Upload folder using huggingface_hub (part 3)

.gitattributes

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.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/INSTALLER

@@ -0,0 +1 @@
+pip

.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/METADATA

@@ -0,0 +1,108 @@
+Metadata-Version: 2.4
+Name: anyio
+Version: 4.15.1
+Summary: High-level concurrency and networking framework on top of asyncio or Trio
+Author-email: Alex Grönholm <alex.gronholm@nextday.fi>
+License-Expression: MIT
+Project-URL: Documentation, https://anyio.readthedocs.io/en/latest/
+Project-URL: Changelog, https://anyio.readthedocs.io/en/stable/versionhistory.html
+Project-URL: Source code, https://github.com/agronholm/anyio
+Project-URL: Issue tracker, https://github.com/agronholm/anyio/issues
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: Framework :: AnyIO
+Classifier: Typing :: Typed
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Programming Language :: Python :: 3.13
+Classifier: Programming Language :: Python :: 3.14
+Classifier: Programming Language :: Python :: 3.15
+Classifier: Programming Language :: Python :: Free Threading :: 2 - Beta
+Requires-Python: >=3.10
+Description-Content-Type: text/x-rst
+License-File: LICENSE
+Requires-Dist: exceptiongroup>=1.0.2; python_version < "3.11"
+Requires-Dist: idna>=2.8
+Requires-Dist: typing_extensions>=4.16.0; python_version < "3.15"
+Provides-Extra: trio
+Requires-Dist: trio>=0.32.0; extra == "trio"
+Dynamic: license-file
+
+.. image:: https://github.com/agronholm/anyio/actions/workflows/test.yml/badge.svg
+  :target: https://github.com/agronholm/anyio/actions/workflows/test.yml
+  :alt: Build Status
+.. image:: https://coveralls.io/repos/github/agronholm/anyio/badge.svg?branch=master
+  :target: https://coveralls.io/github/agronholm/anyio?branch=master
+  :alt: Code Coverage
+.. image:: https://readthedocs.org/projects/anyio/badge/?version=latest
+  :target: https://anyio.readthedocs.io/en/latest/?badge=latest
+  :alt: Documentation
+.. image:: https://badges.gitter.im/gitterHQ/gitter.svg
+  :target: https://gitter.im/python-trio/AnyIO
+  :alt: Gitter chat
+.. image:: https://tidelift.com/badges/package/pypi/anyio
+  :target: https://tidelift.com/subscription/pkg/pypi-anyio
+  :alt: Tidelift
+
+AnyIO is an asynchronous networking and concurrency library that works on top of either asyncio_ or
+Trio_. It implements Trio-like `structured concurrency`_ (SC) on top of asyncio and works in harmony
+with the native SC of Trio itself.
+
+Applications and libraries written against AnyIO's API will run unmodified on either asyncio_ or
+Trio_. AnyIO can also be adopted into a library or application incrementally – bit by bit, no full
+refactoring necessary. It will blend in with the native libraries of your chosen backend.
+
+To find out why you might want to use AnyIO's APIs instead of asyncio's, you can read about it
+`here <https://anyio.readthedocs.io/en/stable/why.html>`_.
+
+Documentation
+-------------
+
+View full documentation at: https://anyio.readthedocs.io/
+
+Features
+--------
+
+AnyIO offers the following functionality:
+
+* Task groups (nurseries_ in trio terminology)
+* High-level networking (TCP, UDP and UNIX sockets)
+
+  * `Happy eyeballs`_ algorithm for TCP connections (more robust than that of asyncio on Python
+    3.8)
+  * async/await style UDP sockets (unlike asyncio where you still have to use Transports and
+    Protocols)
+
+* A versatile API for byte streams and object streams
+* Inter-task synchronization and communication (locks, conditions, events, semaphores, object
+  streams and futures)
+* Worker threads
+* Subprocesses
+* Subinterpreter support for code parallelization (on Python 3.13 and later)
+* Asynchronous file I/O (using worker threads)
+* Signal handling
+* Asynchronous versions of the functools_ and itertools_ modules
+
+AnyIO also comes with its own pytest_ plugin which also supports asynchronous fixtures.
+It even works with the popular Hypothesis_ library.
+
+.. _asyncio: https://docs.python.org/3/library/asyncio.html
+.. _Trio: https://github.com/python-trio/trio
+.. _structured concurrency: https://en.wikipedia.org/wiki/Structured_concurrency
+.. _nurseries: https://trio.readthedocs.io/en/stable/reference-core.html#nurseries-and-spawning
+.. _Happy eyeballs: https://en.wikipedia.org/wiki/Happy_Eyeballs
+.. _pytest: https://docs.pytest.org/en/latest/
+.. _functools: https://docs.python.org/3/library/functools.html
+.. _itertools: https://docs.python.org/3/library/itertools.html
+.. _Hypothesis: https://hypothesis.works/
+
+Security contact information
+----------------------------
+
+To report a security vulnerability, please use the `Tidelift security contact`_.
+Tidelift will coordinate the fix and disclosure.
+
+.. _Tidelift security contact: https://tidelift.com/security

