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Name	Type	Size	Permissions	Modified	Actions
..	Parent	-	drwxr-xr-x	2026-04-10 12:14:14	-
__pycache__	Folder	-	0755	2026-04-10 12:14:14
asyncio	Folder	-	0755	2026-04-10 12:14:14
collections	Folder	-	0755	2026-04-10 12:14:14
concurrent	Folder	-	0755	2026-04-10 12:14:14
ctypes	Folder	-	0755	2026-04-10 12:14:14
curses	Folder	-	0755	2026-04-10 12:14:14
dbm	Folder	-	0755	2026-04-10 12:14:14
distutils	Folder	-	0755	2026-04-10 12:14:14
email	Folder	-	0755	2026-04-10 12:14:14
encodings	Folder	-	0755	2026-04-10 12:14:14
html	Folder	-	0755	2026-04-10 12:14:14
http	Folder	-	0755	2026-04-10 12:14:14
importlib	Folder	-	0755	2026-04-10 12:14:14
json	Folder	-	0755	2026-04-10 12:14:14
lib-dynload	Folder	-	0755	2026-04-10 12:14:14
lib2to3	Folder	-	0755	2026-04-10 12:14:14
logging	Folder	-	0755	2026-04-10 12:14:14
multiprocessing	Folder	-	0755	2026-04-10 12:14:14
pydoc_data	Folder	-	0755	2026-04-10 12:14:14
sqlite3	Folder	-	0755	2026-04-10 12:14:14
test	Folder	-	0755	2026-04-10 12:14:14
unittest	Folder	-	0755	2026-04-10 12:14:14
urllib	Folder	-	0755	2026-04-10 12:14:14
venv	Folder	-	0755	2026-04-10 12:14:14
wsgiref	Folder	-	0755	2026-04-10 12:14:14
xml	Folder	-	0755	2026-04-10 12:14:14
xmlrpc	Folder	-	0755	2026-04-10 12:14:14
LICENSE.txt	File	13.6 KB	0644	2026-03-03 11:49:16
__future__.py	File	5.03 KB	0644	2026-03-03 11:49:16
__phello__.foo.py	File	64 B	0644	2026-03-03 11:49:16
_bootlocale.py	File	1.76 KB	0644	2026-03-03 11:49:16
_collections_abc.py	File	25.49 KB	0644	2026-03-03 11:49:16
_compat_pickle.py	File	8.54 KB	0644	2026-03-03 11:49:16
_compression.py	File	5.21 KB	0644	2026-03-03 11:49:16
_dummy_thread.py	File	5.89 KB	0644	2026-03-03 11:49:16
_markupbase.py	File	14.26 KB	0644	2026-03-03 11:49:16
_osx_support.py	File	21.26 KB	0644	2026-03-03 11:49:16
_py_abc.py	File	6.04 KB	0644	2026-03-03 11:49:16
_pydecimal.py	File	223.31 KB	0644	2026-03-03 11:49:16
_pyio.py	File	90.99 KB	0644	2026-03-03 11:49:16
_sitebuiltins.py	File	3.04 KB	0644	2026-03-03 11:49:16
_strptime.py	File	24.68 KB	0644	2026-03-03 11:49:16
_sysconfigdata__linux_x86_64-linux-gnu.py	File	25.23 KB	0644	2026-03-03 11:49:16
_sysconfigdata__x86_64-linux-gnu.py	File	25.23 KB	0644	2026-03-03 11:49:16
_threading_local.py	File	7.05 KB	0644	2026-03-03 11:49:16
_weakrefset.py	File	5.6 KB	0644	2026-03-03 11:49:16
abc.py	File	4.38 KB	0644	2026-03-03 11:49:16
aifc.py	File	32.04 KB	0644	2026-03-03 11:49:16
antigravity.py	File	477 B	0644	2026-03-03 11:49:16
