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25 changed files with 2016 additions and 645 deletions
182
libray/ird.py
182
libray/ird.py
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@ -1,7 +1,7 @@
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# -*- coding: utf8 -*-
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# libray - Libre Blu-Ray PS3 ISO Tool
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# Copyright © 2018 - 2021 Nichlas Severinsen
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# Copyright © 2018 - 2024 Nichlas Severinsen
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#
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# This file is part of libray.
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#
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@ -26,123 +26,123 @@ import shutil
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try:
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from libray import core
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from libray import core
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except ImportError:
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import core
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import core
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class IRD:
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"""Class for handling .ird files
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"""Class for handling .ird files
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Attributes:
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version: IRD version number
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game_id: PS3 game identifier
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game_name: Name of PS3 game
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update_version: PS3 firmware update version
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game_version: PS3 game version
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app_version: PS3 app version
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region_count: How many encrypted regions are in the .iso
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file_count: How many files are supposed to be in the .iso
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data1: Encryption key
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"""
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Attributes:
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version: IRD version number
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game_id: PS3 game identifier
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game_name: Name of PS3 game
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update_version: PS3 firmware update version
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game_version: PS3 game version
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app_version: PS3 app version
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region_count: How many encrypted regions are in the .iso
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file_count: How many files are supposed to be in the .iso
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data1: Encryption key
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"""
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ORDER = 'little'
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TEMP_FILE = 'ird'
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MAGIC_STRING = b'3IRD'
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ORDER = 'little'
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TEMP_FILE = 'ird'
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MAGIC_STRING = b'3IRD'
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def __init__(self, ird_path, verbose=False):
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"""IRD constructor using args from argparse."""
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def __init__(self, ird_path, verbose=False):
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"""IRD constructor using args from argparse."""
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self.uncompress(ird_path) # TODO: Try/Except?
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self.uncompress(ird_path) # TODO: Try/Except?
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self.size = core.size(self.TEMP_FILE)
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self.size = core.size(self.TEMP_FILE)
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if not self.size:
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core.error('IRD file is empty!')
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if not self.size:
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core.error('IRD file is empty!')
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with open(self.TEMP_FILE, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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core.error('Either not an IRD file, corruped IRD file, or unknown IRD format')
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with open(self.TEMP_FILE, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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core.error('Either not an IRD file, corruped IRD file, or unknown IRD format')
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self.version = core.to_int(input_ird.read(1), self.ORDER)
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self.game_id = input_ird.read(9)
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name_length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
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self.game_name = input_ird.read(name_length).decode('utf8')
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self.update_version = input_ird.read(4)
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self.game_version = input_ird.read(5)
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self.app_version = input_ird.read(5)
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self.version = core.to_int(input_ird.read(1), self.ORDER)
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self.game_id = input_ird.read(9)
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name_length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
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self.game_name = input_ird.read(name_length).decode('utf8')
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self.update_version = input_ird.read(4)
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self.game_version = input_ird.read(5)
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self.app_version = input_ird.read(5)
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if self.version == 7:
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self.identifier = input_ird.read(4)
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if self.version == 7:
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self.identifier = input_ird.read(4)
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header_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.header = input_ird.read(header_length)
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footer_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.footer = input_ird.read(footer_length)
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header_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.header = input_ird.read(header_length)
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footer_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.footer = input_ird.read(footer_length)
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self.region_count = core.to_int(input_ird.read(1), self.ORDER)
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self.region_hashes = []
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for _ in range(0, self.region_count):
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self.region_hashes.append(input_ird.read(16))
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self.region_count = core.to_int(input_ird.read(1), self.ORDER)
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self.region_hashes = []
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for _ in range(0, self.region_count):
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self.region_hashes.append(input_ird.read(16))
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self.file_count = core.to_int(input_ird.read(4), self.ORDER)
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self.file_hashes = []
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for _ in range(0, self.file_count):
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key = core.to_int(input_ird.read(8), self.ORDER)
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val = input_ird.read(16)
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self.file_hashes.append({'key': key, 'val': val})
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self.file_count = core.to_int(input_ird.read(4), self.ORDER)
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self.file_hashes = []
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for _ in range(0, self.file_count):
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key = core.to_int(input_ird.read(8), self.ORDER)
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val = input_ird.read(16)
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self.file_hashes.append({'key': key, 'val': val})
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if self.version >= 9:
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self.pic = input_ird.read(115)
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if self.version >= 9:
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self.pic = input_ird.read(115)
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input_ird.seek(input_ird.tell() + 4) # ?
