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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
_pyrepl	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
asyncio	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
collections	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
concurrent	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
config-3.13-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2026-02-10 10:06
ctypes	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
curses	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
dbm	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
email	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
encodings	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
ensurepip	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
html	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
http	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
importlib	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
json	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
lib-dynload	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
logging	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
multiprocessing	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
pathlib	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
pydoc_data	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
re	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
site-packages	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
sqlite3	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
sysconfig	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
tomllib	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
unittest	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
urllib	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
venv	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
wsgiref	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
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xmlrpc	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
zipfile	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
zoneinfo	[ DIR ]	drwxr-xr-x	2026-02-10 10:05
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__future__.py	5.1 KB	-rw-r--r--	2026-01-10 10:39
__hello__.py	227 B	-rw-r--r--	2026-01-10 10:39
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abc.py	6.38 KB	-rw-r--r--	2026-01-10 10:38
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calendar.py	25.47 KB	-rw-r--r--	2026-01-10 10:39
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csv.py	18.73 KB	-rw-r--r--	2026-01-10 10:38
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datetime.py	268 B	-rw-r--r--	2026-01-10 10:39
decimal.py	2.73 KB	-rw-r--r--	2026-01-10 10:39
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dis.py	40 KB	-rw-r--r--	2026-01-10 10:38
doctest.py	106.85 KB	-rw-r--r--	2026-01-10 10:38
enum.py	83.59 KB	-rw-r--r--	2026-01-10 10:38
filecmp.py	10.4 KB	-rw-r--r--	2026-01-10 10:38
fileinput.py	15.35 KB	-rw-r--r--	2026-01-10 10:38
fnmatch.py	6.04 KB	-rw-r--r--	2026-01-10 10:38
fractions.py	39.15 KB	-rw-r--r--	2026-01-10 10:38
ftplib.py	33.92 KB	-rw-r--r--	2026-01-10 10:38
functools.py	38.15 KB	-rw-r--r--	2026-01-10 10:39
genericpath.py	6.1 KB	-rw-r--r--	2026-01-10 10:39
getopt.py	7.31 KB	-rw-r--r--	2026-01-10 10:39
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gettext.py	21.03 KB	-rw-r--r--	2026-01-10 10:39
glob.py	19.44 KB	-rw-r--r--	2026-01-10 10:38
graphlib.py	9.42 KB	-rw-r--r--	2026-01-10 10:38
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hashlib.py	9.22 KB	-rw-r--r--	2026-01-10 10:39
heapq.py	22.48 KB	-rw-r--r--	2026-01-10 10:38
hmac.py	7.54 KB	-rw-r--r--	2026-01-10 10:38
imaplib.py	53.07 KB	-rw-r--r--	2026-01-10 10:39
inspect.py	125.63 KB	-rw-r--r--	2026-01-10 10:39
