# 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 Dbf(KaitaiStruct): SEQ_FIELDS = ["header1", "header2", "records"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['header1']['start'] = self._io.pos() self.header1 = self._root.Header1(self._io, self, self._root) self.header1._read() self._debug['header1']['end'] = self._io.pos() self._debug['header2']['start'] = self._io.pos() self._raw_header2 = self._io.read_bytes((self.header1.len_header - 12)) io = KaitaiStream(BytesIO(self._raw_header2)) self.header2 = self._root.Header2(io, self, self._root) self.header2._read() self._debug['header2']['end'] = self._io.pos() self._debug['records']['start'] = self._io.pos() self.records = [None] * (self.header1.num_records) for i in range(self.header1.num_records): if not 'arr' in self._debug['records']: self._debug['records']['arr'] = [] self._debug['records']['arr'].append({'start': self._io.pos()}) self.records[i] = self._io.read_bytes(self.header1.len_record) self._debug['records']['arr'][i]['end'] = self._io.pos() self._debug['records']['end'] = self._io.pos() class Header2(KaitaiStruct): SEQ_FIELDS = ["header_dbase_3", "header_dbase_7", "fields"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): if self._root.header1.dbase_level == 3: self._debug['header_dbase_3']['start'] = self._io.pos() self.header_dbase_3 = self._root.HeaderDbase3(self._io, self, self._root) self.header_dbase_3._read() self._debug['header_dbase_3']['end'] = self._io.pos() if self._root.header1.dbase_level == 7: self._debug['header_dbase_7']['start'] = self._io.pos() self.header_dbase_7 = self._root.HeaderDbase7(self._io, self, self._root) self.header_dbase_7._read() self._debug['header_dbase_7']['end'] = self._io.pos() self._debug['fields']['start'] = self._io.pos() self.fields = [None] * (11) for i in range(11): if not 'arr' in self._debug['fields']: self._debug['fields']['arr'] = [] self._debug['fields']['arr'].append({'start': self._io.pos()}) _t_fields = self._root.Field(self._io, self, self._root) _t_fields._read() self.fields[i] = _t_fields self._debug['fields']['arr'][i]['end'] = self._io.pos() self._debug['fields']['end'] = self._io.pos() class Field(KaitaiStruct): SEQ_FIELDS = ["name", "datatype", "data_address", "length", "decimal_count", "reserved1", "work_area_id", "reserved2", "set_fields_flag", "reserved3"] 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['name']['start'] = self._io.pos() self.name = (self._io.read_bytes(11)).decode(u"ASCII") self._debug['name']['end'] = self._io.pos() self._debug['datatype']['start'] = self._io.pos() self.datatype = self._io.read_u1() self._debug['datatype']['end'] = self._io.pos() self._debug['data_address']['start'] = self._io.pos() self.data_address = self._io.read_u4le() self._debug['data_address']['end'] = self._io.pos() self._debug['length']['start'] = self._io.pos() self.length = self._io.read_u1() self._debug['length']['end'] = self._io.pos() self._debug['decimal_count']['start'] = self._io.pos() self.decimal_count = self._io.read_u1() self._debug['decimal_count']['end'] = self._io.pos() self._debug['reserved1']['start'] = self._io.pos() self.reserved1 = self._io.read_bytes(2) self._debug['reserved1']['end'] = self._io.pos() self._debug['work_area_id']['start'] = self._io.pos() self.work_area_id = self._io.read_u1() self._debug['work_area_id']['end'] = self._io.pos() self._debug['reserved2']['start'] = self._io.pos() self.reserved2 = self._io.read_bytes(2) self._debug['reserved2']['end'] = self._io.pos() self._debug['set_fields_flag']['start'] = self._io.pos() self.set_fields_flag = self._io.read_u1() self._debug['set_fields_flag']['end'] = self._io.pos() self._debug['reserved3']['start'] = self._io.pos() self.reserved3 = self._io.read_bytes(8) self._debug['reserved3']['end'] = self._io.pos() class