logging
        if debug or "PICARD_DEBUG" in os.environ:
            self.log = log.DebugLog()
        else:
            self.log = log.Log()
        self.log.debug("Starting Picard %s from %r", picard.__version__, os.path.abspath(__file__))

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            self.log.info("Moving %s to %s", olduserdir, self.userdir)
            try:
                shutil.move(olduserdir, self.userdir)
            except:
                pass

        QtCore.QObject.tagger = self
        QtCore.QObject.config = self.config
        QtCore.QObject.log = self.log

        check_io_encoding()

        self.setup_gettext(localedir)

        self.xmlws = XmlWebService()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        self.user_plugin_dir = os.path.join(self.userdir, "plugins")
        if not os.path.exists(self.user_plugin_dir):
            os.makedirs(self.user_plugin_dir)
        self.pluginmanager.load_plugindir(self.user_plugin_dir)
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(__file__), "plugins"))

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()

        def remove_va_file_naming_format(merge=True):
            if merge:
                self.config.setting["file_naming_format"] = \
                    "$if($eq(%compilation%,1),\n$noop(Various Artist albums)\n"+\
                    "%s,\n$noop(Single Artist Albums)\n%s)" %\
                    (self.config.setting["va_file_naming_format"].toString(),
                     self.config.setting["file_naming_format"])
            self.config.setting.remove("va_file_naming_format")
            self.config.setting.remove("use_va_format")

        if "va_file_naming_format" in self.config.setting\
                and "use_va_format" in self.config.setting:
            if self.config.setting["use_va_format"].toBool():
                remove_va_file_naming_format()
                self.window.show_va_removal_notice()
            elif self.config.setting["va_file_naming_format"].toString() !=\
                r"$if2(%albumartist%,%artist%)/%album%/$if($gt(%totaldiscs%,1),%discnumber%-,)$num(%tracknumber%,2) %artist% - %title%":
                    if self.window.confirm_va_removal():
                        remove_va_file_naming_format(merge=False)
                    else:
                        remove_va_file_naming_format()
            else:
                # default format, disabled
                remove_va_file_naming_format(merge=False)

    def setup_gettext(self, localedir):
        """Setup locales, load translations, install gettext functions."""
        ui_language = self.config.setting["ui_language"]
        if ui_language:
            os.environ['LANGUAGE'] = ''
            os.environ['LANG'] = ui_language
        if sys.platform == "win32":
            try:
                locale.setlocale(locale.LC_ALL, os.environ["LANG"])
            except KeyError:
                os.environ["LANG"] = locale.getdefaultlocale()[0]
                try:
                    locale.setlocale(locale.LC_ALL, "")
                except:
                    pass
            except:
                pass
        else:
            if sys.platform == "darwin" and not ui_language:
                try:
                    import Foundation
                    defaults = Foundation.NSUserDefaults.standardUserDefaults()
                    os.environ["LANG"] = defaults.objectForKey_("AppleLanguages")[0]
                except:
                    pass
            try:
                locale.setlocale(locale.LC_ALL, "")
            except:
                pass
        try:
            self.log.debug("Loading gettext translation, localedir=%r", localedir)
            self.translation = gettext.translation("picard", localedir)
            self.translation.install(True)
            ungettext = self.translation.ungettext
        except IOError:
            __builtin__.__dict__['_'] = lambda a: a
            def ungettext(a, b, c):
                if c == 1: return a
                else: return b
        __builtin__.__dict__['ungettext'] = ungettext

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, trackid):
        """Move `file` to track `trackid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, trackid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, trackid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(trackid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        self.stopping = True
        self._acoustid.done()
        self.thread_pool.stop()
        self.browser_integration.stop()
        self.xmlws.stop()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, target, result=None, error=None):
        file = result
        if file is not None and error is None and not file.has_error():
            trackid = file.metadata['musicbrainz_trackid']
            if target is not None:
                self.move_files([file], target)
            elif not self.config.setting["ignore_file_mbids"]:
                albumid = file.metadata['musicbrainz_albumid']
                if mbid_validate(albumid):
                    if mbid_validate(trackid):
                        self.move_file_to_track(file, albumid, trackid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(trackid):
                    self.move_file_to_nat(file, trackid)
                elif self.config.setting['analyze_new_files'] and file.can_analyze():
                    self.analyze([file])
            elif self.config.setting['analyze_new_files'] and file.can_analyze():
                self.analyze([file])

    def move_files(self, files, target):
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        self.log.debug("Adding files %r", filenames)
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            if target is None or target is self.unmatched_files:
                self.unmatched_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target))

    def add_directory(self, path):
        walk = os.walk(unicode(path))

        def get_files():
            try:
                root, dirs, files = walk.next()
            except StopIteration:
                return None
            else:
                self.window.set_statusbar_message(N_("Loading directory %s"), root)
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                self.other_queue.put((get_files, process, QtCore.Qt.LowEventPriority))

        process(True, False)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, self.config.setting["server_host"],
                          self.config.setting["server_port"],
                          self.browser_integration.port)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        albumid = metadata["musicbrainz_albumid"]
        trackid = metadata["musicbrainz_trackid"]
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, Track) and trackid:
            lookup.trackLookup(trackid)
        elif isinstance(item, Album) and albumid:
            lookup.albumLookup(albumid)
        else:
            lookup.tagLookup(
                metadata["albumartist"] if item.is_album_like() else metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        files = set()
        for obj in objects:
            files.update(obj.iterfiles(save))
        return list(files)

    def _file_saved(self, result=None, error=None):
        if error is None:
            file, old_filename, new_filename = result
            del self.files[old_filename]
            self.files[new_filename] = file

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save(self._file_saved, self.tagger.config.setting)

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def get_release_group_by_id(self, id):
        return self.release_groups.setdefault(id, ReleaseGroup(id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if self.files.has_key(file.filename):
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        self.log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            self.log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(self.window, _(u"CD Lookup Error"),
                _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtGui.QAction):
            device = unicode(action.text())
        else:
            device = self.config.setting["cd_lookup_device"].split(",", 1)[0]

        disc = Disc()
        self.set_wait_cursor()
        self.other_queue.put((
            partial(disc.read, encode_filename(device)),
            partial(self._lookup_disc, disc),
            QtCore.Qt.LowEventPriority))

    @property
    def use_acoustid(self):
        return self.config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(file, partial(file._lookup_finished, 'acoustid'))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if isinstance(obj, (File, Cluster)) and not obj.lookup_task:
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        self.log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (
            cmp(a.discnumber, b.discnumber) or
            cmp(a.tracknumber, b.tracknumber) or
            cmp(a.base_filename, b.base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["artist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            obj.load()

    @classmethod
    def instance(cls):
        return cls.__instance

    def num_files(self):
        return len(self.files)
コード例 #6
0
ファイル: tagger.py プロジェクト: navap/picard
class Tagger(QtGui.QApplication):

    file_state_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate
        self.config = Config()

        if sys.platform == "win32":
            userdir = os.environ.get("APPDATA", "~\\Application Data")
        else:
            userdir = os.environ.get("XDG_CONFIG_HOME", "~/.config")
        self.userdir = os.path.join(os.path.expanduser(userdir), "MusicBrainz", "Picard")

        # Initialize threading and allocate threads
        self.thread_pool = thread.ThreadPool(self)

        self.load_queue = queue.Queue()
        self.save_queue = queue.Queue()
        self.analyze_queue = queue.Queue()
        self.other_queue = queue.Queue()

        threads = self.thread_pool.threads
        threads.append(thread.Thread(self.thread_pool, self.load_queue))
        threads.append(thread.Thread(self.thread_pool, self.load_queue))
        threads.append(thread.Thread(self.thread_pool, self.save_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.other_queue))
        threads.append(thread.Thread(self.thread_pool, self.analyze_queue))

        self.thread_pool.start()
        self.stopping = False

        # Setup logging
        if debug or "PICARD_DEBUG" in os.environ:
            self.log = log.DebugLog()
        else:
            self.log = log.Log()
        self.log.debug("Starting Picard %s from %r", picard.__version__, os.path.abspath(__file__))

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            self.log.info("Moving %s to %s", olduserdir, self.userdir)
            try:
                shutil.move(olduserdir, self.userdir)
            except:
                pass

        QtCore.QObject.tagger = self
        QtCore.QObject.config = self.config
        QtCore.QObject.log = self.log

        self.setup_gettext(localedir)

        self.xmlws = XmlWebService()

        # Initialize fingerprinting
        self._ofa = musicdns.OFA()
        self._ofa.init()
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        self.user_plugin_dir = os.path.join(self.userdir, "plugins")
        if not os.path.exists(self.user_plugin_dir):
            os.makedirs(self.user_plugin_dir)
        self.pluginmanager.load_plugindir(self.user_plugin_dir)
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(__file__), "plugins"))

        self.puidmanager = PUIDManager()
        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()

    def setup_gettext(self, localedir):
        """Setup locales, load translations, install gettext functions."""
        if self.config.setting["ui_language"]:
            os.environ["LANGUAGE"] = ""
            os.environ["LANG"] = self.config.setting["ui_language"]
        if sys.platform == "win32":
            try:
                locale.setlocale(locale.LC_ALL, os.environ["LANG"])
            except KeyError:
                os.environ["LANG"] = locale.getdefaultlocale()[0]
                try:
                    locale.setlocale(locale.LC_ALL, "")
                except:
                    pass
            except:
                pass
        else:
            try:
                locale.setlocale(locale.LC_ALL, "")
            except:
                pass
        try:
            self.log.debug("Loading gettext translation, localedir=%r", localedir)
            self.translation = gettext.translation("picard", localedir)
            self.translation.install(True)
            ungettext = self.translation.ungettext
        except IOError:
            __builtin__.__dict__["_"] = lambda a: a

            def ungettext(a, b, c):
                if c == 1:
                    return a
                else:
                    return b