argparse.py	File	94.05 KB	0644	2026-03-03 11:49:16
ast.py	File	18.78 KB	0644	2026-03-03 11:49:16
asynchat.py	File	11.06 KB	0644	2026-03-03 11:49:16
asyncore.py	File	19.62 KB	0644	2026-03-03 11:49:16
base64.py	File	19.9 KB	0755	2026-03-03 11:49:16
bdb.py	File	31.3 KB	0644	2026-03-03 11:49:16
binhex.py	File	13.63 KB	0644	2026-03-03 11:49:16
bisect.py	File	2.16 KB	0644	2026-03-03 11:49:16
bz2.py	File	12.26 KB	0644	2026-03-03 11:49:16
cProfile.py	File	6.83 KB	0755	2026-03-03 11:49:16
calendar.py	File	24.25 KB	0644	2026-03-03 11:49:16
cgi.py	File	33.14 KB	0755	2026-03-03 11:49:16
cgitb.py	File	11.81 KB	0644	2026-03-03 11:49:16
chunk.py	File	5.31 KB	0644	2026-03-03 11:49:16
cmd.py	File	14.51 KB	0644	2026-03-03 11:49:16
code.py	File	10.37 KB	0644	2026-03-03 11:49:16
codecs.py	File	35.81 KB	0644	2026-03-03 11:49:16
codeop.py	File	6.18 KB	0644	2026-03-03 11:49:16
colorsys.py	File	3.97 KB	0644	2026-03-03 11:49:16
compileall.py	File	13.36 KB	0644	2026-03-03 11:49:16
configparser.py	File	53.1 KB	0644	2026-03-03 11:49:16
contextlib.py	File	24.41 KB	0644	2026-03-03 11:49:16
contextvars.py	File	129 B	0644	2026-03-03 11:49:16
copy.py	File	8.46 KB	0644	2026-03-03 11:49:16
copyreg.py	File	6.97 KB	0644	2026-03-03 11:49:16
crypt.py	File	3.53 KB	0644	2026-03-03 11:49:16
csv.py	File	15.77 KB	0644	2026-03-03 11:49:16
dataclasses.py	File	48.8 KB	0644	2026-03-03 11:49:16
datetime.py	File	86.22 KB	0644	2026-03-03 11:49:16
decimal.py	File	320 B	0644	2026-03-03 11:49:16
difflib.py	File	82.09 KB	0644	2026-03-03 11:49:16
dis.py	File	20.09 KB	0644	2026-03-03 11:49:16
doctest.py	File	102.09 KB	0644	2026-03-03 11:49:16
dummy_threading.py	File	2.75 KB	0644	2026-03-03 11:49:16
enum.py	File	37.24 KB	0644	2026-03-03 11:49:16
filecmp.py	File	9.6 KB	0644	2026-03-03 11:49:16
fileinput.py	File	14.36 KB	0644	2026-03-03 11:49:16
fnmatch.py	File	3.98 KB	0644	2026-03-03 11:49:16
formatter.py	File	14.79 KB	0644	2026-03-03 11:49:16
fractions.py	File	23.76 KB	0644	2026-03-03 11:49:16
ftplib.py	File	34.31 KB	0644	2026-03-03 11:49:16
functools.py	File	36.53 KB	0644	2026-03-03 11:49:16
genericpath.py	File	4.86 KB	0644	2026-03-03 11:49:16
getopt.py	File	7.31 KB	0644	2026-03-03 11:49:16
getpass.py	File	5.85 KB	0644	2026-03-03 11:49:16
gettext.py	File	26.92 KB	0644	2026-03-03 11:49:16
glob.py	File	5.56 KB	0644	2026-03-03 11:49:16
gzip.py	File	20.91 KB	0644	2026-03-03 11:49:16
hashlib.py	File	9.5 KB	0644	2026-03-03 11:49:16
heapq.py	File	22.34 KB	0644	2026-03-03 11:49:16
hmac.py	File	6.47 KB	0644	2026-03-03 11:49:16
