LihonT 2 Luna beta: source release
Mod for TikTok 47.1.3 (arm64) in Material 3 style: bottom bar, profile menu, TikTok settings and comments; downloads without the watermark; switches for ads, live streams and the Shop tab; badges of other mods next to names and the niche mod badge (members service); app icons; mod settings screen. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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cheb0chik
172
tests/test_app_icons.py
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172
tests/test_app_icons.py
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"""Launcher icon aliases and the dead drawables that carry their pictures."""
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import struct
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import tempfile
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import unittest
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import zlib
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from pathlib import Path
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from lihont import app_icons
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from lihont.app_icons import Icon, IconError
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from lihont.apkzip import Apk
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from lihont.arsc import Arsc
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from lihont.axml import Axml
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from lihont.manifest import entry_icon, launcher_elements
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ROOT = Path(__file__).resolve().parents[1]
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CATALOG = ROOT / "src" / "icons"
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BASE = ROOT / "OriginalAPKtiktok" / (
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"com.zhiliaoapp.musically_47.1.3-2024701030_minAPI23(arm64-v8a)(nodpi)_apkmirror.com.apk")
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def png(width, height):
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"""The smallest thing png_side will accept: signature and an IHDR chunk."""
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header = struct.pack(">IIBBBBB", width, height, 8, 2, 0, 0, 0)
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chunk = b"IHDR" + header
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return (app_icons.PNG_SIGNATURE + struct.pack(">I", len(header)) + chunk
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+ struct.pack(">I", zlib.crc32(chunk) & 0xFFFFFFFF) + b"\0" * 8)
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class CatalogTest(unittest.TestCase):
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def test_the_shipped_catalog_is_valid(self):
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icons = app_icons.load_catalog(CATALOG)
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self.assertEqual(["tolstyj", "elmacho", "pushistik", "original"], [i.slug for i in icons])
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self.assertEqual(["Эй толстый", "Эль мачо", "Пушистик", "Оригинал"], [i.title for i in icons])
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for icon in icons:
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self.assertEqual(256, app_icons.png_side(icon.png))
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def test_pictures_must_be_small_square_pngs(self):
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self.assertEqual(256, app_icons.png_side(png(256, 256)))
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for bad in (b"", b"not a png at all, not at all, not at all!!", png(256, 200), png(64, 64), png(2048, 2048)):
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with self.assertRaises(IconError):
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app_icons.png_side(bad)
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def test_catalog_errors_are_reported(self):
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with tempfile.TemporaryDirectory() as folder:
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directory = Path(folder)
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(directory / "ok.png").write_bytes(png(256, 256))
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for text in ("a\tonly two\n", "Bad Slug\tTitle\tok.png\n", "dup\tT\tok.png\ndup\tU\tok.png\n",
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"fine\t\tok.png\n", "fine\t" + "x" * 33 + "\tok.png\n"):
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(directory / "catalog.tsv").write_text(text, encoding="utf-8")
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with self.assertRaises(IconError, msg=text):
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app_icons.load_catalog(directory)
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(directory / "catalog.tsv").write_text("# comment\n\nfine\tTitle\tok.png\n", encoding="utf-8")
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self.assertEqual(["fine"], [i.slug for i in app_icons.load_catalog(directory)])
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def test_new_path_keeps_the_encoded_length(self):
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for _, old in app_icons.SLOTS:
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for index in range(len(app_icons.SLOTS)):
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new = app_icons.slot_path(old, index)
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self.assertEqual(len(old), len(new))
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self.assertEqual(old.rpartition("/")[0], new.rpartition("/")[0])
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self.assertTrue(new.endswith(".png"))
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self.assertEqual("res/c/li0.png", app_icons.slot_path("res/c/a0g.png", 0))
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with self.assertRaises(IconError):
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app_icons.slot_path("res/c/a.png", 0)
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def test_slots_are_distinct(self):
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self.assertEqual(len(app_icons.SLOTS), len({r for r, _ in app_icons.SLOTS}))
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self.assertEqual(len(app_icons.SLOTS), len({p for _, p in app_icons.SLOTS}))
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class OnTheRealApkTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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if not BASE.exists():
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raise unittest.SkipTest("clean TikTok base APK is not available")
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def setUp(self):
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self.apk = Apk(str(BASE))
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self.addCleanup(self.apk.close)
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def test_every_pinned_slot_is_what_the_table_says(self):
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arsc = Arsc(self.apk.read("resources.arsc"))
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for res_id, path in app_icons.SLOTS:
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app_icons.verify_slot(arsc, res_id, path)
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self.assertTrue(self.apk.has(path), path)
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def test_a_slot_that_moved_is_refused(self):
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arsc = Arsc(self.apk.read("resources.arsc"))
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with self.assertRaises(IconError):
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app_icons.verify_slot(arsc, app_icons.SLOTS[0][0], "res/c/zzz.png")
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with self.assertRaises(IconError):
