FM / python3.13

/opt/imh/python3.13/lib/python3.13

Name	Size	Mode	Actions
asyncio/	-	0755	rm
collections/	-	0755	rm
concurrent/	-	0755	rm
config-3.13-x86_64-linux-gnu/	-	0755	rm
ctypes/	-	0755	rm
curses/	-	0755	rm
dbm/	-	0755	rm
email/	-	0755	rm
encodings/	-	0755	rm
ensurepip/	-	0755	rm
html/	-	0755	rm
http/	-	0755	rm
idlelib/	-	0755	rm
importlib/	-	0755	rm
json/	-	0755	rm
lib-dynload/	-	0755	rm
logging/	-	0755	rm
multiprocessing/	-	0755	rm
pathlib/	-	0755	rm
pydoc_data/	-	0755	rm
re/	-	0755	rm
site-packages/	-	0755	rm
sqlite3/	-	0755	rm
sysconfig/	-	0755	rm
tkinter/	-	0755	rm
tomllib/	-	0755	rm
turtledemo/	-	0755	rm
unittest/	-	0755	rm
urllib/	-	0755	rm
venv/	-	0755	rm
wsgiref/	-	0755	rm
xml/	-	0755	rm
xmlrpc/	-	0755	rm
zipfile/	-	0755	rm
zoneinfo/	-	0755	rm
_pyrepl/	-	0755	rm
__phello__/	-	0755	rm
__pycache__/	-	0755	rm
abc.py	6538	0644	edit dl rm
antigravity.py	500	0644	edit dl rm
argparse.py	101661	0644	edit dl rm
ast.py	65339	0644	edit dl rm
base64.py	21630	0755	edit dl rm
bdb.py	35343	0644	edit dl rm
bisect.py	3423	0644	edit dl rm
bz2.py	11969	0644	edit dl rm
calendar.py	26077	0644	edit dl rm
cmd.py	15316	0644	edit dl rm
code.py	13170	0644	edit dl rm
codecs.py	36978	0644	edit dl rm
codeop.py	5828	0644	edit dl rm
colorsys.py	4062	0644	edit dl rm
compileall.py	20665	0644	edit dl rm
configparser.py	53831	0644	edit dl rm
contextlib.py	27801	0644	edit dl rm
contextvars.py	129	0644	edit dl rm
copy.py	8975	0644	edit dl rm
copyreg.py	7614	0644	edit dl rm
cProfile.py	6624	0755	edit dl rm
csv.py	19178	0644	edit dl rm
dataclasses.py	64545	0644	edit dl rm
datetime.py	268	0644	edit dl rm
decimal.py	2798	0644	edit dl rm
difflib.py	83367	0644	edit dl rm
dis.py	40962	0644	edit dl rm
doctest.py	109414	0644	edit dl rm
enum.py	85593	0644	edit dl rm
filecmp.py	10652	0644	edit dl rm
fileinput.py	15717	0644	edit dl rm
fnmatch.py	6180	0644	edit dl rm
fractions.py	40090	0644	edit dl rm
ftplib.py	34735	0644	edit dl rm
functools.py	39123	0644	edit dl rm
genericpath.py	6247	0644	edit dl rm
getopt.py	7488	0644	edit dl rm
getpass.py	6233	0644	edit dl rm
gettext.py	21534	0644	edit dl rm
glob.py	19720	0644	edit dl rm
graphlib.py	9648	0644	edit dl rm
gzip.py	24633	0644	edit dl rm
hashlib.py	9446	0644	edit dl rm
heapq.py	23024	0644	edit dl rm
hmac.py	7716	0644	edit dl rm
imaplib.py	54040	0644	edit dl rm
inspect.py	128276	0644	edit dl rm
io.py	3582	0644	edit dl rm
ipaddress.py	81635	0644	edit dl rm
keyword.py	1073	0644	edit dl rm
LICENSE.txt	13809	0644	edit dl rm
linecache.py	7284	0644	edit dl rm
locale.py	79033	0644	edit dl rm
lzma.py	13399	0644	edit dl rm
mailbox.py	81644	0644	edit dl rm
mimetypes.py	23851	0644	edit dl rm
modulefinder.py	23792	0644	edit dl rm
netrc.py	7031	0644	edit dl rm
ntpath.py	32806	0644	edit dl rm
nturl2path.py	2374	0644	edit dl rm
numbers.py	11769	0644	edit dl rm
opcode.py	2825	0644	edit dl rm
operator.py	10980	0644	edit dl rm
optparse.py	60369	0644	edit dl rm
os.py	41627	0644	edit dl rm
pdb.py	90925	0755	edit dl rm
pickle.py	66957	0644	edit dl rm
