def init():
    global browsers

    # ignore double init (for the test suite)
    if browsers:
        return

    this_dir = os.path.dirname(__file__)
    load_pyc = os.name == 'nt'
    modules = load_dir_modules(this_dir,
                               package=__package__,
                               load_compiled=load_pyc)

    user_dir = os.path.join(quodlibet.get_user_dir(), "browsers")
    if os.path.isdir(user_dir):
        modules += load_dir_modules(user_dir,
                                    package="quodlibet.fake.browsers",
                                    load_compiled=load_pyc)

    for browser in modules:
        try:
            browsers.extend(browser.browsers)
        except AttributeError:
            print_w("%r doesn't contain any browsers." % browser.__name__)

    def is_browser(Kind):
        return isinstance(Kind, type) and issubclass(Kind, Browser)
    browsers = filter(is_browser, browsers)

    if not browsers:
        raise SystemExit("No browsers found!")

    browsers.sort(key=lambda Kind: Kind.priority)

def errorhook(exc_info=None):
    """This is the main entry point

    Call in an exception context. Thread safe.

    def my_thread():
        try:
            do_work()
        except Exception:
            errorhook()
    """

    global _error_lock, _errorhook_enabled

    if not _errorhook_enabled:
        return

    if exc_info is None:
        exc_info = sys.exc_info()

    if exc_info[0] is None:
        # called outside of an exception context, just ignore
        print_e("no active exception!")
        return

    # In case something goes wrong during error handling print it first
    print_exc(exc_info)

    if not _error_lock.acquire(False):
        # Make sure only one of these is active at a time
        return

    # write error and logs to disk
    dump_dir = os.path.join(quodlibet.get_user_dir(), "dumps")
    dump_to_disk(dump_dir, exc_info)

    sentry = get_sentry()

    # For crashes the stack trace is not enough to differentiating different
    # crash sources. We need to give our own grouping key (fingerprint) based
    # on the stack trace provided by faulthandler.
    fingerprint = None
    if isinstance(exc_info[1], FaultHandlerCrash):
        fingerprint = ["{{ default }}", exc_info[1].get_grouping_key()]

    try:
        sentry_error = sentry.capture(exc_info, fingerprint=fingerprint)
    except SentryError:
        sentry_error = None

    def called_in_main_thread():
        try:
            run_error_dialogs(exc_info, sentry_error)
        finally:
            _error_lock.release()

    if is_main_thread():
        called_in_main_thread()
    else:
        GLib.idle_add(called_in_main_thread)

 def parse_body(self, body, query_path_=None):
     if body is None:
         raise QueryPluginError
     body = body.strip().lower()
     # Use provided query file for testing
     if query_path_:
         query_path = query_path_
     else:
         query_path = os.path.join(get_user_dir(), 'lists', 'queries.saved')
     try:
         with open(query_path, 'rU') as query_file:
             for query_string in query_file:
                 name = next(query_file).strip().lower()
                 if name == body:
                     try:
                         return Query(query_string.strip())
                     except QueryError:
                         raise QueryPluginError
         # We've searched the whole file and haven't found a match
         raise QueryPluginError
     except IOError:
         raise QueryPluginError
     except StopIteration:
         # The file has an odd number of lines. This shouldn't happen unless
         # it has been externally modified
         raise QueryPluginError

    def __init__(self, parent, player, library):
        super(TopBar, self).__init__()

        # play controls
        control_item = Gtk.ToolItem()
        self.insert(control_item, 0)
        t = PlayControls(player, library.librarian)
        self.volume = t.volume

        # only restore the volume in case it is managed locally, otherwise
        # this could affect the system volume
        if not player.has_external_volume:
            player.volume = config.getfloat("memory", "volume")

        connect_destroy(player, "notify::volume", self._on_volume_changed)
        control_item.add(t)

        self.insert(Gtk.SeparatorToolItem(), 1)

        info_item = Gtk.ToolItem()
        self.insert(info_item, 2)
        info_item.set_expand(True)

        box = Gtk.Box(spacing=6)
        info_item.add(box)
        qltk.add_css(self, "GtkToolbar {padding: 3px;}")

        self._pattern_box = Gtk.VBox()

        # song text
        info_pattern_path = os.path.join(quodlibet.get_user_dir(), "songinfo")
        text = SongInfo(library.librarian, player, info_pattern_path)
        self._pattern_box.pack_start(Align(text, border=3), True, True, 0)
        box.pack_start(self._pattern_box, True, True, 0)