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app_icons.verify_slot(arsc, 0x7F010000, "res/c/a0g.png")
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def test_aliases_are_added_disabled_and_carry_their_pictures(self):
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xml = Axml.parse(self.apk.read("AndroidManifest.xml"))
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before = len(launcher_elements(xml))
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icons = app_icons.load_catalog(CATALOG)
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report = app_icons.apply(self.apk, xml, icons)
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self.assertEqual(4, report["icons"])
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self.assertEqual(app_icons.ORIGINAL_ENTRY, report["original_entry"])
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reparsed = Axml.parse(self.apk.read("AndroidManifest.xml"))
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self.assertEqual(before + 4, len(launcher_elements(reparsed)))
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aliases = {reparsed.attr_string(n, "name"): n for n in reparsed.elements("activity-alias")}
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arsc = Arsc(self.apk.read("resources.arsc"))
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for index, icon in enumerate(icons):
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name = app_icons.alias_name(icon.slug)
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node = aliases[name]
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res_id, old_path = app_icons.SLOTS[index]
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self.assertEqual(0, reparsed.attr(node, "enabled").data, "starts disabled")
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self.assertEqual(0xFFFFFFFF, reparsed.attr(node, "exported").data)
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self.assertEqual(report["target"], reparsed.attr_string(node, "targetActivity"))
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self.assertEqual("TikTok", reparsed.attr_string(node, "label"))
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self.assertEqual(res_id, reparsed.attr(node, "icon").data)
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# the table now sends that id to our file, and the file is in the zip
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new_path = app_icons.slot_path(old_path, index)
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self.assertEqual(new_path, arsc.file_path(arsc.values(res_id)[0]))
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self.assertEqual(icon.png, self.apk.read(new_path))
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self.assertFalse(self.apk.has(old_path))
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titles = [reparsed.attr_string(n, "value") for n in reparsed.elements("meta-data")
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if reparsed.attr_string(n, "name") == "lihont.title"]
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self.assertEqual([app_icons.STOCK_TITLE] + [i.title for i in icons], titles, "stock icon first, then the catalog")
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def test_the_original_entry_stays_callable_but_leaves_the_home_screen(self):
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xml = Axml.parse(self.apk.read("AndroidManifest.xml"))
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original_icon = entry_icon(xml, app_icons.ORIGINAL_ENTRY)
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app_icons.apply(self.apk, xml, app_icons.load_catalog(CATALOG))
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reparsed = Axml.parse(self.apk.read("AndroidManifest.xml"))
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original = next(n for n in reparsed.elements("activity-alias")
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if reparsed.attr_string(n, "name") == app_icons.ORIGINAL_ENTRY)
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enabled = reparsed.attr(original, "enabled")
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self.assertTrue(enabled is None or enabled.data != 0, "TikTok starts it by name, so it must stay on")
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launchers = [reparsed.attr_string(n, "name") for n in launcher_elements(reparsed)]
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self.assertNotIn(app_icons.ORIGINAL_ENTRY, launchers)
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self.assertEqual(5, len(launchers))
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stock = next(n for n in reparsed.elements("activity-alias")
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if reparsed.attr_string(n, "name") == app_icons.alias_name(app_icons.STOCK_SLUG))
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self.assertEqual(0xFFFFFFFF, reparsed.attr(stock, "enabled").data, "the stock icon is on by default")
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self.assertEqual(original_icon, reparsed.attr(stock, "icon").data, "and it is TikTok's own picture")
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def test_exactly_one_icon_is_on(self):
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xml = Axml.parse(self.apk.read("AndroidManifest.xml"))
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app_icons.apply(self.apk, xml, app_icons.load_catalog(CATALOG))
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reparsed = Axml.parse(self.apk.read("AndroidManifest.xml"))
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on = [reparsed.attr_string(n, "name") for n in launcher_elements(reparsed)
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if reparsed.attr(n, "enabled") is None or reparsed.attr(n, "enabled").data != 0]
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self.assertEqual([app_icons.alias_name(app_icons.STOCK_SLUG)], on)
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def test_a_catalog_icon_cannot_take_the_stock_slug(self):
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with tempfile.TemporaryDirectory() as folder:
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directory = Path(folder)
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(directory / "p.png").write_bytes(png(256, 256))
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(directory / "catalog.tsv").write_text("stock\tTikTok\tp.png\n", encoding="utf-8")
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with self.assertRaises(IconError):
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app_icons.load_catalog(directory)
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def test_more_icons_than_slots_are_refused(self):
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icons = [Icon("i%02d" % n, "T", png(256, 256)) for n in range(len(app_icons.SLOTS) + 1)]
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xml = Axml.parse(self.apk.read("AndroidManifest.xml"))
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with tempfile.TemporaryDirectory() as folder:
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directory = Path(folder)
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(directory / "p.png").write_bytes(png(256, 256))
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(directory / "catalog.tsv").write_text(
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"".join("i%02d\tT\tp.png\n" % n for n in range(len(icons))), encoding="utf-8")
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with self.assertRaises(IconError):
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app_icons.load_catalog(directory)
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if __name__ == "__main__":
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unittest.main()
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