pickletools.py	94052	0644	edit dl rm
pkgutil.py	18281	0644	edit dl rm
platform.py	47345	0755	edit dl rm
plistlib.py	29794	0644	edit dl rm
poplib.py	14604	0644	edit dl rm
posixpath.py	18360	0644	edit dl rm
pprint.py	24158	0644	edit dl rm
profile.py	23140	0755	edit dl rm
pstats.py	29296	0644	edit dl rm
pty.py	6137	0644	edit dl rm
pyclbr.py	11396	0644	edit dl rm
pydoc.py	110064	0755	edit dl rm
py_compile.py	7837	0644	edit dl rm
queue.py	13455	0644	edit dl rm
quopri.py	7184	0755	edit dl rm
random.py	37006	0644	edit dl rm
reprlib.py	8068	0644	edit dl rm
rlcompleter.py	7918	0644	edit dl rm
runpy.py	12885	0644	edit dl rm
sched.py	6351	0644	edit dl rm
secrets.py	1984	0644	edit dl rm
selectors.py	19457	0644	edit dl rm
shelve.py	8810	0644	edit dl rm
shlex.py	13353	0644	edit dl rm
shutil.py	57463	0644	edit dl rm
signal.py	2495	0644	edit dl rm
site.py	25568	0644	edit dl rm
smtplib.py	43532	0755	edit dl rm
socket.py	37759	0644	edit dl rm
socketserver.py	28065	0644	edit dl rm
sre_compile.py	231	0644	edit dl rm
sre_constants.py	232	0644	edit dl rm
sre_parse.py	229	0644	edit dl rm
ssl.py	52706	0644	edit dl rm
stat.py	6147	0644	edit dl rm
statistics.py	61831	0644	edit dl rm
string.py	11786	0644	edit dl rm
stringprep.py	12917	0644	edit dl rm
struct.py	257	0644	edit dl rm
subprocess.py	89486	0644	edit dl rm
symtable.py	14207	0644	edit dl rm
tabnanny.py	11532	0755	edit dl rm
tarfile.py	114239	0755	edit dl rm
tempfile.py	32406	0644	edit dl rm
textwrap.py	19939	0644	edit dl rm
this.py	1003	0644	edit dl rm
threading.py	55300	0644	edit dl rm
timeit.py	13464	0755	edit dl rm
token.py	2489	0644	edit dl rm
tokenize.py	21568	0644	edit dl rm
trace.py	29714	0755	edit dl rm
traceback.py	66524	0644	edit dl rm
tracemalloc.py	18047	0644	edit dl rm
tty.py	2035	0644	edit dl rm
turtle.py	145215	0644	edit dl rm
types.py	11207	0644	edit dl rm
typing.py	132718	0644	edit dl rm
uuid.py	29458	0644	edit dl rm
warnings.py	26948	0644	edit dl rm
wave.py	23254	0644	edit dl rm
weakref.py	21513	0644	edit dl rm
webbrowser.py	24285	0755	edit dl rm
zipapp.py	8618	0644	edit dl rm
zipimport.py	32890	0644	edit dl rm
_aix_support.py	4021	0644	edit dl rm
_android_support.py	6895	0644	edit dl rm
_apple_support.py	2256	0644	edit dl rm
_collections_abc.py	32264	0644	edit dl rm
_colorize.py	2848	0644	edit dl rm
_compat_pickle.py	8735	0644	edit dl rm
_compression.py	5681	0644	edit dl rm
_ios_support.py	2672	0644	edit dl rm
_markupbase.py	14653	0644	edit dl rm
_opcode_metadata.py	9265	0644	edit dl rm
_osx_support.py	22023	0644	edit dl rm
_pydatetime.py	91983	0644	edit dl rm
_pydecimal.py	227286	0644	edit dl rm
_pyio.py	93693	0644	edit dl rm
_pylong.py	11830	0644	edit dl rm
_py_abc.py	6189	0644	edit dl rm
_sitebuiltins.py	3128	0644	edit dl rm
_strptime.py	34734	0644	edit dl rm
_sysconfigdata__linux_x86_64-linux-gnu.py	45021	0644	edit dl rm
_threading_local.py	4363	0644	edit dl rm
_weakrefset.py	5893	0644	edit dl rm
__future__.py	5218	0644	edit dl rm
__hello__.py	227	0644	edit dl rm

