39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
import zipfile, shutil
|
|
|
|
base = r'e:\MCStudioDownload\work\3027246179@qq.com\Cpp\AddOn\309c2d420bc84ee986db9cdd070ff02a\_sa_hanhua_out'
|
|
jar = base + r'\sa_essentials-forge-1.20.1-1.0.0.jar'
|
|
target = 'com/ogaba/sa_combat/client/event/SACombatClientForgeEvents.class'
|
|
|
|
old_ascii = b'Reloading...' # 12 字节
|
|
old_pat = b'\x01\x00\x0c' + old_ascii
|
|
new_utf8 = '换弹中...'.encode('utf-8') # 12 字节，与旧串等长
|
|
assert len(new_utf8) == len(old_ascii), (len(new_utf8), len(old_ascii))
|
|
new_pat = b'\x01\x00\x0c' + new_utf8
|
|
print('new bytes:', new_utf8.hex(), 'len', len(new_utf8))
|
|
|
|
with zipfile.ZipFile(jar) as z:
|
|
infos = z.infolist()
|
|
data = {i.filename: z.read(i) for i in infos}
|
|
|
|
b = data[target]
|
|
cnt = b.count(old_pat)
|
|
print('occurrences:', cnt)
|
|
assert cnt == 1, 'ABORT'
|
|
|
|
nb = b.replace(old_pat, new_pat)
|
|
assert len(nb) == len(b)
|
|
data[target] = nb
|
|
|
|
tmp = jar + '.tmp'
|
|
with zipfile.ZipFile(tmp, 'w', zipfile.ZIP_DEFLATED) as z:
|
|
for i in infos:
|
|
z.writestr(i, data[i.filename])
|
|
shutil.move(tmp, jar)
|
|
print('jar updated.')
|
|
|
|
with zipfile.ZipFile(jar) as z:
|
|
nb = z.read(target)
|
|
print('new const present:', nb.count(new_pat) == 1)
|
|
print('old ascii remains:', nb.count(old_ascii))
|
|
print('entries=', len(z.namelist()), 'testzip=', z.testzip())
|