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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
_pyrepl	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
asyncio	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
collections	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
concurrent	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
config-3.13-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
ctypes	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
curses	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
dbm	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
email	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
encodings	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
ensurepip	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
html	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
http	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
importlib	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
json	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
lib-dynload	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
logging	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
multiprocessing	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
pathlib	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
pydoc_data	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
re	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
site-packages	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
sqlite3	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
sysconfig	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
tomllib	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
unittest	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
urllib	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
venv	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
wsgiref	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
xml	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
xmlrpc	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
zipfile	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
zoneinfo	[ DIR ]	drwxr-xr-x	2026-09-04 12:14
LICENSE.txt	13.49 KB	-rw-r--r--	2026-08-05 12:25
__future__.py	5.1 KB	-rw-r--r--	2026-08-07 10:24
__hello__.py	227 B	-rw-r--r--	2026-08-07 10:24
_aix_support.py	3.93 KB	-rw-r--r--	2026-08-07 10:24
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_collections_abc.py	31.9 KB	-rw-r--r--	2026-08-07 10:24
_colorize.py	3 KB	-rw-r--r--	2026-08-07 10:24
_compat_pickle.py	8.53 KB	-rw-r--r--	2026-08-07 10:24
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_sysconfigdata_d_linux_x86_64-linux-gnu.py	66.68 KB	-rw-r--r--	2026-08-07 10:24
_threading_local.py	4.26 KB	-rw-r--r--	2026-08-07 10:24
_weakrefset.py	5.75 KB	-rw-r--r--	2026-08-07 10:24
abc.py	6.38 KB	-rw-r--r--	2026-08-07 10:24
antigravity.py	500 B	-rw-r--r--	2026-08-07 10:24
argparse.py	100.54 KB	-rw-r--r--	2026-08-07 10:24
ast.py	63.81 KB	-rw-r--r--	2026-08-07 10:24