Edit: /opt/imh/python3.13/lib/python3.13/ntpath.py (32806B)

# Module 'ntpath' -- common operations on WinNT/Win95 pathnames
"""Common pathname manipulations, WindowsNT/95 version.

Instead of importing this module directly, import os and refer to this
module as os.path.
"""

# strings representing various path-related bits and pieces
# These are primarily for export; internally, they are hardcoded.
# Should be set before imports for resolving cyclic dependency.
curdir = '.'
pardir = '..'
extsep = '.'
sep = '\\'
pathsep = ';'
altsep = '/'
defpath = '.;C:\\bin'
devnull = 'nul'

import os
import sys
import genericpath
from genericpath import *

__all__ = ["normcase","isabs","join","splitdrive","splitroot","split","splitext",
           "basename","dirname","commonprefix","getsize","getmtime",
           "getatime","getctime", "islink","exists","lexists","isdir","isfile",
           "ismount","isreserved","expanduser","expandvars","normpath",
           "abspath","curdir","pardir","sep","pathsep","defpath","altsep",
           "extsep","devnull","realpath","supports_unicode_filenames","relpath",
           "samefile", "sameopenfile", "samestat", "commonpath", "isjunction",
           "isdevdrive", "ALLOW_MISSING"]

def _get_bothseps(path):
    if isinstance(path, bytes):
        return b'\\/'
    else:
        return '\\/'

# Normalize the case of a pathname and map slashes to backslashes.
# Other normalizations (such as optimizing '../' away) are not done
# (this is done by normpath).

try:
    from _winapi import (
        LCMapStringEx as _LCMapStringEx,
        LOCALE_NAME_INVARIANT as _LOCALE_NAME_INVARIANT,
        LCMAP_LOWERCASE as _LCMAP_LOWERCASE)

def normcase(s):
        """Normalize case of pathname.

Makes all characters lowercase and all slashes into backslashes.
        """
        s = os.fspath(s)
        if not s:
            return s
        if isinstance(s, bytes):
            encoding = sys.getfilesystemencoding()
            s = s.decode(encoding, 'surrogateescape').replace('/', '\\')
            s = _LCMapStringEx(_LOCALE_NAME_INVARIANT,
                               _LCMAP_LOWERCASE, s)
            return s.encode(encoding, 'surrogateescape')
        else:
            return _LCMapStringEx(_LOCALE_NAME_INVARIANT,
                                  _LCMAP_LOWERCASE,
                                  s.replace('/', '\\'))
except ImportError:
    def normcase(s):
        """Normalize case of pathname.

Makes all characters lowercase and all slashes into backslashes.
        """
        s = os.fspath(s)
        if isinstance(s, bytes):
            return os.fsencode(os.fsdecode(s).replace('/', '\\').lower())
        return s.replace('/', '\\').lower()

def isabs(s):
    """Test whether a path is absolute"""
    s = os.fspath(s)
    if isinstance(s, bytes):
        sep = b'\\'
        altsep = b'/'
        colon_sep = b':\\'
        double_sep = b'\\\\'
    else:
        sep = '\\'
        altsep = '/'
        colon_sep = ':\\'
        double_sep = '\\\\'
    s = s[:3].replace(altsep, sep)
    # Absolute: UNC, device, and paths with a drive and root.
    return s.startswith(colon_sep, 1) or s.startswith(double_sep)

# Join two (or more) paths.
def join(path, *paths):
    path = os.fspath(path)
    if isinstance(path, bytes):
        sep = b'\\'
        seps = b'\\/'
        colon_seps = b':\\/'
    else:
        sep = '\\'
        seps = '\\/'
        colon_seps = ':\\/'
    try:
        result_drive, result_root, result_path = splitroot(path)
        for p in paths:
            p_drive, p_root, p_path = splitroot(p)
            if p_root:
                # Second path is absolute
                if p_drive or not result_drive:
                    result_drive = p_drive
                result_root = p_root
                result_path = p_path
                continue
            elif p_drive and p_drive != result_drive:
                if p_drive.lower() != result_drive.lower():
                    # Different drives => ignore the first path entirely
                    result_drive = p_drive
                    result_root = p_root
                    result_path = p_path
                    continue
                # Same drive in different case
                result_drive = p_drive
            # Second path is relative to the first
            if result_path and result_path[-1] not in seps:
                result_path = result_path + sep
            result_path = result_path + p_path
        ## add separator between UNC and non-absolute path
        if (result_path and not result_root and
            result_drive and result_drive[-1] not in colon_seps):
            return result_drive + sep + result_path
        return result_drive + result_root + result_path
    except (TypeError, AttributeError, BytesWarning):
        genericpath._check_arg_types('join', path, *paths)
        raise

# Split a path in a drive specification (a drive letter followed by a
# colon) and the path specification.
# It is always true that drivespec + pathspec == p
def splitdrive(p):
    """Split a pathname into drive/UNC sharepoint and relative path specifiers.
    Returns a 2-tuple (drive_or_unc, path); either part may be empty.

If you assign
        result = splitdrive(p)
    It is always true that:
        result[0] + result[1] == p

If the path contained a drive letter, drive_or_unc will contain everything
    up to and including the colon.  e.g. splitdrive("c:/dir") returns ("c:", "/dir")

If the path contained a UNC path, the drive_or_unc will contain the host name
    and share up to but not including the fourth directory separator character.
    e.g. splitdrive("//host/computer/dir") returns ("//host/computer", "/dir")

Paths cannot contain both a drive letter and a UNC path.