        __builtin__.__dict__["ungettext"] = ungettext

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, trackid):
        """Move `file` to track `trackid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, trackid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, trackid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(trackid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        self.stopping = True
        self._ofa.done()
        self._acoustid.done()
        self.thread_pool.stop()
        self.browser_integration.stop()
        self.xmlws.stop()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, result=None, error=None):
        file = result
        if file is not None and error is None and not file.has_error():
            puid = file.metadata["musicip_puid"]
            trackid = file.metadata["musicbrainz_trackid"]
            self.puidmanager.add(puid, trackid)
            if not self.config.setting["ignore_file_mbids"]:
                albumid = file.metadata["musicbrainz_albumid"]
                if mbid_validate(albumid):
                    if mbid_validate(trackid):
                        self.move_file_to_track(file, albumid, trackid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(trackid):
                    self.move_file_to_nat(file, trackid)
                elif self.config.setting["analyze_new_files"]:
                    self.analyze([file])
            elif self.config.setting["analyze_new_files"]:
                self.analyze([file])

    def add_files(self, filenames):
        """Add files to the tagger."""
        self.log.debug("Adding files %r", filenames)
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            self.unmatched_files.add_files(new_files)
            for file in new_files:
                file.load(self._file_loaded)

    def process_directory_listing(self, root, queue, result=None, error=None):
        try:
            # Read directory listing
            if result is not None and error is None:
                files = []
                directories = deque()
                try:
                    for path in result:
                        path = os.path.join(root, path)
                        if os.path.isdir(path):
                            directories.appendleft(path)
                        else:
                            try:
                                files.append(decode_filename(path))
                            except UnicodeDecodeError:
                                self.log.warning("Failed to decode filename: %r", path)
                                continue
                finally:
                    if files:
                        self.add_files(files)
                    queue.extendleft(directories)
        finally:
            # Scan next directory in the queue
            try:
                path = queue.popleft()
            except IndexError:
                pass
            else:
                self.other_queue.put(
                    (
                        partial(os.listdir, path),
                        partial(self.process_directory_listing, path, queue),
                        QtCore.Qt.LowEventPriority,
                    )
                )

    def add_directory(self, path):
        path = encode_filename(path)
        self.other_queue.put(
            (
                partial(os.listdir, path),
                partial(self.process_directory_listing, path, deque()),
                QtCore.Qt.LowEventPriority,
            )
        )

    def get_file_by_id(self, id):
        """Get file by a file ID."""
        for file in self.files.itervalues():
            if file.id == id:
                return file
        return None

    def get_file_by_filename(self, filename):
        """Get file by a filename."""
        return self.files.get(filename, None)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(
            self, self.config.setting["server_host"], self.config.setting["server_port"], self.browser_integration.port
        )

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def lookup(self, metadata):
        """Lookup the metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        albumid = metadata["musicbrainz_albumid"]
        trackid = metadata["musicbrainz_trackid"]
        if trackid:
            lookup.trackLookup(trackid)
        elif albumid:
            lookup.albumLookup(albumid)
        else:
            lookup.tagLookup(
                metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                str(metadata.length),
                metadata["~filename"],
                metadata["musicip_puid"],
            )

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        files = set()
        for obj in objects:
            files.update(obj.iterfiles(save))
        return list(files)

    def _file_saved(self, result=None, error=None):
        if error is None:
            file, old_filename, new_filename = result
            del self.files[old_filename]
            self.files[new_filename] = file

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save(self._file_saved, self.tagger.config.setting)

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def reload_album(self, album):
        if album == self.nats:
            album.update()
        else:
            album.load()

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if self.files.has_key(file.filename):
                file.clear_lookup_task()
                self._ofa.stop_analyze(file)
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        self.log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            self.log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(self.window, _(u"CD Lookup Error"), _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action=None):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if action is None:
            device = self.config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            device = unicode(action.text())

        disc = Disc()
        self.set_wait_cursor()
        self.other_queue.put(
            (partial(disc.read, encode_filename(device)), partial(self._lookup_disc, disc), QtCore.Qt.LowEventPriority)
        )

    def _lookup_puid(self, file, result=None, error=None):
        puid = result
        if file.state == File.PENDING:
            if puid:
                self.puidmanager.add(puid, None)
                file.metadata["musicip_puid"] = puid
                file.lookup_puid(puid)
            else:
                self.window.set_statusbar_message(N_("Could not find PUID for file %s"), file.filename)
                file.clear_pending()

    @property
    def use_acoustid(self):
        return self.config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(file, partial(file._lookup_finished, "acoustid"))
            else:
                self._ofa.analyze(file, partial(self._lookup_puid, file))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if isinstance(obj, (File, Cluster)) and not obj.lookup_task:
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        self.log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (
            cmp(a.discnumber, b.discnumber)
            or cmp(a.tracknumber, b.tracknumber)
            or cmp(a.base_filename, b.base_filename)
        )
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["artist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if isinstance(obj, Album):
                self.reload_album(obj)
            elif isinstance(obj, NonAlbumTrack):
                obj.load()

    @classmethod
    def instance(cls):
        return cls.__instance

    def num_files(self):
        return len(self.files)

    def num_pending_files(self):
        return len([file for file in self.files.values() if file.state == File.PENDING])
コード例 #7
0
ファイル: tagger.py プロジェクト: phw/picard
class Tagger(QtWidgets.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    _debug = False
    _no_restore = False

    def __init__(self, picard_args, unparsed_args, localedir, autoupdate):

        # Use the new fusion style from PyQt5 for a modern and consistent look
        # across all OSes.
        if not IS_MACOS:
            self.setStyle('Fusion')

        # Set the WM_CLASS to 'MusicBrainz-Picard' so desktop environments
        # can use it to look up the app
        super().__init__(['MusicBrainz-Picard'] + unparsed_args)
        self.setDesktopFileName('org.musicbrainz.Picard.desktop')
        self.__class__.__instance = self
        config._setup(self, picard_args.config_file)

        # Allow High DPI Support
        self.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps)
        self.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
        super().setStyleSheet(
            'QGroupBox::title { /* PICARD-1206, Qt bug workaround */ }'
        )

        self._cmdline_files = picard_args.FILE
        self.autoupdate_enabled = autoupdate
        self._no_restore = picard_args.no_restore
        self._no_plugins = picard_args.no_plugins

        self.set_log_level(config.setting['log_verbosity'])

        if picard_args.debug or "PICARD_DEBUG" in os.environ:
            self.set_log_level(logging.DEBUG)

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Provide a separate thread pool for operations that should not be
        # delayed by longer background processing tasks, e.g. because the user
        # expects instant feedback instead of waiting for a long list of
        # operations to finish.
        self.priority_thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        if not IS_WIN:
            # Set up signal handling
            # It's not possible to call all available functions from signal
            # handlers, therefore we need to set up a QSocketNotifier to listen
            # on a socket. Sending data through a socket can be done in a
            # signal handler, so we use the socket to notify the application of
            # the signal.
            # This code is adopted from
            # https://qt-project.org/doc/qt-4.8/unix-signals.html

            # To not make the socket module a requirement for the Windows
            # installer, import it here and not globally
            import socket
            self.signalfd = socket.socketpair(socket.AF_UNIX, socket.SOCK_STREAM, 0)

            self.signalnotifier = QtCore.QSocketNotifier(self.signalfd[1].fileno(),
                                                         QtCore.QSocketNotifier.Read, self)
            self.signalnotifier.activated.connect(self.sighandler)

            signal.signal(signal.SIGHUP, self.signal)
            signal.signal(signal.SIGINT, self.signal)
            signal.signal(signal.SIGTERM, self.signal)

        if IS_MACOS:
            # On macOS it is not common that the global menu shows icons
            self.setAttribute(QtCore.Qt.AA_DontShowIconsInMenus)

        # Setup logging
        log.debug("Starting Picard from %r", os.path.abspath(__file__))
        log.debug("Platform: %s %s %s", platform.platform(),
                  platform.python_implementation(), platform.python_version())
        log.debug("Versions: %s", versions.as_string())
        log.debug("Configuration file path: %r", config.config.fileName())

        log.debug("User directory: %r", os.path.abspath(USER_DIR))

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        # Must be before config upgrade because upgrade dialogs need to be
        # translated
        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        upgrade_config(config.config)

        self.webservice = WebService()
        self.mb_api = MBAPIHelper(self.webservice)
        self.acoustid_api = AcoustIdAPIHelper(self.webservice)

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if not self._no_plugins:
            if IS_FROZEN:
                self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
            else:
                mydir = os.path.dirname(os.path.abspath(__file__))
                self.pluginmanager.load_plugindir(os.path.join(mydir, "plugins"))

            if not os.path.exists(USER_PLUGIN_DIR):
                os.makedirs(USER_PLUGIN_DIR)
            self.pluginmanager.load_plugindir(USER_PLUGIN_DIR)

