Python mainwindow.MainWindow類代碼示例

#.........這裏部分代碼省略.........
        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`."""

#.........這裏部分代碼省略.........
        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 = []

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"]
#.........這裏部分代碼省略.........

    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()

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()
#.........這裏部分代碼省略.........

    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")

#.........這裏部分代碼省略.........

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()

#.........這裏部分代碼省略.........

    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()

#.........這裏部分代碼省略.........
        # 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)

#.........這裏部分代碼省略.........
        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)