def setUp(self):
        try:
            shutil.rmtree(PLAYLISTS)
        except OSError:
            pass

        mkdir(PLAYLISTS)

        self.lib = quodlibet.browsers.playlists.library = SongLibrary()
        self.lib.librarian = SongLibrarian()
        all_songs = SONGS + [self.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        self.lib.add(all_songs)

        pl = Playlist.new(PLAYLISTS, "Big", self.lib)
        pl.extend(SONGS)
        pl.write()

        pl = Playlist.new(PLAYLISTS, "Small", self.lib)
        pl.extend([self.ANOTHER_SONG])
        pl.write()

        PlaylistsBrowser.init(self.lib)

        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

    def setUp(self):
        # Testing locally is VERY dangerous without this...
        self.assertTrue(_TEMP_DIR in PLAYLISTS or os.name == "nt",
                        msg="Failing, don't want to delete %s" % PLAYLISTS)
        try:
            shutil.rmtree(PLAYLISTS)
        except OSError:
            pass

        mkdir(PLAYLISTS)

        self.lib = quodlibet.browsers.playlists.library = SongLibrary()
        self.lib.librarian = SongLibrarian()
        all_songs = SONGS + [self.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        self.lib.add(all_songs)

        self.big = pl = FileBackedPlaylist.new(PLAYLISTS, "Big", self.lib)
        pl.extend(SONGS)
        pl.write()

        self.small = pl = FileBackedPlaylist.new(PLAYLISTS, "Small", self.lib)
        pl.extend([self.ANOTHER_SONG])
        pl.write()

        PlaylistsBrowser.init(self.lib)

        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

 def _on_new_playlist_activate(self, item, songs):
     parent = get_menu_item_top_parent(item)
     title = Playlist.suggested_name_for(songs)
     title = GetPlaylistName(qltk.get_top_parent(parent)).run(title)
     if title is None:
         return
     playlist = FileBackedPlaylist.new(PLAYLISTS, title)
     playlist.extend(songs)
     PlaylistsBrowser.changed(playlist)

 def setUpClass(cls):
     # Only want to do this playlists setup once per test class...
     quodlibet.config.init()
     cls.lib = quodlibet.browsers.playlists.library = SongLibrary()
     cls.lib.librarian = SongLibrarian()
     all_songs = SONGS + [cls.ANOTHER_SONG]
     for af in all_songs:
         af.sanitize()
     cls.lib.add(all_songs)
     cls._create_temp_playlist_with("Big", SONGS)
     cls._create_temp_playlist_with("Small", [cls.ANOTHER_SONG])
     PlaylistsBrowser.init(cls.lib)

class TPlaylists(TestCase):
    def setUp(self):
        quodlibet.config.init()
        self.library = SongLibrary()
        self.bar = PlaylistsBrowser(SongLibrary())

    def test_can_filter(self):
        for key in ["foo", "title", "fake~key", "~woobar", "~#huh"]:
            self.failIf(self.bar.can_filter(key))

    def tearDown(self):
        self.bar.destroy()
        self.library.destroy()
        quodlibet.config.quit()

    def _on_toggle_playlist_activate(self, item, playlist, songs):
        parent = get_menu_item_top_parent(item)

        has_some, has_all = playlist.has_songs(songs)
        if has_all:
            playlist.remove_songs(songs)
        elif has_some:
            resp = ConfirmMultipleSongsAction(parent, playlist, songs).run()
            if resp == ConfirmMultipleSongsAction.REMOVE:
                playlist.remove_songs(songs)
            elif resp == ConfirmMultipleSongsAction.ADD:
                playlist.extend(songs)
            return
        else:
            playlist.extend(songs)
        PlaylistsBrowser.changed(playlist)

    def _on_new_playlist_activate(self, item, songs):
        parent = get_menu_item_top_parent(item)

        if len(songs) == 1:
            title = songs[0].comma("title")
        else:
            title = ngettext(
                "%(title)s and %(count)d more",
                "%(title)s and %(count)d more",
                len(songs) - 1) % {
                    'title': songs[0].comma("title"),
                    'count': len(songs) - 1
                }
        title = GetPlaylistName(qltk.get_top_parent(parent)).run(title)
        if title is None:
            return
        playlist = Playlist.new(PLAYLISTS, title)
        playlist.extend(songs)
        PlaylistsBrowser.changed(playlist)

