ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: opt / bitninja-python-dojo / embedded / lib / python3.9

# Access WeakSet through the weakref module.
# This code is separated-out because it is needed
# by abc.py to load everything else at startup.

from _weakref import ref
from types import GenericAlias

__all__ = ['WeakSet']

class _IterationGuard:
    # This context manager registers itself in the current iterators of the
    # weak container, such as to delay all removals until the context manager
    # exits.
    # This technique should be relatively thread-safe (since sets are).

def __init__(self, weakcontainer):
        # Don't create cycles
        self.weakcontainer = ref(weakcontainer)

def __enter__(self):
        w = self.weakcontainer()
        if w is not None:
            w._iterating.add(self)
        return self

def __exit__(self, e, t, b):
        w = self.weakcontainer()
        if w is not None:
            s = w._iterating
            s.remove(self)
            if not s:
                w._commit_removals()

class WeakSet:
    def __init__(self, data=None):
        self.data = set()
        def _remove(item, selfref=ref(self)):
            self = selfref()
            if self is not None:
                if self._iterating:
                    self._pending_removals.append(item)
                else:
                    self.data.discard(item)
        self._remove = _remove
        # A list of keys to be removed
        self._pending_removals = []
        self._iterating = set()
        if data is not None:
            self.update(data)

def _commit_removals(self):
        pop = self._pending_removals.pop
        discard = self.data.discard
        while True:
            try:
                item = pop()
            except IndexError:
                return
            discard(item)

def __iter__(self):
        with _IterationGuard(self):
            for itemref in self.data:
                item = itemref()
                if item is not None:
                    # Caveat: the iterator will keep a strong reference to
                    # `item` until it is resumed or closed.
                    yield item

def __len__(self):
        return len(self.data) - len(self._pending_removals)

def __contains__(self, item):
        try:
            wr = ref(item)
        except TypeError:
            return False
        return wr in self.data

def __reduce__(self):
        return (self.__class__, (list(self),),
                getattr(self, '__dict__', None))

def add(self, item):
        if self._pending_removals:
            self._commit_removals()
        self.data.add(ref(item, self._remove))

def clear(self):
        if self._pending_removals:
            self._commit_removals()
        self.data.clear()

def copy(self):
        return self.__class__(self)

def pop(self):
        if self._pending_removals:
            self._commit_removals()
        while True:
            try:
                itemref = self.data.pop()
            except KeyError:
                raise KeyError('pop from empty WeakSet') from None
            item = itemref()
            if item is not None:
                return item

def remove(self, item):
        if self._pending_removals:
            self._commit_removals()
        self.data.remove(ref(item))

def discard(self, item):
        if self._pending_removals:
            self._commit_removals()
        self.data.discard(ref(item))

def update(self, other):
        if self._pending_removals:
            self._commit_removals()
        for element in other:
            self.add(element)

def __ior__(self, other):
        self.update(other)
        return self

def difference(self, other):
        newset = self.copy()
        newset.difference_update(other)
        return newset
    __sub__ = difference

def difference_update(self, other):
        self.__isub__(other)
    def __isub__(self, other):
        if self._pending_removals:
            self._commit_removals()
        if self is other:
            self.data.clear()
        else:
            self.data.difference_update(ref(item) for item in other)
        return self

def intersection(self, other):
        return self.__class__(item for item in other if item in self)
    __and__ = intersection

def intersection_update(self, other):
        self.__iand__(other)
    def __iand__(self, other):
        if self._pending_removals:
            self._commit_removals()
        self.data.intersection_update(ref(item) for item in other)
        return self

def issubset(self, other):
        return self.data.issubset(ref(item) for item in other)
    __le__ = issubset

def __lt__(self, other):
        return self.data < set(map(ref, other))

def issuperset(self, other):
        return self.data.issuperset(ref(item) for item in other)
    __ge__ = issuperset

def __gt__(self, other):
        return self.data > set(map(ref, other))

def __eq__(self, other):
        if not isinstance(other, self.__class__):
            return NotImplemented
        return self.data == set(map(ref, other))

def symmetric_difference(self, other):
        newset = self.copy()
        newset.symmetric_difference_update(other)
        return newset
    __xor__ = symmetric_difference

def symmetric_difference_update(self, other):
        self.__ixor__(other)
    def __ixor__(self, other):
        if self._pending_removals:
            self._commit_removals()
        if self is other:
            self.data.clear()
        else:
            self.data.symmetric_difference_update(ref(item, self._remove) for item in other)
        return self

def union(self, other):
        return self.__class__(e for s in (self, other) for e in s)
    __or__ = union

def isdisjoint(self, other):
        return len(self.intersection(other)) == 0

def __repr__(self):
        return repr(self.data)