base64.py	21.81 KB	-rwxr-xr-x	2026-08-07 10:24
bdb.py	35.25 KB	-rw-r--r--	2026-08-07 10:24
bisect.py	3.34 KB	-rw-r--r--	2026-08-07 10:24
bz2.py	11.69 KB	-rw-r--r--	2026-08-07 10:24
cProfile.py	6.48 KB	-rwxr-xr-x	2026-08-07 10:24
calendar.py	25.47 KB	-rw-r--r--	2026-08-07 10:24
cmd.py	14.96 KB	-rw-r--r--	2026-08-07 10:24
code.py	12.86 KB	-rw-r--r--	2026-08-07 10:24
codecs.py	36.11 KB	-rw-r--r--	2026-08-07 10:24
codeop.py	5.69 KB	-rw-r--r--	2026-08-07 10:24
colorsys.py	3.97 KB	-rw-r--r--	2026-08-07 10:24
compileall.py	20.18 KB	-rw-r--r--	2026-08-07 10:24
configparser.py	53.13 KB	-rw-r--r--	2026-08-07 10:24
contextlib.py	27.15 KB	-rw-r--r--	2026-08-07 10:24
contextvars.py	129 B	-rw-r--r--	2026-08-07 10:24
copy.py	8.76 KB	-rw-r--r--	2026-08-07 10:24
copyreg.py	7.44 KB	-rw-r--r--	2026-08-07 10:24
csv.py	19.65 KB	-rw-r--r--	2026-08-07 10:24
dataclasses.py	64.92 KB	-rw-r--r--	2026-08-07 10:24
datetime.py	268 B	-rw-r--r--	2026-08-07 10:24
decimal.py	2.73 KB	-rw-r--r--	2026-08-07 10:24
difflib.py	81.51 KB	-rw-r--r--	2026-08-07 10:24
dis.py	40 KB	-rw-r--r--	2026-08-07 10:24
doctest.py	106.85 KB	-rw-r--r--	2026-08-07 10:24
enum.py	83.62 KB	-rw-r--r--	2026-08-07 10:24
filecmp.py	10.4 KB	-rw-r--r--	2026-08-07 10:24
fileinput.py	15.35 KB	-rw-r--r--	2026-08-07 10:24
fnmatch.py	6.04 KB	-rw-r--r--	2026-08-07 10:24
fractions.py	39.15 KB	-rw-r--r--	2026-08-07 10:24
ftplib.py	34.41 KB	-rw-r--r--	2026-08-07 10:24
functools.py	38.15 KB	-rw-r--r--	2026-08-07 10:24
genericpath.py	6.1 KB	-rw-r--r--	2026-08-07 10:24
getopt.py	7.31 KB	-rw-r--r--	2026-08-07 10:24
getpass.py	6.09 KB	-rw-r--r--	2026-08-07 10:24
gettext.py	21.03 KB	-rw-r--r--	2026-08-07 10:24
glob.py	20.44 KB	-rw-r--r--	2026-08-07 10:24
graphlib.py	9.42 KB	-rw-r--r--	2026-08-07 10:24
gzip.py	24.03 KB	-rw-r--r--	2026-08-07 10:24
hashlib.py	9.22 KB	-rw-r--r--	2026-08-07 10:24
heapq.py	22.48 KB	-rw-r--r--	2026-08-07 10:24
hmac.py	7.58 KB	-rw-r--r--	2026-08-07 10:24
imaplib.py	58.5 KB	-rw-r--r--	2026-08-07 10:24
inspect.py	126.08 KB	-rw-r--r--	2026-08-07 10:24
io.py	3.5 KB	-rw-r--r--	2026-08-07 10:24
ipaddress.py	79.74 KB	-rw-r--r--	2026-08-07 10:24
keyword.py	1.05 KB	-rw-r--r--	2026-08-07 10:24
linecache.py	7.31 KB	-rw-r--r--	2026-08-07 10:24
locale.py	85.05 KB	-rw-r--r--	2026-08-07 10:24
lzma.py	13.08 KB	-rw-r--r--	2026-08-07 10:24
mailbox.py	79.62 KB	-rw-r--r--	2026-08-07 10:24
mimetypes.py	23.34 KB	-rw-r--r--	2026-08-07 10:24
modulefinder.py	23.23 KB	-rw-r--r--	2026-08-07 10:24
netrc.py	6.87 KB	-rw-r--r--	2026-08-07 10:24
ntpath.py	30.18 KB	-rw-r--r--	2026-08-07 10:24
nturl2path.py	2.32 KB	-rw-r--r--	2026-08-07 10:24
numbers.py	11.49 KB	-rw-r--r--	2026-08-07 10:24
opcode.py	2.76 KB	-rw-r--r--	2026-08-07 10:24
operator.py	10.72 KB	-rw-r--r--	2026-08-07 10:24
optparse.py	58.95 KB	-rw-r--r--	2026-08-07 10:24
os.py	40.65 KB	-rw-r--r--	2026-08-07 10:24
pdb.py	90.37 KB	-rwxr-xr-x	2026-08-07 10:24
pickle.py	65.14 KB	-rw-r--r--	2026-08-07 10:24
pickletools.py	91.85 KB	-rw-r--r--	2026-08-07 10:24
