diff options
Diffstat (limited to 'tablib/packages/xlrd3/biffh.py')
| -rw-r--r-- | tablib/packages/xlrd3/biffh.py | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/tablib/packages/xlrd3/biffh.py b/tablib/packages/xlrd3/biffh.py new file mode 100644 index 0000000..d99e3a3 --- /dev/null +++ b/tablib/packages/xlrd3/biffh.py @@ -0,0 +1,620 @@ +# Support module for the xlrd3 package.
+#
+# Portions copyright (c) 2005-2008 Stephen John Machin, Lingfo Pty Ltd
+# This module is part of the xlrd package, which is released under a
+# BSD-style licence.
+#
+# 2010-12-08 mozman refactoring for python 3
+# 2008-02-10 SJM BIFF2 BLANK record
+# 2008-02-08 SJM Preparation for Excel 2.0 support
+# 2008-02-02 SJM Added suffixes (_B2, _B2_ONLY, etc) on record names for
+# biff_dump & biff_count
+# 2007-12-04 SJM Added support for Excel 2.x (BIFF2) files.
+# 2007-09-08 SJM Avoid crash when zero-length Unicode string missing options byte.
+# 2007-04-22 SJM Remove experimental "trimming" facility.
+
+import sys
+from struct import unpack
+
+encoding_from_codepage = {
+ 1200 : 'utf_16_le',
+ 10000: 'mac_roman',
+ 10006: 'mac_greek', # guess
+ 10007: 'mac_cyrillic', # guess
+ 10029: 'mac_latin2', # guess
+ 10079: 'mac_iceland', # guess
+ 10081: 'mac_turkish', # guess
+ 32768: 'mac_roman',
+ 32769: 'cp1252',
+ }
+
+# some more guessing, for Indic scripts
+# codepage 57000 range:
+# 2 Devanagari [0]
+# 3 Bengali [1]
+# 4 Tamil [5]
+# 5 Telegu [6]
+# 6 Assamese [1] c.f. Bengali
+# 7 Oriya [4]
+# 8 Kannada [7]
+# 9 Malayalam [8]
+# 10 Gujarati [3]
+# 11 Gurmukhi [2]
+
+FUN = 0 # unknown
+FDT = 1 # date
+FNU = 2 # number
+FGE = 3 # general
+FTX = 4 # text
+
+DATEFORMAT = FDT
+NUMBERFORMAT = FNU
+
+XL_CELL_EMPTY = 0
+XL_CELL_TEXT = 1
+XL_CELL_NUMBER = 2
+XL_CELL_DATE = 3
+XL_CELL_BOOLEAN = 4
+XL_CELL_ERROR = 5
+XL_CELL_BLANK = 6 # for use in debugging, gathering stats, etc
+
+biff_text_from_num = {
+ 0: "(not BIFF)",
+ 20: "2.0",
+ 21: "2.1",
+ 30: "3",
+ 40: "4S",
+ 45: "4W",
+ 50: "5",
+ 70: "7",
+ 80: "8",
+ 85: "8X",
+}
+
+# This dictionary can be used to produce a text version of the internal codes
+# that Excel uses for error cells. Here are its contents:
