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# 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
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