        # cover image
        self.image = CoverImage(resize=True)
        connect_destroy(player, 'song-started', self.__new_song)

        # FIXME: makes testing easier
        if app.cover_manager:
            connect_destroy(
                app.cover_manager, 'cover-changed',
                self.__song_art_changed, library)

        box.pack_start(Align(self.image, border=2), False, True, 0)

        # On older Gtk+ (3.4, at least)
        # setting a margin on CoverImage leads to errors and result in the
        # QL window not being visible for some reason.
        assert self.image.props.margin == 0

        for child in self.get_children():
            child.show_all()

        context = self.get_style_context()
        context.add_class("primary-toolbar")

def main(argv):
    import quodlibet
    from quodlibet.qltk import add_signal_watch, icons

    add_signal_watch(app.quit)

    opts = util.OptionParser("Ex Falso", const.VERSION, _("an audio tag editor"), "[%s]" % _("directory"))

    # FIXME: support unicode on Windows, sys.argv isn't good enough
    argv.append(os.path.abspath(fsnative(u".")))
    opts, args = opts.parse(argv[1:])
    args[0] = os.path.realpath(args[0])

    config.init(os.path.join(quodlibet.get_user_dir(), "config"))

    app.name = "Ex Falso"
    app.id = "exfalso"

    quodlibet.init(icon=icons.EXFALSO, name=app.name, proc_title=app.id)

    import quodlibet.library
    import quodlibet.player

    app.library = quodlibet.library.init()
    app.player = quodlibet.player.init_player("nullbe", app.librarian)
    from quodlibet.qltk.songlist import PlaylistModel

    app.player.setup(PlaylistModel(), None, 0)
    pm = quodlibet.init_plugins()
    pm.rescan()

    from quodlibet.qltk.exfalsowindow import ExFalsoWindow

    dir_ = args[0]
    if os.name == "nt":
        dir_ = fsdecode(dir_)
    app.window = ExFalsoWindow(app.library, dir_)
    app.window.init_plugins()

    from quodlibet.util.cover import CoverManager

    app.cover_manager = CoverManager()
    app.cover_manager.init_plugins()

    from quodlibet.qltk import session

    session.init("exfalso")

    quodlibet.enable_periodic_save(save_library=False)
    quodlibet.main(app.window)

    quodlibet.finish_first_session(app.id)
    config.save()

    print_d("Finished shutdown.")

def main(argv=None):
    if argv is None:
        argv = sys_argv

    import quodlibet

    config_file = os.path.join(quodlibet.get_user_dir(), "config")
    quodlibet.init(config_file=config_file)

    from quodlibet.qltk import add_signal_watch
    add_signal_watch(app.quit)

    opts = util.OptionParser(
        "Ex Falso", const.VERSION,
        _("an audio tag editor"), "[%s]" % _("directory"))

    argv.append(os.path.abspath(fsnative(u".")))
    opts, args = opts.parse(argv[1:])
    args[0] = os.path.realpath(args[0])

    app.name = "Ex Falso"
    app.description = _("Audio metadata editor")
    app.id = "exfalso"
    app.process_name = "exfalso"
    quodlibet.set_application_info(app)

    import quodlibet.library
    import quodlibet.player
    app.library = quodlibet.library.init()
    app.player = quodlibet.player.init_player("nullbe", app.librarian)
    from quodlibet.qltk.songlist import PlaylistModel
    app.player.setup(PlaylistModel(), None, 0)
    pm = quodlibet.init_plugins()
    pm.rescan()

    from quodlibet.qltk.exfalsowindow import ExFalsoWindow
    dir_ = args[0]
    app.window = ExFalsoWindow(app.library, dir_)
    app.window.init_plugins()

    from quodlibet.util.cover import CoverManager
    app.cover_manager = CoverManager()
    app.cover_manager.init_plugins()

    from quodlibet import session
    session_client = session.init(app)

    quodlibet.enable_periodic_save(save_library=False)
    quodlibet.run(app.window)
    quodlibet.finish_first_session("exfalso")
    config.save()

    session_client.close()

    util.print_d("Finished shutdown.")