"""
    drive, root, tail = splitroot(p)
    return drive, root + tail

try:
    from nt import _path_splitroot_ex as splitroot
except ImportError:
    def splitroot(p):
        """Split a pathname into drive, root and tail.

The tail contains anything after the root."""
        p = os.fspath(p)
        if isinstance(p, bytes):
            sep = b'\\'
            altsep = b'/'
            colon = b':'
            unc_prefix = b'\\\\?\\UNC\\'
            empty = b''
        else:
            sep = '\\'
            altsep = '/'
            colon = ':'
            unc_prefix = '\\\\?\\UNC\\'
            empty = ''
        normp = p.replace(altsep, sep)
        if normp[:1] == sep:
            if normp[1:2] == sep:
                # UNC drives, e.g. \\server\share or \\?\UNC\server\share
                # Device drives, e.g. \\.\device or \\?\device
                start = 8 if normp[:8].upper() == unc_prefix else 2
                index = normp.find(sep, start)
                if index == -1:
                    return p, empty, empty
                index2 = normp.find(sep, index + 1)
                if index2 == -1:
                    return p, empty, empty
                return p[:index2], p[index2:index2 + 1], p[index2 + 1:]
            else:
                # Relative path with root, e.g. \Windows
                return empty, p[:1], p[1:]
        elif normp[1:2] == colon:
            if normp[2:3] == sep:
                # Absolute drive-letter path, e.g. X:\Windows
                return p[:2], p[2:3], p[3:]
            else:
                # Relative path with drive, e.g. X:Windows
                return p[:2], empty, p[2:]
        else:
            # Relative path, e.g. Windows
            return empty, empty, p

# Split a path in head (everything up to the last '/') and tail (the
# rest).  After the trailing '/' is stripped, the invariant
# join(head, tail) == p holds.
# The resulting head won't end in '/' unless it is the root.

def split(p):
    """Split a pathname.

Return tuple (head, tail) where tail is everything after the final slash.
    Either part may be empty."""
    p = os.fspath(p)
    seps = _get_bothseps(p)
    d, r, p = splitroot(p)
    # set i to index beyond p's last slash
    i = len(p)
    while i and p[i-1] not in seps:
        i -= 1
    head, tail = p[:i], p[i:]  # now tail has no slashes
    return d + r + head.rstrip(seps), tail

# Split a path in root and extension.
# The extension is everything starting at the last dot in the last
# pathname component; the root is everything before that.
# It is always true that root + ext == p.

def splitext(p):
    p = os.fspath(p)
    if isinstance(p, bytes):
        return genericpath._splitext(p, b'\\', b'/', b'.')
    else:
        return genericpath._splitext(p, '\\', '/', '.')
splitext.__doc__ = genericpath._splitext.__doc__

# Return the tail (basename) part of a path.

def basename(p):
    """Returns the final component of a pathname"""
    return split(p)[1]

# Return the head (dirname) part of a path.

def dirname(p):
    """Returns the directory component of a pathname"""
    return split(p)[0]

# Is a path a mount point?
# Any drive letter root (eg c:\)
# Any share UNC (eg \\server\share)
# Any volume mounted on a filesystem folder
#
# No one method detects all three situations. Historically we've lexically
# detected drive letter roots and share UNCs. The canonical approach to
# detecting mounted volumes (querying the reparse tag) fails for the most
# common case: drive letter roots. The alternative which uses GetVolumePathName
# fails if the drive letter is the result of a SUBST.
try:
    from nt import _getvolumepathname
except ImportError:
    _getvolumepathname = None
def ismount(path):
    """Test whether a path is a mount point (a drive root, the root of a
    share, or a mounted volume)"""
    path = os.fspath(path)
    seps = _get_bothseps(path)
    path = abspath(path)
    drive, root, rest = splitroot(path)
    if drive and drive[0] in seps:
        return not rest
    if root and not rest:
        return True

if _getvolumepathname:
        x = path.rstrip(seps)
        y =_getvolumepathname(path).rstrip(seps)
        return x.casefold() == y.casefold()
    else:
        return False

_reserved_chars = frozenset(
    {chr(i) for i in range(32)} |
    {'"', '*', ':', '<', '>', '?', '|', '/', '\\'}
)