__class_getitem__ = classmethod(GenericAlias)

[+] ..
[-] __phello__.foo.py [edit]
[-] zipfile.py [edit]
[-] signal.py [edit]
[-] tabnanny.py [edit]
[-] cmd.py [edit]
[-] cProfile.py [edit]
[-] tempfile.py [edit]
[-] argparse.py [edit]
[-] platform.py [edit]
[-] binhex.py [edit]
[-] antigravity.py [edit]
[+] curses
[-] _compat_pickle.py [edit]
[-] statistics.py [edit]
[-] inspect.py [edit]
[-] ipaddress.py [edit]
[-] sunau.py [edit]
[-] imghdr.py [edit]
[-] random.py [edit]
[-] hmac.py [edit]
[-] base64.py [edit]
[-] cgitb.py [edit]
[-] stringprep.py [edit]
[-] ast.py [edit]
[-] textwrap.py [edit]
[-] zipimport.py [edit]
[-] enum.py [edit]
[-] _compression.py [edit]
[-] dis.py [edit]
[+] venv
[-] chunk.py [edit]
[-] this.py [edit]
[-] py_compile.py [edit]
[-] fnmatch.py [edit]
[+] xml
[-] opcode.py [edit]
[+] site-packages
[-] sre_compile.py [edit]
[-] _pyio.py [edit]
[-] graphlib.py [edit]
[-] LICENSE.txt [edit]
[-] pty.py [edit]
[-] datetime.py [edit]
[+] config-3.9-x86_64-linux-gnu
[+] lib2to3
[+] wsgiref
[-] heapq.py [edit]
[-] keyword.py [edit]
[-] codecs.py [edit]
[+] ensurepip
[-] pickletools.py [edit]
[-] compileall.py [edit]
[-] nturl2path.py [edit]
[+] idlelib
[-] warnings.py [edit]
[-] shutil.py [edit]
[-] socket.py [edit]
[-] pdb.py [edit]
[-] dataclasses.py [edit]
[-] zipapp.py [edit]
[-] formatter.py [edit]
[-] _sitebuiltins.py [edit]
[+] zoneinfo
[-] _markupbase.py [edit]
[-] types.py [edit]
[-] runpy.py [edit]
[-] uu.py [edit]
[-] typing.py [edit]
[-] pathlib.py [edit]
[-] _threading_local.py [edit]
[-] mailcap.py [edit]
[+] turtledemo
[-] bisect.py [edit]
[-] linecache.py [edit]
[-] colorsys.py [edit]
[-] glob.py [edit]
[-] sndhdr.py [edit]
[-] ssl.py [edit]
[-] _strptime.py [edit]
[-] imp.py [edit]
[-] contextlib.py [edit]
[-] contextvars.py [edit]
[-] copyreg.py [edit]
[-] filecmp.py [edit]
[+] logging
[-] operator.py [edit]
[-] token.py [edit]
[-] gzip.py [edit]
[-] string.py [edit]
[-] genericpath.py [edit]
[-] _osx_support.py [edit]
[-] stat.py [edit]
[-] lzma.py [edit]
[-] __future__.py [edit]
[+] distutils
[+] asyncio
[-] webbrowser.py [edit]
[-] symtable.py [edit]
[+] lib-dynload
[-] getopt.py [edit]
[-] wave.py [edit]
[-] _bootsubprocess.py [edit]
[-] codeop.py [edit]
[-] abc.py [edit]
[+] pydoc_data
[-] telnetlib.py [edit]
[-] _aix_support.py [edit]
[+] unittest
[-] fileinput.py [edit]
[-] ftplib.py [edit]
[+] ctypes
[-] _bootlocale.py [edit]
[-] pipes.py [edit]
[-] aifc.py [edit]
[-] pprint.py [edit]
[-] queue.py [edit]
[-] difflib.py [edit]
[+] __pycache__
[-] uuid.py [edit]
[-] reprlib.py [edit]
[-] threading.py [edit]
[+] http
[-] sre_parse.py [edit]
[-] subprocess.py [edit]
[+] importlib
[-] selectors.py [edit]
[-] getpass.py [edit]
[+] tkinter
[-] trace.py [edit]
[-] struct.py [edit]
[-] tracemalloc.py [edit]
[-] plistlib.py [edit]
[-] asynchat.py [edit]
[-] fractions.py [edit]
[-] shlex.py [edit]
[-] bdb.py [edit]
[-] locale.py [edit]
[-] calendar.py [edit]
[-] poplib.py [edit]
[-] posixpath.py [edit]
[-] imaplib.py [edit]
[+] concurrent
[-] pickle.py [edit]
[-] timeit.py [edit]
[+] json
[-] traceback.py [edit]
[+] multiprocessing
[-] shelve.py [edit]
[-] csv.py [edit]
[-] tarfile.py [edit]
[-] numbers.py [edit]
[-] optparse.py [edit]
[-] cgi.py [edit]
[-] pstats.py [edit]
[-] crypt.py [edit]
[+] collections
[-] site.py [edit]
[-] pkgutil.py [edit]
[-] re.py [edit]
[-] pyclbr.py [edit]
[-] socketserver.py [edit]
[-] _pydecimal.py [edit]
[-] pydoc.py [edit]
[-] sre_constants.py [edit]
[-] xdrlib.py [edit]
[-] nntplib.py [edit]
[-] mimetypes.py [edit]
[+] email
[-] quopri.py [edit]
[-] doctest.py [edit]
[-] profile.py [edit]
[-] sched.py [edit]
[-] hashlib.py [edit]
[+] urllib
[-] secrets.py [edit]
[-] _sysconfigdata__linux_x86_64-linux-gnu.py [edit]
[-] functools.py [edit]
[-] smtplib.py [edit]
[-] copy.py [edit]
[+] dbm
[-] tty.py [edit]
[-] os.py [edit]
[-] _collections_abc.py [edit]
[-] configparser.py [edit]
[-] _weakrefset.py [edit]
[-] netrc.py [edit]
[-] code.py [edit]
[-] asyncore.py [edit]
[-] _py_abc.py [edit]
[-] tokenize.py [edit]
[+] encodings
[-] io.py [edit]
[-] smtpd.py [edit]
[-] sysconfig.py [edit]
[-] decimal.py [edit]
[-] rlcompleter.py [edit]
[-] ntpath.py [edit]
[+] test
[-] weakref.py [edit]
[-] symbol.py [edit]
[-] modulefinder.py [edit]
[-] turtle.py [edit]
[+] xmlrpc
[-] bz2.py [edit]
[-] gettext.py [edit]
[-] mailbox.py [edit]
[+] html