def update_feeds(subscriptions):
    feeds = []
    with open(os.path.join(quodlibet.get_user_dir(), "feeds"), "rb") as f:
        try:
            feeds = pickle.load(f)
        except:
            print_d("Couldn't read feeds.")

    subbed = frozenset([f.uri for f in feeds])
    newfeeds = list()

    for subscription in subscriptions:
        try:
            r = requests.get(subscription)
        except requests.exceptions.ConnectionError as e:
            print_d("ConnectionError %s - %s" % (subscription, e));
            continue

        if not r.status_code == 200:
            print_d("Cannot access %s - %i" % (subscription, r.status_code))
            continue

        feed = Feed(subscription)
        if feed.uri in subbed:
            print_d("Feed already subscribed: %s" % subscription)
            continue
        feed.changed = feed.parse()
        if feed:
            print_d("Appending %s" % subscription)
            feeds.append(feed)
            newfeeds.append(feed)
        else:
            print_d("Feed could not be added: %s" % subscription)

    print_d("Adding %i feeds." % len(newfeeds))
    with open(os.path.join(quodlibet.get_user_dir(), "feeds"), "wb") as f:
        pickle.dump(feeds, f)
    app.browser.reload(app.library)  # adds feeds

    def __init__(self, filename=None, completion=None, accel_group=None,
                 timeout=DEFAULT_TIMEOUT, validator=Query.validator,
                 star=None):
        super(SearchBarBox, self).__init__(spacing=6)

        if filename is None:
            filename = os.path.join(
                quodlibet.get_user_dir(), "lists", "queries")

        combo = ComboBoxEntrySave(filename, count=8,
                                  validator=validator,
                                  title=_("Saved Searches"),
                                  edit_title=_(u"Edit saved searches…"))

        self.__deferred_changed = DeferredSignal(
            self.__filter_changed, timeout=timeout, owner=self)

        self.__combo = combo
        entry = combo.get_child()
        self.__entry = entry
        if completion:
            entry.set_completion(completion)

        self._star = star
        self._query = None
        self.__sig = combo.connect('text-changed', self.__text_changed)

        entry.connect('clear', self.__filter_changed)
        entry.connect('backspace', self.__text_changed)
        entry.connect('populate-popup', self.__menu)
        entry.connect('activate', self.__filter_changed)
        entry.connect('activate', self.__save_search)
        entry.connect('focus-out-event', self.__save_search)
        entry.connect('key-press-event', self.__key_pressed)

        entry.set_placeholder_text(_("Search"))
        entry.set_tooltip_text(_("Search your library, "
                                 "using free text or QL queries"))

        combo.enable_clear_button()
        self.pack_start(combo, True, True, 0)

        if accel_group:
            key, mod = Gtk.accelerator_parse("<Primary>L")
            accel_group.connect(key, mod, 0,
                    lambda *x: entry.mnemonic_activate(True))

        for child in self.get_children():
            child.show_all()

def get_thumbnail_folder():
    """Returns a path to the thumbnail folder.

    The returned path might not exist.
    """

    if os.name == "nt":
        thumb_folder = os.path.join(quodlibet.get_user_dir(), "thumbnails")
    else:
        cache_folder = os.path.join(xdg_get_cache_home(), "thumbnails")
        thumb_folder = os.path.expanduser('~/.thumbnails')
        if os.path.exists(cache_folder) or not os.path.exists(thumb_folder):
            thumb_folder = cache_folder

    return thumb_folder

def init():
    """Import all browsers from this package and from the user directory.

    After this is called the global `browers` list will contain all
    classes sorted by priority.

    Can be called multiple times.
    """

    global browsers, default

    # ignore double init (for the test suite)
    if browsers:
        return

    this_dir = os.path.dirname(__file__)
    load_pyc = util.is_windows() or util.is_osx()
    modules = load_dir_modules(this_dir,
                               package=__package__,
                               load_compiled=load_pyc)

    user_dir = os.path.join(quodlibet.get_user_dir(), "browsers")
    if os.path.isdir(user_dir):
        modules += load_dir_modules(user_dir,
                                    package="quodlibet.fake.browsers",
                                    load_compiled=load_pyc)

    for browser in modules:
        try:
            browsers.extend(browser.browsers)
        except AttributeError:
            print_w("%r doesn't contain any browsers." % browser.__name__)

    def is_browser(Kind):
        return isinstance(Kind, type) and issubclass(Kind, Browser)
    browsers = filter(is_browser, browsers)

    if not browsers:
        raise SystemExit("No browsers found!")

