kaitai: adjustments and rearrangements for python2/3 compat

1 files changed, 172 insertions, 0 deletions

diff --git a/python/examples/kaitai/gpt_partition_table.py b/python/examples/kaitai/gpt_partition_table.py
new file mode 100644
index 00000000..e6f0c9ed
--- /dev/null
+++ b/python/examples/kaitai/gpt_partition_table.py
@@ -0,0 +1,172 @@
+# 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
+
+