kaitai: adjustments and rearrangements for python2/3 compat

1 files changed, 160 insertions, 0 deletions

diff --git a/python/examples/kaitai/lzh.py b/python/examples/kaitai/lzh.py
new file mode 100644
index 00000000..3853a19d
--- /dev/null
+++ b/python/examples/kaitai/lzh.py
@@ -0,0 +1,160 @@
+# 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 Lzh(KaitaiStruct):
+    """LHA (LHarc, LZH) is a file format used by a popular freeware
+    eponymous archiver, created in 1988 by Haruyasu Yoshizaki. Over the
+    years, many ports and implementations were developed, sporting many
+    extensions to original 1988 LZH.
+    
+    File format is pretty simple and essentially consists of a stream of
+    records.
+    """
+    SEQ_FIELDS = ["entries"]
+    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['entries']['start'] = self._io.pos()
+        self.entries = []
+        i = 0
+        while not self._io.is_eof():
+            if not 'arr' in self._debug['entries']:
+                self._debug['entries']['arr'] = []
+            self._debug['entries']['arr'].append({'start': self._io.pos()})
+            _t_entries = self._root.Record(self._io, self, self._root)
+            _t_entries._read()
+            self.entries.append(_t_entries)
+            self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+            i += 1
+
+        self._debug['entries']['end'] = self._io.pos()
+
+    class Record(KaitaiStruct):
+        SEQ_FIELDS = ["header_len", "file_record"]
+        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['header_len']['start'] = self._io.pos()
+            self.header_len = self._io.read_u1()
+            self._debug['header_len']['end'] = self._io.pos()
+            if self.header_len > 0:
+                self._debug['file_record']['start'] = self._io.pos()
+                self.file_record = self._root.FileRecord(self._io, self, self._root)
+                self.file_record._read()
+                self._debug['file_record']['end'] = self._io.pos()
+
+
+
+    class FileRecord(KaitaiStruct):
+        SEQ_FIELDS = ["header", "file_uncompr_crc16", "body"]
+        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['header']['start'] = self._io.pos()
+            self._raw_header = self._io.read_bytes((self._parent.header_len - 1))
+            io = KaitaiStream(BytesIO(self._raw_header))
+            self.header = self._root.Header(io, self, self._root)
+            self.header._read()
+            self._debug['header']['end'] = self._io.pos()
+            if self.header.header1.lha_level == 0:
+                self._debug['file_uncompr_crc16']['start'] = self._io.pos()
+                self.file_uncompr_crc16 = self._io.read_u2le()
+                self._debug['file_uncompr_crc16']['end'] = self._io.pos()
+
+            self._debug['body']['start'] = self._io.pos()
+            self.body = self._io.read_bytes(self.header.header1.file_size_compr)
+            self._debug['body']['end'] = self._io.pos()
+
+
+    class Header(KaitaiStruct):
+        SEQ_FIELDS = ["header1", "filename_len", "filename", "file_uncompr_crc16", "os", "ext_header_size"]
+        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['header1']['start'] = self._io.pos()
+            self.header1 = self._root.Header1(self._io, self, self._root)
+            self.header1._read()
+            self._debug['header1']['end'] = self._io.pos()
+            if self.header1.lha_level == 0:
+                self._debug['filename_len']['start'] = self._io.pos()
+                self.filename_len = self._io.read_u1()
+                self._debug['filename_len']['end'] = self._io.pos()
+
+            if self.header1.lha_level == 0:
+                self._debug['filename']['start'] = self._io.pos()
+                self.filename = (self._io.read_bytes(self.filename_len)).decode(u"ASCII")
+                self._debug['filename']['end'] = self._io.pos()
+
+            if self.header1.lha_level == 2:
+                self._debug['file_uncompr_crc16']['start'] = self._io.pos()
+                self.file_uncompr_crc16 = self._io.read_u2le()
+                self._debug['file_uncompr_crc16']['end'] = self._io.pos()
+
+            if self.header1.lha_level == 2:
+                self._debug['os']['start'] = self._io.pos()
+                self.os = self._io.read_u1()
+                self._debug['os']['end'] = self._io.pos()
+
+            if self.header1.lha_level == 2:
+                self._debug['ext_header_size']['start'] = self._io.pos()
+                self.ext_header_size = self._io.read_u2le()
+                self._debug['ext_header_size']['end'] = self._io.pos()
+
+
+
+    class Header1(KaitaiStruct):
+        SEQ_FIELDS = ["header_checksum", "method_id", "file_size_compr", "file_size_uncompr", "file_timestamp", "attr", "lha_level"]
+        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['header_checksum']['start'] = self._io.pos()
+            self.header_checksum = self._io.read_u1()
+            self._debug['header_checksum']['end'] = self._io.pos()
+            self._debug['method_id']['start'] = self._io.pos()
+            self.method_id = (self._io.read_bytes(5)).decode(u"ASCII")
+            self._debug['method_id']['end'] = self._io.pos()
+            self._debug['file_size_compr']['start'] = self._io.pos()
+            self.file_size_compr = self._io.read_u4le()
+            self._debug['file_size_compr']['end'] = self._io.pos()
+            self._debug['file_size_uncompr']['start'] = self._io.pos()
+            self.file_size_uncompr = self._io.read_u4le()
+            self._debug['file_size_uncompr']['end'] = self._io.pos()
+            self._debug['file_timestamp']['start'] = self._io.pos()
+            self.file_timestamp = self._io.read_u4le()
+            self._debug['file_timestamp']['end'] = self._io.pos()
+            self._debug['attr']['start'] = self._io.pos()
+            self.attr = self._io.read_u1()
+            self._debug['attr']['end'] = self._io.pos()
+            self._debug['lha_level']['start'] = self._io.pos()
+            self.lha_level = self._io.read_u1()
+            self._debug['lha_level']['end'] = self._io.pos()
+
+
+