_reserved_names = frozenset(
    {'CON', 'PRN', 'AUX', 'NUL', 'CONIN$', 'CONOUT$'} |
    {f'COM{c}' for c in '123456789\xb9\xb2\xb3'} |
    {f'LPT{c}' for c in '123456789\xb9\xb2\xb3'}
)

def isreserved(path):
    """Return true if the pathname is reserved by the system."""
    # Refer to "Naming Files, Paths, and Namespaces":
    # https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file
    path = os.fsdecode(splitroot(path)[2]).replace(altsep, sep)
    return any(_isreservedname(name) for name in reversed(path.split(sep)))

def _isreservedname(name):
    """Return true if the filename is reserved by the system."""
    # Trailing dots and spaces are reserved.
    if name[-1:] in ('.', ' '):
        return name not in ('.', '..')
    # Wildcards, separators, colon, and pipe (*?"<>/\:|) are reserved.
    # ASCII control characters (0-31) are reserved.
    # Colon is reserved for file streams (e.g. "name:stream[:type]").
    if _reserved_chars.intersection(name):
        return True
    # DOS device names are reserved (e.g. "nul" or "nul .txt"). The rules
    # are complex and vary across Windows versions. On the side of
    # caution, return True for names that may not be reserved.
    return name.partition('.')[0].rstrip(' ').upper() in _reserved_names

# Expand paths beginning with '~' or '~user'.
# '~' means $HOME; '~user' means that user's home directory.
# If the path doesn't begin with '~', or if the user or $HOME is unknown,
# the path is returned unchanged (leaving error reporting to whatever
# function is called with the expanded path as argument).
# See also module 'glob' for expansion of *, ? and [...] in pathnames.
# (A function should also be defined to do full *sh-style environment
# variable expansion.)

def expanduser(path):
    """Expand ~ and ~user constructs.

If user or $HOME is unknown, do nothing."""
    path = os.fspath(path)
    if isinstance(path, bytes):
        seps = b'\\/'
        tilde = b'~'
    else:
        seps = '\\/'
        tilde = '~'
    if not path.startswith(tilde):
        return path
    i, n = 1, len(path)
    while i < n and path[i] not in seps:
        i += 1

if 'USERPROFILE' in os.environ:
        userhome = os.environ['USERPROFILE']
    elif 'HOMEPATH' not in os.environ:
        return path
    else:
        drive = os.environ.get('HOMEDRIVE', '')
        userhome = join(drive, os.environ['HOMEPATH'])

if i != 1: #~user
        target_user = path[1:i]
        if isinstance(target_user, bytes):
            target_user = os.fsdecode(target_user)
        current_user = os.environ.get('USERNAME')

if target_user != current_user:
            # Try to guess user home directory.  By default all user
            # profile directories are located in the same place and are
            # named by corresponding usernames.  If userhome isn't a
            # normal profile directory, this guess is likely wrong,
            # so we bail out.
            if current_user != basename(userhome):
                return path
            userhome = join(dirname(userhome), target_user)

if isinstance(path, bytes):
        userhome = os.fsencode(userhome)

return userhome + path[i:]

# Expand paths containing shell variable substitutions.
# The following rules apply:
#       - no expansion within single quotes
#       - '$$' is translated into '$'
#       - '%%' is translated into '%' if '%%' are not seen in %var1%%var2%
#       - ${varname} is accepted.
#       - $varname is accepted.
#       - %varname% is accepted.
#       - varnames can be made out of letters, digits and the characters '_-'
#         (though is not verified in the ${varname} and %varname% cases)
# XXX With COMMAND.COM you can use any characters in a variable name,
# XXX except '^|<>='.

def expandvars(path):
    """Expand shell variables of the forms $var, ${var} and %var%.

Unknown variables are left unchanged."""
    path = os.fspath(path)
    if isinstance(path, bytes):
        if b'$' not in path and b'%' not in path:
            return path
        import string
        varchars = bytes(string.ascii_letters + string.digits + '_-', 'ascii')
        quote = b'\''
        percent = b'%'
        brace = b'{'
        rbrace = b'}'
        dollar = b'$'
        environ = getattr(os, 'environb', None)
    else:
        if '$' not in path and '%' not in path:
            return path
        import string
        varchars = string.ascii_letters + string.digits + '_-'
        quote = '\''
        percent = '%'
        brace = '{'
        rbrace = '}'
        dollar = '$'
        environ = os.environ
    res = path[:0]
    index = 0
    pathlen = len(path)
    while index < pathlen:
        c = path[index:index+1]
        if c == quote:   # no expansion within single quotes
            path = path[index + 1:]
            pathlen = len(path)
            try:
                index = path.index(c)
                res += c + path[:index + 1]
            except ValueError:
                res += c + path
                index = pathlen - 1
        elif c == percent:  # variable or '%'
            if path[index + 1:index + 2] == percent:
                res += c
                index += 1
            else:
                path = path[index+1:]
                pathlen = len(path)
                try:
                    index = path.index(percent)
                except ValueError:
                    res += percent + path
                    index = pathlen - 1
                else:
                    var = path[:index]
                    try:
                        if environ is None:
                            value = os.fsencode(os.environ[os.fsdecode(var)])
                        else:
                            value = environ[var]
                    except KeyError:
                        value = percent + var + percent
                    res += value
        elif c == dollar:  # variable or '$$'
            if path[index + 1:index + 2] == dollar:
                res += c
                index += 1
            elif path[index + 1:index + 2] == brace:
                path = path[index+2:]
                pathlen = len(path)
                try:
                    index = path.index(rbrace)
                except ValueError:
                    res += dollar + brace + path
                    index = pathlen - 1
                else:
                    var = path[:index]
                    try:
                        if environ is None:
                            value = os.fsencode(os.environ[os.fsdecode(var)])
                        else:
                            value = environ[var]
                    except KeyError:
                        value = dollar + brace + var + rbrace
                    res += value
            else:
                var = path[:0]
                index += 1
                c = path[index:index + 1]
                while c and c in varchars:
                    var += c
                    index += 1
                    c = path[index:index + 1]
                try:
                    if environ is None:
                        value = os.fsencode(os.environ[os.fsdecode(var)])
                    else:
                        value = environ[var]
                except KeyError:
                    value = dollar + var
                res += value
                if c:
                    index -= 1
        else:
            res += c
        index += 1
    return res