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unclustered_files = UnclusteredFiles()
        self.nats = None
        self.window = MainWindow()
        self.exit_cleanup = []
        self.stopping = False

        # Load release version information
        if self.autoupdate_enabled:
            self.updatecheckmanager = UpdateCheckManager(parent=self.window)

    def register_cleanup(self, func):
        self.exit_cleanup.append(func)

    def run_cleanup(self):
        for f in self.exit_cleanup:
            f()

    def set_log_level(self, level):
        self._debug = level == logging.DEBUG
        log.set_level(level)

    def mb_login(self, callback, parent=None):
        scopes = "profile tag rating collection submit_isrc submit_barcode"
        authorization_url = self.webservice.oauth_manager.get_authorization_url(scopes)
        webbrowser2.open(authorization_url)
        if not parent:
            parent = self.window
        authorization_code, ok = QtWidgets.QInputDialog.getText(parent,
            _("MusicBrainz Account"), _("Authorization code:"))
        if ok:
            self.webservice.oauth_manager.exchange_authorization_code(
                authorization_code, scopes,
                partial(self.on_mb_authorization_finished, callback))
        else:
            callback(False)

    def on_mb_authorization_finished(self, callback, successful=False):
        if successful:
            self.webservice.oauth_manager.fetch_username(
                partial(self.on_mb_login_finished, callback))
        else:
            callback(False)

    @classmethod
    def on_mb_login_finished(self, callback, successful):
        if successful:
            load_user_collections()
        callback(successful)

    def mb_logout(self):
        self.webservice.oauth_manager.revoke_tokens()
        load_user_collections()

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_files, [file],
                                      recordingid=recordingid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
            self.nats.item.setExpanded(True)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        if self.stopping:
            return
        self.stopping = True
        log.debug("Picard stopping")
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.save_thread_pool.waitForDone()
        self.priority_thread_pool.waitForDone()
        self.browser_integration.stop()
        self.webservice.stop()
        self.run_cleanup()
        QtCore.QCoreApplication.processEvents()

    def _run_init(self):
        if self._cmdline_files:
            files = []
            for file in self._cmdline_files:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._cmdline_files

    def run(self):
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            self.add_files([event.file()])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return super().event(event)

    def _file_loaded(self, file, target=None):
        if file is None or file.has_error():
            return

        if target is not None:
            self.move_files([file], target)
            return

        if not config.setting["ignore_file_mbids"]:
            recordingid = file.metadata['musicbrainz_recordingid']
            is_valid_recordingid = mbid_validate(recordingid)

            albumid = file.metadata['musicbrainz_albumid']
            is_valid_albumid = mbid_validate(albumid)

            if is_valid_albumid and is_valid_recordingid:
                log.debug("%r has release (%s) and recording (%s) MBIDs, moving to track...",
                          file, albumid, recordingid)
                self.move_file_to_track(file, albumid, recordingid)
                return

            if is_valid_albumid:
                log.debug("%r has only release MBID (%s), moving to album...",
                          file, albumid)
                self.move_file_to_album(file, albumid)
                return

            if is_valid_recordingid:
                log.debug("%r has only recording MBID (%s), moving to non-album track...",
                          file, recordingid)
                self.move_file_to_nat(file, recordingid)
                return

        # fallback on analyze if nothing else worked
        if config.setting['analyze_new_files'] and file.can_analyze():
            log.debug("Trying to analyze %r ...", file)
            self.analyze([file])

    def move_files(self, files, target):
        if target is None:
            log.debug("Aborting move since target is invalid")
            return
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        ignoreregex = None
        pattern = config.setting['ignore_regex']
        if pattern:
            ignoreregex = re.compile(pattern)
        ignore_hidden = config.setting["ignore_hidden_files"]
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if ignore_hidden and is_hidden(filename):
                log.debug("File ignored (hidden): %r" % (filename))
                continue
            # Ignore .smbdelete* files which Applie iOS SMB creates by renaming a file when it cannot delete it
            if os.path.basename(filename).startswith(".smbdelete"):
                log.debug("File ignored (.smbdelete): %r", filename)
                continue
            if ignoreregex is not None and ignoreregex.search(filename):
                log.info("File ignored (matching %r): %r" % (pattern, filename))
                continue
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            log.debug("Adding files %r", new_files)
            new_files.sort(key=lambda x: x.filename)
            if target is None or target is self.unclustered_files:
                self.unclustered_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        if config.setting['recursively_add_files']:
            self._add_directory_recursive(path)
        else:
            self._add_directory_non_recursive(path)

    def _add_directory_recursive(self, path):
        ignore_hidden = config.setting["ignore_hidden_files"]
        walk = os.walk(path)

        def get_files():
            try:
                root, dirs, files = next(walk)
                if ignore_hidden:
                    dirs[:] = [d for d in dirs if not is_hidden(os.path.join(root, d))]
            except StopIteration:
                return None
            else:
                number_of_files = len(files)
                if number_of_files:
                    mparms = {
                        'count': number_of_files,
                        'directory': root,
                    }
                    log.debug("Adding %(count)d files from '%(directory)r'" %
                              mparms)
                    self.window.set_statusbar_message(
                        ngettext(
                            "Adding %(count)d file from '%(directory)s' ...",
                            "Adding %(count)d files from '%(directory)s' ...",
                            number_of_files),
                        mparms,
                        translate=None,
                        echo=None
                    )
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def _add_directory_non_recursive(self, path):
        files = []
        for f in os.listdir(path):
            listing = os.path.join(path, f)
            if os.path.isfile(listing):
                files.append(listing)
        number_of_files = len(files)
        if number_of_files:
            mparms = {
                'count': number_of_files,
                'directory': path,
            }
            log.debug("Adding %(count)d files from '%(directory)r'" %
                      mparms)
            self.window.set_statusbar_message(
                ngettext(
                    "Adding %(count)d file from '%(directory)s' ...",
                    "Adding %(count)d files from '%(directory)s' ...",
                    number_of_files),
                mparms,
                translate=None,
                echo=None
            )
            # Function call only if files exist
            self.add_files(files)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def copy_files(self, objects):
        mimeData = QtCore.QMimeData()
        mimeData.setUrls([QtCore.QUrl.fromLocalFile(f.filename) for f in (self.get_files_from_objects(objects))])
        self.clipboard().setMimeData(mimeData)

    def paste_files(self, target):
        mimeData = self.clipboard().mimeData()
        if mimeData.hasUrls():
            BaseTreeView.drop_urls(mimeData.urls(), target)

    def search(self, text, search_type, adv=False, mbid_matched_callback=None, force_browser=False):
        """Search on the MusicBrainz website."""
        search_types = {
            'track': {
                'entity': 'recording',
                'dialog': TrackSearchDialog
            },
            'album': {
                'entity': 'release',
                'dialog': AlbumSearchDialog
            },
            'artist': {
                'entity': 'artist',
                'dialog': ArtistSearchDialog
            },
        }
        if search_type not in search_types:
            return
        search = search_types[search_type]
        lookup = self.get_file_lookup()
        if config.setting["builtin_search"] and not force_browser:
            if not lookup.mbid_lookup(text, search['entity'],
                                      mbid_matched_callback=mbid_matched_callback):
                dialog = search['dialog'](self.window)
                dialog.search(text)
                dialog.exec_()
        else:
            lookup.search_entity(search['entity'], text, adv, mbid_matched_callback=mbid_matched_callback)

    def collection_lookup(self):
        """Lookup the users collections on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        lookup.collection_lookup(config.persist["oauth_username"])

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, DataObject):
            itemid = item.id
            if isinstance(item, Track):
                lookup.recording_lookup(itemid)
            elif isinstance(item, Album):
                lookup.album_lookup(itemid)
        else:
            lookup.tag_lookup(
                metadata["albumartist"] if item.is_album_like() else metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, album_id, discid=None):
        album_id = self.mbid_redirects.get(album_id, album_id)
        album = self.albums.get(album_id)
        if album:
            log.debug("Album %s already loaded.", album_id)
            album.add_discid(discid)
            return album
        album = Album(album_id, discid=discid)
        self.albums[album_id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, nat_id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(nat_id)
        if nat:
            log.debug("NAT %s already loaded.", nat_id)
            return nat
        nat = NonAlbumTrack(nat_id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, nat_id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == nat_id:
                    return nat

    def get_release_group_by_id(self, rg_id):
        return self.release_groups.setdefault(rg_id, ReleaseGroup(rg_id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_nat(self, track):
        """Remove the specified non-album track."""
        log.debug("Removing %r", track)
        self.remove_files(self.get_files_from_objects([track]))
        self.nats.tracks.remove(track)
        if not self.nats.tracks:
            self.remove_album(self.nats)
        else:
            self.nats.update(True)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, NonAlbumTrack):
                self.remove_nat(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.window.set_statusbar_message(
                    N_("Removing album %(id)s: %(artist)s - %(album)s"),
                    {
                        'id': obj.id,
                        'artist': obj.metadata['albumartist'],
                        'album': obj.metadata['album']
                    }
                )
                self.remove_album(obj)
            elif isinstance(obj, UnclusteredFiles):
                files.extend(list(obj.files))
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtWidgets.QMessageBox.critical(self.window, _("CD Lookup Error"),
                                           _("Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtWidgets.QAction):
            device = action.data()
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(
            partial(disc.read, encode_filename(device)),
            partial(self._lookup_disc, disc),
            traceback=self._debug)