imaplib.py	File	52.35 KB	0644	2026-03-03 11:49:16
imghdr.py	File	3.72 KB	0644	2026-03-03 11:49:16
imp.py	File	10.29 KB	0644	2026-03-03 11:49:16
inspect.py	File	115.77 KB	0644	2026-03-03 11:49:16
io.py	File	3.46 KB	0644	2026-03-03 11:49:16
ipaddress.py	File	74.55 KB	0644	2026-03-03 11:49:16
keyword.py	File	945 B	0644	2026-03-03 11:49:16
linecache.py	File	5.21 KB	0644	2026-03-03 11:49:16
locale.py	File	76.36 KB	0644	2026-03-03 11:49:16
lzma.py	File	12.68 KB	0644	2026-03-03 11:49:16
mailbox.py	File	76.82 KB	0644	2026-03-03 11:49:16
mailcap.py	File	8.85 KB	0644	2026-03-03 11:49:16
mimetypes.py	File	21.16 KB	0644	2026-03-03 11:49:16
modulefinder.py	File	23.86 KB	0644	2026-03-03 11:49:16
netrc.py	File	5.44 KB	0644	2026-03-03 11:49:16
nntplib.py	File	42.25 KB	0644	2026-03-03 11:49:16
ntpath.py	File	25.21 KB	0644	2026-03-03 11:49:16
nturl2path.py	File	2.82 KB	0644	2026-03-03 11:49:16
numbers.py	File	10 KB	0644	2026-03-03 11:49:16
opcode.py	File	5.67 KB	0644	2026-03-03 11:49:16
operator.py	File	10.46 KB	0644	2026-03-03 11:49:16
optparse.py	File	58.95 KB	0644	2026-03-03 11:49:16
os.py	File	38.08 KB	0644	2026-03-03 11:49:16
pathlib.py	File	51.38 KB	0644	2026-03-03 11:49:16
pdb.py	File	61.27 KB	0755	2026-03-03 11:49:16
pickle.py	File	62.96 KB	0644	2026-03-03 11:49:16
pickletools.py	File	91.29 KB	0644	2026-03-03 11:49:16
pipes.py	File	8.71 KB	0644	2026-03-03 11:49:16
pkgutil.py	File	20.96 KB	0644	2026-03-03 11:49:16
platform.py	File	39.48 KB	0755	2026-03-03 11:49:16
plistlib.py	File	31.7 KB	0644	2026-03-03 11:49:16
poplib.py	File	14.72 KB	0644	2026-03-03 11:49:16
posixpath.py	File	15.14 KB	0644	2026-03-03 11:49:16
pprint.py	File	20.98 KB	0644	2026-03-03 11:49:16
profile.py	File	22.98 KB	0755	2026-03-03 11:49:16
pstats.py	File	26.7 KB	0644	2026-03-03 11:49:16
pty.py	File	4.69 KB	0644	2026-03-03 11:49:16
py_compile.py	File	7.96 KB	0644	2026-03-03 11:49:16
pyclbr.py	File	14.9 KB	0644	2026-03-03 11:49:16
pydoc.py	File	104.36 KB	0755	2026-03-03 11:49:16
queue.py	File	11.09 KB	0644	2026-03-03 11:49:16
quopri.py	File	7.08 KB	0755	2026-03-03 11:49:16
random.py	File	28.13 KB	0644	2026-03-03 11:49:16
re.py	File	15.49 KB	0644	2026-03-03 11:49:16
reprlib.py	File	5.14 KB	0644	2026-03-03 11:49:16
rlcompleter.py	File	6.93 KB	0644	2026-03-03 11:49:16
runpy.py	File	11.77 KB	0644	2026-03-03 11:49:16
sched.py	File	6.29 KB	0644	2026-03-03 11:49:16
secrets.py	File	1.99 KB	0644	2026-03-03 11:49:16
selectors.py	File	18.13 KB	0644	2026-03-03 11:49:16
shelve.py	File	8.33 KB	0644	2026-03-03 11:49:16
