# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild from pkg_resources import parse_version from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO import collections if parse_version(ks_version) < parse_version('0.7'): raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) class GptPartitionTable(KaitaiStruct): """ .. seealso:: Specification taken from https://en.wikipedia.org/wiki/GUID_Partition_Table """ SEQ_FIELDS = [] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): pass class PartitionEntry(KaitaiStruct): SEQ_FIELDS = ["type_guid", "guid", "first_lba", "last_lba", "attributes", "name"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['type_guid']['start'] = self._io.pos() self.type_guid = self._io.read_bytes(16) self._debug['type_guid']['end'] = self._io.pos() self._debug['guid']['start'] = self._io.pos() self.guid = self._io.read_bytes(16) self._debug['guid']['end'] = self._io.pos() self._debug['first_lba']['start'] = self._io.pos() self.first_lba = self._io.read_u8le() self._debug['first_lba']['end'] = self._io.pos() self._debug['last_lba']['start'] = self._io.pos() self.last_lba = self._io.read_u8le() self._debug['last_lba']['end'] = self._io.pos() self._debug['attributes']['start'] = self._io.pos() self.attributes = self._io.read_u8le() self._debug['attributes']['end'] = self._io.pos() self._debug['name']['start'] = self._io.pos() self.name = (self._io.read_bytes(72)).decode(u"UTF-16LE") self._debug['name']['end'] = self._io.pos() class PartitionHeader(KaitaiStruct): SEQ_FIELDS = ["signature", "revision", "header_size", "crc32_header", "reserved", "current_lba", "backup_lba", "first_usable_lba", "last_usable_lba", "disk_guid", "entries_start", "entries_count", "entries_size", "crc32_array"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['signature']['start'] = self._io.pos() self.signature = self._io.ensure_fixed_contents(b"\x45\x46\x49\x20\x50\x41\x52\x54") self._debug['signature']['end'] = self._io.pos() self._debug['revision']['start'] = self._io.pos() self.revision = self._io.read_u4le() self._debug['revision']['end'] = self._io.pos() self._debug['header_size']['start'] = self._io.pos() self.header_size = self._io.read_u4le() self._debug['header_size']['end'] = self._io.pos() self._debug['crc32_header']['start'] = self._io.pos() self.crc32_header = self._io.read_u4le() self._debug['crc32_header']['end'] = self._io.pos() self._debug['reserved']['start'] = self._io.pos() self.reserved = self._io.read_u4le() self._debug['reserved']['end'] = self._io.pos() self._debug['current_lba']['start'] = self._io.pos() self.current_lba = self._io.read_u8le() self._debug['current_lba']['end'] = self._io.pos() self._debug['backup_lba']['start'] = self._io.pos() self.backup_lba = self._io.read_u8le() self._debug['backup_lba']['end'] = self._io.pos() self._debug['first_usable_lba']['start'] = self._io.pos() self.first_usable_lba = self._io.read_u8le() self._debug['first_usable_lba']['end'] = self._io.pos() self._debug['last_usable_lba']['start'] = self._io.pos() self.last_usable_lba = self._io.read_u8le() self._debug['last_usable_lba']['end'] = self._io.pos() self._debug['disk_guid']['start'] = self._io.pos() self.disk_guid = self._io.read_bytes(16) self._debug['disk_guid']['end'] = self._io.pos() self._debug['entries_start']['start'] = self._io.pos() self.entries_start = self._io.read_u8le() self._debug['entries_start']['end'] = self._io.pos() self._debug['entries_count']['start'] = self._io.pos() self.entries_count = self._io.read_u4le() self._debug['entries_count']['end'] = self._io.pos() self._debug['entries_size']['start'] = self._io.pos() self.entries_size = self._io.read_u4le() self._debug['entries_size']['end'] = self._io.pos() self._debug['crc32_array']['start'] = self._io.pos() self.crc32_array = self._io.read_u4le() self._debug['crc32_array']['end'] = self._io.pos() @property def entries(self): if hasattr(self, '_m_entries'): return self._m_entries if hasattr(self, '_m_entries') else None io = self._root._io _pos = io.pos() io.seek((self.entries_start * self._root.sector_size)) self._debug['_m_entries']['start'] = io.pos() self._raw__m_entries = [None] * (self.entries_count) self._m_entries = [None] * (self.entries_count) for i in range(self.entries_count): if not 'arr' in self._debug['_m_entries']: self._debug['_m_entries']['arr'] = [] self._debug['_m_entries']['arr'].append({'start': io.pos()}) self._raw__m_entries[i] = io.read_bytes(self.entries_size) io = KaitaiStream(BytesIO(self._raw__m_entries[i])) _t__m_entries = self._root.PartitionEntry(io, self, self._root) _t__m_entries._read() self._m_entries[i] = _t__m_entries self._debug['_m_entries']['arr'][i]['end'] = io.pos() self._debug['_m_entries']['end'] = io.pos() io.seek(_pos) return self._m_entries if hasattr(self, '_m_entries') else None @property def sector_size(self): if hasattr(self, '_m_sector_size'): return self._m_sector_size if hasattr(self, '_m_sector_size') else None self._m_sector_size = 512 return self._m_sector_size if hasattr(self, '_m_sector_size') else None @property def primary(self): if hasattr(self, '_m_primary'): return self._m_primary if hasattr(self, '_m_primary') else None io = self._root._io _pos = io.pos() io.seek(self._root.sector_size) self._debug['_m_primary']['start'] = io.pos() self._m_primary = self._root.PartitionHeader(io, self, self._root) self._m_primary._read() self._debug['_m_primary']['end'] = io.pos() io.seek(_pos) return self._m_primary if hasattr(self, '_m_primary') else None @property def backup(self): if hasattr(self, '_m_backup'): return self._m_backup if hasattr(self, '_m_backup') else None io = self._root._io _pos = io.pos() io.seek((self._io.size() - self._root.sector_size)) self._debug['_m_backup']['start'] = io.pos() self._m_backup = self._root.PartitionHeader(io, self, self._root) self._m_backup._read() self._debug['_m_backup']['end'] = io.pos() io.seek(_pos) return self._m_backup if hasattr(self, '_m_backup') else None