    browsers.sort(key=lambda Kind: Kind.priority)

    try:
        default = get("SearchBar")
    except ValueError:
        raise SystemExit("Default browser not found!")

from quodlibet.qltk.getstring import GetStringDialog
from quodlibet.qltk.songsmenu import SongsMenu
from quodlibet.qltk.notif import Task
from quodlibet.qltk import Icons
from quodlibet.util import copool, connect_destroy, sanitize_tags, connect_obj
from quodlibet.util.string import decode, encode
from quodlibet.util.uri import URI
from quodlibet.qltk.views import AllTreeView
from quodlibet.qltk.searchbar import SearchBarBox
from quodlibet.qltk.completion import LibraryTagCompletion
from quodlibet.qltk.x import MenuItem, Align, ScrolledWindow
from quodlibet.qltk.x import SymbolicIconImage
from quodlibet.qltk.menubutton import MenuButton

STATION_LIST_URL = "http://bitbucket.org/lazka/quodlibet/downloads/radiolist.bz2"
STATIONS_FAV = os.path.join(quodlibet.get_user_dir(), "stations")
STATIONS_ALL = os.path.join(quodlibet.get_user_dir(), "stations_all")

# TODO: - Do the update in a thread
#       - Ranking: reduce duplicate stations (max 3 URLs per station)
#                  prefer stations that match a genre?

# Migration path for pickle
sys.modules["browsers.iradio"] = sys.modules[__name__]


class IRFile(RemoteFile):
    multisong = True
    can_add = False

    format = "Radio Station"

from quodlibet.plugins import PluginManager
from quodlibet.pattern import FileFromPattern
from quodlibet.qltk._editutils import FilterPluginBox, FilterCheckButton
from quodlibet.qltk._editutils import EditingPluginHandler
from quodlibet.qltk.views import TreeViewColumn
from quodlibet.qltk.cbes import ComboBoxEntrySave
from quodlibet.qltk.models import ObjectStore
from quodlibet.qltk import Icons, Button
from quodlibet.qltk.wlw import WritingWindow
from quodlibet.util import connect_obj, gdecode
from quodlibet.util.path import fsdecode, fsnative
from quodlibet.util.path import strip_win32_incompat_from_path


NBP = os.path.join(quodlibet.get_user_dir(), "lists", "renamepatterns")
NBP_EXAMPLES = """\
<tracknumber>. <title>
<tracknumber|<tracknumber>. ><title>
<tracknumber> - <title>
<tracknumber> - <artist> - <title>
/path/<artist> - <album>/<tracknumber>. <title>
/path/<artist>/<album>/<tracknumber> - <title>"""


class SpacesToUnderscores(FilterCheckButton):
    _label = _("Replace spaces with _underscores")
    _section = "rename"
    _key = "spaces"
    _order = 1.0

from quodlibet import util
from quodlibet import app

from quodlibet.browsers import Browser
from quodlibet.formats import AudioFile
from quodlibet.formats.remote import RemoteFile
from quodlibet.qltk.getstring import GetStringDialog
from quodlibet.qltk.msg import ErrorMessage
from quodlibet.qltk.views import AllTreeView
from quodlibet.qltk import Icons
from quodlibet.util import connect_obj, print_w
from quodlibet.qltk.x import ScrolledWindow, Align, Button, MenuItem
from quodlibet.util.picklehelper import pickle_load, pickle_dump, PickleError


FEEDS = os.path.join(quodlibet.get_user_dir(), "feeds")
DND_URI_LIST, DND_MOZ_URL = range(2)

# Migration path for pickle
sys.modules["browsers.audiofeeds"] = sys.modules[__name__]


class InvalidFeed(ValueError):
    pass


class Feed(list):
    def __init__(self, uri):
        self.name = _("Unknown")
        self.uri = uri
        self.changed = False