pkgutil.py	17.85 KB	-rw-r--r--	2026-08-07 10:24
platform.py	46.25 KB	-rwxr-xr-x	2026-08-07 10:24
plistlib.py	29.32 KB	-rw-r--r--	2026-08-07 10:24
poplib.py	14.26 KB	-rw-r--r--	2026-08-07 10:24
posixpath.py	17.81 KB	-rw-r--r--	2026-08-07 10:24
pprint.py	23.59 KB	-rw-r--r--	2026-08-07 10:24
profile.py	22.61 KB	-rwxr-xr-x	2026-08-07 10:24
pstats.py	28.61 KB	-rw-r--r--	2026-08-07 10:24
pty.py	5.99 KB	-rw-r--r--	2026-08-07 10:24
py_compile.py	7.65 KB	-rw-r--r--	2026-08-07 10:24
pyclbr.py	11.13 KB	-rw-r--r--	2026-08-07 10:24
pydoc.py	107.98 KB	-rwxr-xr-x	2026-08-07 10:24
queue.py	13.14 KB	-rw-r--r--	2026-08-07 10:24
quopri.py	7.03 KB	-rwxr-xr-x	2026-08-07 10:24
random.py	36.42 KB	-rw-r--r--	2026-08-07 10:24
reprlib.py	7.88 KB	-rw-r--r--	2026-08-07 10:24
rlcompleter.py	7.64 KB	-rw-r--r--	2026-08-07 10:24
runpy.py	12.96 KB	-rw-r--r--	2026-08-07 10:24
sched.py	6.2 KB	-rw-r--r--	2026-08-07 10:24
secrets.py	1.94 KB	-rw-r--r--	2026-08-07 10:24
selectors.py	19 KB	-rw-r--r--	2026-08-07 10:24
shelve.py	8.6 KB	-rw-r--r--	2026-08-07 10:24
shlex.py	13.04 KB	-rw-r--r--	2026-08-07 10:24
shutil.py	55.79 KB	-rw-r--r--	2026-08-07 10:24
signal.py	2.44 KB	-rw-r--r--	2026-08-07 10:24
site.py	24.96 KB	-rw-r--r--	2026-08-07 10:24
smtplib.py	42.9 KB	-rwxr-xr-x	2026-08-07 10:24
socket.py	37.32 KB	-rw-r--r--	2026-08-07 10:24
socketserver.py	27.41 KB	-rw-r--r--	2026-08-07 10:24
sre_compile.py	231 B	-rw-r--r--	2026-08-07 10:24
sre_constants.py	232 B	-rw-r--r--	2026-08-07 10:24
sre_parse.py	229 B	-rw-r--r--	2026-08-07 10:24
ssl.py	51.47 KB	-rw-r--r--	2026-08-07 10:24
stat.py	6.16 KB	-rw-r--r--	2026-08-07 10:24
statistics.py	60.72 KB	-rw-r--r--	2026-08-07 10:24
string.py	11.76 KB	-rw-r--r--	2026-08-07 10:24
stringprep.py	12.61 KB	-rw-r--r--	2026-08-07 10:24
struct.py	257 B	-rw-r--r--	2026-08-07 10:24
subprocess.py	88.7 KB	-rw-r--r--	2026-08-07 10:24
symtable.py	13.87 KB	-rw-r--r--	2026-08-07 10:24
tabnanny.py	11.27 KB	-rwxr-xr-x	2026-08-07 10:24
tarfile.py	114.38 KB	-rwxr-xr-x	2026-08-07 10:24
tempfile.py	31.88 KB	-rw-r--r--	2026-08-07 10:24
textwrap.py	19.49 KB	-rw-r--r--	2026-08-07 10:24
this.py	1003 B	-rw-r--r--	2026-08-07 10:24
threading.py	54.05 KB	-rw-r--r--	2026-08-07 10:24
timeit.py	13.16 KB	-rwxr-xr-x	2026-08-07 10:24
token.py	2.43 KB	-rw-r--r--	2026-08-07 10:24
tokenize.py	21.06 KB	-rw-r--r--	2026-08-07 10:24
trace.py	29.03 KB	-rwxr-xr-x	2026-08-07 10:24
traceback.py	64.82 KB	-rw-r--r--	2026-08-07 10:24
tracemalloc.py	17.62 KB	-rw-r--r--	2026-08-07 10:24
tty.py	1.99 KB	-rw-r--r--	2026-08-07 10:24
types.py	11.06 KB	-rw-r--r--	2026-08-07 10:24
typing.py	130.82 KB	-rw-r--r--	2026-08-07 10:24
uuid.py	28.77 KB	-rw-r--r--	2026-08-07 10:24
warnings.py	26.44 KB	-rw-r--r--	2026-08-07 10:24
wave.py	22.71 KB	-rw-r--r--	2026-08-07 10:24
weakref.py	21.01 KB	-rw-r--r--	2026-08-07 10:24
webbrowser.py	24.22 KB	-rwxr-xr-x	2026-08-07 10:24
zipapp.py	8.42 KB	-rw-r--r--	2026-08-07 10:24
zipimport.py	32.12 KB	-rw-r--r--	2026-08-07 10:24

