kaitai: adjustments and rearrangements for python2/3 compat

164 files changed, 495 insertions, 1081 deletions

diff --git a/python/examples/kaitai/__init__.py b/python/examples/kaitai/__init__.py
index 90cdbd77..7ac825d2 100644
--- a/python/examples/kaitai/__init__.py
+++ b/python/examples/kaitai/__init__.py
@@ -1 +1,14 @@
-from . import view
+import sys
+
+# invoked from python2 command line? (eg: python -m kaitai ...)
+if sys.version_info[0] == 2 and sys.argv[0:] and sys.argv[0]=='-c':
+	pass
+# invoked from python3 command line? (eg: python -m kaitai ...)
+elif sys.version_info[0] == 3 and sys.argv[0:] and sys.argv[0]=='-m':
+	pass
+# invoked from binja
+else:
+	if sys.version_info[0] == 2:
+		import view
+	else:
+		from . import view
diff --git a/python/examples/kaitai/__main__.py b/python/examples/kaitai/__main__.py
new file mode 100755
index 00000000..b52f01cf
--- /dev/null
+++ b/python/examples/kaitai/__main__.py
@@ -0,0 +1,174 @@
+#!/usr/bin/env python
+
+# test script
+
+from __future__ import print_function
+
+import io
+import sys
+import types
+import importlib
+
+import binaryninja
+
+if sys.version_info[0] == 2:
+	import kaitaistruct
+	import kshelpers
+else:
+	from . import kaitaistruct
+	from . import kshelpers
+
+NORMAL = '\033[0m'
+BLACK = '\033[0;30m'
+RED = '\033[0;31m'
+GREEN = '\033[0;32m'
+YELLOW = '\033[0;33m'
+BLUE = '\033[0;34m'
+PURPLE = '\033[0;35m'
+CYAN = '\033[0;36m'
+GRAY = '\033[0;37m'
+
+LBLACK = '\033[1;30m'
+LRED = '\033[1;31m'
+LGREEN = '\033[1;32m'
+LYELLOW = '\033[1;33m'
+LBLUE = '\033[1;34m'
+LPURPLE = '\033[1;35m'
+LCYAN = '\033[1;36m'
+LGRAY = '\033[1;37m'
+
+def dump(obj, depth=0):
+	dump_exceptions = ['_root', '_parent', '_io', 'SEQ_FIELDS']
+
+	indent = '    '*depth
+
+	if isinstance(obj, kaitaistruct.KaitaiStruct):
+		for fieldName in dir(obj):
+			if hasattr(obj, fieldName):
+				getattr(obj, fieldName)
+
+		for fieldName in dir(obj):
+			#print('considering field: %s (hasattr returns: %d)' % (fieldName, hasattr(obj, fieldName)))
+			if fieldName != '_debug' and fieldName.startswith('_'):
+				continue
+			if fieldName in dump_exceptions:
+				continue
+			if not hasattr(obj, fieldName):
+				continue
+
+			subObj = getattr(obj, fieldName)
+
+			if type(subObj) == types.MethodType:
+				pass
+			#elif type(subObj) == types.TypeType:
+			elif isinstance(subObj, type):
+				pass
+			elif fieldName == '_debug':
+				print(('%s._debug:'+RED+' %s'+NORMAL) % (indent, repr(subObj)))
+			#elif type(subObj) == types.ListType:
+			elif isinstance(subObj, list):
+				if len(subObj)>0 and isinstance(subObj[0], kaitaistruct.KaitaiStruct):
+					for i in range(len(subObj)):
+						print('%s.%s[%d]:' % (indent, fieldName, i))
+						dump(subObj[i], depth+1)
+				else:
+					print('%s.%s: %s' % (indent, fieldName, str(subObj)))
+			#elif type(subObj) == types.DictionaryType:
+			elif isinstance(subObj, dict):
+				print('%s.%s: %s' % (indent, fieldName, subObj))
+
+			#elif type(subObj) == types.StringType:
+			elif isinstance(subObj, str):
+				if len(subObj) <= 16:
+					print(('%s.%s: '+CYAN+'%s'+NORMAL) % (indent, fieldName, repr(subObj)))
+				else:
+					print(('%s.%s: '+CYAN+'%s...'+NORMAL+' 0x%X (%d) bytes total') % \
+						(indent, fieldName, repr(subObj[0:16]), len(subObj), len(subObj))
+					)
+
+			elif type(subObj) == int:
+				print(('%s.%s: '+YELLOW+'0x%X '+NORMAL+'('+YELLOW+'%d'+NORMAL+')') % (indent, fieldName, subObj, subObj))
+
+			elif str(type(subObj)).startswith('<enum '):
+				print(('%s.%s: '+'%s') % (indent, fieldName, repr(subObj)))
+
+			elif isinstance(subObj, kaitaistruct.KaitaiStruct):
+				print('%s.%s:' % (indent, fieldName))
+				dump(subObj, depth+1)
+
+			else:
+				print('%s.%s: %s' % (indent, fieldName, type(subObj)))
+	else:
+		print((PURPLE+'%s%s'+NORMAL) % (indent, repr(obj)))
+		#else:
+		#	print('%s%s: %s' % (indent, fieldName, repr(subObj)))
+
+if __name__ == '__main__':
+	if not sys.argv[1:]:
+		raise Exception('expected arguments')
+
+	cmd = sys.argv[1]
+
+	if cmd == 'dump':
+		fpath = sys.argv[2]
+		parsed = kshelpers.parseFpath(fpath)
+		dump(parsed)
+
+	if cmd == 'import':
+		print('importing every format...')
+
+		module_names = [
+			'cpio_old_le', 'gzip', 'lzh', 'rar', 'zip', 'monomakh_sapr_chg', 'bcd',
+			'vlq_base128_be', 'vlq_base128_le', 'dbf', 'gettext_mo', 'sqlite3', 'tsm',
+			'dex', 'dos_mz', 'elf', 'java_class', 'mach_o', 'microsoft_pe',
+			'python_pyc_27', 'swf', 'apm_partition_table', 'apple_single_double', 'cramfs',
+			'ext2', 'gpt_partition_table', 'iso9660', 'luks', 'lvm2',
+			'mbr_partition_table', 'tr_dos_image', 'vdi', 'vfat', 'vmware_vmdk',
+			'andes_firmware', 'ines', 'uimage', 'ttf', 'allegro_dat', 'doom_wad',
+			'dune_2_pak', 'fallout2_dat', 'fallout_dat', 'ftl_dat', 'gran_turismo_vol',
+			'heaps_pak', 'heroes_of_might_and_magic_agg', 'heroes_of_might_and_magic_bmp',
+			'quake_mdl', 'quake_pak', 'renderware_binary_stream', 'saints_row_2_vpp_pc',
+			'warcraft_2_pud', 'shapefile_index', 'shapefile_main', 'edid',
+			'mifare_classic', 'bmp', 'dicom', 'exif', 'exif_be', 'exif_le', 'gif', 'icc_4',
+			'ico', 'jpeg', 'pcx', 'pcx_dcx', 'png', 'psx_tim', 'tga', 'wmf', 'xwd',
+			'aix_utmp', 'glibc_utmp', 'systemd_journal', 'windows_evt_log', 'code_6502',
+			'avi', 'blender_blend', 'creative_voice_file', 'genmidi_op2', 'id3v1_1',
+			'id3v2_3', 'id3v2_4', 'magicavoxel_vox', 'ogg', 'quicktime_mov',
+			'standard_midi_file', 'stl', 'fasttracker_xm_module', 's3m', 'vp8_ivf', 'wav',
+			'bitcoin_transaction', 'dns_packet', 'ethernet_frame', 'hccap', 'hccapx',
+			'icmp_packet', 'ipv4_packet', 'ipv6_packet', 'microsoft_network_monitor_v2',
+			'packet_ppi', 'pcap', 'protocol_body', 'rtcp_payload', 'rtp_packet',
+			'tcp_segment', 'tls_client_hello', 'udp_datagram', 'nt_mdt', 'nt_mdt_pal',
+			'avantes_roh60', 'specpr', 'openpgp_message', 'ssh_public_key', 'asn1_der',
+			'bson', 'google_protobuf', 'microsoft_cfb', 'msgpack', 'ruby_marshal', 'regf',
+			'windows_lnk_file', 'windows_minidump', 'windows_resource_file',
+			'windows_shell_items', 'windows_systemtime'
+		]
+
+		(npass, nfail) = (0,0)
+
+		for module_name in module_names:
+			class_name = ''.join(map(lambda x: x.capitalize(), module_name.split('_')))
+
+			print('from %s import %s...' % (module_name, class_name), end='')
+			try:
+				module = importlib.import_module('.'+module_name, 'kaitai')
+				method = getattr(module, class_name)
+				print('['+GREEN+'PASS'+NORMAL+']')
+				npass += 1
+			except Exception as e:
+				print('['+RED+str(e)+NORMAL+']')
+				nfail += 1
+
+		ntests = 1.0*npass + nfail
+		assert(ntests == len(module_names))
+		print('passes %d of %d (rate: %f%%)' % (npass, ntests, npass/ntests))
+		print('failures %d of %d (rate: %f%%)' % (nfail, ntests, nfail/ntests))
+
+	if cmd == 'dumpbinja':
+		fpath = sys.argv[2]
+		binaryView = binaryninja.BinaryViewType['Raw'].open(fpath)
+		kaitaiIo = KaitaiBinaryViewIO(binaryView)
+		parsed = parse_io(kaitaiIo)
+		print(parsed.header.program_headers)
+
diff --git a/python/examples/kaitai/kaitai_struct_formats/log/aix_utmp.py b/python/examples/kaitai/aix_utmp.py
index e731fc16..67ce2506 100644
--- a/python/examples/kaitai/kaitai_struct_formats/log/aix_utmp.py
+++ b/python/examples/kaitai/aix_utmp.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/allegro_dat.py b/python/examples/kaitai/allegro_dat.py
index 0078bf45..1569e523 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/allegro_dat.py
+++ b/python/examples/kaitai/allegro_dat.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/firmware/andes_firmware.py b/python/examples/kaitai/andes_firmware.py
index b032da33..8be90e48 100644
--- a/python/examples/kaitai/kaitai_struct_formats/firmware/andes_firmware.py
+++ b/python/examples/kaitai/andes_firmware.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/apm_partition_table.py b/python/examples/kaitai/apm_partition_table.py
index 18b05757..744a085c 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/apm_partition_table.py
+++ b/python/examples/kaitai/apm_partition_table.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/apple_single_double.py b/python/examples/kaitai/apple_single_double.py
index 39a65abc..b2c05d8f 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/apple_single_double.py
+++ b/python/examples/kaitai/apple_single_double.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/asn1/asn1_der.py b/python/examples/kaitai/asn1_der.py
index 1809b2db..cd92a75e 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/asn1/asn1_der.py
+++ b/python/examples/kaitai/asn1_der.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/avantes_roh60.py b/python/examples/kaitai/avantes_roh60.py
index f2d95219..6a17acea 100644
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/avantes_roh60.py
+++ b/python/examples/kaitai/avantes_roh60.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/avi.py b/python/examples/kaitai/avi.py
index bf34eb55..872a4f97 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/avi.py
+++ b/python/examples/kaitai/avi.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/common/bcd.py b/python/examples/kaitai/bcd.py
index d75829d2..3f2afb80 100644
--- a/python/examples/kaitai/kaitai_struct_formats/common/bcd.py
+++ b/python/examples/kaitai/bcd.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/bitcoin_transaction.py b/python/examples/kaitai/bitcoin_transaction.py
index 41d05158..c2324637 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/bitcoin_transaction.py
+++ b/python/examples/kaitai/bitcoin_transaction.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/blender_blend.py b/python/examples/kaitai/blender_blend.py
index bda24a08..4d6d4ab5 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/blender_blend.py
+++ b/python/examples/kaitai/blender_blend.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/bmp.py b/python/examples/kaitai/bmp.py
index 98519f41..41f039d9 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/bmp.py
+++ b/python/examples/kaitai/bmp.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/bson.py b/python/examples/kaitai/bson.py
index f3b0f295..a8fbd922 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/bson.py
+++ b/python/examples/kaitai/bson.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/machine_code/code_6502.py b/python/examples/kaitai/code_6502.py
index 1466959d..80f29150 100644
--- a/python/examples/kaitai/kaitai_struct_formats/machine_code/code_6502.py
+++ b/python/examples/kaitai/code_6502.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/cpio_old_le.py b/python/examples/kaitai/cpio_old_le.py
index 2b019d86..9c99d3e1 100644
--- a/python/examples/kaitai/kaitai_struct_formats/archive/cpio_old_le.py
+++ b/python/examples/kaitai/cpio_old_le.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/cramfs.py b/python/examples/kaitai/cramfs.py
index bb8efdd1..782cb9af 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/cramfs.py
+++ b/python/examples/kaitai/cramfs.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/creative_voice_file.py b/python/examples/kaitai/creative_voice_file.py
index f49a26ce..3ee67227 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/creative_voice_file.py
+++ b/python/examples/kaitai/creative_voice_file.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/dbf.py b/python/examples/kaitai/dbf.py
index 4cfeb9e8..ba026162 100644
--- a/python/examples/kaitai/kaitai_struct_formats/database/dbf.py
+++ b/python/examples/kaitai/dbf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/dex.py b/python/examples/kaitai/dex.py
index 8a3ddaa4..f2dad696 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/dex.py
+++ b/python/examples/kaitai/dex.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/dicom.py b/python/examples/kaitai/dicom.py
index c13372ff..2bba1910 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/dicom.py
+++ b/python/examples/kaitai/dicom.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/dns_packet.py b/python/examples/kaitai/dns_packet.py
index c90b66da..159b6746 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/dns_packet.py
+++ b/python/examples/kaitai/dns_packet.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/doom_wad.py b/python/examples/kaitai/doom_wad.py
index b5705ae9..b0de10a6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/doom_wad.py
+++ b/python/examples/kaitai/doom_wad.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/dos_mz.py b/python/examples/kaitai/dos_mz.py
index c718c41e..8ad248e7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/dos_mz.py
+++ b/python/examples/kaitai/dos_mz.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/dune_2_pak.py b/python/examples/kaitai/dune_2_pak.py
index e074b018..bd56f1a5 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/dune_2_pak.py
+++ b/python/examples/kaitai/dune_2_pak.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/hardware/edid.py b/python/examples/kaitai/edid.py
index 73497d62..9ece78a4 100644
--- a/python/examples/kaitai/kaitai_struct_formats/hardware/edid.py
+++ b/python/examples/kaitai/edid.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/elf.py b/python/examples/kaitai/elf.py
index c134a2e2..6f5eb252 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/elf.py
+++ b/python/examples/kaitai/elf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/ethernet_frame.py b/python/examples/kaitai/ethernet_frame.py
index e6baaccf..e90c43c7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/ethernet_frame.py
+++ b/python/examples/kaitai/ethernet_frame.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/exif.py b/python/examples/kaitai/exif.py
index 5b7ae3b5..f0a27b70 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/exif.py
+++ b/python/examples/kaitai/exif.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/exif_be.py b/python/examples/kaitai/exif_be.py
index df758573..d27ae9fd 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/exif_be.py
+++ b/python/examples/kaitai/exif_be.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/exif_le.py b/python/examples/kaitai/exif_le.py
index 94f4155a..4ea8edd6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/exif_le.py
+++ b/python/examples/kaitai/exif_le.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/ext2.py b/python/examples/kaitai/ext2.py
index f912475b..50cf4824 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/ext2.py
+++ b/python/examples/kaitai/ext2.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/fallout2_dat.py b/python/examples/kaitai/fallout2_dat.py
index e22fc0d5..c6350d89 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/fallout2_dat.py
+++ b/python/examples/kaitai/fallout2_dat.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 import zlib
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/fallout_dat.py b/python/examples/kaitai/fallout_dat.py
index 4ce06191..5885100c 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/fallout_dat.py
+++ b/python/examples/kaitai/fallout_dat.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/fasttracker_xm_module.py b/python/examples/kaitai/fasttracker_xm_module.py
index fad6c2cc..cca84ab0 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/fasttracker_xm_module.py
+++ b/python/examples/kaitai/fasttracker_xm_module.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/ftl_dat.py b/python/examples/kaitai/ftl_dat.py
index d56d478a..21ca6a07 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/ftl_dat.py
+++ b/python/examples/kaitai/ftl_dat.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/genmidi_op2.py b/python/examples/kaitai/genmidi_op2.py
index b73c2f8c..ab39962a 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/genmidi_op2.py
+++ b/python/examples/kaitai/genmidi_op2.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/gettext_mo.py b/python/examples/kaitai/gettext_mo.py
index 2064a039..c5de94b8 100644
--- a/python/examples/kaitai/kaitai_struct_formats/database/gettext_mo.py
+++ b/python/examples/kaitai/gettext_mo.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/gif.py b/python/examples/kaitai/gif.py
index 95586ed2..82cfc7b6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/gif.py
+++ b/python/examples/kaitai/gif.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
@@ -17,7 +16,7 @@ class Gif(KaitaiStruct):
     