#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

import os
import io

import quodlibet
from quodlibet import _
from quodlibet import util
from quodlibet.qltk import Icons
from quodlibet.plugins.events import EventPlugin

outfile = os.path.join(quodlibet.get_user_dir(), "jabber")
format = """\
<tune xmlns='http://jabber.org/protocol/tune'>
 <artist>%s</artist>
 <title>%s</title>
 <source>%s</source>
 <track>%d</track>
 <length>%d</length>
</tune>"""


class JEP118(EventPlugin):
    PLUGIN_ID = "JEP-118"
    PLUGIN_NAME = _("JEP-118")
    PLUGIN_DESC = _("Outputs a Jabber User Tunes file to ~/.quodlibet/jabber.")
    PLUGIN_ICON = Icons.DOCUMENT_SAVE

def main(argv):
    import quodlibet

    quodlibet.init_cli()

    try:
        # we want basic commands not to import gtk (doubles process time)
        assert "gi.repository.Gtk" not in sys.modules
        sys.modules["gi.repository.Gtk"] = None
        startup_actions, cmds_todo = process_arguments(argv)
    finally:
        sys.modules.pop("gi.repository.Gtk", None)

    quodlibet.init()

    from quodlibet import app
    from quodlibet.qltk import add_signal_watch, Icons
    add_signal_watch(app.quit)

    import quodlibet.player
    import quodlibet.library
    from quodlibet import config
    from quodlibet import browsers
    from quodlibet import util
    from quodlibet.util.string import decode

    app.name = "Quod Libet"
    app.id = "quodlibet"
    quodlibet.set_application_info(Icons.QUODLIBET, app.id, app.name)

    config.init(os.path.join(quodlibet.get_user_dir(), "config"))

    library_path = os.path.join(quodlibet.get_user_dir(), "songs")

    print_d("Initializing main library (%s)" % (
            quodlibet.util.path.unexpand(library_path)))

    library = quodlibet.library.init(library_path)
    app.library = library

    # this assumes that nullbe will always succeed
    from quodlibet.player import PlayerError
    wanted_backend = os.environ.get(
        "QUODLIBET_BACKEND", config.get("player", "backend"))
    backend_traceback = None
    for backend in [wanted_backend, "nullbe"]:
        try:
            player = quodlibet.player.init_player(backend, app.librarian)
        except PlayerError:
            backend_traceback = decode(traceback.format_exc())
        else:
            break
    app.player = player

    os.environ["PULSE_PROP_media.role"] = "music"
    os.environ["PULSE_PROP_application.icon_name"] = "quodlibet"

    browsers.init()

    from quodlibet.qltk.songlist import SongList, get_columns

    from quodlibet.util.collection import Album
    try:
        cover_size = config.getint("browsers", "cover_size")
    except config.Error:
        pass
    else:
        if cover_size > 0:
            Album.COVER_SIZE = cover_size

    headers = get_columns()
    SongList.set_all_column_headers(headers)

    for opt in config.options("header_maps"):
        val = config.get("header_maps", opt)
        util.tags.add(opt, val)

    in_all = ("~filename ~uri ~#lastplayed ~#rating ~#playcount ~#skipcount "
              "~#added ~#bitrate ~current ~#laststarted ~basename "
              "~dirname").split()
    for Kind in browsers.browsers:
        if Kind.headers is not None:
            Kind.headers.extend(in_all)
        Kind.init(library)

    pm = quodlibet.init_plugins("no-plugins" in startup_actions)

    if hasattr(player, "init_plugins"):
        player.init_plugins()

    from quodlibet.qltk import unity
    unity.init("quodlibet.desktop", player)

    from quodlibet.qltk.songsmenu import SongsMenu
    SongsMenu.init_plugins()

    from quodlibet.util.cover import CoverManager
    app.cover_manager = CoverManager()
    app.cover_manager.init_plugins()

#.........这里部分代码省略.........

def main(argv=None):
    if argv is None:
        argv = sys_argv

    import quodlibet

    config_file = os.path.join(quodlibet.get_user_dir(), "config")
    quodlibet.init_cli(config_file=config_file)

    try:
        # we want basic commands not to import gtk (doubles process time)
        assert "gi.repository.Gtk" not in sys.modules
        sys.modules["gi.repository.Gtk"] = None
        startup_actions, cmds_todo = process_arguments(argv)
    finally:
        sys.modules.pop("gi.repository.Gtk", None)

    quodlibet.init()

    from quodlibet import app
    from quodlibet.qltk import add_signal_watch, Icons
    add_signal_watch(app.quit)

    import quodlibet.player
    import quodlibet.library
    from quodlibet import config
    from quodlibet import browsers
    from quodlibet import util

    app.name = "Quod Libet"
    app.description = _("Music player and music library manager")
    app.id = "quodlibet"
    quodlibet.set_application_info(Icons.QUODLIBET, app.id, app.name)