shlex.py	File	13.01 KB	0644	2026-03-03 11:49:16
shutil.py	File	50.27 KB	0644	2026-03-03 11:49:16
signal.py	File	2.22 KB	0644	2026-03-03 11:49:16
site.py	File	21.81 KB	0644	2026-03-03 11:49:16
sitecustomize.py	File	155 B	0644	2020-03-13 10:14:16
smtpd.py	File	33.9 KB	0755	2026-03-03 11:49:16
smtplib.py	File	43.75 KB	0755	2026-03-03 11:49:16
sndhdr.py	File	6.93 KB	0644	2026-03-03 11:49:16
socket.py	File	34.42 KB	0644	2026-03-03 11:49:16
socketserver.py	File	26.66 KB	0644	2026-03-03 11:49:16
sre_compile.py	File	26.07 KB	0644	2026-03-03 11:49:16
sre_constants.py	File	6.99 KB	0644	2026-03-03 11:49:16
sre_parse.py	File	39.29 KB	0644	2026-03-03 11:49:16
ssl.py	File	51.14 KB	0644	2026-03-03 11:49:16
stat.py	File	5.36 KB	0644	2026-03-03 11:49:16
statistics.py	File	38.76 KB	0644	2026-03-03 11:49:16
string.py	File	10.29 KB	0644	2026-03-03 11:49:16
stringprep.py	File	12.61 KB	0644	2026-03-03 11:49:16
struct.py	File	257 B	0644	2026-03-03 11:49:16
subprocess.py	File	75.52 KB	0644	2026-03-03 11:49:16
sunau.py	File	17.94 KB	0644	2026-03-03 11:49:16
symbol.py	File	2.06 KB	0644	2026-03-03 11:49:16
symtable.py	File	7.83 KB	0644	2026-03-03 11:49:16
sysconfig.py	File	24.45 KB	0644	2026-03-03 11:49:16
tabnanny.py	File	11.14 KB	0755	2026-03-03 11:49:16
tarfile.py	File	93.34 KB	0755	2026-03-03 11:49:16
telnetlib.py	File	22.71 KB	0644	2026-03-03 11:49:16
tempfile.py	File	32.15 KB	0644	2026-03-03 11:49:16
textwrap.py	File	18.95 KB	0644	2026-03-03 11:49:16
this.py	File	1003 B	0644	2026-03-03 11:49:16
threading.py	File	49.63 KB	0644	2026-03-03 11:49:16
timeit.py	File	13.16 KB	0755	2026-03-03 11:49:16
token.py	File	2.31 KB	0644	2026-03-03 11:49:16
tokenize.py	File	25.24 KB	0644	2026-03-03 11:49:16
trace.py	File	29.16 KB	0755	2026-03-03 11:49:16
traceback.py	File	23.06 KB	0644	2026-03-03 11:49:16
tracemalloc.py	File	16.68 KB	0644	2026-03-03 11:49:16
tty.py	File	879 B	0644	2026-03-03 11:49:16
turtle.py	File	140.35 KB	0644	2026-03-03 11:49:16
types.py	File	9.49 KB	0644	2026-03-03 11:49:16
typing.py	File	67.35 KB	0644	2026-03-03 11:49:16
uu.py	File	6.79 KB	0755	2026-03-03 11:49:16
uuid.py	File	29.75 KB	0644	2026-03-03 11:49:16
warnings.py	File	19.23 KB	0644	2026-03-03 11:49:16
wave.py	File	17.8 KB	0644	2026-03-03 11:49:16
weakref.py	File	20.89 KB	0644	2026-03-03 11:49:16
webbrowser.py	File	23.52 KB	0755	2026-03-03 11:49:16
xdrlib.py	File	5.77 KB	0644	2026-03-03 11:49:16
zipapp.py	File	7.36 KB	0644	2026-03-03 11:49:16
zipfile.py	File	87.05 KB	0644	2026-03-03 11:49:16
zipimport.py	File	30.04 KB	0644	2026-03-03 11:49:16