io.py	3.5 KB	-rw-r--r--	2026-01-10 10:38
ipaddress.py	79.74 KB	-rw-r--r--	2026-01-10 10:39
keyword.py	1.05 KB	-rw-r--r--	2026-01-10 10:39
linecache.py	7.11 KB	-rw-r--r--	2026-01-10 10:38
locale.py	77.18 KB	-rw-r--r--	2026-01-10 10:39
lzma.py	13.08 KB	-rw-r--r--	2026-01-10 10:39
mailbox.py	79.73 KB	-rw-r--r--	2026-01-10 10:39
mimetypes.py	23.29 KB	-rw-r--r--	2026-01-10 10:39
modulefinder.py	23.23 KB	-rw-r--r--	2026-01-10 10:38
netrc.py	6.87 KB	-rw-r--r--	2026-01-10 10:38
ntpath.py	30.16 KB	-rw-r--r--	2026-01-10 10:38
nturl2path.py	2.32 KB	-rw-r--r--	2026-01-10 10:39
numbers.py	11.49 KB	-rw-r--r--	2026-01-10 10:39
opcode.py	2.76 KB	-rw-r--r--	2026-01-10 10:39
operator.py	10.72 KB	-rw-r--r--	2026-01-10 10:39
optparse.py	58.95 KB	-rw-r--r--	2026-01-10 10:39
os.py	40.65 KB	-rw-r--r--	2026-01-10 10:38
pdb.py	89.84 KB	-rwxr-xr-x	2026-01-10 10:38
pickle.py	65.39 KB	-rw-r--r--	2026-01-10 10:38
pickletools.py	91.85 KB	-rw-r--r--	2026-01-10 10:38
pkgutil.py	17.85 KB	-rw-r--r--	2026-01-10 10:38
platform.py	46.25 KB	-rwxr-xr-x	2026-01-10 10:38
plistlib.py	29.33 KB	-rw-r--r--	2026-01-10 10:38
poplib.py	14.26 KB	-rw-r--r--	2026-01-10 10:38
posixpath.py	17.81 KB	-rw-r--r--	2026-01-10 10:38
pprint.py	23.59 KB	-rw-r--r--	2026-01-10 10:38
profile.py	22.61 KB	-rwxr-xr-x	2026-01-10 10:38
pstats.py	28.61 KB	-rw-r--r--	2026-01-10 10:38
pty.py	5.99 KB	-rw-r--r--	2026-01-10 10:38
py_compile.py	7.65 KB	-rw-r--r--	2026-01-10 10:39
pyclbr.py	11.13 KB	-rw-r--r--	2026-01-10 10:38
pydoc.py	107.58 KB	-rwxr-xr-x	2026-01-10 10:38
queue.py	13.14 KB	-rw-r--r--	2026-01-10 10:39
quopri.py	7.03 KB	-rwxr-xr-x	2026-01-10 10:39
random.py	36.14 KB	-rw-r--r--	2026-01-10 10:38
reprlib.py	7.88 KB	-rw-r--r--	2026-01-10 10:38
rlcompleter.py	7.73 KB	-rw-r--r--	2026-01-10 10:39
runpy.py	12.58 KB	-rw-r--r--	2026-01-10 10:38
sched.py	6.2 KB	-rw-r--r--	2026-01-10 10:39
secrets.py	1.94 KB	-rw-r--r--	2026-01-10 10:38
selectors.py	19 KB	-rw-r--r--	2026-01-10 10:38
shelve.py	8.6 KB	-rw-r--r--	2026-01-10 10:39
shlex.py	13.04 KB	-rw-r--r--	2026-01-10 10:39
shutil.py	56.12 KB	-rw-r--r--	2026-01-10 10:39
signal.py	2.44 KB	-rw-r--r--	2026-01-10 10:39
site.py	24.96 KB	-rw-r--r--	2026-01-10 10:39
smtplib.py	42.9 KB	-rwxr-xr-x	2026-01-10 10:38
socket.py	36.87 KB	-rw-r--r--	2026-01-10 10:39
socketserver.py	27.41 KB	-rw-r--r--	2026-01-10 10:39
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sre_constants.py	232 B	-rw-r--r--	2026-01-10 10:38
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ssl.py	51.47 KB	-rw-r--r--	2026-01-10 10:39
stat.py	6 KB	-rw-r--r--	2026-01-10 10:39
statistics.py	60.72 KB	-rw-r--r--	2026-01-10 10:38
string.py	11.51 KB	-rw-r--r--	2026-01-10 10:39
stringprep.py	12.61 KB	-rw-r--r--	2026-01-10 10:38
struct.py	257 B	-rw-r--r--	2026-01-10 10:38
subprocess.py	88.7 KB	-rw-r--r--	2026-01-10 10:38
symtable.py	13.87 KB	-rw-r--r--	2026-01-10 10:39
tabnanny.py	11.27 KB	-rwxr-xr-x	2026-01-10 10:39
tarfile.py	111.74 KB	-rwxr-xr-x	2026-01-10 10:38
tempfile.py	31.65 KB	-rw-r--r--	2026-01-10 10:38
textwrap.py	19.49 KB	-rw-r--r--	2026-01-10 10:38
this.py	1003 B	-rw-r--r--	2026-01-10 10:38
threading.py	54.05 KB	-rw-r--r--	2026-01-10 10:39
timeit.py	13.16 KB	-rwxr-xr-x	2026-01-10 10:38
token.py	2.43 KB	-rw-r--r--	2026-01-10 10:38
tokenize.py	21.06 KB	-rw-r--r--	2026-01-10 10:39
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traceback.py	65 KB	-rw-r--r--	2026-01-10 10:39
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typing.py	130.14 KB	-rw-r--r--	2026-01-10 10:39
uuid.py	28.77 KB	-rw-r--r--	2026-01-10 10:38
warnings.py	26.44 KB	-rw-r--r--	2026-01-10 10:38
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weakref.py	21.01 KB	-rw-r--r--	2026-01-10 10:39
webbrowser.py	23.73 KB	-rwxr-xr-x	2026-01-10 10:39
zipapp.py	8.42 KB	-rw-r--r--	2026-01-10 10:38
zipimport.py	32.12 KB	-rw-r--r--	2026-01-10 10:39

Rename

#! /opt/alt/python313/bin/python3.13

"""Conversions to/from quoted-printable transport encoding as per RFC 1521."""

# (Dec 1991 version).

__all__ = ["encode", "decode", "encodestring", "decodestring"]

ESCAPE = b'='
MAXLINESIZE = 76
HEX = b'0123456789ABCDEF'
EMPTYSTRING = b''

try:
    from binascii import a2b_qp, b2a_qp
except ImportError:
    a2b_qp = None
    b2a_qp = None

def needsquoting(c, quotetabs, header):
    """Decide whether a particular byte ordinal needs to be quoted.

The 'quotetabs' flag indicates whether embedded tabs and spaces should be
    quoted.  Note that line-ending tabs and spaces are always encoded, as per
    RFC 1521.
    """
    assert isinstance(c, bytes)
    if c in b' \t':
        return quotetabs
    # if header, we have to escape _ because _ is used to escape space
    if c == b'_':
        return header
    return c == ESCAPE or not (b' ' <= c <= b'~')

def quote(c):
    """Quote a single character."""
    assert isinstance(c, bytes) and len(c)==1
    c = ord(c)
    return ESCAPE + bytes((HEX[c//16], HEX[c%16]))

def encode(input, output, quotetabs, header=False):
    """Read 'input', apply quoted-printable encoding, and write to 'output'.

'input' and 'output' are binary file objects. The 'quotetabs' flag
    indicates whether embedded tabs and spaces should be quoted. Note that
    line-ending tabs and spaces are always encoded, as per RFC 1521.
    The 'header' flag indicates whether we are encoding spaces as _ as per RFC
    1522."""

if b2a_qp is not None:
        data = input.read()
        odata = b2a_qp(data, quotetabs=quotetabs, header=header)
        output.write(odata)
        return

def write(s, output=output, lineEnd=b'\n'):
        # RFC 1521 requires that the line ending in a space or tab must have
        # that trailing character encoded.
        if s and s[-1:] in b' \t':
            output.write(s[:-1] + quote(s[-1:]) + lineEnd)
        elif s == b'.':
            output.write(quote(s) + lineEnd)
        else:
            output.write(s + lineEnd)

prevline = None
    while line := input.readline():
        outline = []
        # Strip off any readline induced trailing newline
        stripped = b''
        if line[-1:] == b'\n':
            line = line[:-1]
            stripped = b'\n'
        # Calculate the un-length-limited encoded line
        for c in line:
            c = bytes((c,))
            if needsquoting(c, quotetabs, header):
                c = quote(c)
            if header and c == b' ':
                outline.append(b'_')
            else:
                outline.append(c)
        # First, write out the previous line
        if prevline is not None:
            write(prevline)
        # Now see if we need any soft line breaks because of RFC-imposed
        # length limitations.  Then do the thisline->prevline dance.
        thisline = EMPTYSTRING.join(outline)
        while len(thisline) > MAXLINESIZE:
            # Don't forget to include the soft line break `=' sign in the
            # length calculation!
            write(thisline[:MAXLINESIZE-1], lineEnd=b'=\n')
            thisline = thisline[MAXLINESIZE-1:]
        # Write out the current line
        prevline = thisline
    # Write out the last line, without a trailing newline
    if prevline is not None:
        write(prevline, lineEnd=stripped)