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.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/WHEEL

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+Wheel-Version: 1.0
+Generator: setuptools (84.0.0)
+Root-Is-Purelib: true
+Tag: py3-none-any
+

.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/entry_points.txt

@@ -0,0 +1,2 @@
+[pytest11]
+anyio = anyio.pytest_plugin

.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/licenses/LICENSE

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2018 Alex Grönholm
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

.venv/lib/python3.12/site-packages/anyio-4.15.1.dist-info/top_level.txt

@@ -0,0 +1 @@
+anyio

.venv/lib/python3.12/site-packages/anyio/abc/_resources.py

@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+import sys
+from abc import ABCMeta, abstractmethod
+from types import TracebackType
+from typing import TypeVar
+
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
+T = TypeVar("T")
+
+
+class AsyncResource(metaclass=ABCMeta):
+    """
+    Abstract base class for all closeable asynchronous resources.
+
+    Works as an asynchronous context manager which returns the instance itself on enter,
+    and calls :meth:`aclose` on exit.
+    """
+
+    __slots__ = ()
+
+    async def __aenter__(self) -> Self:
+        return self
+
+    async def __aexit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        await self.aclose()
+
+    @abstractmethod
+    async def aclose(self) -> None:
+        """Close the resource."""

.venv/lib/python3.12/site-packages/anyio/abc/_sockets.py

@@ -0,0 +1,401 @@
+from __future__ import annotations
+
+import errno
+import socket
+from abc import abstractmethod
+from collections.abc import Callable, Collection, Mapping
+from contextlib import AsyncExitStack
+from io import IOBase
+from ipaddress import IPv4Address, IPv6Address
+from socket import AddressFamily
+from typing import TYPE_CHECKING, Any, TypeAlias, TypeVar
+
+from .._core._eventloop import get_async_backend
+from .._core._typedattr import (
+    TypedAttributeProvider,
+    TypedAttributeSet,
+    typed_attribute,
+)
+from ._streams import ByteStream, Listener, UnreliableObjectStream
+
+if TYPE_CHECKING:
+    from ._tasks import TaskGroup
+
+IPAddressType: TypeAlias = str | IPv4Address | IPv6Address
+IPSockAddrType: TypeAlias = tuple[str, int]
+SockAddrType: TypeAlias = IPSockAddrType | str
+UDPPacketType: TypeAlias = tuple[bytes, IPSockAddrType]
+UNIXDatagramPacketType: TypeAlias = tuple[bytes, str]
+T_Retval = TypeVar("T_Retval")
+
+
+def _validate_socket(
+    sock_or_fd: socket.socket | int,
+    sock_type: socket.SocketKind,
+    addr_family: socket.AddressFamily = socket.AF_UNSPEC,
+    *,
+    require_connected: bool = False,
+    require_bound: bool = False,
+) -> socket.socket:
+    if isinstance(sock_or_fd, int):
+        try:
+            sock = socket.socket(fileno=sock_or_fd)
+        except OSError as exc:
+            if exc.errno == errno.ENOTSOCK:
+                raise ValueError(
+                    "the file descriptor does not refer to a socket"
+                ) from exc
+            elif require_connected:
+                raise ValueError("the socket must be connected") from exc
+            elif require_bound:
+                raise ValueError("the socket must be bound to a local address") from exc
+            else:
+                raise
+    elif isinstance(sock_or_fd, socket.socket):
+        sock = sock_or_fd
+    else:
+        raise TypeError(
+            f"expected an int or socket, got {type(sock_or_fd).__qualname__} instead"
+        )
+
+    try:
+        if require_connected:
+            try:
+                sock.getpeername()
+            except OSError as exc:
+                raise ValueError("the socket must be connected") from exc
+
+        if require_bound:
+            try:
+                if sock.family in (socket.AF_INET, socket.AF_INET6):
+                    bound_addr = sock.getsockname()[1]
+                else:
+                    bound_addr = sock.getsockname()
+            except OSError:
+                bound_addr = None
+
+            if not bound_addr:
+                raise ValueError("the socket must be bound to a local address")
+
+        if addr_family != socket.AF_UNSPEC and sock.family != addr_family:
+            raise ValueError(
+                f"address family mismatch: expected {addr_family.name}, got "
+                f"{sock.family.name}"
+            )
+
+        if sock.type != sock_type:
+            raise ValueError(
+                f"socket type mismatch: expected {sock_type.name}, got {sock.type.name}"
+            )
+    except BaseException:
+        # Avoid ResourceWarning from the locally constructed socket object
