Telegram-Android/apkdiff.py at master · TelegramOrg/Telegram-Android · GitHub

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import sys

from zipfile import ZipFile

def compareFiles(first, second):

while True:

firstBytes = first.read(4096)

secondBytes = second.read(4096)

if firstBytes != secondBytes:

return False

if firstBytes == b"" and secondBytes == b"":

break

return True

def compare(first, second):

FILES_TO_IGNORE = ["META-INF/MANIFEST.MF", "META-INF/CERT.RSA", "META-INF/CERT.SF"]

firstZip = ZipFile(first, 'r')

secondZip = ZipFile(second, 'r')

firstList = list(filter(lambda firstInfo: firstInfo.filename not in FILES_TO_IGNORE, firstZip.infolist()))

secondList = list(filter(lambda secondInfo: secondInfo.filename not in FILES_TO_IGNORE, secondZip.infolist()))

if len(firstList) != len(secondList):

print("APKs has different amount of files (%d != %d)" % (len(firstList), len(secondList)))

return False

for firstInfo in firstList:

found = False

for secondInfo in secondList:

if firstInfo.filename == secondInfo.filename:

found = True

firstFile = firstZip.open(firstInfo, 'r')

secondFile = secondZip.open(secondInfo, 'r')

if compareFiles(firstFile, secondFile) != True:

print("APK file %s does not match" % firstInfo.filename)

return False

secondList.remove(secondInfo)

break

if found == False:

print("file %s not found in second APK" % firstInfo.filename)

return False

if len(secondList) != 0:

for secondInfo in secondList:

print("file %s not found in first APK" % secondInfo.filename)

return False

return True

if __name__ == '__main__':

if len(sys.argv) != 3:

print("Usage: apkdiff <pathToFirstApk> <pathToSecondApk>")

sys.exit(1)

if sys.argv[1] == sys.argv[2] or compare(sys.argv[1], sys.argv[2]) == True:

print("APKs are the same!")

else:

print("APKs are different!")

Telegram-Android/apkdiff.py at master · TelegramOrg/Telegram-Android · GitHub

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