How to use the ufonormalizer.subpathReadPlist function in ufonormalizer

"""
        with TemporaryDirectory(suffix=".ufo") as indir:
            outdir = os.path.join(indir, 'output.ufo')

            subpathWriteFile(metainfo, indir, "metainfo.plist")
            subpathWriteFile(libdata, indir, "lib.plist")

            # without --float-precision, it uses 10 decimal digits by default
            main(["-o", outdir, indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.3333333333)

            main(["-o", outdir, "--float-precision=0", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0)

            main(["-o", outdir, "--float-precision=6", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.333333)

            # -1 means no rounding, use repr()
            main(["-o", outdir, "--float-precision=-1", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.3333333333333334)

def test_subpathReadPlist(self):
        data = dict([('a', 'foo'), ('b', 'bar'), ('c', '™')])
        with open(self.plistpath, 'wb') as f:
            f.write(dumps(data))
        self.assertEqual(subpathReadPlist(self.directory, self.plistname),
                         data)

directory = tempfile.mkdtemp()
        layerDirectory = "glyphs"
        fullLayerDirectory = subpathJoin(directory, layerDirectory)
        os.mkdir(fullLayerDirectory)
        for fileName in oldGlyphMapping.values():
            subpathWriteFile("", directory, layerDirectory, fileName)
        self.assertEqual(sorted(os.listdir(fullLayerDirectory)),
                         sorted(oldGlyphMapping.values()))
        subpathWritePlist(oldGlyphMapping, directory, layerDirectory,
                          "contents.plist")
        newGlyphMapping = normalizeGlyphNames(directory, layerDirectory)
        listing = os.listdir(fullLayerDirectory)
        listing.remove("contents.plist")
        self.assertEqual(sorted(listing), sorted(newGlyphMapping.values()))
        self.assertEqual(
            subpathReadPlist(directory, layerDirectory, "contents.plist"),
            newGlyphMapping)
        shutil.rmtree(directory)
        return newGlyphMapping == expectedGlyphMapping

<data>
                gAJ9cQFVA2xpYnECY3BsaXN0bGliCl9JbnRlcm5hbERpY3QKcQMpgXEEVSdj
                b20uc2NocmlmdGdlc3RhbHR1bmcuR2x5cGhzLmxhc3RDaGFuZ2VxBVUTMjAx
                Ny8wOS8yNiAwOToxMzoyMXEGc31xB2JzLg==
                </data>
            
        
        """
        with TemporaryDirectory(suffix=".ufo") as indir:
            outdir = os.path.join(indir, 'output.ufo')

            subpathWriteFile(metainfo, indir, "metainfo.plist")
            subpathWriteFile(libdata, indir, "lib.plist")

            main(["-o", outdir, indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(
                data['org.robofab.fontlab.customdata'],
                base64.b64decode("""\
                gAJ9cQFVA2xpYnECY3BsaXN0bGliCl9JbnRlcm5hbERpY3QKcQMpgXEEVSdj

directory = tempfile.mkdtemp()
        layerDirectory = "glyphs"
        fullLayerDirectory = subpathJoin(directory, layerDirectory)
        os.mkdir(fullLayerDirectory)
        for fileName in oldGlyphMapping.values():
            subpathWriteFile("", directory, layerDirectory, fileName)
        self.assertEqual(sorted(os.listdir(fullLayerDirectory)),
                         sorted(oldGlyphMapping.values()))
        subpathWritePlist(oldGlyphMapping, directory, layerDirectory,
                          "contents.plist")
        newGlyphMapping = normalizeGlyphNames(directory, layerDirectory)
        listing = os.listdir(fullLayerDirectory)
        listing.remove("contents.plist")
        self.assertEqual(sorted(listing), sorted(newGlyphMapping.values()))
        self.assertEqual(
            subpathReadPlist(directory, layerDirectory, "contents.plist"),
            newGlyphMapping)
        shutil.rmtree(directory)
        return newGlyphMapping == expectedGlyphMapping

def test_subpathReadPlist(self):
        data = dict([('a', 'foo'), ('b', 'bar'), ('c', '™')])
        with open(self.plistpath, 'wb') as f:
            f.write(dumps(data))
        self.assertEqual(subpathReadPlist(self.directory, self.plistname),
                         data)

test_float
                0.3333333333333334
            
        
        """
        with TemporaryDirectory(suffix=".ufo") as indir:
            outdir = os.path.join(indir, 'output.ufo')

            subpathWriteFile(metainfo, indir, "metainfo.plist")
            subpathWriteFile(libdata, indir, "lib.plist")

            # without --float-precision, it uses 10 decimal digits by default
            main(["-o", outdir, indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.3333333333)

            main(["-o", outdir, "--float-precision=0", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0)

            main(["-o", outdir, "--float-precision=6", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.333333)

            # -1 means no rounding, use repr()
            main(["-o", outdir, "--float-precision=-1", indir])
            data = subpathReadPlist(outdir, "lib.plist")
            self.assertEqual(data["test_float"], 0.3333333333333334)