    def _new_playlist_submenu_for(self, song):
        submenu = self._playlists_item.get_submenu()
        if submenu:
            submenu.destroy()
        playlist_menu = PlaylistMenu([song], PlaylistsBrowser.playlists())

        def on_new(widget, playlist):
            PlaylistsBrowser.changed(playlist)
        playlist_menu.connect('new', on_new)
        self._playlists_item.set_submenu(playlist_menu)
        self._playlists_item.set_sensitive(bool(song) and song.can_add)
        self._playlists_item.show_all()

    def __init__(self, songs):
        super(PlaylistMenu, self).__init__()
        i = Gtk.MenuItem(label=_(u"_New Playlist…"), use_underline=True)
        i.connect("activate", self._on_new_playlist_activate, songs)
        self.append(i)
        self.append(SeparatorMenuItem())
        self.set_size_request(int(i.size_request().width * 2), -1)

        for playlist in PlaylistsBrowser.playlists():
            name = playlist.name
            i = Gtk.CheckMenuItem(name)
            some, all = playlist.has_songs(songs)
            i.set_active(some)
            i.set_inconsistent(some and not all)
            i.get_child().set_ellipsize(Pango.EllipsizeMode.END)
            i.connect("activate", self._on_toggle_playlist_activate, playlist, songs)
            self.append(i)

class TPlaylists(TSearchBar):
    Bar = PlaylistsBrowser

    ANOTHER_SONG = AudioFile({
        "title": "lonely",
        "artist": "new artist",
        "~filename": dummy_path(u"/dev/urandom")})

    def setUp(self):
        try:
            shutil.rmtree(PLAYLISTS)
        except OSError:
            pass

        mkdir(PLAYLISTS)

        self.lib = quodlibet.browsers.playlists.library = SongLibrary()
        self.lib.librarian = SongLibrarian()
        all_songs = SONGS + [self.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        self.lib.add(all_songs)

        pl = Playlist.new(PLAYLISTS, "Big", self.lib)
        pl.extend(SONGS)
        pl.write()

        pl = Playlist.new(PLAYLISTS, "Small", self.lib)
        pl.extend([self.ANOTHER_SONG])
        pl.write()

        PlaylistsBrowser.init(self.lib)

        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

    def tearDown(self):
        self.bar.destroy()
        self.lib.destroy()
        shutil.rmtree(PLAYLISTS)
        PlaylistsBrowser.deinit(self.lib)

    def test_saverestore(self):
        # Flush previous signals, etc. Hmm.
        self.expected = None
        self._do()
        self.expected = [SONGS[0]]
        self.bar.filter_text("title = %s" % SONGS[0]["title"])
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = [SONGS[0]]
        self._do()
        self.bar.save()
        self.bar.filter_text("")
        self.expected = list(sorted(SONGS))
        self._do()
        self.bar.restore()
        self.bar.activate()
        self.expected = [SONGS[0]]
        self._do()

    def test_active_filter_playlists(self):
        self.bar._select_playlist(self.bar.playlists()[1])

        # Second playlist should not have any of `SONGS`
        self.assertFalse(self.bar.active_filter(SONGS[0]))

        # But it should have `ANOTHER_SONG`
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist")

        # ... and setting a reasonable filter on that song should match still
        self.bar.filter_text("lonely")
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist with "
                            "filter of 'lonely'")

        # ...unless it doesn't match that song
        self.bar.filter_text("piman")
        self.assertFalse(self.bar.active_filter(self.ANOTHER_SONG),
                         msg="Shouldn't have matched 'piman' on second list")

 def setUp(self):
     quodlibet.config.init()
     self.library = SongLibrary()
     self.bar = PlaylistsBrowser(SongLibrary())

 def on_new(widget, playlist):
     PlaylistsBrowser.changed(playlist)

    def __init__(self, library, songs, plugins=True, playlists=True,
                 queue=True, remove=True, delete=False,
                 edit=True, ratings=True, items=None, accels=True):
        super(SongsMenu, self).__init__()