     GIF format allows encoding of palette-based images up to 256 colors
     (each of the colors can be chosen from a 24-bit RGB
-    colorspace). Image data stream uses LZW (Lempel–Ziv–Welch) lossless
+    colorspace). Image data stream uses LZW (LempelAAAZivAAAWelch) lossless
     compression.
     
     Over the years, several version of the format were published and
diff --git a/python/examples/kaitai/kaitai_struct_formats/log/glibc_utmp.py b/python/examples/kaitai/glibc_utmp.py
index 87852ae9..80ba88f9 100644
--- a/python/examples/kaitai/kaitai_struct_formats/log/glibc_utmp.py
+++ b/python/examples/kaitai/glibc_utmp.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/google_protobuf.py b/python/examples/kaitai/google_protobuf.py
index 0bb3cac6..27b4b2ef 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/google_protobuf.py
+++ b/python/examples/kaitai/google_protobuf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/gpt_partition_table.py b/python/examples/kaitai/gpt_partition_table.py
index 49a56371..e6f0c9ed 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/gpt_partition_table.py
+++ b/python/examples/kaitai/gpt_partition_table.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/gran_turismo_vol.py b/python/examples/kaitai/gran_turismo_vol.py
index 1b76c226..34e9df0e 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/gran_turismo_vol.py
+++ b/python/examples/kaitai/gran_turismo_vol.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/gzip.py b/python/examples/kaitai/gzip.py
index b233cff2..2f03aeec 100644
--- a/python/examples/kaitai/kaitai_struct_formats/archive/gzip.py
+++ b/python/examples/kaitai/gzip.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/hccap.py b/python/examples/kaitai/hccap.py
index db02ef14..48fc17f4 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/hccap.py
+++ b/python/examples/kaitai/hccap.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/hccapx.py b/python/examples/kaitai/hccapx.py
index 439db7d4..8727ecfe 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/hccapx.py
+++ b/python/examples/kaitai/hccapx.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/heaps_pak.py b/python/examples/kaitai/heaps_pak.py
index 63937a47..a0e44da6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/heaps_pak.py
+++ b/python/examples/kaitai/heaps_pak.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/heroes_of_might_and_magic_agg.py b/python/examples/kaitai/heroes_of_might_and_magic_agg.py
index caff6a27..9e45cf0c 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/heroes_of_might_and_magic_agg.py
+++ b/python/examples/kaitai/heroes_of_might_and_magic_agg.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/heroes_of_might_and_magic_bmp.py b/python/examples/kaitai/heroes_of_might_and_magic_bmp.py
index cc02696a..014d9797 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/heroes_of_might_and_magic_bmp.py
+++ b/python/examples/kaitai/heroes_of_might_and_magic_bmp.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/icc_4.py b/python/examples/kaitai/icc_4.py
index 585358e3..4597e474 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/icc_4.py
+++ b/python/examples/kaitai/icc_4.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/icmp_packet.py b/python/examples/kaitai/icmp_packet.py
index 45de7aae..19b42e6f 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/icmp_packet.py
+++ b/python/examples/kaitai/icmp_packet.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/ico.py b/python/examples/kaitai/ico.py
index 0c9fffed..408c4bc4 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/ico.py
+++ b/python/examples/kaitai/ico.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/id3v1_1.py b/python/examples/kaitai/id3v1_1.py
index 37a71459..41b2e880 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/id3v1_1.py
+++ b/python/examples/kaitai/id3v1_1.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/id3v2_3.py b/python/examples/kaitai/id3v2_3.py
index cf6e5e1e..cf3c2d46 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/id3v2_3.py
+++ b/python/examples/kaitai/id3v2_3.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/id3v2_4.py b/python/examples/kaitai/id3v2_4.py
index 0cdde2eb..528ea22b 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/id3v2_4.py
+++ b/python/examples/kaitai/id3v2_4.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/firmware/ines.py b/python/examples/kaitai/ines.py
index e9c97d29..7f58e105 100644
--- a/python/examples/kaitai/kaitai_struct_formats/firmware/ines.py
+++ b/python/examples/kaitai/ines.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/ipv4_packet.py b/python/examples/kaitai/ipv4_packet.py
index 0bc7bb95..ffc83f92 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/ipv4_packet.py
+++ b/python/examples/kaitai/ipv4_packet.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/ipv6_packet.py b/python/examples/kaitai/ipv6_packet.py
index c108d643..3d828e64 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/ipv6_packet.py
+++ b/python/examples/kaitai/ipv6_packet.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/iso9660.py b/python/examples/kaitai/iso9660.py
index 2ed28663..dd8071a8 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/iso9660.py
+++ b/python/examples/kaitai/iso9660.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/java_class.py b/python/examples/kaitai/java_class.py
index fd92ab69..e492e83f 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/java_class.py
+++ b/python/examples/kaitai/java_class.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/jpeg.py b/python/examples/kaitai/jpeg.py
index ad5b527e..6fd5bcb0 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/jpeg.py
+++ b/python/examples/kaitai/jpeg.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/__init__.py b/python/examples/kaitai/kaitai_struct_formats/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/__init__.py b/python/examples/kaitai/kaitai_struct_formats/archive/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/archive/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/cad/__init__.py b/python/examples/kaitai/kaitai_struct_formats/cad/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/cad/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/common/__init__.py b/python/examples/kaitai/kaitai_struct_formats/common/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/common/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_be.py b/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_be.py
deleted file mode 100644
index 097d1e36..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_be.py
+++ /dev/null
@@ -1,103 +0,0 @@
-from __future__ import absolute_import
-# 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 VlqBase128Be(KaitaiStruct):
-    """A variable-length unsigned integer using base128 encoding. 1-byte groups
-    consist of 1-bit flag of continuation and 7-bit value chunk, and are ordered
-    "most significant group first", i.e. in "big-endian" manner.
-    
-    This particular encoding is specified and used in:
-    
-    * Standard MIDI file format
-    * ASN.1 BER encoding
-    
-    More information on this encoding is available at
-    https://en.wikipedia.org/wiki/Variable-length_quantity
-    
-    This particular implementation supports serialized values to up 8 bytes long.
-    """
-    SEQ_FIELDS = ["groups"]
-    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['groups']['start'] = self._io.pos()
-        self.groups = []
-        i = 0
-        while True:
-            if not 'arr' in self._debug['groups']:
-                self._debug['groups']['arr'] = []
-            self._debug['groups']['arr'].append({'start': self._io.pos()})
-            _t_groups = self._root.Group(self._io, self, self._root)
-            _t_groups._read()
-            _ = _t_groups
-            self.groups.append(_)
-            self._debug['groups']['arr'][len(self.groups) - 1]['end'] = self._io.pos()
-            if not (_.has_next):
-                break
-            i += 1
-        self._debug['groups']['end'] = self._io.pos()
-
-    class Group(KaitaiStruct):
-        """One byte group, clearly divided into 7-bit "value" chunk and 1-bit "continuation" flag.
-        """
-        SEQ_FIELDS = ["b"]
-        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['b']['start'] = self._io.pos()
-            self.b = self._io.read_u1()
-            self._debug['b']['end'] = self._io.pos()
-
-        @property
-        def has_next(self):
-            """If true, then we have more bytes to read."""
-            if hasattr(self, '_m_has_next'):
-                return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-            self._m_has_next = (self.b & 128) != 0
-            return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-        @property
-        def value(self):
-            """The 7-bit (base128) numeric value chunk of this group."""
-            if hasattr(self, '_m_value'):
-                return self._m_value if hasattr(self, '_m_value') else None
-
-            self._m_value = (self.b & 127)
-            return self._m_value if hasattr(self, '_m_value') else None
-
-
-    @property
-    def last(self):
-        if hasattr(self, '_m_last'):
-            return self._m_last if hasattr(self, '_m_last') else None
-
-        self._m_last = (len(self.groups) - 1)
-        return self._m_last if hasattr(self, '_m_last') else None
-
-    @property
-    def value(self):
-        """Resulting value as normal integer."""
-        if hasattr(self, '_m_value'):
-            return self._m_value if hasattr(self, '_m_value') else None
-
-        self._m_value = (((((((self.groups[self.last].value + ((self.groups[(self.last - 1)].value << 7) if self.last >= 1 else 0)) + ((self.groups[(self.last - 2)].value << 14) if self.last >= 2 else 0)) + ((self.groups[(self.last - 3)].value << 21) if self.last >= 3 else 0)) + ((self.groups[(self.last - 4)].value << 28) if self.last >= 4 else 0)) + ((self.groups[(self.last - 5)].value << 35) if self.last >= 5 else 0)) + ((self.groups[(self.last - 6)].value << 42) if self.last >= 6 else 0)) + ((self.groups[(self.last - 7)].value << 49) if self.last >= 7 else 0))
-        return self._m_value if hasattr(self, '_m_value') else None
-
-
diff --git a/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_le.py b/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_le.py
deleted file mode 100644
index ae49cffc..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/common/vlq_base128_le.py
+++ /dev/null
@@ -1,109 +0,0 @@
-from __future__ import absolute_import
-# 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 VlqBase128Le(KaitaiStruct):
-    """A variable-length unsigned integer using base128 encoding. 1-byte groups
-    consist of 1-bit flag of continuation and 7-bit value chunk, and are ordered
-    "least significant group first", i.e. in "little-endian" manner.
-    
-    This particular encoding is specified and used in:
-    
-    * DWARF debug file format, where it's dubbed "unsigned LEB128" or "ULEB128".
-      http://dwarfstd.org/doc/dwarf-2.0.0.pdf - page 139
-    * Google Protocol Buffers, where it's called "Base 128 Varints".
-      https://developers.google.com/protocol-buffers/docs/encoding?csw=1#varints
-    * Apache Lucene, where it's called "VInt"
-      http://lucene.apache.org/core/3_5_0/fileformats.html#VInt
-    * Apache Avro uses this as a basis for integer encoding, adding ZigZag on
-      top of it for signed ints
-      http://avro.apache.org/docs/current/spec.html#binary_encode_primitive
-    
-    More information on this encoding is available at https://en.wikipedia.org/wiki/LEB128
-    
-    This particular implementation supports serialized values to up 8 bytes long.
-    """
-    SEQ_FIELDS = ["groups"]
-    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['groups']['start'] = self._io.pos()
-        self.groups = []
-        i = 0
-        while True:
-            if not 'arr' in self._debug['groups']:
-                self._debug['groups']['arr'] = []
-            self._debug['groups']['arr'].append({'start': self._io.pos()})
-            _t_groups = self._root.Group(self._io, self, self._root)
-            _t_groups._read()
-            _ = _t_groups
-            self.groups.append(_)
-            self._debug['groups']['arr'][len(self.groups) - 1]['end'] = self._io.pos()
-            if not (_.has_next):
-                break
-            i += 1
-        self._debug['groups']['end'] = self._io.pos()
-
-    class Group(KaitaiStruct):
-        """One byte group, clearly divided into 7-bit "value" chunk and 1-bit "continuation" flag.
-        """
-        SEQ_FIELDS = ["b"]
-        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['b']['start'] = self._io.pos()
-            self.b = self._io.read_u1()
-            self._debug['b']['end'] = self._io.pos()
-
-        @property
-        def has_next(self):
-            """If true, then we have more bytes to read."""
-            if hasattr(self, '_m_has_next'):
-                return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-            self._m_has_next = (self.b & 128) != 0
-            return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-        @property
-        def value(self):
-            """The 7-bit (base128) numeric value chunk of this group."""
-            if hasattr(self, '_m_value'):
-                return self._m_value if hasattr(self, '_m_value') else None
-
-            self._m_value = (self.b & 127)
-            return self._m_value if hasattr(self, '_m_value') else None
-
-
-    @property
-    def len(self):
-        if hasattr(self, '_m_len'):
-            return self._m_len if hasattr(self, '_m_len') else None
-
-        self._m_len = len(self.groups)
-        return self._m_len if hasattr(self, '_m_len') else None
-
-    @property
-    def value(self):
-        """Resulting value as normal integer."""
-        if hasattr(self, '_m_value'):
-            return self._m_value if hasattr(self, '_m_value') else None
-
-        self._m_value = (((((((self.groups[0].value + ((self.groups[1].value << 7) if self.len >= 2 else 0)) + ((self.groups[2].value << 14) if self.len >= 3 else 0)) + ((self.groups[3].value << 21) if self.len >= 4 else 0)) + ((self.groups[4].value << 28) if self.len >= 5 else 0)) + ((self.groups[5].value << 35) if self.len >= 6 else 0)) + ((self.groups[6].value << 42) if self.len >= 7 else 0)) + ((self.groups[7].value << 49) if self.len >= 8 else 0))
