util.py

import os
import binascii
from untangle import parse
from xml.etree import ElementTree

def find_biggest():

        objects = os.listdir('game_files/nca')

        sofar = 0
        name = ""

        for file in objects:
                size = os.path.getsize(os.path.join('game_files/nca', file))
                if size > sofar:
                        sofar = size
                        name = file
        return name, sofar

def find_biggest_xci():

        objects = os.listdir('game_files/secure')

        sofar = 0
        name = ""

        for file in objects:
                size = os.path.getsize(os.path.join('game_files/secure', file))
                if size > sofar:
                        sofar = size
                        name = file
        return name, sofar

def find_tik():
        name = []
        for file in os.listdir("game_files/nca"):
                if file.endswith(".tik"):
                        name = file
        return name

def find_titlekey(tik):
        os.listdir('game_files/nca')
        with open('game_files/nca/' + tik,"rb") as f:
                f.seek(0x180)
                val = f.read(16)
                return binascii.hexlify(bytearray(val))

def xml_check():
        xml = []
        for file in os.listdir('game_files/nca'):
                if file.endswith('.xml'):
                        xml = os.path.join('game_files/nca', file)
                        obj = parse(xml)
                        tf = obj.ContentMeta.Content[0].Type.cdata
                        nca = obj.ContentMeta.Content[0].Id.cdata
                        if tf == 'Program':
                                return nca + '.nca'
                        else:
                                return False