+        if isinstance(sock_or_fd, int):
+            sock.detach()
+
+        raise
+
+    sock.setblocking(False)
+    return sock
+
+
+class SocketAttribute(TypedAttributeSet):
+    """
+    .. attribute:: family
+        :type: socket.AddressFamily
+
+        the address family of the underlying socket
+
+    .. attribute:: local_address
+        :type: tuple[str, int] | str
+
+        the local address the underlying socket is connected to
+
+    .. attribute:: local_port
+        :type: int
+
+        for IP based sockets, the local port the underlying socket is bound to
+
+    .. attribute:: raw_socket
+        :type: socket.socket
+
+        the underlying stdlib socket object
+
+    .. attribute:: remote_address
+        :type: tuple[str, int] | str
+
+        the remote address the underlying socket is connected to
+
+    .. attribute:: remote_port
+        :type: int
+
+        for IP based sockets, the remote port the underlying socket is connected to
+    """
+
+    family: AddressFamily = typed_attribute()
+    local_address: SockAddrType = typed_attribute()
+    local_port: int = typed_attribute()
+    raw_socket: socket.socket = typed_attribute()
+    remote_address: SockAddrType = typed_attribute()
+    remote_port: int = typed_attribute()
+
+
+class _SocketProvider(TypedAttributeProvider):
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        from .._core._sockets import convert_ipv6_sockaddr as convert
+
+        attributes: dict[Any, Callable[[], Any]] = {
+            SocketAttribute.family: lambda: self._raw_socket.family,
+            SocketAttribute.local_address: lambda: convert(
+                self._raw_socket.getsockname()
+            ),
+            SocketAttribute.raw_socket: lambda: self._raw_socket,
+        }
+        try:
+            peername: tuple[str, int] | None = convert(self._raw_socket.getpeername())
+        except OSError:
+            peername = None
+
+        # Provide the remote address for connected sockets
+        if peername is not None:
+            attributes[SocketAttribute.remote_address] = lambda: peername
+
+        # Provide local and remote ports for IP based sockets
+        if self._raw_socket.family in (AddressFamily.AF_INET, AddressFamily.AF_INET6):
+            attributes[SocketAttribute.local_port] = lambda: (
+                self._raw_socket.getsockname()[1]
+            )
+            if peername is not None:
+                remote_port = peername[1]
+                attributes[SocketAttribute.remote_port] = lambda: remote_port
+
+        return attributes
+
+    @property
+    @abstractmethod
+    def _raw_socket(self) -> socket.socket:
+        pass
+
+
+class SocketStream(ByteStream, _SocketProvider):
+    """
+    Transports bytes over a socket.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(cls, sock_or_fd: socket.socket | int) -> SocketStream:
+        """
+        Wrap an existing socket object or file descriptor as a socket stream.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+        The existing socket must already be connected.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a socket stream
+
+        """
+        sock = _validate_socket(sock_or_fd, socket.SOCK_STREAM, require_connected=True)
+        return await get_async_backend().wrap_stream_socket(sock)
+
+
+class UNIXSocketStream(SocketStream):
+    @classmethod
+    async def from_socket(cls, sock_or_fd: socket.socket | int) -> UNIXSocketStream:
+        """
+        Wrap an existing socket object or file descriptor as a UNIX socket stream.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+        The existing socket must already be connected.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a UNIX socket stream
+
+        """
+        sock = _validate_socket(
+            sock_or_fd, socket.SOCK_STREAM, socket.AF_UNIX, require_connected=True
+        )
+        return await get_async_backend().wrap_unix_stream_socket(sock)
+
+    @abstractmethod
+    async def send_fds(self, message: bytes, fds: Collection[int | IOBase]) -> None:
+        """
+        Send file descriptors along with a message to the peer.
+
+        :param message: a non-empty bytestring
+        :param fds: a collection of files (either numeric file descriptors or open file
+            or socket objects)
+        """
+
+    @abstractmethod
+    async def receive_fds(self, msglen: int, maxfds: int) -> tuple[bytes, list[int]]:
+        """
+        Receive file descriptors along with a message from the peer.
+
+        :param msglen: length of the message to expect from the peer
+        :param maxfds: maximum number of file descriptors to expect from the peer
+        :return: a tuple of (message, file descriptors)
+        """
+
+