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        if not self.use_acoustid:
            return
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            self._acoustid.analyze(file, partial(file._lookup_finished,
                                                 File.LOOKUP_ACOUSTID))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unclustered_files in objs:
            files = list(self.unclustered_files.files)
        else:
            files = self.get_files_from_objects(objs)
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, key=attrgetter('discnumber', 'tracknumber', 'base_filename')):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        super().setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        super().restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if obj.can_refresh():
                obj.load(priority=True, refresh=True)

    def bring_tagger_front(self):
        self.window.setWindowState(self.window.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
        self.window.raise_()
        self.window.activateWindow()

    @classmethod
    def instance(cls):
        return cls.__instance

    def signal(self, signum, frame):
        log.debug("signal %i received", signum)
        # Send a notification about a received signal from the signal handler
        # to Qt.
        self.signalfd[0].sendall(b"a")

    def sighandler(self):
        self.signalnotifier.setEnabled(False)
        self.exit()
        self.quit()
        self.signalnotifier.setEnabled(True)
コード例 #8
0
ファイル: tagger.py プロジェクト: ironmann250/picard
class Tagger(QtGui.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, picard_args, unparsed_args, localedir, autoupdate):
        # Set the WM_CLASS to 'MusicBrainz-Picard' so desktop environments
        # can use it to look up the app
        QtGui.QApplication.__init__(self,
                                    ['MusicBrainz-Picard'] + unparsed_args)
        self.__class__.__instance = self

        config._setup(self)

        self._cmdline_files = picard_args.FILE
        self._autoupdate = autoupdate
        self._debug = False

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        if not sys.platform == "win32":
            # Set up signal handling
            # It's not possible to call all available functions from signal
            # handlers, therefore we need to set up a QSocketNotifier to listen
            # on a socket. Sending data through a socket can be done in a
            # signal handler, so we use the socket to notify the application of
            # the signal.
            # This code is adopted from
            # https://qt-project.org/doc/qt-4.8/unix-signals.html

            # To not make the socket module a requirement for the Windows
            # installer, import it here and not globally
            import socket
            self.signalfd = socket.socketpair(socket.AF_UNIX,
                                              socket.SOCK_STREAM, 0)

            self.signalnotifier = QtCore.QSocketNotifier(
                self.signalfd[1].fileno(), QtCore.QSocketNotifier.Read, self)
            self.signalnotifier.activated.connect(self.sighandler)

            signal.signal(signal.SIGHUP, self.signal)
            signal.signal(signal.SIGINT, self.signal)
            signal.signal(signal.SIGTERM, self.signal)

        # Setup logging
        self.debug(picard_args.debug or "PICARD_DEBUG" in os.environ)
        log.debug("Starting Picard from %r", os.path.abspath(__file__))
        log.debug("Platform: %s %s %s", platform.platform(),
                  platform.python_implementation(), platform.python_version())
        log.debug("Versions: %s", versions.as_string())
        log.debug("Configuration file path: %r", config.config.fileName())

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            log.info("Moving %r to %r", olduserdir, USER_DIR)
            try:
                shutil.move(olduserdir, USER_DIR)
            except:
                pass
        log.debug("User directory: %r", os.path.abspath(USER_DIR))

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        # Must be before config upgrade because upgrade dialogs need to be
        # translated
        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        upgrade_config()

        self.xmlws = XmlWebService()

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(
                os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            mydir = os.path.dirname(os.path.abspath(__file__))
            self.pluginmanager.load_plugindir(os.path.join(mydir, "plugins"))
            self.pluginmanager.load_plugindir(
                os.path.join(mydir, os.pardir, "contrib", "plugins"))

        if not os.path.exists(USER_PLUGIN_DIR):
            os.makedirs(USER_PLUGIN_DIR)
        self.pluginmanager.load_plugindir(USER_PLUGIN_DIR)
        self.pluginmanager.query_available_plugins()

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()
        self.exit_cleanup = []
        self.stopping = False

    def register_cleanup(self, func):
        self.exit_cleanup.append(func)

    def run_cleanup(self):
        for f in self.exit_cleanup:
            f()

    def debug(self, debug):
        if self._debug == debug:
            return
        if debug:
            log.log_levels = log.log_levels | log.LOG_DEBUG
            log.debug("Debug mode on")
        else:
            log.debug("Debug mode off")
            log.log_levels = log.log_levels & ~log.LOG_DEBUG
        self._debug = debug

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, recordingid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        log.debug("Picard stopping")
        self.stopping = True
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.save_thread_pool.waitForDone()
        self.browser_integration.stop()
        self.xmlws.stop()
        for f in self.exit_cleanup:
            f()
        QtCore.QCoreApplication.processEvents()

    def _run_init(self):
        if self._cmdline_files:
            files = []
            for file in self._cmdline_files:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._cmdline_files

    def run(self):
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, file, target=None):
        if file is not None and not file.has_error():
            recordingid = file.metadata.getall('musicbrainz_recordingid')[0] \
                if 'musicbrainz_recordingid' in file.metadata else ''
            if target is not None:
                self.move_files([file], target)
            elif not config.setting["ignore_file_mbids"]:
                albumid = file.metadata.getall('musicbrainz_albumid')[0] \
                    if 'musicbrainz_albumid' in file.metadata else ''
                if mbid_validate(albumid):
                    if mbid_validate(recordingid):
                        self.move_file_to_track(file, albumid, recordingid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(recordingid):
                    self.move_file_to_nat(file, recordingid)
                elif config.setting['analyze_new_files'] and file.can_analyze(
                ):
                    self.analyze([file])
            elif config.setting['analyze_new_files'] and file.can_analyze():
                self.analyze([file])

    def move_files(self, files, target):
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        ignoreregex = None
        pattern = config.setting['ignore_regex']
        if pattern:
            ignoreregex = re.compile(pattern)
        ignore_hidden = config.setting["ignore_hidden_files"]
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if ignore_hidden and is_hidden(filename):
                log.debug("File ignored (hidden): %r" % (filename))
                continue
            if ignoreregex is not None and ignoreregex.search(filename):
                log.info("File ignored (matching %r): %r" %
                         (pattern, filename))
                continue
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            log.debug("Adding files %r", new_files)
            new_files.sort(key=lambda x: x.filename)
            if target is None or target is self.unmatched_files:
                self.unmatched_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        if config.setting['recursively_add_files']:
            self._add_directory_recursive(path)
        else:
            self._add_directory_non_recursive(path)

    def _add_directory_recursive(self, path):
        ignore_hidden = config.setting["ignore_hidden_files"]
        walk = os.walk(unicode(path))

        def get_files():
            try:
                root, dirs, files = next(walk)
                if ignore_hidden:
                    dirs[:] = [
                        d for d in dirs if not is_hidden(os.path.join(root, d))
                    ]
            except StopIteration:
                return None
            else:
                number_of_files = len(files)
                if number_of_files:
                    mparms = {
                        'count': number_of_files,
                        'directory': root,
                    }
                    log.debug("Adding %(count)d files from '%(directory)r'" %
                              mparms)
                    self.window.set_statusbar_message(ungettext(
                        "Adding %(count)d file from '%(directory)s' ...",
                        "Adding %(count)d files from '%(directory)s' ...",
                        number_of_files),
                                                      mparms,
                                                      translate=None,
                                                      echo=None)
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def _add_directory_non_recursive(self, path):
        files = []
        for f in os.listdir(path):
            listing = os.path.join(path, f)
            if os.path.isfile(listing):
                files.append(listing)
        number_of_files = len(files)
        if number_of_files:
            mparms = {
                'count': number_of_files,
                'directory': path,
            }
            log.debug("Adding %(count)d files from '%(directory)r'" % mparms)
            self.window.set_statusbar_message(ungettext(
                "Adding %(count)d file from '%(directory)s' ...",
                "Adding %(count)d files from '%(directory)s' ...",
                number_of_files),
                                              mparms,
                                              translate=None,
                                              echo=None)
            # Function call only if files exist
            self.add_files(files)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def copy_files(self, objects):
        mimeData = QtCore.QMimeData()
        mimeData.setUrls([
            QtCore.QUrl.fromLocalFile(f.filename)
            for f in (self.get_files_from_objects(objects))
        ])
        self.clipboard().setMimeData(mimeData)

    def paste_files(self, target):
        mimeData = self.clipboard().mimeData()
        if mimeData.hasUrls():
            BaseTreeView.drop_urls(mimeData.urls(), target)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        if config.setting["builtin_search"]:
            if type == "track" and not lookup.mbidLookup(text, 'recording'):
                dialog = TrackSearchDialog(self.window)
                dialog.search(text)
                dialog.exec_()
            elif type == "album" and not lookup.mbidLookup(text, 'release'):
                dialog = AlbumSearchDialog(self.window)
                dialog.search(text)
                dialog.exec_()
            elif type == "artist" and not lookup.mbidLookup(text, 'artist'):
                dialog = ArtistSearchDialog(self.window)
                dialog.search(text)
                dialog.exec_()
        else:
            getattr(lookup, type + "Search")(text, adv)

    def collection_lookup(self):
        """Lookup the users collections on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        lookup.collectionLookup(config.persist["oauth_username"])