-        return self._m_value if hasattr(self, '_m_value') else None
-
-
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/__init__.py b/python/examples/kaitai/kaitai_struct_formats/database/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/database/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/vlq_base128_be.py b/python/examples/kaitai/kaitai_struct_formats/database/vlq_base128_be.py
deleted file mode 100644
index 826cdd95..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/database/vlq_base128_be.py
+++ /dev/null
@@ -1,102 +0,0 @@
-# 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 VlqBase128Be(KaitaiStruct):
-    """A variable-length unsigned integer using base128 encoding. 1-byte groups
-    consist of 1-bit flag of continuation and 7-bit value chunk, and are ordered
-    "most significant group first", i.e. in "big-endian" manner.
-    
-    This particular encoding is specified and used in:
-    
-    * Standard MIDI file format
-    * ASN.1 BER encoding
-    
-    More information on this encoding is available at
-    https://en.wikipedia.org/wiki/Variable-length_quantity
-    
-    This particular implementation supports serialized values to up 8 bytes long.
-    """
-    SEQ_FIELDS = ["groups"]
-    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['groups']['start'] = self._io.pos()
-        self.groups = []
-        i = 0
-        while True:
-            if not 'arr' in self._debug['groups']:
-                self._debug['groups']['arr'] = []
-            self._debug['groups']['arr'].append({'start': self._io.pos()})
-            _t_groups = self._root.Group(self._io, self, self._root)
-            _t_groups._read()
-            _ = _t_groups
-            self.groups.append(_)
-            self._debug['groups']['arr'][len(self.groups) - 1]['end'] = self._io.pos()
-            if not (_.has_next):
-                break
-            i += 1
-        self._debug['groups']['end'] = self._io.pos()
-
-    class Group(KaitaiStruct):
-        """One byte group, clearly divided into 7-bit "value" chunk and 1-bit "continuation" flag.
-        """
-        SEQ_FIELDS = ["b"]
-        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['b']['start'] = self._io.pos()
-            self.b = self._io.read_u1()
-            self._debug['b']['end'] = self._io.pos()
-
-        @property
-        def has_next(self):
-            """If true, then we have more bytes to read."""
-            if hasattr(self, '_m_has_next'):
-                return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-            self._m_has_next = (self.b & 128) != 0
-            return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-        @property
-        def value(self):
-            """The 7-bit (base128) numeric value chunk of this group."""
-            if hasattr(self, '_m_value'):
-                return self._m_value if hasattr(self, '_m_value') else None
-
-            self._m_value = (self.b & 127)
-            return self._m_value if hasattr(self, '_m_value') else None
-
-
-    @property
-    def last(self):
-        if hasattr(self, '_m_last'):
-            return self._m_last if hasattr(self, '_m_last') else None
-
-        self._m_last = (len(self.groups) - 1)
-        return self._m_last if hasattr(self, '_m_last') else None
-
-    @property
-    def value(self):
-        """Resulting value as normal integer."""
-        if hasattr(self, '_m_value'):
-            return self._m_value if hasattr(self, '_m_value') else None
-
-        self._m_value = (((((((self.groups[self.last].value + ((self.groups[(self.last - 1)].value << 7) if self.last >= 1 else 0)) + ((self.groups[(self.last - 2)].value << 14) if self.last >= 2 else 0)) + ((self.groups[(self.last - 3)].value << 21) if self.last >= 3 else 0)) + ((self.groups[(self.last - 4)].value << 28) if self.last >= 4 else 0)) + ((self.groups[(self.last - 5)].value << 35) if self.last >= 5 else 0)) + ((self.groups[(self.last - 6)].value << 42) if self.last >= 6 else 0)) + ((self.groups[(self.last - 7)].value << 49) if self.last >= 7 else 0))
-        return self._m_value if hasattr(self, '_m_value') else None
-
-
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/__init__.py b/python/examples/kaitai/kaitai_struct_formats/executable/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/executable/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/vlq_base128_le.py b/python/examples/kaitai/kaitai_struct_formats/executable/vlq_base128_le.py
deleted file mode 100644
index 407fdac7..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/executable/vlq_base128_le.py
+++ /dev/null
@@ -1,108 +0,0 @@
-# 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 VlqBase128Le(KaitaiStruct):
-    """A variable-length unsigned integer using base128 encoding. 1-byte groups
-    consist of 1-bit flag of continuation and 7-bit value chunk, and are ordered
-    "least significant group first", i.e. in "little-endian" manner.
-    
-    This particular encoding is specified and used in:
-    
-    * DWARF debug file format, where it's dubbed "unsigned LEB128" or "ULEB128".
-      http://dwarfstd.org/doc/dwarf-2.0.0.pdf - page 139
-    * Google Protocol Buffers, where it's called "Base 128 Varints".
-      https://developers.google.com/protocol-buffers/docs/encoding?csw=1#varints
-    * Apache Lucene, where it's called "VInt"
-      http://lucene.apache.org/core/3_5_0/fileformats.html#VInt
-    * Apache Avro uses this as a basis for integer encoding, adding ZigZag on
-      top of it for signed ints
-      http://avro.apache.org/docs/current/spec.html#binary_encode_primitive
-    
-    More information on this encoding is available at https://en.wikipedia.org/wiki/LEB128
-    
-    This particular implementation supports serialized values to up 8 bytes long.
-    """
-    SEQ_FIELDS = ["groups"]
-    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['groups']['start'] = self._io.pos()
-        self.groups = []
-        i = 0
-        while True:
-            if not 'arr' in self._debug['groups']:
-                self._debug['groups']['arr'] = []
-            self._debug['groups']['arr'].append({'start': self._io.pos()})
-            _t_groups = self._root.Group(self._io, self, self._root)
-            _t_groups._read()
-            _ = _t_groups
-            self.groups.append(_)
-            self._debug['groups']['arr'][len(self.groups) - 1]['end'] = self._io.pos()
-            if not (_.has_next):
-                break
-            i += 1
-        self._debug['groups']['end'] = self._io.pos()
-
-    class Group(KaitaiStruct):
-        """One byte group, clearly divided into 7-bit "value" chunk and 1-bit "continuation" flag.
-        """
-        SEQ_FIELDS = ["b"]
-        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['b']['start'] = self._io.pos()
-            self.b = self._io.read_u1()
-            self._debug['b']['end'] = self._io.pos()
-
-        @property
-        def has_next(self):
-            """If true, then we have more bytes to read."""
-            if hasattr(self, '_m_has_next'):
-                return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-            self._m_has_next = (self.b & 128) != 0
-            return self._m_has_next if hasattr(self, '_m_has_next') else None
-
-        @property
-        def value(self):
-            """The 7-bit (base128) numeric value chunk of this group."""
-            if hasattr(self, '_m_value'):
-                return self._m_value if hasattr(self, '_m_value') else None
-
-            self._m_value = (self.b & 127)
-            return self._m_value if hasattr(self, '_m_value') else None
-
-
-    @property
-    def len(self):
-        if hasattr(self, '_m_len'):
-            return self._m_len if hasattr(self, '_m_len') else None
-
-        self._m_len = len(self.groups)
-        return self._m_len if hasattr(self, '_m_len') else None
-
-    @property
-    def value(self):
-        """Resulting value as normal integer."""
-        if hasattr(self, '_m_value'):
-            return self._m_value if hasattr(self, '_m_value') else None
-
-        self._m_value = (((((((self.groups[0].value + ((self.groups[1].value << 7) if self.len >= 2 else 0)) + ((self.groups[2].value << 14) if self.len >= 3 else 0)) + ((self.groups[3].value << 21) if self.len >= 4 else 0)) + ((self.groups[4].value << 28) if self.len >= 5 else 0)) + ((self.groups[5].value << 35) if self.len >= 6 else 0)) + ((self.groups[6].value << 42) if self.len >= 7 else 0)) + ((self.groups[7].value << 49) if self.len >= 8 else 0))
-        return self._m_value if hasattr(self, '_m_value') else None
-
-
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/__init__.py b/python/examples/kaitai/kaitai_struct_formats/filesystem/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/firmware/__init__.py b/python/examples/kaitai/kaitai_struct_formats/firmware/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/firmware/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/font/__init__.py b/python/examples/kaitai/kaitai_struct_formats/font/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/font/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/__init__.py b/python/examples/kaitai/kaitai_struct_formats/game/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/game/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/geospatial/__init__.py b/python/examples/kaitai/kaitai_struct_formats/geospatial/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/geospatial/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/hardware/__init__.py b/python/examples/kaitai/kaitai_struct_formats/hardware/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/hardware/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/hardware/mifare/__init__.py b/python/examples/kaitai/kaitai_struct_formats/hardware/mifare/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/hardware/mifare/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/__init__.py b/python/examples/kaitai/kaitai_struct_formats/image/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/image/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/log/__init__.py b/python/examples/kaitai/kaitai_struct_formats/log/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/log/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/machine_code/__init__.py b/python/examples/kaitai/kaitai_struct_formats/machine_code/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/machine_code/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/__init__.py b/python/examples/kaitai/kaitai_struct_formats/media/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/media/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/__init__.py b/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/__init__.py b/python/examples/kaitai/kaitai_struct_formats/network/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/network/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/__init__.py b/python/examples/kaitai/kaitai_struct_formats/scientific/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/__init__.py b/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/__init__.py b/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/security/__init__.py b/python/examples/kaitai/kaitai_struct_formats/security/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/security/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/__init__.py b/python/examples/kaitai/kaitai_struct_formats/serialization/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/asn1/__init__.py b/python/examples/kaitai/kaitai_struct_formats/serialization/asn1/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/asn1/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/__init__.py b/python/examples/kaitai/kaitai_struct_formats/windows/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/windows/__init__.py
+++ /dev/null
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/windows_systemtime.py b/python/examples/kaitai/kaitai_struct_formats/windows/windows_systemtime.py
deleted file mode 100644
index 4d3e288b..00000000
--- a/python/examples/kaitai/kaitai_struct_formats/windows/windows_systemtime.py
+++ /dev/null
@@ -1,52 +0,0 @@
-from __future__ import absolute_import
-# 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 WindowsSystemtime(KaitaiStruct):
-    """Microsoft Windows SYSTEMTIME structure, stores individual components
-    of date and time as individual fields, up to millisecond precision.
-    
-    .. seealso::
-       Source - https://msdn.microsoft.com/en-us/library/windows/desktop/ms724950.aspx
-    """
-    SEQ_FIELDS = ["year", "month", "dow", "day", "hour", "min", "sec", "msec"]
-    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['year']['start'] = self._io.pos()
-        self.year = self._io.read_u2le()
-        self._debug['year']['end'] = self._io.pos()
-        self._debug['month']['start'] = self._io.pos()
-        self.month = self._io.read_u2le()
-        self._debug['month']['end'] = self._io.pos()
-        self._debug['dow']['start'] = self._io.pos()
-        self.dow = self._io.read_u2le()
-        self._debug['dow']['end'] = self._io.pos()
-        self._debug['day']['start'] = self._io.pos()
-        self.day = self._io.read_u2le()
-        self._debug['day']['end'] = self._io.pos()
-        self._debug['hour']['start'] = self._io.pos()
-        self.hour = self._io.read_u2le()
-        self._debug['hour']['end'] = self._io.pos()
-        self._debug['min']['start'] = self._io.pos()
-        self.min = self._io.read_u2le()
-        self._debug['min']['end'] = self._io.pos()
-        self._debug['sec']['start'] = self._io.pos()
-        self.sec = self._io.read_u2le()
-        self._debug['sec']['end'] = self._io.pos()
-        self._debug['msec']['start'] = self._io.pos()
-        self.msec = self._io.read_u2le()
-        self._debug['msec']['end'] = self._io.pos()
-
-
diff --git a/python/examples/kaitai/kshelpers.py b/python/examples/kaitai/kshelpers.py
index 859a206c..55ebd01e 100755..100644
--- a/python/examples/kaitai/kshelpers.py
+++ b/python/examples/kaitai/kshelpers.py
@@ -1,112 +1,109 @@
 #!/usr/bin/env python
 