Header1(KaitaiStruct): """ .. seealso:: - section 1.1 - http://www.dbase.com/Knowledgebase/INT/db7_file_fmt.htm """ SEQ_FIELDS = ["version", "last_update_y", "last_update_m", "last_update_d", "num_records", "len_header", "len_record"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['version']['start'] = self._io.pos() self.version = self._io.read_u1() self._debug['version']['end'] = self._io.pos() self._debug['last_update_y']['start'] = self._io.pos() self.last_update_y = self._io.read_u1() self._debug['last_update_y']['end'] = self._io.pos() self._debug['last_update_m']['start'] = self._io.pos() self.last_update_m = self._io.read_u1() self._debug['last_update_m']['end'] = self._io.pos() self._debug['last_update_d']['start'] = self._io.pos() self.last_update_d = self._io.read_u1() self._debug['last_update_d']['end'] = self._io.pos() self._debug['num_records']['start'] = self._io.pos() self.num_records = self._io.read_u4le() self._debug['num_records']['end'] = self._io.pos() self._debug['len_header']['start'] = self._io.pos() self.len_header = self._io.read_u2le() self._debug['len_header']['end'] = self._io.pos() self._debug['len_record']['start'] = self._io.pos() self.len_record = self._io.read_u2le() self._debug['len_record']['end'] = self._io.pos() @property def dbase_level(self): if hasattr(self, '_m_dbase_level'): return self._m_dbase_level if hasattr(self, '_m_dbase_level') else None self._m_dbase_level = (self.version & 7) return self._m_dbase_level if hasattr(self, '_m_dbase_level') else None class HeaderDbase3(KaitaiStruct): SEQ_FIELDS = ["reserved1", "reserved2", "reserved3"] 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['reserved1']['start'] = self._io.pos() self.reserved1 = self._io.read_bytes(3) self._debug['reserved1']['end'] = self._io.pos() self._debug['reserved2']['start'] = self._io.pos() self.reserved2 = self._io.read_bytes(13) self._debug['reserved2']['end'] = self._io.pos() self._debug['reserved3']['start'] = self._io.pos() self.reserved3 = self._io.read_bytes(4) self._debug['reserved3']['end'] = self._io.pos() class HeaderDbase7(KaitaiStruct): SEQ_FIELDS = ["reserved1", "has_incomplete_transaction", "dbase_iv_encryption", "reserved2", "production_mdx", "language_driver_id", "reserved3", "language_driver_name", "reserved4"] 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['reserved1']['start'] = self._io.pos() self.reserved1 = self._io.ensure_fixed_contents(b"\x00\x00") self._debug['reserved1']['end'] = self._io.pos() self._debug['has_incomplete_transaction']['start'] = self._io.pos() self.has_incomplete_transaction = self._io.read_u1() self._debug['has_incomplete_transaction']['end'] = self._io.pos() self._debug['dbase_iv_encryption']['start'] = self._io.pos() self.dbase_iv_encryption = self._io.read_u1() self._debug['dbase_iv_encryption']['end'] = self._io.pos() self._debug['reserved2']['start'] = self._io.pos() self.reserved2 = self._io.read_bytes(12) self._debug['reserved2']['end'] = self._io.pos() self._debug['production_mdx']['start'] = self._io.pos() self.production_mdx = self._io.read_u1() self._debug['production_mdx']['end'] = self._io.pos() self._debug['language_driver_id']['start'] = self._io.pos() self.language_driver_id = self._io.read_u1() self._debug['language_driver_id']['end'] = self._io.pos() self._debug['reserved3']['start'] = self._io.pos() self.reserved3 = self._io.ensure_fixed_contents(b"\x00\x00") self._debug['reserved3']['end'] = self._io.pos() self._debug['language_driver_name']['start'] = self._io.pos() self.language_driver_name = self._io.read_bytes(32) self._debug['language_driver_name']['end'] = self._io.pos() self._debug['reserved4']['start'] = self._io.pos() self.reserved4 = self._io.read_bytes(4) self._debug['reserved4']['end'] = self._io.pos()