+class SocketListener(Listener[SocketStream], _SocketProvider):
+    """
+    Listens to incoming socket connections.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(
+        cls,
+        sock_or_fd: socket.socket | int,
+    ) -> SocketListener:
+        """
+        Wrap an existing socket object or file descriptor as a socket listener.
+
+        The newly created listener takes ownership of the socket being passed in.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a socket listener
+
+        """
+        sock = _validate_socket(sock_or_fd, socket.SOCK_STREAM, require_bound=True)
+        return await get_async_backend().wrap_listener_socket(sock)
+
+    @abstractmethod
+    async def accept(self) -> SocketStream:
+        """Accept an incoming connection."""
+
+    async def serve(
+        self,
+        handler: Callable[[SocketStream], Any],
+        task_group: TaskGroup | None = None,
+    ) -> None:
+        from .. import create_task_group
+
+        async with AsyncExitStack() as stack:
+            if task_group is None:
+                task_group = await stack.enter_async_context(create_task_group())
+
+            while True:
+                stream = await self.accept()
+                task_group.start_soon(handler, stream)
+
+
+class UDPSocket(UnreliableObjectStream[UDPPacketType], _SocketProvider):
+    """
+    Represents an unconnected UDP socket.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(cls, sock_or_fd: socket.socket | int) -> UDPSocket:
+        """
+        Wrap an existing socket object or file descriptor as a UDP socket.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+        The existing socket must be bound to a local address.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a UDP socket
+
+        """
+        sock = _validate_socket(sock_or_fd, socket.SOCK_DGRAM, require_bound=True)
+        return await get_async_backend().wrap_udp_socket(sock)
+
+    async def sendto(self, data: bytes, host: str, port: int) -> None:
+        """
+        Alias for :meth:`~.UnreliableObjectSendStream.send` ((data, (host, port))).
+
+        """
+        return await self.send((data, (host, port)))
+
+
+class ConnectedUDPSocket(UnreliableObjectStream[bytes], _SocketProvider):
+    """
+    Represents an connected UDP socket.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(cls, sock_or_fd: socket.socket | int) -> ConnectedUDPSocket:
+        """
+        Wrap an existing socket object or file descriptor as a connected UDP socket.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+        The existing socket must already be connected.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a connected UDP socket
+
+        """
+        sock = _validate_socket(
+            sock_or_fd,
+            socket.SOCK_DGRAM,
+            require_connected=True,
+        )
+        return await get_async_backend().wrap_connected_udp_socket(sock)
+
+
+class UNIXDatagramSocket(
+    UnreliableObjectStream[UNIXDatagramPacketType], _SocketProvider
+):
+    """
+    Represents an unconnected Unix datagram socket.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(
+        cls,
+        sock_or_fd: socket.socket | int,
+    ) -> UNIXDatagramSocket:
+        """
+        Wrap an existing socket object or file descriptor as a UNIX datagram
+        socket.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a UNIX datagram socket
+
+        """
+        sock = _validate_socket(sock_or_fd, socket.SOCK_DGRAM, socket.AF_UNIX)
+        return await get_async_backend().wrap_unix_datagram_socket(sock)
+
+    async def sendto(self, data: bytes, path: str) -> None:
+        """Alias for :meth:`~.UnreliableObjectSendStream.send` ((data, path))."""
+        return await self.send((data, path))
+
+
+class ConnectedUNIXDatagramSocket(UnreliableObjectStream[bytes], _SocketProvider):
+    """
+    Represents a connected Unix datagram socket.
+
+    Supports all relevant extra attributes from :class:`~SocketAttribute`.
+    """
+
+    @classmethod
+    async def from_socket(
+        cls,
+        sock_or_fd: socket.socket | int,
+    ) -> ConnectedUNIXDatagramSocket:
+        """
+        Wrap an existing socket object or file descriptor as a connected UNIX datagram
+        socket.
+
+        The newly created socket wrapper takes ownership of the socket being passed in.
+        The existing socket must already be connected.
+
+        :param sock_or_fd: a socket object or file descriptor
+        :return: a connected UNIX datagram socket
+
+        """
+        sock = _validate_socket(
+            sock_or_fd, socket.SOCK_DGRAM, socket.AF_UNIX, require_connected=True
+        )
+        return await get_async_backend().wrap_connected_unix_datagram_socket(sock)