-from __future__ import absolute_import
-
 import io
+import os
 import sys
+import struct
 import types
+import importlib
 
 import binaryninja
 
 from PySide2.QtCore import Qt
 from PySide2.QtWidgets import QTreeWidgetItem
 
-from .kaitaistruct import KaitaiStruct
-
-#sys.path.append('kaitai_struct_formats/archive')
-#sys.path.append('kaitai_struct_formats/cad')
-#sys.path.append('kaitai_struct_formats/common')
-#sys.path.append('kaitai_struct_formats/database')
-#sys.path.append('./kaitai_struct_formats/executable')
-#sys.path.append('kaitai_struct_formats/filesystem')
-#sys.path.append('kaitai_struct_formats/firmware')
-#sys.path.append('kaitai_struct_formats/font')
-#sys.path.append('kaitai_struct_formats/game')
-#sys.path.append('kaitai_struct_formats/geospatial')
-#sys.path.append('kaitai_struct_formats/hardware')
-#sys.path.append('kaitai_struct_formats/image')
-#sys.path.append('kaitai_struct_formats/log')
-#sys.path.append('kaitai_struct_formats/machine_code')
-#sys.path.append('kaitai_struct_formats/media')
-#sys.path.append('kaitai_struct_formats/network')
-#sys.path.append('kaitai_struct_formats/scientific')
-#sys.path.append('kaitai_struct_formats/security')
-#sys.path.append('kaitai_struct_formats/serialization')
-#sys.path.append('kaitai_struct_formats/windows')
+if sys.version_info[0] == 2:
+	import kaitaistruct
+else:
+	from . import kaitaistruct
 
 #------------------------------------------------------------------------------
 # id and parse
 #------------------------------------------------------------------------------
 
-def id_data(data):
-	if len(data) < 16:
-		return None
+# return the name of the kaitai module to service this data
+#
+# dsample:	str		data sample
+# length:	int		total length of data
+def idData(dataSample, length):
+	result = None
 
-	if data[0:4] == "\x7fELF":
-		return 'elf'
-	if data[0:4] in ['\xfe\xed\xfa\xce', '\xce\xfa\xed\xfe', '\xfe\xed\xfa\xcf', '\xcf\xfa\xed\xfe']:
-		return 'macho'
-	if data[0:2] == 'MZ':
-		return 'pe'
-	if data[0:8] == '\x89\x50\x4e\x47\x0d\x0a\x1a\x0a':
-		return 'png'
-	if data[2:11] == '0xFF\xe0\x00\x10JFIF\x00':
-		return 'jpeg'
-	if data[0:6] == 'GIF89a':
-		return 'gif'
+	if len(dataSample) < 16:
+		return result
+
+	if dataSample[0:4] == b'\x7fELF':
+		result = 'elf'
+	if dataSample[0:4] in [b'\xfe\xed\xfa\xce', b'\xce\xfa\xed\xfe', b'\xfe\xed\xfa\xcf', b'\xcf\xfa\xed\xfe']:
+		result = 'mach_o'
+	if dataSample[0:2] == b'MZ':
+		result = 'microsoft_pe'
+	if dataSample[0:8] == b'\x89PNG\x0d\x0a\x1a\x0a':
+		result = 'png'
+	if dataSample[2:11] == b'\xFF\xe0\x00\x10JFIF\x00':
+		result = 'jpeg'
+	if dataSample[0:4] == b'GIF8':
+		result = 'gif'
+	if dataSample[0:2] in [b'BM', b'BA', b'CI', b'CP', b'IC', b'PT'] and struct.unpack('<I', dataSample[2:6])[0]==length:
+		result = 'bmp'
 
-	return None
+	#print('ioData() returning \'%s\'' % result)
+	return result
 
-def id_file(fpath):
-	data = None
+def idFile(fpath):
 	with open(fpath, 'rb') as fp:
-		data = fp.read(16)
-	return id_data(data)
+		return idData(fp.read(16), os.path.getsize(fpath))
+
+def ksModuleToClass(moduleName):
+	# split on underscores, camelcase
+	return ''.join(map(lambda x: x.capitalize(), moduleName.split('_')))
 