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, DataObject):
            itemid = item.id
            if isinstance(item, Track):
                lookup.recordingLookup(itemid)
            elif isinstance(item, Album):
                lookup.albumLookup(itemid)
        else:
            lookup.tagLookup(
                metadata["albumartist"]
                if item.is_album_like() else metadata["artist"],
                metadata["album"], metadata["title"], metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            log.debug("Album %s already loaded.", id)
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            log.debug("NAT %s already loaded.", id)
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def get_release_group_by_id(self, id):
        return self.release_groups.setdefault(id, ReleaseGroup(id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.window.set_statusbar_message(
                    N_("Removing album %(id)s: %(artist)s - %(album)s"), {
                        'id': obj.id,
                        'artist': obj.metadata['albumartist'],
                        'album': obj.metadata['album']
                    })
                self.remove_album(obj)
            elif isinstance(obj, UnmatchedFiles):
                files.extend(list(obj.files))
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(
                self.window, _(u"CD Lookup Error"),
                _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtGui.QAction):
            device = unicode(action.text())
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(partial(disc.read, encode_filename(device)),
                        partial(self._lookup_disc, disc))

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(
                    file, partial(file._lookup_finished, 'acoustid'))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (cmp(a.discnumber, b.discnumber) or cmp(
            a.tracknumber, b.tracknumber) or cmp(a.base_filename, b.
                                                 base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if obj.can_refresh():
                obj.load(priority=True, refresh=True)

    def bring_tagger_front(self):
        self.window.setWindowState(self.window.windowState()
                                   & ~QtCore.Qt.WindowMinimized
                                   | QtCore.Qt.WindowActive)
        self.window.raise_()
        self.window.activateWindow()

    @classmethod
    def instance(cls):
        return cls.__instance

    def signal(self, signum, frame):
        log.debug("signal %i received", signum)
        # Send a notification about a received signal from the signal handler
        # to Qt.
        self.signalfd[0].sendall("a")

    def sighandler(self):
        self.signalnotifier.setEnabled(False)
        self.exit()
        self.quit()
        self.signalnotifier.setEnabled(True)
コード例 #9
0
ファイル: tagger.py プロジェクト: rdswift/picard
class Tagger(QtWidgets.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    _debug = False
    _no_restore = False

    def __init__(self, picard_args, unparsed_args, localedir, autoupdate):

        super().__init__(sys.argv)
        self.__class__.__instance = self
        setup_config(self, picard_args.config_file)
        config = get_config()
        theme.setup(self)

        self._cmdline_files = picard_args.FILE
        self.autoupdate_enabled = autoupdate
        self._no_restore = picard_args.no_restore
        self._no_plugins = picard_args.no_plugins

        self.set_log_level(config.setting['log_verbosity'])

        if picard_args.debug or "PICARD_DEBUG" in os.environ:
            self.set_log_level(logging.DEBUG)

        # Default thread pool
        self.thread_pool = ThreadPoolExecutor()

        # Provide a separate thread pool for operations that should not be
        # delayed by longer background processing tasks, e.g. because the user
        # expects instant feedback instead of waiting for a long list of
        # operations to finish.
        self.priority_thread_pool = ThreadPoolExecutor(max_workers=1)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = ThreadPoolExecutor(max_workers=1)

        if not IS_WIN:
            # Set up signal handling
            # It's not possible to call all available functions from signal
            # handlers, therefore we need to set up a QSocketNotifier to listen
            # on a socket. Sending data through a socket can be done in a
            # signal handler, so we use the socket to notify the application of
            # the signal.
            # This code is adopted from
            # https://qt-project.org/doc/qt-4.8/unix-signals.html

            # To not make the socket module a requirement for the Windows
            # installer, import it here and not globally
            import socket
            self.signalfd = socket.socketpair(socket.AF_UNIX,
                                              socket.SOCK_STREAM, 0)

            self.signalnotifier = QtCore.QSocketNotifier(
                self.signalfd[1].fileno(), QtCore.QSocketNotifier.Type.Read,
                self)
            self.signalnotifier.activated.connect(self.sighandler)

            signal.signal(signal.SIGHUP, self.signal)
            signal.signal(signal.SIGINT, self.signal)
            signal.signal(signal.SIGTERM, self.signal)

        # Setup logging
        log.debug("Starting Picard from %r", os.path.abspath(__file__))
        log.debug("Platform: %s %s %s", platform.platform(),
                  platform.python_implementation(), platform.python_version())
        log.debug("Versions: %s", versions.as_string())
        log.debug("Configuration file path: %r", config.fileName())

        log.debug("User directory: %r", os.path.abspath(USER_DIR))

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        # Must be before config upgrade because upgrade dialogs need to be
        # translated
        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        upgrade_config(config)

        self.webservice = WebService()
        self.mb_api = MBAPIHelper(self.webservice)

        load_user_collections()

        # Initialize fingerprinting
        acoustid_api = AcoustIdAPIHelper(self.webservice)
        self._acoustid = acoustid.AcoustIDClient(acoustid_api)
        self._acoustid.init()
        self.acoustidmanager = AcoustIDManager(acoustid_api)

        # Setup AcousticBrainz extraction
        self.ab_extractor = ABExtractor()

        self.enable_menu_icons(config.setting['show_menu_icons'])

        # Load plugins
        self.pluginmanager = PluginManager()
        if not self._no_plugins:
            for plugin_dir in plugin_dirs():
                self.pluginmanager.load_plugins_from_directory(plugin_dir)

        self.browser_integration = BrowserIntegration()
        self.browser_integration.listen_port_changed.connect(
            self.listen_port_changed)

        self._pending_files_count = 0
        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unclustered_files = UnclusteredFiles()
        self.nats = None
        self.window = MainWindow(disable_player=picard_args.no_player)
        self.exit_cleanup = []
        self.stopping = False

        # Load release version information
        if self.autoupdate_enabled:
            self.updatecheckmanager = UpdateCheckManager(parent=self.window)

    def enable_menu_icons(self, enabled):
        self.setAttribute(
            QtCore.Qt.ApplicationAttribute.AA_DontShowIconsInMenus,
            not enabled)

    def register_cleanup(self, func):
        self.exit_cleanup.append(func)

    def run_cleanup(self):
        for f in self.exit_cleanup:
            f()

    def set_log_level(self, level):
        self._debug = level == logging.DEBUG
        log.set_level(level)

    def _mb_login_dialog(self, parent):
        if not parent:
            parent = self.window
        dialog = QtWidgets.QInputDialog(parent)
        dialog.setWindowModality(QtCore.Qt.WindowModality.WindowModal)
        dialog.setWindowTitle(_("MusicBrainz Account"))
        dialog.setLabelText(_("Authorization code:"))
        status = dialog.exec_()
        if status == QtWidgets.QDialog.DialogCode.Accepted:
            return dialog.textValue()
        else:
            return None

    def mb_login(self, callback, parent=None):
        scopes = "profile tag rating collection submit_isrc submit_barcode"
        authorization_url = self.webservice.oauth_manager.get_authorization_url(
            scopes)
        webbrowser2.open(authorization_url)
        authorization_code = self._mb_login_dialog(parent)
        if authorization_code is not None:
            self.webservice.oauth_manager.exchange_authorization_code(
                authorization_code, scopes,
                partial(self.on_mb_authorization_finished, callback))
        else:
            callback(False, None)

    def on_mb_authorization_finished(self,
                                     callback,
                                     successful=False,
                                     error_msg=None):
        if successful:
            self.webservice.oauth_manager.fetch_username(
                partial(self.on_mb_login_finished, callback))
        else:
            callback(False, error_msg)

    @classmethod
    def on_mb_login_finished(self, callback, successful, error_msg):
        if successful:
            load_user_collections()
        callback(successful, error_msg)

    def mb_logout(self):
        self.webservice.oauth_manager.revoke_tokens()
        load_user_collections()

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        album.match_files(files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.match_recordingid = recordingid
        album.match_files([file])

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
            self.nats.item.setExpanded(True)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        if self.stopping:
            return
        self.stopping = True
        log.debug("Picard stopping")
        self._acoustid.done()
        self.thread_pool.shutdown()
        self.save_thread_pool.shutdown()
        self.priority_thread_pool.shutdown()
        self.browser_integration.stop()
        self.webservice.stop()
        self.run_cleanup()
        QtCore.QCoreApplication.processEvents()

    def _run_init(self):
        if self._cmdline_files:
            files = [decode_filename(f) for f in self._cmdline_files]
            self.add_paths(files)
            del self._cmdline_files

    def run(self):
        self.update_browser_integration()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def update_browser_integration(self):
        config = get_config()
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        else:
            self.browser_integration.stop()

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.Type.FileOpen:
            file = event.file()
            self.add_paths([file])
            if IS_HAIKU:
                self.bring_tagger_front()
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return super().event(event)

    def _file_loaded(self,
                     file,
                     target=None,
                     remove_file=False,
                     unmatched_files=None):
        config = get_config()
        self._pending_files_count -= 1
        if self._pending_files_count == 0:
            self.window.set_sorting(True)

        if remove_file:
            file.remove()
            return

        if file is None:
            return

        if file.has_error():
            self.unclustered_files.add_file(file)
            return

        file_moved = False
        if not config.setting["ignore_file_mbids"]:
            recordingid = file.metadata.getall('musicbrainz_recordingid')
            recordingid = recordingid[0] if recordingid else ''
            is_valid_recordingid = mbid_validate(recordingid)

            albumid = file.metadata.getall('musicbrainz_albumid')
            albumid = albumid[0] if albumid else ''
            is_valid_albumid = mbid_validate(albumid)

            if is_valid_albumid and is_valid_recordingid:
                log.debug(
                    "%r has release (%s) and recording (%s) MBIDs, moving to track...",
                    file, albumid, recordingid)
                self.move_file_to_track(file, albumid, recordingid)
                file_moved = True
            elif is_valid_albumid:
                log.debug("%r has only release MBID (%s), moving to album...",
                          file, albumid)
                self.move_file_to_album(file, albumid)
                file_moved = True
            elif is_valid_recordingid:
                log.debug(
                    "%r has only recording MBID (%s), moving to non-album track...",
                    file, recordingid)
                self.move_file_to_nat(file, recordingid)
                file_moved = True

        if not file_moved:
            target = self.move_file(file, target)
            if target and target != self.unclustered_files:
                file_moved = True

        if not file_moved and unmatched_files is not None:
            unmatched_files.append(file)