    library_path = os.path.join(quodlibet.get_user_dir(), "songs")

    print_d("Initializing main library (%s)" % (
            quodlibet.util.path.unexpand(library_path)))

    library = quodlibet.library.init(library_path)
    app.library = library

    # this assumes that nullbe will always succeed
    from quodlibet.player import PlayerError
    wanted_backend = environ.get(
        "QUODLIBET_BACKEND", config.get("player", "backend"))

    try:
        player = quodlibet.player.init_player(wanted_backend, app.librarian)
    except PlayerError:
        print_exc()
        player = quodlibet.player.init_player("nullbe", app.librarian)

    app.player = player

    environ["PULSE_PROP_media.role"] = "music"
    environ["PULSE_PROP_application.icon_name"] = "quodlibet"

    browsers.init()

    from quodlibet.qltk.songlist import SongList, get_columns

    headers = get_columns()
    SongList.set_all_column_headers(headers)

    for opt in config.options("header_maps"):
        val = config.get("header_maps", opt)
        util.tags.add(opt, val)

    in_all = ("~filename ~uri ~#lastplayed ~#rating ~#playcount ~#skipcount "
              "~#added ~#bitrate ~current ~#laststarted ~basename "
              "~dirname").split()
    for Kind in browsers.browsers:
        if Kind.headers is not None:
            Kind.headers.extend(in_all)
        Kind.init(library)

    pm = quodlibet.init_plugins("no-plugins" in startup_actions)

    if hasattr(player, "init_plugins"):
        player.init_plugins()

    from quodlibet.qltk import unity
    unity.init("quodlibet.desktop", player)

    from quodlibet.qltk.songsmenu import SongsMenu
    SongsMenu.init_plugins()

    from quodlibet.util.cover import CoverManager
    app.cover_manager = CoverManager()
    app.cover_manager.init_plugins()

    from quodlibet.plugins.playlist import PLAYLIST_HANDLER
    PLAYLIST_HANDLER.init_plugins()

    from quodlibet.plugins.query import QUERY_HANDLER
    QUERY_HANDLER.init_plugins()

    from gi.repository import GLib

#.........这里部分代码省略.........

from quodlibet.formats import AudioFileError
from quodlibet.plugins import PluginManager
from quodlibet.qltk._editutils import FilterPluginBox, FilterCheckButton
from quodlibet.qltk._editutils import EditingPluginHandler, OverwriteWarning
from quodlibet.qltk._editutils import WriteFailedError
from quodlibet.qltk.wlw import WritingWindow
from quodlibet.qltk.views import TreeViewColumn
from quodlibet.qltk.cbes import ComboBoxEntrySave
from quodlibet.qltk.models import ObjectStore
from quodlibet.qltk import Icons
from quodlibet.util.tagsfrompath import TagsFromPattern
from quodlibet.util.string.splitters import split_value
from quodlibet.util import connect_obj, gdecode


TBP = os.path.join(quodlibet.get_user_dir(), "lists", "tagpatterns")
TBP_EXAMPLES = """\
<tracknumber>. <title>
<tracknumber> - <title>
<tracknumber> - <artist> - <title>
<artist> - <album>/<tracknumber>. <title>
<artist>/<album>/<tracknumber> - <title>"""


class UnderscoresToSpaces(FilterCheckButton):
    _label = _("Replace _underscores with spaces")
    _section = "tagsfrompath"
    _key = "underscores"
    _order = 1.0

    def filter(self, tag, value):

from glob import glob

from gi.repository import Gtk, GLib, GdkPixbuf

import quodlibet
from quodlibet import util
from quodlibet import app

from quodlibet.devices._base import Device
from quodlibet.library import SongFileLibrary
from quodlibet.pattern import FileFromPattern
from quodlibet.qltk.msg import ConfirmFileReplace
from quodlibet.util.path import (mtime, escape_filename,
    strip_win32_incompat_from_path)

CACHE = os.path.join(quodlibet.get_user_dir(), 'cache')


class StorageDevice(Device):
    protocol = 'storage'

    defaults = {
        'pattern': '<artist>/<album>/<title>',
        'covers': True,
        'unclutter': True,
    }

    __library = None
    __pattern = None

    def __init__(self, backend_id, device_id):