+error_text_from_code = {
+ 0x00: '#NULL!', # Intersection of two cell ranges is empty
+ 0x07: '#DIV/0!', # Division by zero
+ 0x0F: '#VALUE!', # Wrong type of operand
+ 0x17: '#REF!', # Illegal or deleted cell reference
+ 0x1D: '#NAME?', # Wrong function or range name
+ 0x24: '#NUM!', # Value range overflow
+ 0x2A: '#N/A!', # Argument or function not available
+}
+
+BIFF_FIRST_UNICODE = 80
+
+XL_WORKBOOK_GLOBALS = WBKBLOBAL = 0x5
+XL_WORKBOOK_GLOBALS_4W = 0x100
+XL_WORKSHEET = WRKSHEET = 0x10
+
+XL_BOUNDSHEET_WORKSHEET = 0x00
+XL_BOUNDSHEET_CHART = 0x02
+XL_BOUNDSHEET_VB_MODULE = 0x06
+
+# XL_RK2 = 0x7e
+XL_ARRAY = 0x0221
+XL_ARRAY2 = 0x0021
+XL_BLANK = 0x0201
+XL_BLANK_B2 = 0x01
+XL_BOF = 0x809
+XL_BOOLERR = 0x205
+XL_BOOLERR_B2 = 0x5
+XL_BOUNDSHEET = 0x85
+XL_BUILTINFMTCOUNT = 0x56
+XL_CF = 0x01B1
+XL_CODEPAGE = 0x42
+XL_COLINFO = 0x7D
+XL_COLUMNDEFAULT = 0x20 # BIFF2 only
+XL_COLWIDTH = 0x24 # BIFF2 only
+XL_CONDFMT = 0x01B0
+XL_CONTINUE = 0x3c
+XL_COUNTRY = 0x8C
+XL_DATEMODE = 0x22
+XL_DEFAULTROWHEIGHT = 0x0225
+XL_DEFCOLWIDTH = 0x55
+XL_DIMENSION = 0x200
+XL_DIMENSION2 = 0x0
+XL_EFONT = 0x45
+XL_EOF = 0x0a
+XL_EXTERNNAME = 0x23
+XL_EXTERNSHEET = 0x17
+XL_EXTSST = 0xff
+XL_FEAT11 = 0x872
+XL_FILEPASS = 0x2f
+XL_FONT = 0x31
+XL_FONT_B3B4 = 0x231
+XL_FORMAT = 0x41e
+XL_FORMAT2 = 0x1E # BIFF2, BIFF3
+XL_FORMULA = 0x6
+XL_FORMULA3 = 0x206
+XL_FORMULA4 = 0x406
+XL_GCW = 0xab
+XL_INDEX = 0x20b
+XL_INTEGER = 0x2 # BIFF2 only
+XL_IXFE = 0x44 # BIFF2 only
+XL_LABEL = 0x204
+XL_LABEL_B2 = 0x04
+XL_LABELRANGES = 0x15f
+XL_LABELSST = 0xfd
+XL_MERGEDCELLS = 0xE5
+XL_MSO_DRAWING = 0x00EC
+XL_MSO_DRAWING_GROUP = 0x00EB
+XL_MSO_DRAWING_SELECTION = 0x00ED
+XL_MULRK = 0xbd
+XL_MULBLANK = 0xbe
+XL_NAME = 0x18
+XL_NOTE = 0x1c
+XL_NUMBER = 0x203
+XL_NUMBER_B2 = 0x3
+XL_OBJ = 0x5D
+XL_PALETTE = 0x92
+XL_RK = 0x27e
+XL_ROW = 0x208
+XL_ROW_B2 = 0x08
+XL_RSTRING = 0xd6
+XL_SHEETHDR = 0x8F # BIFF4W only
+XL_SHEETSOFFSET = 0x8E # BIFF4W only
+XL_SHRFMLA = 0x04bc
+XL_SST = 0xfc
+XL_STANDARDWIDTH = 0x99
+XL_STRING = 0x207
+XL_STRING_B2 = 0x7
+XL_STYLE = 0x293
+XL_SUPBOOK = 0x1AE
+XL_TABLEOP = 0x236
+XL_TABLEOP2 = 0x37
+XL_TABLEOP_B2 = 0x36
+XL_TXO = 0x1b6