        # fallback on analyze if nothing else worked
        if not file_moved and config.setting[
                'analyze_new_files'] and file.can_analyze():
            log.debug("Trying to analyze %r ...", file)
            self.analyze([file])

        # Auto cluster newly added files if they are not explicitly moved elsewhere
        if self._pending_files_count == 0 and unmatched_files and config.setting[
                "cluster_new_files"]:
            self.cluster(unmatched_files)

    def move_file(self, file, target):
        """Moves a file to target, if possible

        Returns the actual target the files has been moved to or None
        """
        if isinstance(target, Album):
            self.move_files_to_album([file], album=target)
        else:
            if isinstance(target, File) and target.parent:
                target = target.parent
            if not file.move(target):
                # Ensure a file always has a parent so it shows up in UI
                if not file.parent:
                    target = self.unclustered_files
                    file.move(target)
                # Unsupported target, do not move the file
                else:
                    target = None
        return target

    def move_files(self, files, target, move_to_multi_tracks=True):
        if target is None:
            log.debug("Aborting move since target is invalid")
            return
        self.window.set_sorting(False)
        if isinstance(target, Cluster):
            for file in process_events_iter(files):
                file.move(target)
        elif isinstance(target, Track):
            album = target.album
            for file in process_events_iter(files):
                file.move(target)
                if move_to_multi_tracks:  # Assign next file to following track
                    target = album.get_next_track(
                        target) or album.unmatched_files
        elif isinstance(target, File):
            for file in process_events_iter(files):
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)
        self.window.set_sorting(True)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        ignoreregex = None
        config = get_config()
        pattern = config.setting['ignore_regex']
        if pattern:
            try:
                ignoreregex = re.compile(pattern)
            except re.error as e:
                log.error(
                    "Failed evaluating regular expression for ignore_regex: %s",
                    e)
        ignore_hidden = config.setting["ignore_hidden_files"]
        new_files = []
        for filename in filenames:
            filename = normpath(filename)
            if ignore_hidden and is_hidden(filename):
                log.debug("File ignored (hidden): %r" % (filename))
                continue
            # Ignore .smbdelete* files which Applie iOS SMB creates by renaming a file when it cannot delete it
            if os.path.basename(filename).startswith(".smbdelete"):
                log.debug("File ignored (.smbdelete): %r", filename)
                continue
            if ignoreregex is not None and ignoreregex.search(filename):
                log.info("File ignored (matching %r): %r" %
                         (pattern, filename))
                continue
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
                QtCore.QCoreApplication.processEvents()
        if new_files:
            log.debug("Adding files %r", new_files)
            new_files.sort(key=lambda x: x.filename)
            self.window.set_sorting(False)
            self._pending_files_count += len(new_files)
            unmatched_files = []
            for i, file in enumerate(new_files):
                file.load(
                    partial(self._file_loaded,
                            target=target,
                            unmatched_files=unmatched_files))
                # Calling processEvents helps processing the _file_loaded
                # callbacks in between, which keeps the UI more responsive.
                # Avoid calling it to often to not slow down the loading to much
                # Using an uneven number to have the unclustered file counter
                # not look stuck in certain digits.
                if i % 17 == 0:
                    QtCore.QCoreApplication.processEvents()

    @staticmethod
    def _scan_paths_recursive(paths, recursive, ignore_hidden):
        local_paths = list(paths)
        while local_paths:
            current_path = local_paths.pop(0)
            try:
                if os.path.isdir(current_path):
                    for entry in os.scandir(current_path):
                        if ignore_hidden and is_hidden(entry.path):
                            continue
                        if recursive and entry.is_dir():
                            local_paths.append(entry.path)
                        else:
                            yield entry.path
                else:
                    yield current_path
            except OSError as err:
                log.warning(err)

    def add_paths(self, paths, target=None):
        config = get_config()
        files = self._scan_paths_recursive(
            paths, config.setting['recursively_add_files'],
            config.setting["ignore_hidden_files"])
        self.add_files(files, target=target)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        config = get_config()
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def search(self,
               text,
               search_type,
               adv=False,
               mbid_matched_callback=None,
               force_browser=False):
        """Search on the MusicBrainz website."""
        search_types = {
            'track': {
                'entity': 'recording',
                'dialog': TrackSearchDialog
            },
            'album': {
                'entity': 'release',
                'dialog': AlbumSearchDialog
            },
            'artist': {
                'entity': 'artist',
                'dialog': ArtistSearchDialog
            },
        }
        if search_type not in search_types:
            return
        search = search_types[search_type]
        lookup = self.get_file_lookup()
        config = get_config()
        if config.setting["builtin_search"] and not force_browser:
            if not lookup.mbid_lookup(
                    text,
                    search['entity'],
                    mbid_matched_callback=mbid_matched_callback):
                dialog = search['dialog'](self.window)
                dialog.search(text)
                dialog.exec_()
        else:
            lookup.search_entity(search['entity'],
                                 text,
                                 adv,
                                 mbid_matched_callback=mbid_matched_callback)

    def collection_lookup(self):
        """Lookup the users collections on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        config = get_config()
        lookup.collection_lookup(config.persist["oauth_username"])

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, DataObject):
            itemid = item.id
            if isinstance(item, Track):
                lookup.recording_lookup(itemid)
            elif isinstance(item, Album):
                lookup.album_lookup(itemid)
        else:
            lookup.tag_lookup(
                metadata["albumartist"]
                if item.is_album_like() else metadata["artist"],
                metadata["album"], metadata["title"], metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of unique files from list of albums, clusters, tracks or files.

        Note: Consider using picard.util.iter_files_from_objects instead, which returns an iterator.
        """
        return list(iter_files_from_objects(objects, save=save))

    def save(self, objects):
        """Save the specified objects."""
        for file in iter_files_from_objects(objects, save=True):
            file.save()

    def load_mbid(self, type, mbid):
        self.bring_tagger_front()
        if type == 'album':
            self.load_album(mbid)
        elif type == 'nat':
            self.load_nat(mbid)
        else:
            log.warning('Unknown type to load: %s', type)

    def load_album(self, album_id, discid=None):
        album_id = self.mbid_redirects.get(album_id, album_id)
        album = self.albums.get(album_id)
        if album:
            log.debug("Album %s already loaded.", album_id)
            album.add_discid(discid)
            return album
        album = Album(album_id, discid=discid)
        self.albums[album_id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, nat_id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(nat_id)
        if nat:
            log.debug("NAT %s already loaded.", nat_id)
            return nat
        nat = NonAlbumTrack(nat_id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, nat_id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == nat_id:
                    return nat

    def get_release_group_by_id(self, rg_id):
        return self.release_groups.setdefault(rg_id, ReleaseGroup(rg_id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)
        self.tagger_stats_changed.emit()

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        if album.id not in self.albums:
            return
        album.stop_loading()
        self.remove_files(list(album.iterfiles()))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)
        run_album_post_removal_processors(album)
        self.tagger_stats_changed.emit()

    def remove_nat(self, track):
        """Remove the specified non-album track."""
        log.debug("Removing %r", track)
        self.remove_files(list(track.iterfiles()))
        if not self.nats:
            return
        self.nats.tracks.remove(track)
        if not self.nats.tracks:
            self.remove_album(self.nats)
        else:
            self.nats.update(True)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        with self.window.ignore_selection_changes:
            for obj in objects:
                if isinstance(obj, File):
                    files.append(obj)
                elif isinstance(obj, NonAlbumTrack):
                    self.remove_nat(obj)
                elif isinstance(obj, Track):
                    files.extend(obj.files)
                elif isinstance(obj, Album):
                    self.window.set_statusbar_message(
                        N_("Removing album %(id)s: %(artist)s - %(album)s"), {
                            'id': obj.id,
                            'artist': obj.metadata['albumartist'],
                            'album': obj.metadata['album']
                        })
                    self.remove_album(obj)
                elif isinstance(obj, UnclusteredFiles):
                    files.extend(list(obj.files))
                elif isinstance(obj, Cluster):
                    self.remove_cluster(obj)
            if files:
                self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtWidgets.QMessageBox.critical(
                self.window, _("CD Lookup Error"),
                _("Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        config = get_config()
        if isinstance(action, QtWidgets.QAction):
            device = action.data()
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(partial(disc.read, encode_filename(device)),
                        partial(self._lookup_disc, disc),
                        traceback=self._debug)