        # The library may actually be a librarian; if it is, use it,
        # otherwise find the real librarian.
        librarian = getattr(library, 'librarian', library)

        if ratings:
            ratings_item = RatingsMenuItem(songs, librarian)
            ratings_item.set_sensitive(bool(songs))
            self.append(ratings_item)
            self.separate()

        # external item groups
        for subitems in reversed(items or []):
            self.separate()
            for item in subitems:
                self.append(item)
            self.separate()

        if plugins:
            submenu = self.plugins.Menu(librarian, songs)
            if submenu is not None:
                b = qltk.MenuItem(_("_Plugins"), Icons.SYSTEM_RUN)
                b.set_sensitive(bool(songs))
                self.append(b)
                b.set_submenu(submenu)
                self.append(SeparatorMenuItem())

        in_lib = True
        can_add = True
        is_file = True
        for song in songs:
            if song not in library:
                in_lib = False
            if not song.can_add:
                can_add = False
            if not song.is_file:
                is_file = False

        if playlists:
            # Needed here to avoid a circular import; most browsers use
            # a SongsMenu, but SongsMenu needs access to the playlist
            # browser for this item.

            # FIXME: Two things are now importing browsers, so we need
            # some kind of inversion of control here.
            from quodlibet.browsers.playlists.menu import PlaylistMenu
            from quodlibet.browsers.playlists import PlaylistsBrowser
            try:
                submenu = PlaylistMenu(songs, PlaylistsBrowser.playlists())

                def on_new(widget, playlist):
                    PlaylistsBrowser.changed(playlist)
                submenu.connect('new', on_new)
            except AttributeError as e:
                print_w("Couldn't get Playlists menu: %s" % e)
            else:
                b = qltk.MenuItem(_("Play_lists"), Icons.FOLDER_DRAG_ACCEPT)
                b.set_sensitive(can_add and bool(songs))
                b.set_submenu(submenu)
                self.append(b)
        if queue:
            b = qltk.MenuItem(_("Add to _Queue"), Icons.LIST_ADD)

            def enqueue_cb(item, songs):
                songs = [s for s in songs if s.can_add]
                if songs:
                    from quodlibet import app
                    app.window.playlist.enqueue(songs)

            b.connect('activate', enqueue_cb, songs)
            if accels:
                qltk.add_fake_accel(b, "<Primary>Return")
            self.append(b)
            b.set_sensitive(can_add and bool(songs))

        if remove or delete:
            self.separate()

        if remove:
            b = qltk.MenuItem(_("_Remove from Library"), Icons.LIST_REMOVE)
            if callable(remove):
                b.connect('activate', lambda item: remove(songs))
            else:
                def remove_cb(item, songs, library):
                    library.remove(set(songs))

                b.connect('activate', remove_cb, songs, library)
                b.set_sensitive(in_lib and bool(songs))
            self.append(b)

        if delete:
            if callable(delete):
                b = qltk.MenuItem(_("_Delete"), Icons.EDIT_DELETE)
                b.connect('activate', lambda item: delete(songs))
                if accels:
                    qltk.add_fake_accel(b, "<Primary>Delete")
#.........这里部分代码省略.........

 def tearDown(self):
     self.bar.destroy()
     self.lib.destroy()
     shutil.rmtree(PLAYLISTS)
     PlaylistsBrowser.deinit(self.lib)

class TPlaylists(TSearchBar):
    Bar = PlaylistsBrowser
    ANOTHER_SONG = AudioFile({
        "title": "lonely",
        "artist": "new artist",
        "~filename": fsnative(u"/dev/urandom")})

    @classmethod
    def setUpClass(cls):
        # Only want to do this playlists setup once per test class...
        quodlibet.config.init()
        cls.lib = quodlibet.browsers.playlists.library = SongLibrary()
        cls.lib.librarian = SongLibrarian()
        all_songs = SONGS + [cls.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        cls.lib.add(all_songs)
        cls._create_temp_playlist_with("Big", SONGS)
        cls._create_temp_playlist_with("Small", [cls.ANOTHER_SONG])
        PlaylistsBrowser.init(cls.lib)