-def getKaitaiModuleFromFileType(ftype):
-	if ftype == 'elf':
-		from .kaitai_struct_formats.executable.elf import Elf
-		return Elf
-	elif ftype == 'macho':
-		from .kaitai_struct_formats.executable.mach_o import MachO
-		return MachO
-	elif ftype == 'pe':
-		from .kaitai_struct_formats.executable.microsoft_pe import MicrosoftPe
-		return MicrosoftPe
-	elif ftype == 'png':
-		from .kaitai_struct_formats.image.png import Png
-		return Png
-	elif ftype == 'jpeg':
-		from .kaitai_struct_formats.image.jpeg import Jpeg
-		return Jpeg
-	elif ftype == 'gif':
-		from .kaitai_struct_formats.image.gif import Gif
-		return Gif
+def ksImportClass(moduleName):
+	global __name__, __package__
+	if not moduleName:
+		return None
+	
+	classThing = None
+	try:
+		#print('__package__: -%s-' % __package__)	# 'kaitai'
+		#print('__name__: -%s-' % __name__)			# 'kaitai.kshelpers'
+
+		#print('moduleName: -%s-' % moduleName)
+		module = importlib.import_module('.'+moduleName, __package__)
+		className = ksModuleToClass(moduleName)
+		#print('className: -%s-' % className)
+		classThing = getattr(module, className)
+	except Exception as e:
+		print(e)
+		pass
+
+	return classThing
 
-	return None
+def parseFpath(fpath):
+	ksClass = ksImportClass(idFile(fpath))
+	if not ksClass: return None
 
-def parse_fpath(fpath):
-	kaitaiModule = getKaitaiModuleFromFileType(id_file(fpath))
-	if not kaitaiModule: return None
-	parsed = kaitaiModule.from_file(fpath)
+	parsed = ksClass.from_file(fpath)
 	parsed._read()
 	return parsed
 
-def parse_data(data):
-	kaitaiModule = getKaitaiModuleFromFileType(id_data(data))
-	if not kaitaiModule: return None
-	parsed = kaitaiModule.from_bytes(data)
+def parseData(data):
+	ksClass = ksImportClass(idData(data), len(data))
+	if not ksClass: return None
+
+	parsed = ksClass.from_bytes(data)
 	parsed._read()
 	return parsed
 
-def parse_io(ioObj):
+def parseIo(ioObj):
+	ioObj.seek(0, io.SEEK_END)
+	length = ioObj.tell()
+
 	ioObj.seek(0, io.SEEK_SET)
-	kaitaiModule = getKaitaiModuleFromFileType(id_data(ioObj.read(16)))
+	ksClass = ksImportClass(idData(ioObj.read(16), length))
+	if not ksClass: return None
+
 	ioObj.seek(0, io.SEEK_SET)
-	if not kaitaiModule:
-		print 'ERROR: finding suitable kaitai module'
-		return None
-	parsed = kaitaiModule.from_io(ioObj)
+	parsed = ksClass.from_io(ioObj)
 	parsed._read()
 	return parsed
 
@@ -125,7 +122,7 @@ class KaitaiBinaryViewIO:
 		self.position = 0
 
 	def seek(self, offs, whence=io.SEEK_SET):
-		#print 'seek(0x%X, %d)' % (offs, whence)
+		#print('seek(0x%X, %d)' % (offs, whence))
 		if whence == io.SEEK_SET:
 			self.position = offs
 		elif whence == io.SEEK_CUR:
@@ -136,11 +133,15 @@ class KaitaiBinaryViewIO:
 			raise Exception('unknown whence in seek(): %d' % whence)
 
 	def tell(self):
-		#print 'tell() returning 0x%X' % (self.position)
+		#print('tell() returning 0x%X' % (self.position))
 		return self.position
 
-	def read(self, length):
-		#print 'read(%d) (starting at position: 0x%X)' % (length, self.position)
+	def read(self, length=None):
+		# if no length is given (eg: see read_bytes_full() in kaitaistruct.py)
+		if length == None:
+			length = len(self.binaryView) - self.position
+
+		#print('read(%d) (starting at position: 0x%X)' % (length, self.position))
 		data = self.binaryView.read(self.position, length)
 		self.position += length
 		return data
@@ -149,196 +150,6 @@ class KaitaiBinaryViewIO:
 		pass
 
 #------------------------------------------------------------------------------
-# text dump/debug testing stuff
-#------------------------------------------------------------------------------
-
-def dump(obj, depth=0):
-	dump_exceptions = ['_root', '_parent', '_io']
-
-	indent = '    '*depth
-
-	if isinstance(obj, KaitaiStruct):
-		for fieldName in dir(obj):
-			if hasattr(obj, fieldName):
-				getattr(obj, fieldName)
-
-		for fieldName in dir(obj):
-			#print 'considering field: %s (hasattr returns: %d)' % (fieldName, hasattr(obj, fieldName))
-			if (fieldName != '_debug' and fieldName.startswith('_')) or fieldName in dump_exceptions or not hasattr(obj, fieldName):
-				continue
-
-			#print 'A: %s' % fieldName
-
-			subObj = getattr(obj, fieldName)
-
-			if type(subObj) == types.MethodType:
-				pass
-			elif type(subObj) == types.TypeType:
-				pass
-			elif type(subObj) == types.ListType:
-				if len(subObj)>0 and isinstance(subObj[0], KaitaiStruct):
-					for i in range(len(subObj)):
-						print '%s.%s[%d]:' % (indent, fieldName, i)
-						dump(subObj[i], depth+1)
-				else:
-					print '%s.%s: %s' % (indent, fieldName, str(subObj))
-			elif type(subObj) == types.DictionaryType:
-				print '%s.%s: %s' % (indent, fieldName, subObj)
-
-			elif type(subObj) == types.StringType:
-				print '%s.%s: %s' % (indent, fieldName, repr(subObj))
-
-			elif type(subObj) == int:
-				print '%s.%s: 0x%X (%d)' % (indent, fieldName, subObj, subObj)
-
-			elif str(type(subObj)).startswith('<enum '):
-				print '%s.%s: %s' % (indent, fieldName, repr(subObj))
-
-			elif isinstance(subObj, KaitaiStruct):
-				print '%s.%s:' % (indent, fieldName)
-				dump(subObj, depth+1)
-
-			elif fieldName == '_debug':
-				print '%s._debug: %s' % (indent, repr(subObj))
-			else:
-				print '%s.%s: %s' % (indent, fieldName, type(subObj))
-	else:
-		print indent + repr(obj)
-		#else:
-		#	print '%s%s: %s' % (indent, fieldName, repr(subObj))
-
-def import_all_formats():
-	from .kaitai_struct_formats.archive.cpio_old_le import CpioOldLe
-	from .kaitai_struct_formats.archive.gzip import Gzip
-	from .kaitai_struct_formats.archive.lzh import Lzh
-	from .kaitai_struct_formats.archive.rar import Rar
-	from .kaitai_struct_formats.archive.zip import Zip
-	from .kaitai_struct_formats.cad.monomakh_sapr_chg import MonomakhSaprChg
-	from .kaitai_struct_formats.common.bcd import Bcd
-	from .kaitai_struct_formats.common.vlq_base128_be import VlqBase128Be
-	from .kaitai_struct_formats.common.vlq_base128_le import VlqBase128Le
-	from .kaitai_struct_formats.database.dbf import Dbf
-	from .kaitai_struct_formats.database.gettext_mo import GettextMo
-	from .kaitai_struct_formats.database.sqlite3 import Sqlite3
-	from .kaitai_struct_formats.database.tsm import Tsm
-	from .kaitai_struct_formats.executable.dex import Dex
-	from .kaitai_struct_formats.executable.dos_mz import DosMz
-	from .kaitai_struct_formats.executable.elf import Elf
-	from .kaitai_struct_formats.executable.java_class import JavaClass
-	from .kaitai_struct_formats.executable.mach_o import MachO
-	from .kaitai_struct_formats.executable.microsoft_pe import MicrosoftPe
-	from .kaitai_struct_formats.executable.python_pyc_27 import PythonPyc27
-	from .kaitai_struct_formats.executable.swf import Swf
-	from .kaitai_struct_formats.filesystem.apm_partition_table import ApmPartitionTable
-	from .kaitai_struct_formats.filesystem.apple_single_double import AppleSingleDouble
-	from .kaitai_struct_formats.filesystem.cramfs import Cramfs
-	from .kaitai_struct_formats.filesystem.ext2 import Ext2
-	from .kaitai_struct_formats.filesystem.gpt_partition_table import GptPartitionTable
-	from .kaitai_struct_formats.filesystem.iso9660 import Iso9660
-	from .kaitai_struct_formats.filesystem.luks import Luks
-	from .kaitai_struct_formats.filesystem.lvm2 import Lvm2
-	from .kaitai_struct_formats.filesystem.mbr_partition_table import MbrPartitionTable
-	from .kaitai_struct_formats.filesystem.tr_dos_image import TrDosImage
-	from .kaitai_struct_formats.filesystem.vdi import Vdi
-	from .kaitai_struct_formats.filesystem.vfat import Vfat
-	from .kaitai_struct_formats.filesystem.vmware_vmdk import VmwareVmdk
-	from .kaitai_struct_formats.firmware.andes_firmware import AndesFirmware
-	from .kaitai_struct_formats.firmware.ines import Ines
-	from .kaitai_struct_formats.firmware.uimage import Uimage
-	from .kaitai_struct_formats.font.ttf import Ttf
-	from .kaitai_struct_formats.game.allegro_dat import AllegroDat
-	from .kaitai_struct_formats.game.doom_wad import DoomWad
-	from .kaitai_struct_formats.game.dune_2_pak import Dune2Pak
-	from .kaitai_struct_formats.game.fallout2_dat import Fallout2Dat
-	from .kaitai_struct_formats.game.fallout_dat import FalloutDat
-	from .kaitai_struct_formats.game.ftl_dat import FtlDat
-	from .kaitai_struct_formats.game.gran_turismo_vol import GranTurismoVol
-	from .kaitai_struct_formats.game.heaps_pak import HeapsPak
-	from .kaitai_struct_formats.game.heroes_of_might_and_magic_agg import HeroesOfMightAndMagicAgg
-	from .kaitai_struct_formats.game.heroes_of_might_and_magic_bmp import HeroesOfMightAndMagicBmp
-	from .kaitai_struct_formats.game.quake_mdl import QuakeMdl
-	from .kaitai_struct_formats.game.quake_pak import QuakePak
-	from .kaitai_struct_formats.game.renderware_binary_stream import RenderwareBinaryStream
-	from .kaitai_struct_formats.game.saints_row_2_vpp_pc import SaintsRow2VppPc
-	from .kaitai_struct_formats.game.warcraft_2_pud import Warcraft2Pud
-	from .kaitai_struct_formats.geospatial.shapefile_index import ShapefileIndex
-	from .kaitai_struct_formats.geospatial.shapefile_main import ShapefileMain
-	from .kaitai_struct_formats.hardware.edid import Edid
-	from .kaitai_struct_formats.hardware.mifare.mifare_classic import MifareClassic
-	from .kaitai_struct_formats.image.bmp import Bmp
-	from .kaitai_struct_formats.image.dicom import Dicom
-	from .kaitai_struct_formats.image.exif import Exif
-	from .kaitai_struct_formats.image.exif_be import ExifBe
-	from .kaitai_struct_formats.image.exif_le import ExifLe
-	from .kaitai_struct_formats.image.gif import Gif
-	from .kaitai_struct_formats.image.icc_4 import Icc4
-	from .kaitai_struct_formats.image.ico import Ico
-	from .kaitai_struct_formats.image.jpeg import Jpeg
-	from .kaitai_struct_formats.image.pcx import Pcx
-	from .kaitai_struct_formats.image.pcx_dcx import PcxDcx
-	from .kaitai_struct_formats.image.png import Png
-	from .kaitai_struct_formats.image.psx_tim import PsxTim
-	from .kaitai_struct_formats.image.tga import Tga
-	from .kaitai_struct_formats.image.wmf import Wmf
-	from .kaitai_struct_formats.image.xwd import Xwd
-	from .kaitai_struct_formats.log.aix_utmp import AixUtmp
-	from .kaitai_struct_formats.log.glibc_utmp import GlibcUtmp
-	from .kaitai_struct_formats.log.systemd_journal import SystemdJournal
-	from .kaitai_struct_formats.log.windows_evt_log import WindowsEvtLog
-	from .kaitai_struct_formats.machine_code.code_6502 import Code6502
-	from .kaitai_struct_formats.media.avi import Avi
-	from .kaitai_struct_formats.media.blender_blend import BlenderBlend
-	from .kaitai_struct_formats.media.creative_voice_file import CreativeVoiceFile
-	from .kaitai_struct_formats.media.genmidi_op2 import GenmidiOp2
-	from .kaitai_struct_formats.media.id3v1_1 import Id3v11
-	from .kaitai_struct_formats.media.id3v2_3 import Id3v23
-	from .kaitai_struct_formats.media.id3v2_4 import Id3v24
-	from .kaitai_struct_formats.media.magicavoxel_vox import MagicavoxelVox
-	from .kaitai_struct_formats.media.ogg import Ogg
-	from .kaitai_struct_formats.media.quicktime_mov import QuicktimeMov
-	from .kaitai_struct_formats.media.standard_midi_file import StandardMidiFile
-	from .kaitai_struct_formats.media.stl import Stl
-	from .kaitai_struct_formats.media.tracker_modules.fasttracker_xm_module import FasttrackerXmModule
-	from .kaitai_struct_formats.media.tracker_modules.s3m import S3m
-	from .kaitai_struct_formats.media.vp8_ivf import Vp8Ivf
-	from .kaitai_struct_formats.media.wav import Wav
-	from .kaitai_struct_formats.network.bitcoin_transaction import BitcoinTransaction
-	from .kaitai_struct_formats.network.dns_packet import DnsPacket
-	from .kaitai_struct_formats.network.ethernet_frame import EthernetFrame
-	from .kaitai_struct_formats.network.hccap import Hccap
-	from .kaitai_struct_formats.network.hccapx import Hccapx
-	from .kaitai_struct_formats.network.icmp_packet import IcmpPacket
-	from .kaitai_struct_formats.network.ipv4_packet import Ipv4Packet
-	from .kaitai_struct_formats.network.ipv6_packet import Ipv6Packet
-	from .kaitai_struct_formats.network.microsoft_network_monitor_v2 import MicrosoftNetworkMonitorV2
-	from .kaitai_struct_formats.network.packet_ppi import PacketPpi
-	from .kaitai_struct_formats.network.pcap import Pcap
-	from .kaitai_struct_formats.network.protocol_body import ProtocolBody
-	from .kaitai_struct_formats.network.rtcp_payload import RtcpPayload
-	from .kaitai_struct_formats.network.rtp_packet import RtpPacket
-	from .kaitai_struct_formats.network.tcp_segment import TcpSegment
-	from .kaitai_struct_formats.network.tls_client_hello import TlsClientHello
-	from .kaitai_struct_formats.network.udp_datagram import UdpDatagram
-	from .kaitai_struct_formats.scientific.nt_mdt.nt_mdt import NtMdt
-	from .kaitai_struct_formats.scientific.nt_mdt.nt_mdt_pal import NtMdtPal
-	from .kaitai_struct_formats.scientific.spectroscopy.avantes_roh60 import AvantesRoh60
-	from .kaitai_struct_formats.scientific.spectroscopy.specpr import Specpr
-	from .kaitai_struct_formats.security.openpgp_message import OpenpgpMessage
-	from .kaitai_struct_formats.security.ssh_public_key import SshPublicKey
-	from .kaitai_struct_formats.serialization.asn1.asn1_der import Asn1Der
-	from .kaitai_struct_formats.serialization.bson import Bson
-	from .kaitai_struct_formats.serialization.google_protobuf import GoogleProtobuf
-	from .kaitai_struct_formats.serialization.microsoft_cfb import MicrosoftCfb
-	from .kaitai_struct_formats.serialization.msgpack import Msgpack
-	from .kaitai_struct_formats.serialization.ruby_marshal import RubyMarshal
-	from .kaitai_struct_formats.windows.regf import Regf
-	from .kaitai_struct_formats.windows.windows_lnk_file import WindowsLnkFile
-	from .kaitai_struct_formats.windows.windows_minidump import WindowsMinidump
-	from .kaitai_struct_formats.windows.windows_resource_file import WindowsResourceFile
-	from .kaitai_struct_formats.windows.windows_shell_items import WindowsShellItems
-	from .kaitai_struct_formats.windows.windows_systemtime import WindowsSystemtime
-
-#------------------------------------------------------------------------------
 # Qt/Kaitai OOP
 #------------------------------------------------------------------------------
 