    @property
    def use_acoustid(self):
        config = get_config()
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        if not self.use_acoustid:
            return
        for file in iter_files_from_objects(objs):
            if file.can_analyze():
                file.set_pending()
                self._acoustid.analyze(
                    file, partial(file._lookup_finished, File.LOOKUP_ACOUSTID))

    def generate_fingerprints(self, objs):
        """Generate the fingerprints without matching the files."""
        if not self.use_acoustid:
            return

        def finished(file, result):
            file.clear_pending()

        for file in iter_files_from_objects(objs):
            file.set_pending()
            self._acoustid.fingerprint(file, partial(finished, file))

    def extract_and_submit_acousticbrainz_features(self, objs):
        """Extract AcousticBrainz features and submit them."""
        if not self.ab_extractor.available():
            return

        for file in iter_files_from_objects(objs):
            # Skip unmatched files
            if not file.can_extract():
                log.warning(
                    "AcousticBrainz requires a MusicBrainz Recording ID, but file does not have it: %s"
                    % file.filename)
            # And process matched ones
            else:
                file.set_pending()

                # Check if file was either already processed or sent to the AcousticBrainz server
                if file.acousticbrainz_features_file:
                    results = (file.acousticbrainz_features_file, 0,
                               "Writing results")
                    ab_extractor_callback(self, file, results, False)
                elif file.acousticbrainz_is_duplicate:
                    results = (None, 0, "Duplicate")
                    ab_extractor_callback(self, file, results, False)
                else:
                    file.acousticbrainz_error = False
                    # Launch the acousticbrainz on a separate process
                    log.debug("Extracting AcousticBrainz features from %s" %
                              file.filename)
                    ab_feature_extraction(
                        self, file.metadata["musicbrainz_recordingid"],
                        file.filename,
                        partial(ab_extractor_callback, self, file))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs, callback=None):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        files = iter_files_from_objects(objs)
        try:
            file = next(files)
        except StopIteration:
            files = self.unclustered_files.files
        else:
            files = itertools.chain([file], files)
        thread.run_task(partial(self._do_clustering, list(files)),
                        partial(self._clustering_finished, callback))

    def _do_clustering(self, files):
        # The clustering algorithm should completely run in the thread,
        # hence do not return the iterator.
        return list(Cluster.cluster(files))

    def _clustering_finished(self, callback, result=None, error=None):
        if error:
            log.error('Error while clustering: %r', error)
            return

        with self.window.ignore_selection_changes:
            self.window.set_sorting(False)
            for file_cluster in process_events_iter(result):
                files = set(file_cluster.files)
                if len(files) > 1:
                    cluster = self.load_cluster(file_cluster.title,
                                                file_cluster.artist)
                else:
                    cluster = self.unclustered_files
                cluster.add_files(files)
            self.window.set_sorting(True)

        if callback:
            callback()

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        super().setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.CursorShape.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        super().restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            if obj.can_refresh():
                obj.load(priority=True, refresh=True)

    def bring_tagger_front(self):
        self.window.setWindowState(self.window.windowState()
                                   & ~QtCore.Qt.WindowState.WindowMinimized
                                   | QtCore.Qt.WindowState.WindowActive)
        self.window.raise_()
        self.window.activateWindow()

    @classmethod
    def instance(cls):
        return cls.__instance

    def signal(self, signum, frame):
        log.debug("signal %i received", signum)
        # Send a notification about a received signal from the signal handler
        # to Qt.
        self.signalfd[0].sendall(b"a")

    def sighandler(self):
        self.signalnotifier.setEnabled(False)
        self.exit()
        self.quit()
        self.signalnotifier.setEnabled(True)
コード例 #10
0
ファイル: tagger.py プロジェクト: kewpdawg/picard
class Tagger(QtGui.QApplication):

    tagger_stats_changed = QtCore.pyqtSignal()
    listen_port_changed = QtCore.pyqtSignal(int)
    cluster_added = QtCore.pyqtSignal(Cluster)
    cluster_removed = QtCore.pyqtSignal(Cluster)
    album_added = QtCore.pyqtSignal(Album)
    album_removed = QtCore.pyqtSignal(Album)

    __instance = None

    def __init__(self, args, localedir, autoupdate, debug=False):
        QtGui.QApplication.__init__(self, args)
        self.__class__.__instance = self

        self._args = args
        self._autoupdate = autoupdate

        # FIXME: Figure out what's wrong with QThreadPool.globalInstance().
        # It's a valid reference, but its start() method doesn't work.
        self.thread_pool = QtCore.QThreadPool(self)

        # Use a separate thread pool for file saving, with a thread count of 1,
        # to avoid race conditions in File._save_and_rename.
        self.save_thread_pool = QtCore.QThreadPool(self)
        self.save_thread_pool.setMaxThreadCount(1)

        # Setup logging
        if debug or "PICARD_DEBUG" in os.environ:
            log.log_levels = log.log_levels | log.LOG_DEBUG
        log.debug("Starting Picard %s from %r", picard.__version__, os.path.abspath(__file__))

        # TODO remove this before the final release
        if sys.platform == "win32":
            olduserdir = "~\\Local Settings\\Application Data\\MusicBrainz Picard"
        else:
            olduserdir = "~/.picard"
        olduserdir = os.path.expanduser(olduserdir)
        if os.path.isdir(olduserdir):
            log.info("Moving %s to %s", olduserdir, USER_DIR)
            try:
                shutil.move(olduserdir, USER_DIR)
            except:
                pass

        # for compatibility with pre-1.3 plugins
        QtCore.QObject.tagger = self
        QtCore.QObject.config = config
        QtCore.QObject.log = log

        check_io_encoding()

        self._upgrade_config()

        setup_gettext(localedir, config.setting["ui_language"], log.debug)

        self.xmlws = XmlWebService()

        load_user_collections()

        # Initialize fingerprinting
        self._acoustid = acoustid.AcoustIDClient()
        self._acoustid.init()

        # Load plugins
        self.pluginmanager = PluginManager()
        if hasattr(sys, "frozen"):
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(sys.argv[0]), "plugins"))
        else:
            self.pluginmanager.load_plugindir(os.path.join(os.path.dirname(__file__), "plugins"))

        if not os.path.exists(USER_PLUGIN_DIR):
            os.makedirs(USER_PLUGIN_DIR)
        self.pluginmanager.load_plugindir(USER_PLUGIN_DIR)

        self.acoustidmanager = AcoustIDManager()
        self.browser_integration = BrowserIntegration()

        self.files = {}
        self.clusters = ClusterList()
        self.albums = {}
        self.release_groups = {}
        self.mbid_redirects = {}
        self.unmatched_files = UnmatchedFiles()
        self.nats = None
        self.window = MainWindow()

    def _upgrade_config(self):
        cfg = config._config

        # In version 1.0, the file naming formats for single and various
        # artist releases were merged.
        def upgrade_to_v1_0():
            def remove_va_file_naming_format(merge=True):
                if merge:
                    config.setting["file_naming_format"] = (
                        "$if($eq(%compilation%,1),\n$noop(Various Artist "
                        "albums)\n%s,\n$noop(Single Artist Albums)\n%s)" % (
                            config.setting["va_file_naming_format"].toString(),
                            config.setting["file_naming_format"]
                        ))
                config.setting.remove("va_file_naming_format")
                config.setting.remove("use_va_format")

            if ("va_file_naming_format" in config.setting and
                "use_va_format" in config.setting):

                if config.setting["use_va_format"].toBool():
                    remove_va_file_naming_format()
                    self.window.show_va_removal_notice()

                elif (config.setting["va_file_naming_format"].toString() !=
                      r"$if2(%albumartist%,%artist%)/%album%/$if($gt(%totaldis"
                      "cs%,1),%discnumber%-,)$num(%tracknumber%,2) %artist% - "
                      "%title%"):

                    if self.window.confirm_va_removal():
                        remove_va_file_naming_format(merge=False)
                    else:
                        remove_va_file_naming_format()
                else:
                    # default format, disabled
                    remove_va_file_naming_format(merge=False)

        cfg.register_upgrade_hook("1.0.0final0", upgrade_to_v1_0)

        cfg.run_upgrade_hooks()

    def move_files_to_album(self, files, albumid=None, album=None):
        """Move `files` to tracks on album `albumid`."""
        if album is None:
            album = self.load_album(albumid)
        if album.loaded:
            album.match_files(files)
        else:
            for file in list(files):
                file.move(album.unmatched_files)

    def move_file_to_album(self, file, albumid):
        """Move `file` to a track on album `albumid`."""
        self.move_files_to_album([file], albumid)

    def move_file_to_track(self, file, albumid, recordingid):
        """Move `file` to recording `recordingid` on album `albumid`."""
        album = self.load_album(albumid)
        file.move(album.unmatched_files)
        album.run_when_loaded(partial(album.match_file, file, recordingid))

    def create_nats(self):
        if self.nats is None:
            self.nats = NatAlbum()
            self.albums["NATS"] = self.nats
            self.album_added.emit(self.nats)
        return self.nats

    def move_file_to_nat(self, file, recordingid, node=None):
        self.create_nats()
        file.move(self.nats.unmatched_files)
        nat = self.load_nat(recordingid, node=node)
        nat.run_when_loaded(partial(file.move, nat))
        if nat.loaded:
            self.nats.update()

    def exit(self):
        self.stopping = True
        self._acoustid.done()
        self.thread_pool.waitForDone()
        self.browser_integration.stop()
        self.xmlws.stop()

    def _run_init(self):
        if self._args:
            files = []
            for file in self._args:
                if os.path.isdir(file):
                    self.add_directory(decode_filename(file))
                else:
                    files.append(decode_filename(file))
            if files:
                self.add_files(files)
            del self._args