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input_ird.seek(input_ird.tell() + 4) # ?
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self.data1 = input_ird.read(16)
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self.data2 = input_ird.read(16)
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self.data1 = input_ird.read(16)
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self.data2 = input_ird.read(16)
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if self.version < 9:
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self.pic = input_ird.read(115)
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if self.version < 9:
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self.pic = input_ird.read(115)
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if self.version < 7:
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self.uid = core.to_int(input_ird.read(4), self.ORDER)
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if self.version < 7:
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self.uid = core.to_int(input_ird.read(4), self.ORDER)
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if verbose:
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self.print_info()
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if verbose:
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self.print_info()
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os.remove(self.TEMP_FILE)
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os.remove(self.TEMP_FILE)
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def uncompress(self, filename):
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"""Uncompress IRD. Assumes given .ird file is not compressed, but then tries to decompress it with zlib/gzfile if it was not uncompressed."""
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uncompress = False
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with open(filename, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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uncompress = True
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def uncompress(self, filename):
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"""Uncompress IRD. Assumes given .ird file is not compressed, but then tries to decompress it with zlib/gzfile if it was not uncompressed."""
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if uncompress:
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with open(filename, 'rb') as gzfile:
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with open(self.TEMP_FILE, 'wb') as tmpfile:
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tmpfile.write(zlib.decompress(gzfile.read(), zlib.MAX_WBITS | 16))
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else:
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shutil.copyfile(filename, self.TEMP_FILE)
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uncompress = False
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with open(filename, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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uncompress = True
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def print_info(self, regions=False):
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# TODO: This could probably have been a __str__? Who cares?
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"""Print some info about the IRD."""
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if uncompress:
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with open(filename, 'rb') as gzfile:
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with open(self.TEMP_FILE, 'wb') as tmpfile:
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tmpfile.write(zlib.decompress(gzfile.read(), zlib.MAX_WBITS|16))
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else:
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shutil.copyfile(filename, self.TEMP_FILE)
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def print_info(self):
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# TODO: This could probably have been a __str__? Who cares?
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"""Print some info about the IRD."""
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print('Info from IRD:')
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print('Version: %s' % self.version)
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print('Game ID: %s' % self.game_id)
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print('Game Name: %s' % self.game_name)
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print('Update Version: %s' % self.update_version)
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print('Game Version: %s' % self.game_version)
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print('App Version: %s' % self.app_version)
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print('Region Count: %s' % self.region_count)
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print('File Count: %s' % self.file_count)
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print('Data1: %s' % self.data1.hex())
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print('Data2: %s' % self.data2.hex())
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print('Info from IRD:')
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print('Version: %s' % self.version)
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print('Game ID: %s' % self.game_id)
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print('Game Name: %s' % self.game_name)
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print('Update Version: %s' % self.update_version)
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print('Game Version: %s' % self.game_version)
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print('App Version: %s' % self.app_version)
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print('Region Count: %s' % self.region_count)
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if regions:
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for i, region_hash in enumerate(self.region_hashes):
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print('\tRegion Hash %s: %s' % (i, region_hash.hex()))
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print('File Count: %s' % self.file_count)
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print('Data1: %s' % self.data1.hex())
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print('Data2: %s' % self.data2.hex())
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