+XL_UNCALCED = 0x5e
+XL_UNKNOWN = 0xffff
+XL_WINDOW2 = 0x023E
+XL_WRITEACCESS = 0x5C
+XL_XF = 0xe0
+XL_XF2 = 0x0043 # BIFF2 version of XF record
+XL_XF3 = 0x0243 # BIFF3 version of XF record
+XL_XF4 = 0x0443 # BIFF4 version of XF record
+
+boflen = {
+ 0x0809: 8,
+ 0x0409: 6,
+ 0x0209: 6,
+ 0x0009: 4,
+}
+
+bofcodes = (0x0809, 0x0409, 0x0209, 0x0009)
+
+XL_FORMULA_OPCODES = (0x0006, 0x0406, 0x0206)
+
+_cell_opcode_list = (
+ XL_BOOLERR,
+ XL_FORMULA,
+ XL_FORMULA3,
+ XL_FORMULA4,
+ XL_LABEL,
+ XL_LABELSST,
+ XL_MULRK,
+ XL_NUMBER,
+ XL_RK,
+ XL_RSTRING,
+)
+
+biff_rec_name_dict = {
+ 0x0000: 'DIMENSIONS_B2',
+ 0x0001: 'BLANK_B2',
+ 0x0002: 'INTEGER_B2_ONLY',
+ 0x0003: 'NUMBER_B2',
+ 0x0004: 'LABEL_B2',
+ 0x0005: 'BOOLERR_B2',
+ 0x0006: 'FORMULA',
+ 0x0007: 'STRING_B2',
+ 0x0008: 'ROW_B2',
+ 0x0009: 'BOF_B2',
+ 0x000A: 'EOF',
+ 0x000B: 'INDEX_B2_ONLY',
+ 0x000C: 'CALCCOUNT',
+ 0x000D: 'CALCMODE',
+ 0x000E: 'PRECISION',
+ 0x000F: 'REFMODE',
+ 0x0010: 'DELTA',
+ 0x0011: 'ITERATION',
+ 0x0012: 'PROTECT',
+ 0x0013: 'PASSWORD',
+ 0x0014: 'HEADER',
+ 0x0015: 'FOOTER',
+ 0x0016: 'EXTERNCOUNT',
+ 0x0017: 'EXTERNSHEET',
+ 0x0018: 'NAME_B2,5+',
+ 0x0019: 'WINDOWPROTECT',
+ 0x001A: 'VERTICALPAGEBREAKS',
+ 0x001B: 'HORIZONTALPAGEBREAKS',
+ 0x001C: 'NOTE',
+ 0x001D: 'SELECTION',
+ 0x001E: 'FORMAT_B2-3',
+ 0x001F: 'BUILTINFMTCOUNT_B2',
+ 0x0020: 'COLUMNDEFAULT_B2_ONLY',
+ 0x0021: 'ARRAY_B2_ONLY',
+ 0x0022: 'DATEMODE',
+ 0x0023: 'EXTERNNAME',
+ 0x0024: 'COLWIDTH_B2_ONLY',
+ 0x0025: 'DEFAULTROWHEIGHT_B2_ONLY',
+ 0x0026: 'LEFTMARGIN',
+ 0x0027: 'RIGHTMARGIN',
+ 0x0028: 'TOPMARGIN',
+ 0x0029: 'BOTTOMMARGIN',
+ 0x002A: 'PRINTHEADERS',
+ 0x002B: 'PRINTGRIDLINES',
+ 0x002F: 'FILEPASS',
+ 0x0031: 'FONT',
+ 0x0032: 'FONT2_B2_ONLY',
+ 0x0036: 'TABLEOP_B2',
+ 0x0037: 'TABLEOP2_B2',
+ 0x003C: 'CONTINUE',
+ 0x003D: 'WINDOW1',
+ 0x003E: 'WINDOW2_B2',
+ 0x0040: 'BACKUP',
+ 0x0041: 'PANE',
+ 0x0042: 'CODEPAGE',
+ 0x0043: 'XF_B2',
+ 0x0044: 'IXFE_B2_ONLY',
+ 0x0045: 'EFONT_B2_ONLY',
+ 0x004D: 'PLS',
+ 0x0051: 'DCONREF',
+ 0x0055: 'DEFCOLWIDTH',
+ 0x0056: 'BUILTINFMTCOUNT_B3-4',
+ 0x0059: 'XCT',
+ 0x005A: 'CRN',
+ 0x005B: 'FILESHARING',
+ 0x005C: 'WRITEACCESS',