    def run(self):
        if config.setting["browser_integration"]:
            self.browser_integration.start()
        self.window.show()
        QtCore.QTimer.singleShot(0, self._run_init)
        res = self.exec_()
        self.exit()
        return res

    def event(self, event):
        if isinstance(event, thread.ProxyToMainEvent):
            event.run()
        elif event.type() == QtCore.QEvent.FileOpen:
            f = str(event.file())
            self.add_files([f])
            # We should just return True here, except that seems to
            # cause the event's sender to get a -9874 error, so
            # apparently there's some magic inside QFileOpenEvent...
            return 1
        return QtGui.QApplication.event(self, event)

    def _file_loaded(self, file, target=None):
        if file is not None and not file.has_error():
            recordingid = file.metadata['musicbrainz_recordingid']
            if target is not None:
                self.move_files([file], target)
            elif not config.setting["ignore_file_mbids"]:
                albumid = file.metadata['musicbrainz_albumid']
                if mbid_validate(albumid):
                    if mbid_validate(recordingid):
                        self.move_file_to_track(file, albumid, recordingid)
                    else:
                        self.move_file_to_album(file, albumid)
                elif mbid_validate(recordingid):
                    self.move_file_to_nat(file, recordingid)
                elif config.setting['analyze_new_files'] and file.can_analyze():
                    self.analyze([file])
            elif config.setting['analyze_new_files'] and file.can_analyze():
                self.analyze([file])

    def move_files(self, files, target):
        if isinstance(target, (Track, Cluster)):
            for file in files:
                file.move(target)
        elif isinstance(target, File):
            for file in files:
                file.move(target.parent)
        elif isinstance(target, Album):
            self.move_files_to_album(files, album=target)
        elif isinstance(target, ClusterList):
            self.cluster(files)

    def add_files(self, filenames, target=None):
        """Add files to the tagger."""
        log.debug("Adding files %r", filenames)
        new_files = []
        for filename in filenames:
            filename = os.path.normpath(os.path.realpath(filename))
            if filename not in self.files:
                file = open_file(filename)
                if file:
                    self.files[filename] = file
                    new_files.append(file)
        if new_files:
            if target is None or target is self.unmatched_files:
                self.unmatched_files.add_files(new_files)
                target = None
            for file in new_files:
                file.load(partial(self._file_loaded, target=target))

    def add_directory(self, path):
        walk = os.walk(unicode(path))

        def get_files():
            try:
                root, dirs, files = walk.next()
            except StopIteration:
                return None
            else:
                self.window.set_statusbar_message(N_("Loading directory %s"), root)
                return (os.path.join(root, f) for f in files)

        def process(result=None, error=None):
            if result:
                if error is None:
                    self.add_files(result)
                thread.run_task(get_files, process)

        process(True, False)

    def get_file_lookup(self):
        """Return a FileLookup object."""
        return FileLookup(self, config.setting["server_host"],
                          config.setting["server_port"],
                          self.browser_integration.port)

    def search(self, text, type, adv=False):
        """Search on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        getattr(lookup, type + "Search")(text, adv)

    def browser_lookup(self, item):
        """Lookup the object's metadata on the MusicBrainz website."""
        lookup = self.get_file_lookup()
        metadata = item.metadata
        albumid = metadata["musicbrainz_albumid"]
        recordingid = metadata["musicbrainz_recordingid"]
        # Only lookup via MB IDs if matched to a DataObject; otherwise ignore and use metadata details
        if isinstance(item, Track) and recordingid:
            lookup.recordingLookup(recordingid)
        elif isinstance(item, Album) and albumid:
            lookup.albumLookup(albumid)
        else:
            lookup.tagLookup(
                metadata["albumartist"] if item.is_album_like() else metadata["artist"],
                metadata["album"],
                metadata["title"],
                metadata["tracknumber"],
                '' if item.is_album_like() else str(metadata.length),
                item.filename if isinstance(item, File) else '')

    def get_files_from_objects(self, objects, save=False):
        """Return list of files from list of albums, clusters, tracks or files."""
        return uniqify(chain(*[obj.iterfiles(save) for obj in objects]))

    def save(self, objects):
        """Save the specified objects."""
        files = self.get_files_from_objects(objects, save=True)
        for file in files:
            file.save()

    def load_album(self, id, discid=None):
        id = self.mbid_redirects.get(id, id)
        album = self.albums.get(id)
        if album:
            return album
        album = Album(id, discid=discid)
        self.albums[id] = album
        self.album_added.emit(album)
        album.load()
        return album

    def load_nat(self, id, node=None):
        self.create_nats()
        nat = self.get_nat_by_id(id)
        if nat:
            return nat
        nat = NonAlbumTrack(id)
        self.nats.tracks.append(nat)
        self.nats.update(True)
        if node:
            nat._parse_recording(node)
        else:
            nat.load()
        return nat

    def get_nat_by_id(self, id):
        if self.nats is not None:
            for nat in self.nats.tracks:
                if nat.id == id:
                    return nat

    def get_release_group_by_id(self, id):
        return self.release_groups.setdefault(id, ReleaseGroup(id))

    def remove_files(self, files, from_parent=True):
        """Remove files from the tagger."""
        for file in files:
            if file.filename in self.files:
                file.clear_lookup_task()
                self._acoustid.stop_analyze(file)
                del self.files[file.filename]
                file.remove(from_parent)

    def remove_album(self, album):
        """Remove the specified album."""
        log.debug("Removing %r", album)
        album.stop_loading()
        self.remove_files(self.get_files_from_objects([album]))
        del self.albums[album.id]
        if album.release_group:
            album.release_group.remove_album(album.id)
        if album == self.nats:
            self.nats = None
        self.album_removed.emit(album)

    def remove_cluster(self, cluster):
        """Remove the specified cluster."""
        if not cluster.special:
            log.debug("Removing %r", cluster)
            files = list(cluster.files)
            cluster.files = []
            cluster.clear_lookup_task()
            self.remove_files(files, from_parent=False)
            self.clusters.remove(cluster)
            self.cluster_removed.emit(cluster)

    def remove(self, objects):
        """Remove the specified objects."""
        files = []
        for obj in objects:
            if isinstance(obj, File):
                files.append(obj)
            elif isinstance(obj, Track):
                files.extend(obj.linked_files)
            elif isinstance(obj, Album):
                self.remove_album(obj)
            elif isinstance(obj, Cluster):
                self.remove_cluster(obj)
        if files:
            self.remove_files(files)

    def _lookup_disc(self, disc, result=None, error=None):
        self.restore_cursor()
        if error is not None:
            QtGui.QMessageBox.critical(self.window, _(u"CD Lookup Error"),
                _(u"Error while reading CD:\n\n%s") % error)
        else:
            disc.lookup()

    def lookup_cd(self, action):
        """Reads CD from the selected drive and tries to lookup the DiscID on MusicBrainz."""
        if isinstance(action, QtGui.QAction):
            device = unicode(action.text())
        elif config.setting["cd_lookup_device"] != '':
            device = config.setting["cd_lookup_device"].split(",", 1)[0]
        else:
            # rely on python-discid auto detection
            device = None

        disc = Disc()
        self.set_wait_cursor()
        thread.run_task(
            partial(disc.read, encode_filename(device)),
            partial(self._lookup_disc, disc))

    @property
    def use_acoustid(self):
        return config.setting["fingerprinting_system"] == "acoustid"

    def analyze(self, objs):
        """Analyze the file(s)."""
        files = self.get_files_from_objects(objs)
        for file in files:
            file.set_pending()
            if self.use_acoustid:
                self._acoustid.analyze(file, partial(file._lookup_finished, 'acoustid'))

    # =======================================================================
    #  Metadata-based lookups
    # =======================================================================

    def autotag(self, objects):
        for obj in objects:
            if obj.can_autotag():
                obj.lookup_metadata()

    # =======================================================================
    #  Clusters
    # =======================================================================

    def cluster(self, objs):
        """Group files with similar metadata to 'clusters'."""
        log.debug("Clustering %r", objs)
        if len(objs) <= 1 or self.unmatched_files in objs:
            files = list(self.unmatched_files.files)
        else:
            files = self.get_files_from_objects(objs)
        fcmp = lambda a, b: (
            cmp(a.discnumber, b.discnumber) or
            cmp(a.tracknumber, b.tracknumber) or
            cmp(a.base_filename, b.base_filename))
        for name, artist, files in Cluster.cluster(files, 1.0):
            QtCore.QCoreApplication.processEvents()
            cluster = self.load_cluster(name, artist)
            for file in sorted(files, fcmp):
                file.move(cluster)

    def load_cluster(self, name, artist):
        for cluster in self.clusters:
            cm = cluster.metadata
            if name == cm["album"] and artist == cm["albumartist"]:
                return cluster
        cluster = Cluster(name, artist)
        self.clusters.append(cluster)
        self.cluster_added.emit(cluster)
        return cluster

    # =======================================================================
    #  Utils
    # =======================================================================

    def set_wait_cursor(self):
        """Sets the waiting cursor."""
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))

    def restore_cursor(self):
        """Restores the cursor set by ``set_wait_cursor``."""
        QtGui.QApplication.restoreOverrideCursor()

    def refresh(self, objs):
        for obj in objs:
            obj.load()

    @classmethod
    def instance(cls):
        return cls.__instance