    @classmethod
    def _create_temp_playlist_with(cls, name, songs):
        pl = Playlist.new(PLAYLISTS, name, cls.lib)
        pl.extend(songs)
        pl.write()

    def setUp(self):
        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

    def test_saverestore(self):
        # Flush previous signals, etc. Hmm.
        self.expected = None
        self._do()
        self.expected = [SONGS[0]]
        self.bar.filter_text("title = %s" % SONGS[0]["title"])
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = [SONGS[0]]
        self._do()
        self.bar.save()
        self.bar.filter_text("")
        self.expected = list(sorted(SONGS))
        self._do()
        self.bar.restore()
        self.bar.activate()
        self.expected = [SONGS[0]]
        self._do()

    def test_active_filter_playlists(self):
        self.bar._select_playlist(self.bar.playlists()[1])

        # Second playlist should not have any of `SONGS`
        self.assertFalse(self.bar.active_filter(SONGS[0]))

        # But it should have `ANOTHER_SONG`
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist")

        # ... and setting a reasonable filter on that song should match still
        self.bar.filter_text("lonely")
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist with "
                            "filter of 'lonely'")

        # ...unless it doesn't match that song
        self.bar.filter_text("piman")
        self.assertFalse(self.bar.active_filter(self.ANOTHER_SONG),
                         msg="Shouldn't have matched 'piman' on second list")

    def tearDown(self):
        self.bar.destroy()
        self.lib.destroy()

    @classmethod
    def tearDownClass(cls):
        quodlibet.config.quit()

class TPlaylistsBrowser(TSearchBar):
    Bar = PlaylistsBrowser

    ANOTHER_SONG = AudioFile({
        "title": "lonely",
        "artist": "new artist",
        "~filename": dummy_path(u"/dev/urandom")})

    def setUp(self):
        # Testing locally is VERY dangerous without this...
        self.assertTrue(_TEMP_DIR in PLAYLISTS or os.name == "nt",
                        msg="Failing, don't want to delete %s" % PLAYLISTS)
        try:
            shutil.rmtree(PLAYLISTS)
        except OSError:
            pass

        mkdir(PLAYLISTS)

        self.lib = quodlibet.browsers.playlists.library = SongLibrary()
        self.lib.librarian = SongLibrarian()
        all_songs = SONGS + [self.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        self.lib.add(all_songs)

        self.big = pl = FileBackedPlaylist.new(PLAYLISTS, "Big", self.lib)
        pl.extend(SONGS)
        pl.write()

        self.small = pl = FileBackedPlaylist.new(PLAYLISTS, "Small", self.lib)
        pl.extend([self.ANOTHER_SONG])
        pl.write()

        PlaylistsBrowser.init(self.lib)

        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

    def tearDown(self):
        self.bar.destroy()
        self.lib.destroy()
        shutil.rmtree(PLAYLISTS)
        PlaylistsBrowser.deinit(self.lib)

    def test_saverestore(self):
        # Flush previous signals, etc. Hmm.
        self.expected = None
        self._do()
        self.expected = [SONGS[0]]
        self.bar.filter_text("title = %s" % SONGS[0]["title"])
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = [SONGS[0]]
        self._do()
        self.bar.save()
        self.bar.filter_text("")
        self.expected = list(sorted(SONGS))
        self._do()
        self.bar.restore()
        self.bar.activate()
        self.expected = [SONGS[0]]
        self._do()

    def test_active_filter_playlists(self):
        self.bar._select_playlist(self.bar.playlists()[1])

        # Second playlist should not have any of `SONGS`
        self.assertFalse(self.bar.active_filter(SONGS[0]))

        # But it should have `ANOTHER_SONG`
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist")

        # ... and setting a reasonable filter on that song should match still
        self.bar.filter_text("lonely")
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist with "
                            "filter of 'lonely'")