+ 0x005D: 'OBJECT',
+ 0x005E: 'UNCALCED',
+ 0x005F: 'SAVERECALC',
+ 0x0063: 'OBJECTPROTECT',
+ 0x007D: 'COLINFO',
+ 0x007E: 'RK2_mythical_?',
+ 0x0080: 'GUTS',
+ 0x0081: 'WSBOOL',
+ 0x0082: 'GRIDSET',
+ 0x0083: 'HCENTER',
+ 0x0084: 'VCENTER',
+ 0x0085: 'BOUNDSHEET',
+ 0x0086: 'WRITEPROT',
+ 0x008C: 'COUNTRY',
+ 0x008D: 'HIDEOBJ',
+ 0x008E: 'SHEETSOFFSET',
+ 0x008F: 'SHEETHDR',
+ 0x0090: 'SORT',
+ 0x0092: 'PALETTE',
+ 0x0099: 'STANDARDWIDTH',
+ 0x009B: 'FILTERMODE',
+ 0x009C: 'FNGROUPCOUNT',
+ 0x009D: 'AUTOFILTERINFO',
+ 0x009E: 'AUTOFILTER',
+ 0x00A0: 'SCL',
+ 0x00A1: 'SETUP',
+ 0x00AB: 'GCW',
+ 0x00BD: 'MULRK',
+ 0x00BE: 'MULBLANK',
+ 0x00C1: 'MMS',
+ 0x00D6: 'RSTRING',
+ 0x00D7: 'DBCELL',
+ 0x00DA: 'BOOKBOOL',
+ 0x00DD: 'SCENPROTECT',
+ 0x00E0: 'XF',
+ 0x00E1: 'INTERFACEHDR',
+ 0x00E2: 'INTERFACEEND',
+ 0x00E5: 'MERGEDCELLS',
+ 0x00E9: 'BITMAP',
+ 0x00EB: 'MSO_DRAWING_GROUP',
+ 0x00EC: 'MSO_DRAWING',
+ 0x00ED: 'MSO_DRAWING_SELECTION',
+ 0x00EF: 'PHONETIC',
+ 0x00FC: 'SST',
+ 0x00FD: 'LABELSST',
+ 0x00FF: 'EXTSST',
+ 0x013D: 'TABID',
+ 0x015F: 'LABELRANGES',
+ 0x0160: 'USESELFS',
+ 0x0161: 'DSF',
+ 0x01AE: 'SUPBOOK',
+ 0x01AF: 'PROTECTIONREV4',
+ 0x01B0: 'CONDFMT',
+ 0x01B1: 'CF',
+ 0x01B2: 'DVAL',
+ 0x01B6: 'TXO',
+ 0x01B7: 'REFRESHALL',
+ 0x01B8: 'HLINK',
+ 0x01BC: 'PASSWORDREV4',
+ 0x01BE: 'DV',
+ 0x01C0: 'XL9FILE',
+ 0x01C1: 'RECALCID',
+ 0x0200: 'DIMENSIONS',
+ 0x0201: 'BLANK',
+ 0x0203: 'NUMBER',
+ 0x0204: 'LABEL',
+ 0x0205: 'BOOLERR',
+ 0x0206: 'FORMULA_B3',
+ 0x0207: 'STRING',
+ 0x0208: 'ROW',
+ 0x0209: 'BOF',
+ 0x020B: 'INDEX_B3+',
+ 0x0218: 'NAME',
+ 0x0221: 'ARRAY',
+ 0x0223: 'EXTERNNAME_B3-4',
+ 0x0225: 'DEFAULTROWHEIGHT',
+ 0x0231: 'FONT_B3B4',
+ 0x0236: 'TABLEOP',
+ 0x023E: 'WINDOW2',
+ 0x0243: 'XF_B3',
+ 0x027E: 'RK',
+ 0x0293: 'STYLE',
+ 0x0406: 'FORMULA_B4',
+ 0x0409: 'BOF',
+ 0x041E: 'FORMAT',
+ 0x0443: 'XF_B4',
+ 0x04BC: 'SHRFMLA',
+ 0x0800: 'QUICKTIP',
+ 0x0809: 'BOF',
+ 0x0862: 'SHEETLAYOUT',
+ 0x0867: 'SHEETPROTECTION',
+ 0x0868: 'RANGEPROTECTION',
+}
+
+class XLRDError(Exception):
+ pass
+
+class BaseObject:
+ """
+ Parent of almost all other classes in the package. Defines a common
+ 'dump' method for debugging.