Rename

"""Thread-local objects.

(Note that this module provides a Python version of the threading.local
 class.  Depending on the version of Python you're using, there may be a
 faster one available.  You should always import the `local` class from
 `threading`.)
"""

from weakref import ref
from contextlib import contextmanager

__all__ = ["local"]

# We need to use objects from the threading module, but the threading
# module may also want to use our `local` class, if support for locals
# isn't compiled in to the `thread` module.  This creates potential problems
# with circular imports.  For that reason, we don't import `threading`
# until the bottom of this file (a hack sufficient to worm around the
# potential problems).  Note that all platforms on CPython do have support
# for locals in the `thread` module, and there is no circular import problem
# then, so problems introduced by fiddling the order of imports here won't
# manifest.

class _localimpl:
    """A class managing thread-local dicts"""
    __slots__ = 'key', 'dicts', 'localargs', 'locallock', '__weakref__'

def __init__(self):
        # The key used in the Thread objects' attribute dicts.
        # We keep it a string for speed but make it unlikely to clash with
        # a "real" attribute.
        self.key = '_threading_local._localimpl.' + str(id(self))
        # { id(Thread) -> (ref(Thread), thread-local dict) }
        self.dicts = {}

def get_dict(self):
        """Return the dict for the current thread. Raises KeyError if none
        defined."""
        thread = current_thread()
        return self.dicts[id(thread)][1]

def create_dict(self):
        """Create a new dict for the current thread, and return it."""
        localdict = {}
        key = self.key
        thread = current_thread()
        idt = id(thread)
        def local_deleted(_, key=key):
            # When the localimpl is deleted, remove the thread attribute.
            thread = wrthread()
            if thread is not None:
                del thread.__dict__[key]
        def thread_deleted(_, idt=idt):
            # When the thread is deleted, remove the local dict.
            # Note that this is suboptimal if the thread object gets
            # caught in a reference loop. We would like to be called
            # as soon as the OS-level thread ends instead.
            local = wrlocal()
            if local is not None:
                dct = local.dicts.pop(idt)
        wrlocal = ref(self, local_deleted)
        wrthread = ref(thread, thread_deleted)
        thread.__dict__[key] = wrlocal
        self.dicts[idt] = wrthread, localdict
        return localdict

@contextmanager
def _patch(self):
    impl = object.__getattribute__(self, '_local__impl')
    try:
        dct = impl.get_dict()
    except KeyError:
        dct = impl.create_dict()
        args, kw = impl.localargs
        self.__init__(*args, **kw)
    with impl.locallock:
        object.__setattr__(self, '__dict__', dct)
        yield

class local:
    __slots__ = '_local__impl', '__dict__'

def __new__(cls, /, *args, **kw):
        if (args or kw) and (cls.__init__ is object.__init__):
            raise TypeError("Initialization arguments are not supported")
        self = object.__new__(cls)
        impl = _localimpl()
        impl.localargs = (args, kw)
        impl.locallock = RLock()
        object.__setattr__(self, '_local__impl', impl)
        # We need to create the thread dict in anticipation of
        # __init__ being called, to make sure we don't call it
        # again ourselves.
        impl.create_dict()
        return self

def __getattribute__(self, name):
        with _patch(self):
            return object.__getattribute__(self, name)

def __setattr__(self, name, value):
        if name == '__dict__':
            raise AttributeError(
                "%r object attribute '__dict__' is read-only"
                % self.__class__.__name__)
        with _patch(self):
            return object.__setattr__(self, name, value)

def __delattr__(self, name):
        if name == '__dict__':
            raise AttributeError(
                "%r object attribute '__dict__' is read-only"
                % self.__class__.__name__)
        with _patch(self):
            return object.__delattr__(self, name)

from threading import current_thread, RLock