"""Macintosh binhex compression/decompression.

easy interface:
binhex(inputfilename, outputfilename)
hexbin(inputfilename, outputfilename)
"""

#
# Jack Jansen, CWI, August 1995.
#
# The module is supposed to be as compatible as possible. Especially the
# easy interface should work "as expected" on any platform.
# XXXX Note: currently, textfiles appear in mac-form on all platforms.
# We seem to lack a simple character-translate in python.
# (we should probably use ISO-Latin-1 on all but the mac platform).
# XXXX The simple routines are too simple: they expect to hold the complete
# files in-core. Should be fixed.
# XXXX It would be nice to handle AppleDouble format on unix
# (for servers serving macs).
# XXXX I don't understand what happens when you get 0x90 times the same byte on
# input. The resulting code (xx 90 90) would appear to be interpreted as an
# escaped *value* of 0x90. All coders I've seen appear to ignore this nicety...
#
import io
import os
import struct
import binascii

__all__ = ["binhex","hexbin","Error"]

class Error(Exception):
    pass

# States (what have we written)
_DID_HEADER = 0
_DID_DATA = 1

# Various constants
REASONABLY_LARGE = 32768  # Minimal amount we pass the rle-coder
LINELEN = 64
RUNCHAR = b"\x90"

#
# This code is no longer byte-order dependent

class FInfo:
    def __init__(self):
        self.Type = '????'
        self.Creator = '????'
        self.Flags = 0

def getfileinfo(name):
    finfo = FInfo()
    with io.open(name, 'rb') as fp:
        # Quick check for textfile
        data = fp.read(512)
        if 0 not in data:
            finfo.Type = 'TEXT'
        fp.seek(0, 2)
        dsize = fp.tell()
    dir, file = os.path.split(name)
    file = file.replace(':', '-', 1)
    return file, finfo, dsize, 0

class openrsrc:
    def __init__(self, *args):
        pass

def read(self, *args):
        return b''

def write(self, *args):
        pass

def close(self):
        pass

class _Hqxcoderengine:
    """Write data to the coder in 3-byte chunks"""

def __init__(self, ofp):
        self.ofp = ofp
        self.data = b''
        self.hqxdata = b''
        self.linelen = LINELEN - 1

def write(self, data):
        self.data = self.data + data
        datalen = len(self.data)
        todo = (datalen // 3) * 3
        data = self.data[:todo]
        self.data = self.data[todo:]
        if not data:
            return
        self.hqxdata = self.hqxdata + binascii.b2a_hqx(data)
        self._flush(0)

def _flush(self, force):
        first = 0
        while first <= len(self.hqxdata) - self.linelen:
            last = first + self.linelen
            self.ofp.write(self.hqxdata[first:last] + b'\r')
            self.linelen = LINELEN
            first = last
        self.hqxdata = self.hqxdata[first:]
        if force:
            self.ofp.write(self.hqxdata + b':\r')

def close(self):
        if self.data:
            self.hqxdata = self.hqxdata + binascii.b2a_hqx(self.data)
        self._flush(1)
        self.ofp.close()
        del self.ofp

class _Rlecoderengine:
    """Write data to the RLE-coder in suitably large chunks"""

def __init__(self, ofp):
        self.ofp = ofp
        self.data = b''

def write(self, data):
        self.data = self.data + data
        if len(self.data) < REASONABLY_LARGE:
            return
        rledata = binascii.rlecode_hqx(self.data)
        self.ofp.write(rledata)
        self.data = b''

def close(self):
        if self.data:
            rledata = binascii.rlecode_hqx(self.data)
            self.ofp.write(rledata)
        self.ofp.close()
        del self.ofp

class BinHex:
    def __init__(self, name_finfo_dlen_rlen, ofp):
        name, finfo, dlen, rlen = name_finfo_dlen_rlen
        close_on_error = False
        if isinstance(ofp, str):
            ofname = ofp
            ofp = io.open(ofname, 'wb')
            close_on_error = True
        try:
            ofp.write(b'(This file must be converted with BinHex 4.0)\r\r:')
            hqxer = _Hqxcoderengine(ofp)
            self.ofp = _Rlecoderengine(hqxer)
            self.crc = 0
            if finfo is None:
                finfo = FInfo()
            self.dlen = dlen
            self.rlen = rlen
            self._writeinfo(name, finfo)
            self.state = _DID_HEADER
        except:
            if close_on_error:
                ofp.close()
            raise

def _writeinfo(self, name, finfo):
        nl = len(name)
        if nl > 63:
            raise Error('Filename too long')
        d = bytes([nl]) + name.encode("latin-1") + b'\0'
        tp, cr = finfo.Type, finfo.Creator
        if isinstance(tp, str):
            tp = tp.encode("latin-1")
        if isinstance(cr, str):
            cr = cr.encode("latin-1")
        d2 = tp + cr