.venv/lib/python3.12/site-packages/anyio/abc/_streams.py

@@ -0,0 +1,237 @@
+from __future__ import annotations
+
+from abc import ABCMeta, abstractmethod
+from collections.abc import Callable
+from typing import TYPE_CHECKING, Any, Generic, TypeAlias, TypeVar
+
+from .._core._exceptions import EndOfStream
+from .._core._typedattr import TypedAttributeProvider
+from ._resources import AsyncResource
+
+if TYPE_CHECKING:
+    from ._tasks import TaskGroup
+
+T_Item = TypeVar("T_Item")
+T_co = TypeVar("T_co", covariant=True)
+T_contra = TypeVar("T_contra", contravariant=True)
+
+
+class UnreliableObjectReceiveStream(
+    AsyncResource, TypedAttributeProvider, Generic[T_co]
+):
+    """
+    An interface for receiving objects.
+
+    This interface makes no guarantees that the received messages arrive in the order in
+    which they were sent, or that no messages are missed.
+
+    Asynchronously iterating over objects of this type will yield objects matching the
+    given type parameter.
+    """
+
+    def __aiter__(self) -> UnreliableObjectReceiveStream[T_co]:
+        return self
+
+    async def __anext__(self) -> T_co:
+        try:
+            return await self.receive()
+        except EndOfStream:
+            raise StopAsyncIteration from None
+
+    @abstractmethod
+    async def receive(self) -> T_co:
+        """
+        Receive the next item.
+
+        :raises ~anyio.ClosedResourceError: if the receive stream has been explicitly
+            closed
+        :raises ~anyio.EndOfStream: if this stream has been closed from the other end
+        :raises ~anyio.BrokenResourceError: if this stream has been rendered unusable
+            due to external causes
+        """
+
+
+class UnreliableObjectSendStream(
+    AsyncResource, TypedAttributeProvider, Generic[T_contra]
+):
+    """
+    An interface for sending objects.
+
+    This interface makes no guarantees that the messages sent will reach the
+    recipient(s) in the same order in which they were sent, or at all.
+    """
+
+    @abstractmethod
+    async def send(self, item: T_contra) -> None:
+        """
+        Send an item to the peer(s).
+
+        :param item: the item to send
+        :raises ~anyio.ClosedResourceError: if the send stream has been explicitly
+            closed
+        :raises ~anyio.BrokenResourceError: if this stream has been rendered unusable
+            due to external causes
+        """
+
+
+class UnreliableObjectStream(
+    UnreliableObjectReceiveStream[T_Item], UnreliableObjectSendStream[T_Item]
+):
+    """
+    A bidirectional message stream which does not guarantee the order or reliability of
+    message delivery.
+    """
+
+
+class ObjectReceiveStream(UnreliableObjectReceiveStream[T_co]):
+    """
+    A receive message stream which guarantees that messages are received in the same
+    order in which they were sent, and that no messages are missed.
+    """
+
+
+class ObjectSendStream(UnreliableObjectSendStream[T_contra]):
+    """
+    A send message stream which guarantees that messages are delivered in the same order
+    in which they were sent, without missing any messages in the middle.
+    """
+
+
+class ObjectStream(
+    ObjectReceiveStream[T_Item],
+    ObjectSendStream[T_Item],
+    UnreliableObjectStream[T_Item],
+):
+    """
+    A bidirectional message stream which guarantees the order and reliability of message
+    delivery.
+    """
+
+    @abstractmethod
+    async def send_eof(self) -> None:
+        """
+        Send an end-of-file indication to the peer.
+
+        You should not try to send any further data to this stream after calling this
+        method. This method is idempotent (does nothing on successive calls).
+        """
+
+
+class ByteReceiveStream(AsyncResource, TypedAttributeProvider):
+    """
+    An interface for receiving bytes from a single peer.
+
+    Iterating this byte stream will yield a byte string of arbitrary length, but no more