+ """
+ _repr_these = []
+
+ def dump(self, f=None, header=None, footer=None, indent=0):
+ """
+ :param f: open file object, to which the dump is written
+ :param header: text to write before the dump
+ :param footer: text to write after the dump
+ :param indent: number of leading spaces (for recursive calls)
+ """
+ if f is None:
+ f = sys.stderr
+ pad = " " * indent
+
+ if header is not None:
+ print(header, file=f)
+
+ for attr, value in sorted(self.__dict__.items()):
+ if getattr(value, 'dump', None) and attr != 'book':
+ value.dump(f,
+ header="%s%s (%s object):" % (pad, attr, value.__class__.__name__),
+ indent=indent+4)
+ elif attr not in self._repr_these and \
+ (isinstance(value, list) or
+ isinstance(value, dict)):
+ print("%s%s: %s, len = %d" % (pad, attr, type(value), len(value)), file=f)
+ else:
+ print("%s%s: %r" % (pad, attr, value), file=f)
+ if footer is not None:
+ print(footer, file=f)
+
+def fprintf(f, fmt, *vargs):
+ print(fmt.rstrip('\n') % vargs, file=f)
+
+def upkbits(tgt_obj, src, manifest, local_setattr=setattr):
+ for n, mask, attr in manifest:
+ local_setattr(tgt_obj, attr, (src & mask) >> n)
+
+def upkbitsL(tgt_obj, src, manifest, local_setattr=setattr, local_int=int):
+ for n, mask, attr in manifest:
+ local_setattr(tgt_obj, attr, local_int((src & mask) >> n))
+
+def unpack_string(data, pos, encoding, lenlen=1):
+ nchars = unpack('<' + 'BH'[lenlen-1], data[pos:pos+lenlen])[0]
+ pos += lenlen
+ return str(data[pos:pos+nchars], encoding)
+
+def unpack_string_update_pos(data, pos, encoding, lenlen=1, known_len=None):
+ if known_len is not None:
+ # On a NAME record, the length byte is detached from the front of the string.
+ nchars = known_len
+ else:
+ nchars = unpack('<' + 'BH'[lenlen-1], data[pos:pos+lenlen])[0]
+ pos += lenlen
+
+ newpos = pos + nchars
+ return (str(data[pos:newpos], encoding), newpos)
+
+def unpack_unicode(data, pos, lenlen=2):
+ """ Return unicode_strg """
+ nchars = unpack('<' + 'BH'[lenlen-1], data[pos:pos+lenlen])[0]
+ if not nchars:
+ # Ambiguous whether 0-length string should have an "options" byte.
+ # Avoid crash if missing.
+ return ""
+ pos += lenlen
+ options = data[pos]
+ pos += 1
+
+ if options & 0x08: # richtext
+ pos += 2
+
+ if options & 0x04: # phonetic
+ pos += 4
+
+ if options & 0x01:
+ # Uncompressed UTF-16-LE
+ rawstrg = data[pos:pos+2*nchars]
+ strg = str(rawstrg, 'utf_16_le')
+ else:
+ # Note: this is COMPRESSED (not ASCII!) encoding!!!
+ # Merely returning the raw bytes would work OK 99.99% of the time
+ # if the local codepage was cp1252 -- however this would rapidly go pear-shaped
+ # for other codepages so we grit our Anglocentric teeth and return Unicode :-)
+ strg = str(data[pos:pos+nchars], "latin_1")
+ return strg
+
+def unpack_unicode_update_pos(data, pos, lenlen=2, known_len=None):
+ """ Return (unicode_strg, updated value of pos) """
+ if known_len is not None:
+ # On a NAME record, the length byte is detached from the front of the string.
+ nchars = known_len
+ else:
+ nchars = unpack('<' + 'BH'[lenlen-1], data[pos:pos+lenlen])[0]
+ pos += lenlen
+
+ if not nchars and not data[pos:]:
+ # Zero-length string with no options byte
+ return ("", pos)
+
+ options = data[pos]
+ pos += 1
+ phonetic = options & 0x04
+ richtext = options & 0x08
+
+ if richtext:
+ rt = unpack('<H', data[pos:pos+2])[0]
+ pos += 2
+
+ if phonetic:
+ sz = unpack('<i', data[pos:pos+4])[0]
+ pos += 4
+
+ if options & 0x01:
+ # Uncompressed UTF-16-LE
+ strg = str(data[pos:pos+2*nchars], 'utf_16_le')
+ pos += 2*nchars
+ else:
+ # Note: this is COMPRESSED (not ASCII!) encoding!!!