# Normalize a path, e.g. A//B, A/./B and A/foo/../B all become A\B.
# Previously, this function also truncated pathnames to 8+3 format,
# but as this module is called "ntpath", that's obviously wrong!
try:
    from nt import _path_normpath as normpath

except ImportError:
    def normpath(path):
        """Normalize path, eliminating double slashes, etc."""
        path = os.fspath(path)
        if isinstance(path, bytes):
            sep = b'\\'
            altsep = b'/'
            curdir = b'.'
            pardir = b'..'
        else:
            sep = '\\'
            altsep = '/'
            curdir = '.'
            pardir = '..'
        path = path.replace(altsep, sep)
        drive, root, path = splitroot(path)
        prefix = drive + root
        comps = path.split(sep)
        i = 0
        while i < len(comps):
            if not comps[i] or comps[i] == curdir:
                del comps[i]
            elif comps[i] == pardir:
                if i > 0 and comps[i-1] != pardir:
                    del comps[i-1:i+1]
                    i -= 1
                elif i == 0 and root:
                    del comps[i]
                else:
                    i += 1
            else:
                i += 1
        # If the path is now empty, substitute '.'
        if not prefix and not comps:
            comps.append(curdir)
        return prefix + sep.join(comps)

# Return an absolute path.
try:
    from nt import _getfullpathname

except ImportError: # not running on Windows - mock up something sensible
    def abspath(path):
        """Return the absolute version of a path."""
        path = os.fspath(path)
        if not isabs(path):
            if isinstance(path, bytes):
                cwd = os.getcwdb()
            else:
                cwd = os.getcwd()
            path = join(cwd, path)
        return normpath(path)

else:  # use native Windows method on Windows
    def abspath(path):
        """Return the absolute version of a path."""
        try:
            return _getfullpathname(normpath(path))
        except (OSError, ValueError):
            # See gh-75230, handle outside for cleaner traceback
            pass
        path = os.fspath(path)
        if not isabs(path):
            if isinstance(path, bytes):
                sep = b'\\'
                getcwd = os.getcwdb
            else:
                sep = '\\'
                getcwd = os.getcwd
            drive, root, path = splitroot(path)
            # Either drive or root can be nonempty, but not both.
            if drive or root:
                try:
                    path = join(_getfullpathname(drive + root), path)
                except (OSError, ValueError):
                    # Drive "\0:" cannot exist; use the root directory.
                    path = drive + sep + path
            else:
                path = join(getcwd(), path)
        return normpath(path)

try:
    from nt import _findfirstfile, _getfinalpathname, readlink as _nt_readlink
except ImportError:
    # realpath is a no-op on systems without _getfinalpathname support.
    def realpath(path, *, strict=False):
        return abspath(path)
else:
    def _readlink_deep(path, ignored_error=OSError):
        # These error codes indicate that we should stop reading links and
        # return the path we currently have.
        # 1: ERROR_INVALID_FUNCTION
        # 2: ERROR_FILE_NOT_FOUND
        # 3: ERROR_DIRECTORY_NOT_FOUND
        # 5: ERROR_ACCESS_DENIED
        # 21: ERROR_NOT_READY (implies drive with no media)
        # 32: ERROR_SHARING_VIOLATION (probably an NTFS paging file)
        # 50: ERROR_NOT_SUPPORTED (implies no support for reparse points)
        # 67: ERROR_BAD_NET_NAME (implies remote server unavailable)
        # 87: ERROR_INVALID_PARAMETER
        # 4390: ERROR_NOT_A_REPARSE_POINT
        # 4392: ERROR_INVALID_REPARSE_DATA
        # 4393: ERROR_REPARSE_TAG_INVALID
        allowed_winerror = 1, 2, 3, 5, 21, 32, 50, 67, 87, 4390, 4392, 4393