# Force all structs to be packed with big-endian
        d3 = struct.pack('>h', finfo.Flags)
        d4 = struct.pack('>ii', self.dlen, self.rlen)
        info = d + d2 + d3 + d4
        self._write(info)
        self._writecrc()

def _write(self, data):
        self.crc = binascii.crc_hqx(data, self.crc)
        self.ofp.write(data)

def _writecrc(self):
        # XXXX Should this be here??
        # self.crc = binascii.crc_hqx('\0\0', self.crc)
        if self.crc < 0:
            fmt = '>h'
        else:
            fmt = '>H'
        self.ofp.write(struct.pack(fmt, self.crc))
        self.crc = 0

def write(self, data):
        if self.state != _DID_HEADER:
            raise Error('Writing data at the wrong time')
        self.dlen = self.dlen - len(data)
        self._write(data)

def close_data(self):
        if self.dlen != 0:
            raise Error('Incorrect data size, diff=%r' % (self.rlen,))
        self._writecrc()
        self.state = _DID_DATA

def write_rsrc(self, data):
        if self.state < _DID_DATA:
            self.close_data()
        if self.state != _DID_DATA:
            raise Error('Writing resource data at the wrong time')
        self.rlen = self.rlen - len(data)
        self._write(data)

def close(self):
        if self.state is None:
            return
        try:
            if self.state < _DID_DATA:
                self.close_data()
            if self.state != _DID_DATA:
                raise Error('Close at the wrong time')
            if self.rlen != 0:
                raise Error("Incorrect resource-datasize, diff=%r" % (self.rlen,))
            self._writecrc()
        finally:
            self.state = None
            ofp = self.ofp
            del self.ofp
            ofp.close()

def binhex(inp, out):
    """binhex(infilename, outfilename): create binhex-encoded copy of a file"""
    finfo = getfileinfo(inp)
    ofp = BinHex(finfo, out)

with io.open(inp, 'rb') as ifp:
        # XXXX Do textfile translation on non-mac systems
        while True:
            d = ifp.read(128000)
            if not d: break
            ofp.write(d)
        ofp.close_data()

ifp = openrsrc(inp, 'rb')
    while True:
        d = ifp.read(128000)
        if not d: break
        ofp.write_rsrc(d)
    ofp.close()
    ifp.close()

class _Hqxdecoderengine:
    """Read data via the decoder in 4-byte chunks"""

def __init__(self, ifp):
        self.ifp = ifp
        self.eof = 0

def read(self, totalwtd):
        """Read at least wtd bytes (or until EOF)"""
        decdata = b''
        wtd = totalwtd
        #
        # The loop here is convoluted, since we don't really now how
        # much to decode: there may be newlines in the incoming data.
        while wtd > 0:
            if self.eof: return decdata
            wtd = ((wtd + 2) // 3) * 4
            data = self.ifp.read(wtd)
            #
            # Next problem: there may not be a complete number of
            # bytes in what we pass to a2b. Solve by yet another
            # loop.
            #
            while True:
                try:
                    decdatacur, self.eof = binascii.a2b_hqx(data)
                    break
                except binascii.Incomplete:
                    pass
                newdata = self.ifp.read(1)
                if not newdata:
                    raise Error('Premature EOF on binhex file')
                data = data + newdata
            decdata = decdata + decdatacur
            wtd = totalwtd - len(decdata)
            if not decdata and not self.eof:
                raise Error('Premature EOF on binhex file')
        return decdata

def close(self):
        self.ifp.close()

class _Rledecoderengine:
    """Read data via the RLE-coder"""

def __init__(self, ifp):
        self.ifp = ifp
        self.pre_buffer = b''
        self.post_buffer = b''
        self.eof = 0

def read(self, wtd):
        if wtd > len(self.post_buffer):
            self._fill(wtd - len(self.post_buffer))
        rv = self.post_buffer[:wtd]
        self.post_buffer = self.post_buffer[wtd:]
        return rv

def _fill(self, wtd):
        self.pre_buffer = self.pre_buffer + self.ifp.read(wtd + 4)
        if self.ifp.eof:
            self.post_buffer = self.post_buffer + \
                binascii.rledecode_hqx(self.pre_buffer)
            self.pre_buffer = b''
            return