+    than 65536 bytes.
+    """
+
+    def __aiter__(self) -> ByteReceiveStream:
+        return self
+
+    async def __anext__(self) -> bytes:
+        try:
+            return await self.receive()
+        except EndOfStream:
+            raise StopAsyncIteration from None
+
+    @abstractmethod
+    async def receive(self, max_bytes: int = 65536) -> bytes:
+        """
+        Receive at most ``max_bytes`` bytes from the peer.
+
+        .. note:: Implementers of this interface should not return an empty
+            :class:`bytes` object, and users should ignore them.
+
+        :param max_bytes: maximum number of bytes to receive (must be a positive
+            integer)
+        :return: the received bytes
+        :raises ValueError: if ``max_bytes`` is less than 1
+        :raises ~anyio.EndOfStream: if this stream has been closed from the other end
+        """
+
+
+class ByteSendStream(AsyncResource, TypedAttributeProvider):
+    """An interface for sending bytes to a single peer."""
+
+    @abstractmethod
+    async def send(self, item: bytes) -> None:
+        """
+        Send the given bytes to the peer.
+
+        :param item: the bytes to send
+        """
+
+
+class ByteStream(ByteReceiveStream, ByteSendStream):
+    """A bidirectional byte stream."""
+
+    @abstractmethod
+    async def send_eof(self) -> None:
+        """
+        Send an end-of-file indication to the peer.
+
+        You should not try to send any further data to this stream after calling this
+        method. This method is idempotent (does nothing on successive calls).
+        """
+
+
+#: Type alias for all unreliable bytes-oriented receive streams.
+AnyUnreliableByteReceiveStream: TypeAlias = (
+    UnreliableObjectReceiveStream[bytes] | ByteReceiveStream
+)
+#: Type alias for all unreliable bytes-oriented send streams.
+AnyUnreliableByteSendStream: TypeAlias = (
+    UnreliableObjectSendStream[bytes] | ByteSendStream
+)
+#: Type alias for all unreliable bytes-oriented streams.
+AnyUnreliableByteStream: TypeAlias = UnreliableObjectStream[bytes] | ByteStream
+#: Type alias for all bytes-oriented receive streams.
+AnyByteReceiveStream: TypeAlias = ObjectReceiveStream[bytes] | ByteReceiveStream
+#: Type alias for all bytes-oriented send streams.
+AnyByteSendStream: TypeAlias = ObjectSendStream[bytes] | ByteSendStream
+#: Type alias for all bytes-oriented streams.
+AnyByteStream: TypeAlias = ObjectStream[bytes] | ByteStream
+
+
+class Listener(AsyncResource, TypedAttributeProvider, Generic[T_co]):
+    """An interface for objects that let you accept incoming connections."""
+
+    @abstractmethod
+    async def serve(
+        self, handler: Callable[[T_co], Any], task_group: TaskGroup | None = None
+    ) -> None:
+        """
+        Accept incoming connections as they come in and start tasks to handle them.
+
+        :param handler: a callable that will be used to handle each accepted connection
+        :param task_group: the task group that will be used to start tasks for handling
+            each accepted connection (if omitted, an ad-hoc task group will be created)
+        """
+
+
+class ObjectStreamConnectable(Generic[T_co], metaclass=ABCMeta):
+    @abstractmethod
+    async def connect(self) -> ObjectStream[T_co]:
+        """
+        Connect to the remote endpoint.
+
+        :return: an object stream connected to the remote end
+        :raises ConnectionFailed: if the connection fails
+        """
+
+
+class ByteStreamConnectable(metaclass=ABCMeta):
+    @abstractmethod
+    async def connect(self) -> ByteStream:
+        """
+        Connect to the remote endpoint.
+
+        :return: a bytestream connected to the remote end
+        :raises ConnectionFailed: if the connection fails
+        """
+
+
+#: Type alias for all connectables returning bytestreams or bytes-oriented object streams
+AnyByteStreamConnectable: TypeAlias = (
+    ObjectStreamConnectable[bytes] | ByteStreamConnectable
+)