seen = set()
        while normcase(path) not in seen:
            seen.add(normcase(path))
            try:
                old_path = path
                path = _nt_readlink(path)
                # Links may be relative, so resolve them against their
                # own location
                if not isabs(path):
                    # If it's something other than a symlink, we don't know
                    # what it's actually going to be resolved against, so
                    # just return the old path.
                    if not islink(old_path):
                        path = old_path
                        break
                    path = normpath(join(dirname(old_path), path))
            except ignored_error as ex:
                if ex.winerror in allowed_winerror:
                    break
                raise
            except ValueError:
                # Stop on reparse points that are not symlinks
                break
        return path

def _getfinalpathname_nonstrict(path, ignored_error=OSError):
        # These error codes indicate that we should stop resolving the path
        # and return the value we currently have.
        # 1: ERROR_INVALID_FUNCTION
        # 2: ERROR_FILE_NOT_FOUND
        # 3: ERROR_DIRECTORY_NOT_FOUND
        # 5: ERROR_ACCESS_DENIED
        # 21: ERROR_NOT_READY (implies drive with no media)
        # 32: ERROR_SHARING_VIOLATION (probably an NTFS paging file)
        # 50: ERROR_NOT_SUPPORTED
        # 53: ERROR_BAD_NETPATH
        # 65: ERROR_NETWORK_ACCESS_DENIED
        # 67: ERROR_BAD_NET_NAME (implies remote server unavailable)
        # 87: ERROR_INVALID_PARAMETER
        # 123: ERROR_INVALID_NAME
        # 161: ERROR_BAD_PATHNAME
        # 1005: ERROR_UNRECOGNIZED_VOLUME
        # 1920: ERROR_CANT_ACCESS_FILE
        # 1921: ERROR_CANT_RESOLVE_FILENAME (implies unfollowable symlink)
        allowed_winerror = 1, 2, 3, 5, 21, 32, 50, 53, 65, 67, 87, 123, 161, 1005, 1920, 1921

# Non-strict algorithm is to find as much of the target directory
        # as we can and join the rest.
        tail = path[:0]
        while path:
            try:
                path = _getfinalpathname(path)
                return join(path, tail) if tail else path
            except ignored_error as ex:
                if ex.winerror not in allowed_winerror:
                    raise
                try:
                    # The OS could not resolve this path fully, so we attempt
                    # to follow the link ourselves. If we succeed, join the tail
                    # and return.
                    new_path = _readlink_deep(path,
                                              ignored_error=ignored_error)
                    if new_path != path:
                        return join(new_path, tail) if tail else new_path
                except ignored_error:
                    # If we fail to readlink(), let's keep traversing
                    pass
                # If we get these errors, try to get the real name of the file without accessing it.
                if ex.winerror in (1, 5, 32, 50, 87, 1920, 1921):
                    try:
                        name = _findfirstfile(path)
                        path, _ = split(path)
                    except ignored_error:
                        path, name = split(path)
                else:
                    path, name = split(path)
                if path and not name:
                    return path + tail
                tail = join(name, tail) if tail else name
        return tail

def realpath(path, *, strict=False):
        path = normpath(path)
        if isinstance(path, bytes):
            prefix = b'\\\\?\\'
            unc_prefix = b'\\\\?\\UNC\\'
            new_unc_prefix = b'\\\\'
            cwd = os.getcwdb()
            # bpo-38081: Special case for realpath(b'nul')
            devnull = b'nul'
            if normcase(path) == devnull:
                return b'\\\\.\\NUL'
        else:
            prefix = '\\\\?\\'
            unc_prefix = '\\\\?\\UNC\\'
            new_unc_prefix = '\\\\'
            cwd = os.getcwd()
            # bpo-38081: Special case for realpath('nul')
            devnull = 'nul'
            if normcase(path) == devnull:
                return '\\\\.\\NUL'
        had_prefix = path.startswith(prefix)

if strict is ALLOW_MISSING:
            ignored_error = FileNotFoundError
            strict = True
        elif strict:
            ignored_error = ()
        else:
            ignored_error = OSError

if not had_prefix and not isabs(path):
            path = join(cwd, path)
        try:
            path = _getfinalpathname(path)
            initial_winerror = 0
        except ValueError as ex:
            # gh-106242: Raised for embedded null characters
            # In strict modes, we convert into an OSError.
            # Non-strict mode returns the path as-is, since we've already
            # made it absolute.
            if strict:
                raise OSError(str(ex)) from None
            path = normpath(path)
        except ignored_error as ex:
            initial_winerror = ex.winerror
            path = _getfinalpathname_nonstrict(path,
                                               ignored_error=ignored_error)
        # The path returned by _getfinalpathname will always start with \\?\ -
        # strip off that prefix unless it was already provided on the original
        # path.
        if not had_prefix and path.startswith(prefix):
            # For UNC paths, the prefix will actually be \\?\UNC\
            # Handle that case as well.
            if path.startswith(unc_prefix):
                spath = new_unc_prefix + path[len(unc_prefix):]
            else:
                spath = path[len(prefix):]
            # Ensure that the non-prefixed path resolves to the same path
            try:
                if _getfinalpathname(spath) == path:
                    path = spath
            except ValueError as ex:
                # Unexpected, as an invalid path should not have gained a prefix
                # at any point, but we ignore this error just in case.
                pass
            except OSError as ex:
                # If the path does not exist and originally did not exist, then
                # strip the prefix anyway.
                if ex.winerror == initial_winerror:
                    path = spath
        return path