@@ -381,14 +192,17 @@ class KaitaiTreeWidgetItem(QTreeWidgetItem):
 
 	def setValue(self, value):
 		self.value = value
-		if type(value) == types.IntType:
+		if isinstance(value, int):
 			value = '%X'%value
 		self.setData(1, Qt.DisplayRole, value)
 
 	def setStart(self, start):
 		if start == None:
 			self.start = None
-		elif type(start) in [types.IntType, types.LongType]:
+		elif isinstance(start, int):
+			self.start = start
+			start = '%X'%start
+		elif (sys.version_info[0] == 2) and type(start) == types.LongType:
 			self.start = start
 			start = '%X'%start
 		else:
@@ -399,7 +213,11 @@ class KaitaiTreeWidgetItem(QTreeWidgetItem):
 	def setEnd(self, end):
 		if end == None:
 			self.end = None
-		elif type(end) in [types.IntType, types.LongType]:
+
+		if isinstance(end, int):
+			self.end = end
+			end = '%X'%end
+		elif (sys.version_info[0] == 2) and type(end) == types.LongType:
 			self.end = end
 			end = '%X'%end
 		else:
@@ -436,8 +254,8 @@ class KaitaiTreeWidgetItem(QTreeWidgetItem):
 # RETURNS:
 # KaitaiTreeWidgetItem (QTreeWidgetItem)
 #
-def build_qtree(ksobj):
-	if not isinstance(ksobj, KaitaiStruct):
+def buildQtree(ksobj):
+	if not isinstance(ksobj, kaitaistruct.KaitaiStruct):
 		return None
 
 	exceptions = ['_root', '_parent', '_io', 'SEQ_FIELDS', '_debug']
@@ -460,23 +278,25 @@ def build_qtree(ksobj):
 		if ('_m_'+fieldName) in fields:
 			# favor the '_m_' version which seems to get the debug info
 			continue
-
+		
 		subObj = getattr(ksobj, fieldName)
-		subObjType = type(subObj)
 
 		child = None
-		if isinstance(subObj, KaitaiStruct):
+		if isinstance(subObj, kaitaistruct.KaitaiStruct):
 			fieldLabel = fieldName
-			child = build_qtree(subObj)
+			child = buildQtree(subObj)
 			if child:
-				populate_child(ksobj, fieldName, fieldName, None, child)
+				populateChild(ksobj, fieldName, fieldName, None, child)
 			qwi.addChild(child)
 
-		elif subObjType == types.ListType and len(subObj)>0:
+		elif isinstance(subObj, list):
+			if len(subObj)<=0:
+				continue
+
 			# CASE: is list of KaitaiObjects -> recurse!
-			if isinstance(subObj[0], KaitaiStruct):
+			if isinstance(subObj[0], kaitaistruct.KaitaiStruct):
 				child = KaitaiTreeWidgetItem()
-				populate_child(ksobj, fieldName, fieldName, None, child)
+				populateChild(ksobj, fieldName, fieldName, None, child)
 
 				# does _debug have an array version of start/end?
 				startsEnds = None
@@ -486,7 +306,7 @@ def build_qtree(ksobj):
 							startsEnds = ksobj._debug[fieldName]['arr']
 
 				for i in range(len(subObj)):
-					grandchild = build_qtree(subObj[i])
+					grandchild = buildQtree(subObj[i])
 					fieldLabel = '%s[%d]' % (fieldName, i)
 					grandchild.setLabel(fieldLabel)
 
@@ -501,10 +321,10 @@ def build_qtree(ksobj):
 			# CASE: is list of primitive objects -> create leaves
 			else:
 				child = KaitaiTreeWidgetItem()
-				populate_child(ksobj, fieldName, fieldName, None, child)
+				populateChild(ksobj, fieldName, fieldName, None, child)
 
 				# TODO: explain this hack
-				kstmp = KaitaiStruct(ksobj._io)
+				kstmp = kaitaistruct.KaitaiStruct(ksobj._io)
 				kstmp._parent = ksobj
 				child.setKaitaiObject(kstmp)
 
@@ -531,7 +351,7 @@ def build_qtree(ksobj):
 			child = createLeaf(fieldName, subObj)
 			if child:
 				# don't override createLeaf()'s work on label, value
-				populate_child(ksobj, fieldName, None, None, child)
+				populateChild(ksobj, fieldName, None, None, child)
 				qwi.addChild(child)
 
 	return qwi
@@ -539,24 +359,35 @@ def build_qtree(ksobj):
 def createLeaf(fieldName, obj):
 	objtype = type(obj)
 
-	if objtype == types.MethodType:
+	if objtype == types.FunctionType:
+		#print('reject %s because its a function' % fieldName)
+		return None
+	elif isinstance(obj, type):
+		#print('reject %s because its a type' % fieldName)
+		return None
+	elif sys.version_info[0] == 2 and callable(obj):
+		#print('reject %s because its a callable' % fieldName)
 		return None
-	elif objtype == types.TypeType:
+	elif sys.version_info[0] == 3 and hasattr(obj, '__call__'):
+		#print('reject %s because its a callable' % fieldName)
 		return None
 
 	fieldValue = None
 
-	if objtype in [types.StringType, types.UnicodeType]:
-		#if filter(lambda c: c<32 or c>127, obj):
+	if isinstance(obj, str):
 		fieldValue = repr(obj)
-	elif objtype == types.IntType:
+	elif isinstance(obj, bytes):
+		fieldValue = repr(obj)
+	elif sys.version_info[0] == 2 and objtype == types.UnicodeType:
+		fieldValue = repr(obj)
+	elif isinstance(obj, int):
 		fieldValue = '0x%X (%d)' % (obj, obj)
-	elif objtype == types.BooleanType:
+	elif isinstance(obj, bool):
 		fieldValue = '%s' % (obj)
 	elif str(objtype).startswith('<enum '):
 		fieldValue = '%s' % (obj)
 	else:
-		#print 'field %s has type: -%s-' % (fieldName,str(objtype))
+		#print('field %s has type: -%s-' % (fieldName,str(objtype)))
 		pass
 
 	if fieldValue:
@@ -565,6 +396,9 @@ def createLeaf(fieldName, obj):
 		widget.setValue(fieldValue)
 		return widget
 	else:
+		print('rejected leaf node to %s' % fieldName)
+		print(obj)
+		print(type(obj))
 		return None
 