#
        # Obfuscated code ahead. We have to take care that we don't
        # end up with an orphaned RUNCHAR later on. So, we keep a couple
        # of bytes in the buffer, depending on what the end of
        # the buffer looks like:
        # '\220\0\220' - Keep 3 bytes: repeated \220 (escaped as \220\0)
        # '?\220' - Keep 2 bytes: repeated something-else
        # '\220\0' - Escaped \220: Keep 2 bytes.
        # '?\220?' - Complete repeat sequence: decode all
        # otherwise: keep 1 byte.
        #
        mark = len(self.pre_buffer)
        if self.pre_buffer[-3:] == RUNCHAR + b'\0' + RUNCHAR:
            mark = mark - 3
        elif self.pre_buffer[-1:] == RUNCHAR:
            mark = mark - 2
        elif self.pre_buffer[-2:] == RUNCHAR + b'\0':
            mark = mark - 2
        elif self.pre_buffer[-2:-1] == RUNCHAR:
            pass # Decode all
        else:
            mark = mark - 1

self.post_buffer = self.post_buffer + \
            binascii.rledecode_hqx(self.pre_buffer[:mark])
        self.pre_buffer = self.pre_buffer[mark:]

def close(self):
        self.ifp.close()

class HexBin:
    def __init__(self, ifp):
        if isinstance(ifp, str):
            ifp = io.open(ifp, 'rb')
        #
        # Find initial colon.
        #
        while True:
            ch = ifp.read(1)
            if not ch:
                raise Error("No binhex data found")
            # Cater for \r\n terminated lines (which show up as \n\r, hence
            # all lines start with \r)
            if ch == b'\r':
                continue
            if ch == b':':
                break

hqxifp = _Hqxdecoderengine(ifp)
        self.ifp = _Rledecoderengine(hqxifp)
        self.crc = 0
        self._readheader()

def _read(self, len):
        data = self.ifp.read(len)
        self.crc = binascii.crc_hqx(data, self.crc)
        return data

def _checkcrc(self):
        filecrc = struct.unpack('>h', self.ifp.read(2))[0] & 0xffff
        #self.crc = binascii.crc_hqx('\0\0', self.crc)
        # XXXX Is this needed??
        self.crc = self.crc & 0xffff
        if filecrc != self.crc:
            raise Error('CRC error, computed %x, read %x'
                        % (self.crc, filecrc))
        self.crc = 0

def _readheader(self):
        len = self._read(1)
        fname = self._read(ord(len))
        rest = self._read(1 + 4 + 4 + 2 + 4 + 4)
        self._checkcrc()

type = rest[1:5]
        creator = rest[5:9]
        flags = struct.unpack('>h', rest[9:11])[0]
        self.dlen = struct.unpack('>l', rest[11:15])[0]
        self.rlen = struct.unpack('>l', rest[15:19])[0]

self.FName = fname
        self.FInfo = FInfo()
        self.FInfo.Creator = creator
        self.FInfo.Type = type
        self.FInfo.Flags = flags

self.state = _DID_HEADER

def read(self, *n):
        if self.state != _DID_HEADER:
            raise Error('Read data at wrong time')
        if n:
            n = n[0]
            n = min(n, self.dlen)
        else:
            n = self.dlen
        rv = b''
        while len(rv) < n:
            rv = rv + self._read(n-len(rv))
        self.dlen = self.dlen - n
        return rv

def close_data(self):
        if self.state != _DID_HEADER:
            raise Error('close_data at wrong time')
        if self.dlen:
            dummy = self._read(self.dlen)
        self._checkcrc()
        self.state = _DID_DATA

def read_rsrc(self, *n):
        if self.state == _DID_HEADER:
            self.close_data()
        if self.state != _DID_DATA:
            raise Error('Read resource data at wrong time')
        if n:
            n = n[0]
            n = min(n, self.rlen)
        else:
            n = self.rlen
        self.rlen = self.rlen - n
        return self._read(n)

def close(self):
        if self.state is None:
            return
        try:
            if self.rlen:
                dummy = self.read_rsrc(self.rlen)
            self._checkcrc()
        finally:
            self.state = None
            self.ifp.close()

def hexbin(inp, out):
    """hexbin(infilename, outfilename) - Decode binhexed file"""
    ifp = HexBin(inp)
    finfo = ifp.FInfo
    if not out:
        out = ifp.FName

with io.open(out, 'wb') as ofp:
        # XXXX Do translation on non-mac systems
        while True:
            d = ifp.read(128000)
            if not d: break
            ofp.write(d)
    ifp.close_data()

d = ifp.read_rsrc(128000)
    if d:
        ofp = openrsrc(out, 'wb')
        ofp.write(d)
        while True:
            d = ifp.read_rsrc(128000)
            if not d: break
            ofp.write(d)
        ofp.close()

ifp.close()

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