# All supported version have Unicode filename support.
supports_unicode_filenames = True

def relpath(path, start=None):
    """Return a relative version of a path"""
    path = os.fspath(path)
    if not path:
        raise ValueError("no path specified")

if isinstance(path, bytes):
        sep = b'\\'
        curdir = b'.'
        pardir = b'..'
    else:
        sep = '\\'
        curdir = '.'
        pardir = '..'

if start is None:
        start = curdir
    else:
        start = os.fspath(start)

try:
        start_abs = abspath(start)
        path_abs = abspath(path)
        start_drive, _, start_rest = splitroot(start_abs)
        path_drive, _, path_rest = splitroot(path_abs)
        if normcase(start_drive) != normcase(path_drive):
            raise ValueError("path is on mount %r, start on mount %r" % (
                path_drive, start_drive))

start_list = start_rest.split(sep) if start_rest else []
        path_list = path_rest.split(sep) if path_rest else []
        # Work out how much of the filepath is shared by start and path.
        i = 0
        for e1, e2 in zip(start_list, path_list):
            if normcase(e1) != normcase(e2):
                break
            i += 1

rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
        if not rel_list:
            return curdir
        return sep.join(rel_list)
    except (TypeError, ValueError, AttributeError, BytesWarning, DeprecationWarning):
        genericpath._check_arg_types('relpath', path, start)
        raise

# Return the longest common sub-path of the iterable of paths given as input.
# The function is case-insensitive and 'separator-insensitive', i.e. if the
# only difference between two paths is the use of '\' versus '/' as separator,
# they are deemed to be equal.
#
# However, the returned path will have the standard '\' separator (even if the
# given paths had the alternative '/' separator) and will have the case of the
# first path given in the iterable. Additionally, any trailing separator is
# stripped from the returned path.

def commonpath(paths):
    """Given an iterable of path names, returns the longest common sub-path."""
    paths = tuple(map(os.fspath, paths))
    if not paths:
        raise ValueError('commonpath() arg is an empty iterable')

if isinstance(paths[0], bytes):
        sep = b'\\'
        altsep = b'/'
        curdir = b'.'
    else:
        sep = '\\'
        altsep = '/'
        curdir = '.'

try:
        drivesplits = [splitroot(p.replace(altsep, sep).lower()) for p in paths]
        split_paths = [p.split(sep) for d, r, p in drivesplits]

# Check that all drive letters or UNC paths match. The check is made only
        # now otherwise type errors for mixing strings and bytes would not be
        # caught.
        if len({d for d, r, p in drivesplits}) != 1:
            raise ValueError("Paths don't have the same drive")

drive, root, path = splitroot(paths[0].replace(altsep, sep))
        if len({r for d, r, p in drivesplits}) != 1:
            if drive:
                raise ValueError("Can't mix absolute and relative paths")
            else:
                raise ValueError("Can't mix rooted and not-rooted paths")

common = path.split(sep)
        common = [c for c in common if c and c != curdir]

split_paths = [[c for c in s if c and c != curdir] for s in split_paths]
        s1 = min(split_paths)
        s2 = max(split_paths)
        for i, c in enumerate(s1):
            if c != s2[i]:
                common = common[:i]
                break
        else:
            common = common[:len(s1)]

return drive + root + sep.join(common)
    except (TypeError, AttributeError):
        genericpath._check_arg_types('commonpath', *paths)
        raise

try:
    # The isdir(), isfile(), islink(), exists() and lexists() implementations
    # in genericpath use os.stat(). This is overkill on Windows. Use simpler
    # builtin functions if they are available.
    from nt import _path_isdir as isdir
    from nt import _path_isfile as isfile
    from nt import _path_islink as islink
    from nt import _path_isjunction as isjunction
    from nt import _path_exists as exists
    from nt import _path_lexists as lexists
except ImportError:
    # Use genericpath.* as imported above
    pass

try:
    from nt import _path_isdevdrive
    def isdevdrive(path):
        """Determines whether the specified path is on a Windows Dev Drive."""
        try:
            return _path_isdevdrive(abspath(path))
        except OSError:
            return False
except ImportError:
    # Use genericpath.isdevdrive as imported above
    pass

cmd: