Python path.normalize_path函数代码示例

    def test_types(self):
        from quodlibet.util.path import normalize_path

        assert isinstance(normalize_path(fsnative(u"foo"), False), fsnative)
        assert isinstance(normalize_path("foo", False), fsnative)
        assert isinstance(normalize_path(fsnative(u"foo"), True), fsnative)
        assert isinstance(normalize_path("foo", True), fsnative)

 def __find_songs(self, selection):
     model, rows = selection.get_selected_rows()
     dirs = [model[row][0] for row in rows]
     songs = []
     to_add = []
     for dir in dirs:
         try:
             for file in filter(formats.filter,
                                sorted(os.listdir(dir))):
                 raw_path = os.path.join(dir, file)
                 fn = normalize_path(raw_path, canonicalise=True)
                 if fn in self.__glibrary:
                     songs.append(self.__glibrary[fn])
                 elif fn not in self.__library:
                     song = formats.MusicFile(fn)
                     if song:
                         to_add.append(song)
                         songs.append(song)
                         yield songs
                 if fn in self.__library:
                     song = self.__library[fn]
                     if not song.valid():
                         self.__library.reload(song)
                     if song in self.__library:
                         songs.append(song)
         except OSError:
             pass
     self.__library.add(to_add)
     yield songs

def show_files_win32(path, files):
    """Takes a path to a directory and a list of filenames in that directory
    to display.

    Returns True on success.
    """

    assert os.name == "nt"

    import pywintypes
    from win32com.shell import shell

    assert is_fsnative(path)
    assert all(is_fsnative(f) for f in files)

    normalized_files = map(normalize_path, files)

    try:
        folder_pidl = shell.SHILCreateFromPath(path, 0)[0]
        desktop = shell.SHGetDesktopFolder()
        shell_folder = desktop.BindToObject(
            folder_pidl, None, shell.IID_IShellFolder)
        items = []
        for item in shell_folder:
            name = desktop.GetDisplayNameOf(item, 0)
            if normalize_path(name) in normalized_files:
                items.append(item)
        shell.SHOpenFolderAndSelectItems(folder_pidl, items, 0)
    except pywintypes.com_error:
        return False
    else:
        return True

    def __popup_menu(self, view, fs):
        # get all songs for the selection
        filenames = [normalize_path(f, canonicalise=True)
                     for f in fs.get_selected_paths()]
        maybe_songs = [self.__library.get(f) for f in filenames]
        songs = [s for s in maybe_songs if s]

        if songs:
            menu = self.pm.Menu(self.__library, songs)
            if menu is None:
                menu = Gtk.Menu()
            else:
                menu.prepend(SeparatorMenuItem())
        else:
            menu = Gtk.Menu()

        b = TrashMenuItem()
        b.connect('activate', self.__delete, filenames, fs)
        menu.prepend(b)

        def selection_done_cb(menu):
            menu.destroy()

        menu.connect('selection-done', selection_done_cb)
        menu.show_all()
        return view.popup_menu(menu, 0, Gtk.get_current_event_time())

    def test_file_encoding(self):
        if os.name == "nt":
            return

        f = self.add_file(bytes2fsn(b"\xff\xff\xff\xff - cover.jpg", None))
        self.assertTrue(isinstance(self.song("album"), text_type))
        h = self._find_cover(self.song)
        self.assertEqual(h.name, normalize_path(f))

    def test_file_encoding(self):
        if os.name == "nt":
            return

        f = self.add_file("\xff\xff\xff\xff - cover.jpg")
        self.assertTrue(isinstance(quux("album"), unicode))
        h = self._find_cover(quux)
        self.assertEqual(h.name, normalize_path(f))

 def setUp(self):
     config.RATINGS = config.HardCodedRatingsPrefs()
     fd, filename = mkstemp()
     os.close(fd)
     self.quux = AudioFile({
         "~filename": normalize_path(filename, True),
         "album": u"Quuxly"
     })

    def sanitize(self, filename=None):
        """Fill in metadata defaults. Find ~mountpoint, ~#mtime, ~#filesize
        and ~#added. Check for null bytes in tags.

        Does not raise.
        """

        # Replace nulls with newlines, trimming zero-length segments
        for key, val in listitems(self):
            self[key] = val
            if isinstance(val, string_types) and '\0' in val:
                self[key] = '\n'.join(filter(lambda s: s, val.split('\0')))
            # Remove unnecessary defaults
            if key in NUMERIC_ZERO_DEFAULT and val == 0:
                del self[key]

        if filename:
            self["~filename"] = filename
        elif "~filename" not in self:
            raise ValueError("Unknown filename!")

        assert isinstance(self["~filename"], fsnative)

        if self.is_file:
            self["~filename"] = normalize_path(
                self["~filename"], canonicalise=True)
            # Find mount point (terminating at "/" if necessary)
            head = self["~filename"]
            while "~mountpoint" not in self:
                head, tail = os.path.split(head)
                # Prevent infinite loop without a fully-qualified filename
                # (the unit tests use these).
                head = head or fsnative(u"/")
                if ismount(head):
                    self["~mountpoint"] = head
        else:
            self["~mountpoint"] = fsnative(u"/")

        # Fill in necessary values.
        self.setdefault("~#added", int(time.time()))

        # For efficiency, do a single stat here. See Issue 504
        try:
            stat = os.stat(self['~filename'])
            self["~#mtime"] = stat.st_mtime
            self["~#filesize"] = stat.st_size

            # Issue 342. This is a horrible approximation (due to headers) but
            # on FLACs, the most common case, this should be close enough
            if "~#bitrate" not in self:
                try:
                    # kbps = bytes * 8 / seconds / 1000
                    self["~#bitrate"] = int(stat.st_size /
                                            (self["~#length"] * (1000 / 8)))
                except (KeyError, ZeroDivisionError):
                    pass
        except OSError:
            self["~#mtime"] = 0

    def test_file_encoding(self):
        if os.name == "nt":
            return

        f = self.full_path("\xff\xff\xff\xff - cover.jpg")
        file(f, "w").close()
        self.files.append(f)
        self.assertTrue(isinstance(quux("album"), unicode))
        h = self._find_cover(quux)
        self.assertEqual(h.name, normalize_path(f))

    def endElement(self, name):
        self._tag = None
        if name == "entry" and self._current is not None:
            current = self._current
            self._current = None
            if len(current) > 1:
                uri = current.pop("location", "")
                try:
                    filename = uri2fsn(uri)
                except ValueError:
                    return

                self._process_song(normalize_path(filename), current)

    def rename(self, newname):
        """Rename a file. Errors are not handled. This shouldn't be used
        directly; use library.rename instead."""

        if os.path.isabs(newname):
            mkdir(os.path.dirname(newname))
        else:
            newname = os.path.join(self('~dirname'), newname)

        if not os.path.exists(newname):
            shutil.move(self['~filename'], newname)
        elif normalize_path(newname, canonicalise=True) != self['~filename']:
            raise ValueError

        self.sanitize(newname)

        def select(model, path, iter_, paths_):
            (paths, first) = paths_
            value = model.get_value(iter_)
            if value is None:
                return not bool(paths)
            value = normalize_path(value)

            if value in paths:
                self.get_child().get_selection().select_path(path)
                paths.remove(value)
                if not first:
                    self.get_child().set_cursor(path)
                    # copy treepath, gets invalid after the callback
                    first.append(path.copy())
            else:
                for fpath in paths:
                    if fpath.startswith(value):
                        self.get_child().expand_row(path, False)
            return not bool(paths)

    def __select_paths(self, paths):
        # AudioFile uses normalized paths, DirectoryTree doesn't

        paths = map(normalize_path, paths)

        def select(model, path, iter_, (paths, first)):
            value = model.get_value(iter_)
            if value is None:
                return not bool(paths)
            value = normalize_path(value)

            if value in paths:
                self.get_child().get_selection().select_path(path)
                paths.remove(value)
                if not first:
                    self.get_child().set_cursor(path)
                    # copy treepath, gets invalid after the callback
                    first.append(path.copy())
            else:
                for fpath in paths:
                    if fpath.startswith(value):
                        self.get_child().expand_row(path, False)
            return not bool(paths)

    def add_filename(self, filename, add=True):
        """Add a song to the library based on filename.

        If 'add' is true, the song will be added and the 'added' signal
        may be fired.

        Example (add=False):
            load many songs and call Library.add(songs) to add all in one go.

        The song is returned if it is in the library after this call.
        Otherwise, None is returned.
        """

        key = normalize_path(filename, True)
        song = None
        if key not in self._contents:
            song = MusicFile(filename)
            if song and add:
                self.add([song])
        else:
            print_d("Already got file %r." % filename)
            song = self._contents[key]

        return song

 def test_get_link_target(self):
     path = os.path.join(DATA_DIR, "test.lnk")
     d = windows.get_link_target(path)
     self.assertTrue(isinstance(d, unicode))
     self.assertEqual(
         normalize_path(d), normalize_path(u"C:\Windows\explorer.exe"))