 # ARG				TYPE					NOTES
@@ -572,11 +406,11 @@ def createLeaf(fieldName, obj):
 # fieldName:		string					actual field name inside the kaitai struct
 # fieldLabel:		string					label used in the tree view
 # fieldValue:		string					value used in the tree view
-# widget:			KaitaiTreeWidgetItem	the item to which we want to imprint start/end
-def populate_child(ksobj, fieldName, fieldLabel, fieldValue, widget):
+# widget:			KaitaiTreeWidgetItem	the item to which we want to imprint(start/end)
+def populateChild(ksobj, fieldName, fieldLabel, fieldValue, widget):
 	if fieldLabel:
 		widget.setLabel(fieldLabel)
-		#print 'setting Label: %s' % fieldLabel
+		#print('setting Label: %s' % fieldLabel)
 	if fieldValue:
 		widget.setValue(fieldValue)
 
@@ -596,24 +430,3 @@ def populate_child(ksobj, fieldName, fieldLabel, fieldValue, widget):
 	if end != None:
 		widget.setEnd(end)
 
-#------------------------------------------------------------------------------
-# main()/ - for dev testing
-#------------------------------------------------------------------------------
-
-if __name__ == '__main__':
-	if not sys.argv[2:]:
-		sys.exit(-1)
-
-	cmd = sys.argv[1]
-	fpath = sys.argv[2]
-
-	if cmd == 'dump':
-		parsed = parse_fpath(sys.argv[2])
-		print parsed.header.program_headers
-
-	elif cmd == 'dumpbinja':
-		binaryView = binaryninja.BinaryViewType['Raw'].open(fpath)
-		kaitaiIo = KaitaiBinaryViewIO(binaryView)
-		parsed = parse_io(kaitaiIo)
-		print parsed.header.program_headers
-
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/luks.py b/python/examples/kaitai/luks.py
index c4e33287..90ca7cd7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/luks.py
+++ b/python/examples/kaitai/luks.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/lvm2.py b/python/examples/kaitai/lvm2.py
index 459f92ca..adb0ed7d 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/lvm2.py
+++ b/python/examples/kaitai/lvm2.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/lzh.py b/python/examples/kaitai/lzh.py
index 8f9b75ea..3853a19d 100644
--- a/python/examples/kaitai/kaitai_struct_formats/archive/lzh.py
+++ b/python/examples/kaitai/lzh.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/mach_o.py b/python/examples/kaitai/mach_o.py
index 9595184d..5ce46a75 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/mach_o.py
+++ b/python/examples/kaitai/mach_o.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/magicavoxel_vox.py b/python/examples/kaitai/magicavoxel_vox.py
index 24841007..0fc3faaa 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/magicavoxel_vox.py
+++ b/python/examples/kaitai/magicavoxel_vox.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/mbr_partition_table.py b/python/examples/kaitai/mbr_partition_table.py
index 558dd14c..710fa3d7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/mbr_partition_table.py
+++ b/python/examples/kaitai/mbr_partition_table.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/microsoft_cfb.py b/python/examples/kaitai/microsoft_cfb.py
index d8ecb714..578835b7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/microsoft_cfb.py
+++ b/python/examples/kaitai/microsoft_cfb.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/microsoft_network_monitor_v2.py b/python/examples/kaitai/microsoft_network_monitor_v2.py
index 7fec8613..3d0a14f6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/microsoft_network_monitor_v2.py
+++ b/python/examples/kaitai/microsoft_network_monitor_v2.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/microsoft_pe.py b/python/examples/kaitai/microsoft_pe.py
index 054f8b96..325b823a 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/microsoft_pe.py
+++ b/python/examples/kaitai/microsoft_pe.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/hardware/mifare/mifare_classic.py b/python/examples/kaitai/mifare_classic.py
index 041cbbb8..72414493 100644
--- a/python/examples/kaitai/kaitai_struct_formats/hardware/mifare/mifare_classic.py
+++ b/python/examples/kaitai/mifare_classic.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/cad/monomakh_sapr_chg.py b/python/examples/kaitai/monomakh_sapr_chg.py
index 8934cfd1..0e7e6400 100644
--- a/python/examples/kaitai/kaitai_struct_formats/cad/monomakh_sapr_chg.py
+++ b/python/examples/kaitai/monomakh_sapr_chg.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/msgpack.py b/python/examples/kaitai/msgpack.py
index 4b8b2036..cc14238d 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/msgpack.py
+++ b/python/examples/kaitai/msgpack.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/nt_mdt.py b/python/examples/kaitai/nt_mdt.py
index 1e270032..8a0a1184 100644
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/nt_mdt.py
+++ b/python/examples/kaitai/nt_mdt.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/nt_mdt_pal.py b/python/examples/kaitai/nt_mdt_pal.py
index bade549c..ca3f8958 100644
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/nt_mdt/nt_mdt_pal.py
+++ b/python/examples/kaitai/nt_mdt_pal.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/ogg.py b/python/examples/kaitai/ogg.py
index 415d6bdf..7396c1b3 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/ogg.py
+++ b/python/examples/kaitai/ogg.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/security/openpgp_message.py b/python/examples/kaitai/openpgp_message.py
index 712953a3..f68af285 100644
--- a/python/examples/kaitai/kaitai_struct_formats/security/openpgp_message.py
+++ b/python/examples/kaitai/openpgp_message.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
@@ -358,7 +357,7 @@ class OpenpgpMessage(KaitaiStruct):
 
 
     class RevocationKey(KaitaiStruct):
-        SEQ_FIELDS = ["class", "public_key_algorithm", "fingerprint"]
+        SEQ_FIELDS = ["class_", "public_key_algorithm", "fingerprint"]
         def __init__(self, _io, _parent=None, _root=None):
             self._io = _io
             self._parent = _parent
@@ -366,9 +365,9 @@ class OpenpgpMessage(KaitaiStruct):
             self._debug = collections.defaultdict(dict)
 
         def _read(self):
-            self._debug['class']['start'] = self._io.pos()
-            self.class = self._io.read_u1()
-            self._debug['class']['end'] = self._io.pos()
+            self._debug['class_']['start'] = self._io.pos()
+            self.class_ = self._io.read_u1()
+            self._debug['class_']['end'] = self._io.pos()
             self._debug['public_key_algorithm']['start'] = self._io.pos()
             self.public_key_algorithm = KaitaiStream.resolve_enum(self._root.PublicKeyAlgorithms, self._io.read_u1())
             self._debug['public_key_algorithm']['end'] = self._io.pos()
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/packet_ppi.py b/python/examples/kaitai/packet_ppi.py
index b213460a..aa16a322 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/packet_ppi.py
+++ b/python/examples/kaitai/packet_ppi.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/pcap.py b/python/examples/kaitai/pcap.py
index 609a278d..bf814663 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/pcap.py
+++ b/python/examples/kaitai/pcap.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/pcx.py b/python/examples/kaitai/pcx.py
index a343ff3a..2b6123d5 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/pcx.py
+++ b/python/examples/kaitai/pcx.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/pcx_dcx.py b/python/examples/kaitai/pcx_dcx.py
index a559ec30..7c6376bc 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/pcx_dcx.py
+++ b/python/examples/kaitai/pcx_dcx.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/png.py b/python/examples/kaitai/png.py
index 751e1596..4a494756 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/png.py
+++ b/python/examples/kaitai/png.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 import zlib
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/protocol_body.py b/python/examples/kaitai/protocol_body.py
index 12d17565..951c1a82 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/protocol_body.py
+++ b/python/examples/kaitai/protocol_body.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/psx_tim.py b/python/examples/kaitai/psx_tim.py
index 3c70a905..3a3fa0b4 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/psx_tim.py
+++ b/python/examples/kaitai/psx_tim.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/python_pyc_27.py b/python/examples/kaitai/python_pyc_27.py
index 2ac4154d..d4c4db01 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/python_pyc_27.py
+++ b/python/examples/kaitai/python_pyc_27.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/quake_mdl.py b/python/examples/kaitai/quake_mdl.py
index 7077e8f8..2a6ec048 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/quake_mdl.py
+++ b/python/examples/kaitai/quake_mdl.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/quake_pak.py b/python/examples/kaitai/quake_pak.py
index 3b4c0358..7eea7b3c 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/quake_pak.py
+++ b/python/examples/kaitai/quake_pak.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/quicktime_mov.py b/python/examples/kaitai/quicktime_mov.py
index eb2f5c9b..77733656 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/quicktime_mov.py
+++ b/python/examples/kaitai/quicktime_mov.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/rar.py b/python/examples/kaitai/rar.py
index e9f4787e..88548a4b 100644
--- a/python/examples/kaitai/kaitai_struct_formats/archive/rar.py
+++ b/python/examples/kaitai/rar.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/regf.py b/python/examples/kaitai/regf.py
index 13145ad1..de883bc3 100644
--- a/python/examples/kaitai/kaitai_struct_formats/windows/regf.py
+++ b/python/examples/kaitai/regf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/renderware_binary_stream.py b/python/examples/kaitai/renderware_binary_stream.py
index 5e27c895..00b36934 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/renderware_binary_stream.py
+++ b/python/examples/kaitai/renderware_binary_stream.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/rtcp_payload.py b/python/examples/kaitai/rtcp_payload.py
index 7450b3e7..c10066d1 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/rtcp_payload.py
+++ b/python/examples/kaitai/rtcp_payload.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/rtp_packet.py b/python/examples/kaitai/rtp_packet.py
index 64e50cba..cedcd0f9 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/rtp_packet.py
+++ b/python/examples/kaitai/rtp_packet.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/ruby_marshal.py b/python/examples/kaitai/ruby_marshal.py
index 08b35625..92deee38 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/ruby_marshal.py
+++ b/python/examples/kaitai/ruby_marshal.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/s3m.py b/python/examples/kaitai/s3m.py
index 472291fc..bc2dcb19 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/tracker_modules/s3m.py
+++ b/python/examples/kaitai/s3m.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/saints_row_2_vpp_pc.py b/python/examples/kaitai/saints_row_2_vpp_pc.py
index 91be64ea..2c3dd1f8 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/saints_row_2_vpp_pc.py
+++ b/python/examples/kaitai/saints_row_2_vpp_pc.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/geospatial/shapefile_index.py b/python/examples/kaitai/shapefile_index.py
index b89c920b..4fbc7142 100644
--- a/python/examples/kaitai/kaitai_struct_formats/geospatial/shapefile_index.py
+++ b/python/examples/kaitai/shapefile_index.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/geospatial/shapefile_main.py b/python/examples/kaitai/shapefile_main.py
index db37191c..7a64087e 100644
--- a/python/examples/kaitai/kaitai_struct_formats/geospatial/shapefile_main.py
+++ b/python/examples/kaitai/shapefile_main.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/specpr.py b/python/examples/kaitai/specpr.py
index 87205ada..4f23d4ca 100644
--- a/python/examples/kaitai/kaitai_struct_formats/scientific/spectroscopy/specpr.py
+++ b/python/examples/kaitai/specpr.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/sqlite3.py b/python/examples/kaitai/sqlite3.py
index 94781796..bb878099 100644
--- a/python/examples/kaitai/kaitai_struct_formats/database/sqlite3.py
+++ b/python/examples/kaitai/sqlite3.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/security/ssh_public_key.py b/python/examples/kaitai/ssh_public_key.py
index cb912c06..bf1375d6 100644
--- a/python/examples/kaitai/kaitai_struct_formats/security/ssh_public_key.py
+++ b/python/examples/kaitai/ssh_public_key.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/standard_midi_file.py b/python/examples/kaitai/standard_midi_file.py
index 6cd7c246..bd6305a7 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/standard_midi_file.py
+++ b/python/examples/kaitai/standard_midi_file.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/stl.py b/python/examples/kaitai/stl.py
index 381f3319..18971107 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/stl.py
+++ b/python/examples/kaitai/stl.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/executable/swf.py b/python/examples/kaitai/swf.py
index cb7022c2..dc39fd00 100644
--- a/python/examples/kaitai/kaitai_struct_formats/executable/swf.py
+++ b/python/examples/kaitai/swf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 import zlib
diff --git a/python/examples/kaitai/kaitai_struct_formats/log/systemd_journal.py b/python/examples/kaitai/systemd_journal.py
index 61d6fa93..214757d9 100644
--- a/python/examples/kaitai/kaitai_struct_formats/log/systemd_journal.py
+++ b/python/examples/kaitai/systemd_journal.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/tcp_segment.py b/python/examples/kaitai/tcp_segment.py
index 222f6794..e329d84c 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/tcp_segment.py
+++ b/python/examples/kaitai/tcp_segment.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/tga.py b/python/examples/kaitai/tga.py
index 7939bbc2..5ba11862 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/tga.py
+++ b/python/examples/kaitai/tga.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/tls_client_hello.py b/python/examples/kaitai/tls_client_hello.py
index 118eec3d..b5c6cba8 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/tls_client_hello.py
+++ b/python/examples/kaitai/tls_client_hello.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/tr_dos_image.py b/python/examples/kaitai/tr_dos_image.py
index ce0bdc3b..70298f7a 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/tr_dos_image.py
+++ b/python/examples/kaitai/tr_dos_image.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/database/tsm.py b/python/examples/kaitai/tsm.py
index 48000456..45c99191 100644
--- a/python/examples/kaitai/kaitai_struct_formats/database/tsm.py
+++ b/python/examples/kaitai/tsm.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/font/ttf.py b/python/examples/kaitai/ttf.py
index bec99a49..1d493208 100644
--- a/python/examples/kaitai/kaitai_struct_formats/font/ttf.py
+++ b/python/examples/kaitai/ttf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/udp_datagram.py b/python/examples/kaitai/udp_datagram.py
index d3cac12f..fcaadffa 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/udp_datagram.py
+++ b/python/examples/kaitai/udp_datagram.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/firmware/uimage.py b/python/examples/kaitai/uimage.py
index fb5b31f3..8d588ae9 100644
--- a/python/examples/kaitai/kaitai_struct_formats/firmware/uimage.py
+++ b/python/examples/kaitai/uimage.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/vdi.py b/python/examples/kaitai/vdi.py
index 8dd8a775..211c2708 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/vdi.py
+++ b/python/examples/kaitai/vdi.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/vfat.py b/python/examples/kaitai/vfat.py
index 38ec9d3a..ff6b2cbb 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/vfat.py
+++ b/python/examples/kaitai/vfat.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/view.py b/python/examples/kaitai/view.py
index f861b275..341d4dc1 100644
--- a/python/examples/kaitai/view.py
+++ b/python/examples/kaitai/view.py
@@ -1,4 +1,11 @@
+# python stuff
+import io
+import os
+import sys
+import types
 import traceback
+
+# binja stuff
 import binaryninjaui
 from binaryninja.settings import Settings
 from binaryninja import log
@@ -8,11 +15,10 @@ from binaryninja import binaryview
 from PySide2.QtWidgets import QScrollArea, QWidget, QVBoxLayout, QGroupBox, QTreeWidget, QTreeWidgetItem, QLineEdit
 from PySide2.QtCore import Qt
 