+ strg = str(data[pos:pos+nchars], "latin_1")
+ pos += nchars
+
+ if richtext:
+ pos += 4 * rt
+
+ if phonetic:
+ pos += sz
+
+ return (strg, pos)
+
+def unpack_cell_range_address_list_update_pos(
+ output_list, data, pos, biff_version, addr_size=6):
+ # output_list is updated in situ
+ if biff_version < 80:
+ assert addr_size == 6
+ else:
+ assert addr_size in (6, 8)
+ n, = unpack("<H", data[pos:pos+2])
+ pos += 2
+ if n:
+ fmt = "<HHBB" if addr_size == 6 else "<HHHH"
+ for _unused in range(n):
+ ra, rb, ca, cb = unpack(fmt, data[pos:pos+addr_size])
+ output_list.append((ra, rb+1, ca, cb+1))
+ pos += addr_size
+ return pos
+
+def hex_char_dump(strg, ofs, dlen, base=0, fout=sys.stdout, unnumbered=False):
+ endpos = min(ofs + dlen, len(strg))
+ pos = ofs
+ numbered = not unnumbered
+ num_prefix = ''
+ while pos < endpos:
+ endsub = min(pos + 16, endpos)
+ substrg = strg[pos:endsub]
+ lensub = endsub - pos
+ if lensub <= 0 or lensub != len(substrg):
+ fprintf(
+ sys.stdout,
+ '??? hex_char_dump: ofs=%d dlen=%d base=%d -> endpos=%d pos=%d endsub=%d substrg=%r\n',
+ ofs, dlen, base, endpos, pos, endsub, substrg)
+ break
+ hexd = ''.join(["%02x " % c for c in substrg])
+ chard = ''
+ for c in substrg:
+ if c == ord('\0'):
+ c = '~'
+ elif not (' ' <= chr(c) <= '~'):
+ c = '?'
+ if isinstance(c, int):
+ c = chr(c)
+ chard += c
+ if numbered:
+ num_prefix = "%5d: " % (base+pos-ofs)
+ fprintf(fout, "%s %-48s %s\n", num_prefix, hexd, chard)
+ pos = endsub
+
+def biff_dump(mem, stream_offset, stream_len, base=0, fout=sys.stdout,
+ unnumbered=False):
+ pos = stream_offset
+ stream_end = stream_offset + stream_len
+ adj = base - stream_offset
+ dummies = 0
+ numbered = not unnumbered
+ num_prefix = ''
+ while stream_end - pos >= 4:
+ rc, length = unpack('<HH', mem[pos:pos+4])
+ if rc == 0 and length == 0:
+ if mem[pos:] == '\0' * (stream_end - pos):
+ dummies = stream_end - pos
+ savpos = pos
+ pos = stream_end
+ break
+
+ if dummies:
+ dummies += 4
+ else:
+ savpos = pos
+ dummies = 4
+ pos += 4
+ else:
+ if dummies:
+ if numbered:
+ num_prefix = "%5d: " % (adj + savpos)
+ fprintf(fout, "%s---- %d zero bytes skipped ----\n",
+ num_prefix, dummies)
+ dummies = 0
+
+ recname = biff_rec_name_dict.get(rc, '<UNKNOWN>')
+ if numbered:
+ num_prefix = "%5d: " % (adj + pos)
+ fprintf(fout, "%s%04x %s len = %04x (%d)\n",
+ num_prefix, rc, recname, length, length)
+ pos += 4
+ hex_char_dump(mem, pos, length, adj+pos, fout, unnumbered)
+ pos += length
+ if dummies:
+ if numbered:
+ num_prefix = "%5d: " % (adj + savpos)
+ fprintf(fout, "%s---- %d zero bytes skipped ----\n", num_prefix, dummies)
+
+ if pos < stream_end:
+ if numbered:
+ num_prefix = "%5d: " % (adj + pos)
+ fprintf(fout, "%s---- Misc bytes at end ----\n", num_prefix)
+ hex_char_dump(mem, pos, stream_end-pos, adj + pos, fout, unnumbered)
+ elif pos > stream_end:
+ fprintf(fout, "Last dumped record has length (%d) that is too large\n", length)
+
+def biff_count_records(mem, stream_offset, stream_len, fout=sys.stdout):
+ pos = stream_offset
+ stream_end = stream_offset + stream_len
+ tally = {}
+ while stream_end - pos >= 4:
+ rc, length = unpack('<HH', mem[pos:pos+4])
+ if rc == 0 and length == 0:
+ if mem[pos:] == '\0' * (stream_end - pos):
+ break
+ recname = "<Dummy (zero)>"
+ else:
+ recname = biff_rec_name_dict.get(rc, None)
+ if recname is None:
+ recname = "Unknown_0x%04X" % rc
+ if recname in tally:
+ tally[recname] += 1
+ else:
+ tally[recname] = 1
+ pos += length + 4
+ for recname, count in sorted(tally.items()):
+ fprintf(fout, "%8d %s", count, recname)
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