        # ...unless it doesn't match that song
        self.bar.filter_text("piman")
        self.assertFalse(self.bar.active_filter(self.ANOTHER_SONG),
                         msg="Shouldn't have matched 'piman' on second list")

    def test_rename(self):
        self.assertEquals(self.bar.playlists()[1], self.small)
        self.bar._rename(0, "zBig")
        self.assertEquals(self.bar.playlists()[0], self.small)
        self.assertEquals(self.bar.playlists()[1].name, "zBig")

    def test_default_display_pattern(self):
        pattern_text = self.bar.display_pattern_text
        self.failUnlessEqual(pattern_text, DEFAULT_PATTERN_TEXT)
        self.failUnless("<~name>" in pattern_text)

class TPlaylistsBrowser(TestCase):
    Bar = PlaylistsBrowser

    ANOTHER_SONG = AudioFile({
        "title": "lonely",
        "artist": "new artist",
        "~filename": dummy_path(u"/dev/urandom")})

    def setUp(self):
        self.success = False
        # Testing locally is VERY dangerous without this...
        self.assertTrue(_TEMP_DIR in PLAYLISTS or os.name == "nt",
                        msg="Failing, don't want to delete %s" % PLAYLISTS)
        try:
            shutil.rmtree(PLAYLISTS)
        except OSError:
            pass

        mkdir(PLAYLISTS)

        init_fake_app()

        self.lib = quodlibet.browsers.playlists.library = SongFileLibrary()
        self.lib.librarian = SongLibrarian()
        all_songs = SONGS + [self.ANOTHER_SONG]
        for af in all_songs:
            af.sanitize()
        self.lib.add(all_songs)

        self.big = pl = FileBackedPlaylist.new(PLAYLISTS, "Big", self.lib)
        pl.extend(SONGS)
        pl.write()

        self.small = pl = FileBackedPlaylist.new(PLAYLISTS, "Small", self.lib)
        pl.extend([self.ANOTHER_SONG])
        pl.write()

        PlaylistsBrowser.init(self.lib)

        self.bar = PlaylistsBrowser(self.lib)
        self.bar.connect('songs-selected', self._expected)
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = None

    def tearDown(self):
        self.bar.destroy()
        self.lib.destroy()
        shutil.rmtree(PLAYLISTS)
        PlaylistsBrowser.deinit(self.lib)
        destroy_fake_app()

    def _expected(self, bar, songs, sort):
        songs.sort()
        if self.expected is not None:
            self.failUnlessEqual(self.expected, songs)
        self.success = True

    def _do(self):
        while Gtk.events_pending():
            Gtk.main_iteration()
        self.failUnless(self.success or self.expected is None)

    def test_saverestore(self):
        # Flush previous signals, etc. Hmm.
        self.expected = None
        self._do()
        self.expected = [SONGS[0]]
        self.bar.filter_text("title = %s" % SONGS[0]["title"])
        self.bar._select_playlist(self.bar.playlists()[0])
        self.expected = [SONGS[0]]
        self._do()
        self.bar.save()
        self.bar.filter_text("")
        self.expected = list(sorted(SONGS))
        self._do()
        self.bar.restore()
        self.bar.activate()
        self.expected = [SONGS[0]]
        self._do()

    def test_active_filter_playlists(self):
        self.bar._select_playlist(self.bar.playlists()[1])

        # Second playlist should not have any of `SONGS`
        self.assertFalse(self.bar.active_filter(SONGS[0]))

        # But it should have `ANOTHER_SONG`
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist")

        # ... and setting a reasonable filter on that song should match still
        self.bar.filter_text("lonely")
        self.assertTrue(self.bar.active_filter(self.ANOTHER_SONG),
                        msg="Couldn't find song from second playlist with "
                            "filter of 'lonely'")

        # ...unless it doesn't match that song
        self.bar.filter_text("piman")
        self.assertFalse(self.bar.active_filter(self.ANOTHER_SONG),
                         msg="Shouldn't have matched 'piman' on second list")
#.........这里部分代码省略.........

 def setUp(self):
     self.bar = PlaylistsBrowser(self.lib)
     self.bar.connect('songs-selected', self._expected)
     self.bar._select_playlist(self.bar.playlists()[0])
     self.expected = None