-import types
-
-import kshelpers
-from kaitaistruct import KaitaiStruct
-import io
+if sys.version_info[0] == 2:
+	import kshelpers
+else:
+	from . import kshelpers
 
 class KaitaiView(QScrollArea, View):
 	def __init__(self, parent, binaryView):
@@ -66,12 +72,12 @@ class KaitaiView(QScrollArea, View):
 
 		kaitaiIO = kshelpers.KaitaiBinaryViewIO(self.binaryView)
 		if not kaitaiIO:
-			print 'ERROR: initializing kaitai binary view'
-		parsed = kshelpers.parse_io(kaitaiIO)
+			print('ERROR: initializing kaitai binary view')
+		parsed = kshelpers.parseIo(kaitaiIO)
 		if not parsed:
-			print 'ERROR: parsing the binary view'
+			print('ERROR: parsing the binary view')
 
-		tree = kshelpers.build_qtree(parsed)
+		tree = kshelpers.buildQtree(parsed)
 		if not tree:
 			return
 
@@ -118,7 +124,7 @@ class KaitaiView(QScrollArea, View):
 		return middle
 
 	def setCurrentOffset(self, offset):
-		print 'setCurrentOffset(0x%X)' % offset
+		print('setCurrentOffset(0x%X)' % offset)
 		self.rootSelectionStart = offset
 		UIContext.updateStatus(True)
 
@@ -192,7 +198,7 @@ class KaitaiView(QScrollArea, View):
 			self.ioCurrent = _io
 
 		# now position selection in whatever HexEditor is current
-		#print 'selecting to [0x%X, 0x%X)' % (start, end)
+		#print('selecting to [0x%X, 0x%X)' % (start, end))
 		self.hexWidget.setSelectionRange(start, end)
 
 		# set hex group title to reflect current selection
@@ -209,25 +215,33 @@ class KaitaiViewType(ViewType):
 
 		priority = 0
 		isExec = binaryView.executable
-		weRecognize = kshelpers.id_data(binaryView.read(0,16)) != None
+		weRecognize = kshelpers.idData(binaryView.read(0,16), len(binaryView)) != None
 			
 		# NOTE: ui/shared/hexeditor.cpp has the hex editor at priority 20 when
 		# executable, and 10 otherwise
 
-		if isExec and weRecognize:
-			#print 'priority=25 to slightly beat out the hex editor case=(executable, recognize)'
-			priority = 25
-		if isExec and not weRecognize:
-			#print 'priority=15 to lose to the hex editor case=(executable, !recognize)'
-			priority = 15
-		if not isExec and weRecognize:
-			#print 'priority=100 to beat out everything case=(!executable, recognize)'
-			priority = 100
-		if not isExec and not weRecognize:
-			#print 'priority=5 to lose to hex editor case=(!executable, !recognize)'
-			priority = 5
+		if not weRecognize:
+			priority = 0
+		else:
+			if isExec:
+				priority = 21
+			else:
+				priority = 11
+
+#		if isExec and weRecognize:
+#			print('priority=25 to slightly beat out the hex editor case=(executable, recognize)')
+#			priority = 25
+#		if isExec and not weRecognize:
+#			print('priority=15 to lose to the hex editor case=(executable, !recognize)')
+#			priority = 15
+#		if not isExec and weRecognize:
+#			print('priority=100 to beat out everything case=(!executable, recognize)')
+#			priority = 100
+#		if not isExec and not weRecognize:
+#			print('priority=5 to lose to hex editor case=(!executable, !recognize)')
+#			priority = 5
 			
-		#print 'returning priority=%d for KaitaiViewType' % priority
+		#print('returning priority=%d for KaitaiViewType' % priority)
 		return priority
 
 	def create(self, binaryView, view_frame):
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/vlq_base128_be.py b/python/examples/kaitai/vlq_base128_be.py
index 826cdd95..69dce835 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/vlq_base128_be.py
+++ b/python/examples/kaitai/vlq_base128_be.py
@@ -1,7 +1,7 @@
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/serialization/vlq_base128_le.py b/python/examples/kaitai/vlq_base128_le.py
index 407fdac7..6fa8d43b 100644
--- a/python/examples/kaitai/kaitai_struct_formats/serialization/vlq_base128_le.py
+++ b/python/examples/kaitai/vlq_base128_le.py
@@ -1,7 +1,7 @@
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/filesystem/vmware_vmdk.py b/python/examples/kaitai/vmware_vmdk.py
index 79ad7e9a..224d4c7a 100644
--- a/python/examples/kaitai/kaitai_struct_formats/filesystem/vmware_vmdk.py
+++ b/python/examples/kaitai/vmware_vmdk.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/vp8_ivf.py b/python/examples/kaitai/vp8_ivf.py
index 38ef9ece..05c19326 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/vp8_ivf.py
+++ b/python/examples/kaitai/vp8_ivf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/game/warcraft_2_pud.py b/python/examples/kaitai/warcraft_2_pud.py
index a76f83d9..76908aad 100644
--- a/python/examples/kaitai/kaitai_struct_formats/game/warcraft_2_pud.py
+++ b/python/examples/kaitai/warcraft_2_pud.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/media/wav.py b/python/examples/kaitai/wav.py
index 0a151964..f05f958f 100644
--- a/python/examples/kaitai/kaitai_struct_formats/media/wav.py
+++ b/python/examples/kaitai/wav.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/log/windows_evt_log.py b/python/examples/kaitai/windows_evt_log.py
index 5e12d111..99c8e26b 100644
--- a/python/examples/kaitai/kaitai_struct_formats/log/windows_evt_log.py
+++ b/python/examples/kaitai/windows_evt_log.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/windows_lnk_file.py b/python/examples/kaitai/windows_lnk_file.py
index 76bd391b..6de2cb52 100644
--- a/python/examples/kaitai/kaitai_struct_formats/windows/windows_lnk_file.py
+++ b/python/examples/kaitai/windows_lnk_file.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/windows_minidump.py b/python/examples/kaitai/windows_minidump.py
index b2846588..8a9a0502 100644
--- a/python/examples/kaitai/kaitai_struct_formats/windows/windows_minidump.py
+++ b/python/examples/kaitai/windows_minidump.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/windows_resource_file.py b/python/examples/kaitai/windows_resource_file.py
index 5026cb0f..c18fd91b 100644
--- a/python/examples/kaitai/kaitai_struct_formats/windows/windows_resource_file.py
+++ b/python/examples/kaitai/windows_resource_file.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 from enum import Enum
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/windows/windows_shell_items.py b/python/examples/kaitai/windows_shell_items.py
index a1805915..93a1ccbc 100644
--- a/python/examples/kaitai/kaitai_struct_formats/windows/windows_shell_items.py
+++ b/python/examples/kaitai/windows_shell_items.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/network/windows_systemtime.py b/python/examples/kaitai/windows_systemtime.py
index 2f3bc5df..18823c8a 100644
--- a/python/examples/kaitai/kaitai_struct_formats/network/windows_systemtime.py
+++ b/python/examples/kaitai/windows_systemtime.py
@@ -1,7 +1,7 @@
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 import collections
 
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/wmf.py b/python/examples/kaitai/wmf.py
index e0342b3c..6cb1c74e 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/wmf.py
+++ b/python/examples/kaitai/wmf.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
@@ -101,7 +100,7 @@ class Wmf(KaitaiStruct):
         masknotpen = 3
         notcopypen = 4
         maskpennot = 5
-        not = 6
+        not_ = 6
         xorpen = 7
         notmaskpen = 8
         maskpen = 9
diff --git a/python/examples/kaitai/kaitai_struct_formats/image/xwd.py b/python/examples/kaitai/xwd.py
index 8ec1ff03..93dfb534 100644
--- a/python/examples/kaitai/kaitai_struct_formats/image/xwd.py
+++ b/python/examples/kaitai/xwd.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections
 
diff --git a/python/examples/kaitai/kaitai_struct_formats/archive/zip.py b/python/examples/kaitai/zip.py
index 1f6894dd..9fe85264 100644
--- a/python/examples/kaitai/kaitai_struct_formats/archive/zip.py
+++ b/python/examples/kaitai/zip.py
@@ -1,8 +1,7 @@
-from __future__ import absolute_import
 # 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
+from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
 from enum import Enum
 import collections