def encodestring(s, quotetabs=False, header=False):
    if b2a_qp is not None:
        return b2a_qp(s, quotetabs=quotetabs, header=header)
    from io import BytesIO
    infp = BytesIO(s)
    outfp = BytesIO()
    encode(infp, outfp, quotetabs, header)
    return outfp.getvalue()

def decode(input, output, header=False):
    """Read 'input', apply quoted-printable decoding, and write to 'output'.
    'input' and 'output' are binary file objects.
    If 'header' is true, decode underscore as space (per RFC 1522)."""

if a2b_qp is not None:
        data = input.read()
        odata = a2b_qp(data, header=header)
        output.write(odata)
        return

new = b''
    while line := input.readline():
        i, n = 0, len(line)
        if n > 0 and line[n-1:n] == b'\n':
            partial = 0; n = n-1
            # Strip trailing whitespace
            while n > 0 and line[n-1:n] in b" \t\r":
                n = n-1
        else:
            partial = 1
        while i < n:
            c = line[i:i+1]
            if c == b'_' and header:
                new = new + b' '; i = i+1
            elif c != ESCAPE:
                new = new + c; i = i+1
            elif i+1 == n and not partial:
                partial = 1; break
            elif i+1 < n and line[i+1:i+2] == ESCAPE:
                new = new + ESCAPE; i = i+2
            elif i+2 < n and ishex(line[i+1:i+2]) and ishex(line[i+2:i+3]):
                new = new + bytes((unhex(line[i+1:i+3]),)); i = i+3
            else: # Bad escape sequence -- leave it in
                new = new + c; i = i+1
        if not partial:
            output.write(new + b'\n')
            new = b''
    if new:
        output.write(new)

def decodestring(s, header=False):
    if a2b_qp is not None:
        return a2b_qp(s, header=header)
    from io import BytesIO
    infp = BytesIO(s)
    outfp = BytesIO()
    decode(infp, outfp, header=header)
    return outfp.getvalue()

# Other helper functions
def ishex(c):
    """Return true if the byte ordinal 'c' is a hexadecimal digit in ASCII."""
    assert isinstance(c, bytes)
    return b'0' <= c <= b'9' or b'a' <= c <= b'f' or b'A' <= c <= b'F'

def unhex(s):
    """Get the integer value of a hexadecimal number."""
    bits = 0
    for c in s:
        c = bytes((c,))
        if b'0' <= c <= b'9':
            i = ord('0')
        elif b'a' <= c <= b'f':
            i = ord('a')-10
        elif b'A' <= c <= b'F':
            i = ord(b'A')-10
        else:
            assert False, "non-hex digit "+repr(c)
        bits = bits*16 + (ord(c) - i)
    return bits

def main():
    import sys
    import getopt
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'td')
    except getopt.error as msg:
        sys.stdout = sys.stderr
        print(msg)
        print("usage: quopri [-t | -d] [file] ...")
        print("-t: quote tabs")
        print("-d: decode; default encode")
        sys.exit(2)
    deco = False
    tabs = False
    for o, a in opts:
        if o == '-t': tabs = True
        if o == '-d': deco = True
    if tabs and deco:
        sys.stdout = sys.stderr
        print("-t and -d are mutually exclusive")
        sys.exit(2)
    if not args: args = ['-']
    sts = 0
    for file in args:
        if file == '-':
            fp = sys.stdin.buffer
        else:
            try:
                fp = open(file, "rb")
            except OSError as msg:
                sys.stderr.write("%s: can't open (%s)\n" % (file, msg))
                sts = 1
                continue
        try:
            if deco:
                decode(fp, sys.stdout.buffer)
            else:
                encode(fp, sys.stdout.buffer, tabs)
        finally:
            if file != '-':
                fp.close()
    if sts:
        sys.exit(sts)

if __name__ == '__main__':
    main()