                               package=__package__,
                               load_compiled=load_pyc)

    for mod in modules:
        try:
            devices.extend(mod.devices)
        except AttributeError:
            print_w("%r doesn't contain any devices." % mod.__name__)

    devices.sort()


if not util.is_osx() and not util.is_windows():
    init_devices()

DEVICES = os.path.join(quodlibet.get_user_dir(), "devices")

config = ConfigParser.RawConfigParser()
config.read(DEVICES)


def write():
    f = file(DEVICES, 'w')
    config.write(f)
    f.close()


# Return a constructor for a device given by a string
def get(name):
    try:
        return devices[[d.__name__ for d in devices].index(name)]

    def __init__(self, library, player, headless=False, restore_cb=None):
        super(QuodLibetWindow, self).__init__(dialog=False)
        self.last_dir = get_home_dir()

        self.__destroyed = False
        self.__update_title(player)
        self.set_default_size(550, 450)

        main_box = Gtk.VBox()
        self.add(main_box)

        # create main menubar, load/restore accelerator groups
        self.__library = library
        ui = self.__create_menu(player, library)
        accel_group = ui.get_accel_group()
        self.add_accel_group(accel_group)

        def scroll_and_jump(*args):
            self.__jump_to_current(True, True)

        keyval, mod = Gtk.accelerator_parse("<control><shift>J")
        accel_group.connect(keyval, mod, 0, scroll_and_jump)

        # dbus app menu
        # Unity puts the app menu next to our menu bar. Since it only contains
        # menu items also available in the menu bar itself, don't add it.
        if not util.is_unity():
            AppMenu(self, ui.get_action_groups()[0])

        # custom accel map
        accel_fn = os.path.join(quodlibet.get_user_dir(), "accels")
        Gtk.AccelMap.load(accel_fn)
        # save right away so we fill the file with example comments of all
        # accels
        Gtk.AccelMap.save(accel_fn)

        menubar = ui.get_widget("/Menu")

        # Since https://git.gnome.org/browse/gtk+/commit/?id=b44df22895c79
        # toplevel menu items show an empty 16x16 image. While we don't
        # need image items there UIManager creates them by default.
        # Work around by removing the empty GtkImages
        for child in menubar.get_children():
            if isinstance(child, Gtk.ImageMenuItem):
                child.set_image(None)

        main_box.pack_start(menubar, False, True, 0)

        # get the playlist up before other stuff
        self.songlist = MainSongList(library, player)
        self.songlist.show_all()
        self.songlist.connect("key-press-event", self.__songlist_key_press)
        self.songlist.connect_after(
            'drag-data-received', self.__songlist_drag_data_recv)
        self.song_scroller = SongListScroller(
            ui.get_widget("/Menu/View/SongList"))
        self.song_scroller.add(self.songlist)
        self.qexpander = QueueExpander(
            ui.get_widget("/Menu/View/Queue"), library, player)
        self.playlist = PlaylistMux(
            player, self.qexpander.model, self.songlist.model)

        top_bar = TopBar(self, player, library)
        main_box.pack_start(top_bar, False, True, 0)
        self.top_bar = top_bar

        self.__browserbox = Align(bottom=3)
        main_box.pack_start(self.__browserbox, True, True, 0)

        statusbox = StatusBarBox(self.songlist.model, player)
        self.order = statusbox.order
        self.repeat = statusbox.repeat
        self.statusbar = statusbox.statusbar

        main_box.pack_start(
            Align(statusbox, border=3, top=-3, right=3),
            False, True, 0)

        self.songpane = ConfigRVPaned("memory", "queue_position", 0.75)
        self.songpane.pack1(self.song_scroller, resize=True, shrink=False)
        self.songpane.pack2(self.qexpander, resize=True, shrink=False)
        self.__handle_position = self.songpane.get_property("position")

        def songpane_button_press_cb(pane, event):
            """If we start to drag the pane handle while the
            queue expander is unexpanded, expand it and move the handle
            to the bottom, so we can 'drag' the queue out
            """

            if event.window != pane.get_handle_window():
                return False

            if not self.qexpander.get_expanded():
                self.qexpander.set_expanded(True)
                pane.set_relative(1.0)
            return False

        self.songpane.connect("button-press-event", songpane_button_press_cb)

        self.song_scroller.connect('notify::visible', self.__show_or)
#.........这里部分代码省略.........