.venv/lib/python3.12/site-packages/anyio/abc/_subprocesses.py

@@ -0,0 +1,82 @@
+from __future__ import annotations
+
+from abc import abstractmethod
+from signal import Signals
+from typing import TYPE_CHECKING
+
+from ._resources import AsyncResource
+
+if TYPE_CHECKING:
+    from ._streams import ByteReceiveStream, ByteSendStream
+
+
+class Process(AsyncResource):
+    """An asynchronous version of :class:`subprocess.Popen`."""
+
+    @abstractmethod
+    async def wait(self) -> int:
+        """
+        Wait until the process exits.
+
+        :return: the exit code of the process
+        """
+
+    @abstractmethod
+    def terminate(self) -> None:
+        """
+        Terminates the process, gracefully if possible.
+
+        On Windows, this calls ``TerminateProcess()``.
+        On POSIX systems, this sends ``SIGTERM`` to the process.
+
+        .. seealso:: :meth:`subprocess.Popen.terminate`
+        """
+
+    @abstractmethod
+    def kill(self) -> None:
+        """
+        Kills the process.
+
+        On Windows, this calls ``TerminateProcess()``.
+        On POSIX systems, this sends ``SIGKILL`` to the process.
+
+        .. seealso:: :meth:`subprocess.Popen.kill`
+        """
+
+    @abstractmethod
+    def send_signal(self, signal: Signals) -> None:
+        """
+        Send a signal to the subprocess.
+
+        .. seealso:: :meth:`subprocess.Popen.send_signal`
+
+        :param signal: the signal number (e.g. :data:`signal.SIGHUP`)
+        """
+
+    @property
+    @abstractmethod
+    def pid(self) -> int:
+        """The process ID of the process."""
+
+    @property
+    @abstractmethod
+    def returncode(self) -> int | None:
+        """
+        The return code of the process. If the process has not yet terminated, this will
+        be ``None``.
+        """
+
+    @property
+    @abstractmethod
+    def stdin(self) -> ByteSendStream | None:
+        """The stream for the standard input of the process."""
+
+    @property
+    @abstractmethod
+    def stdout(self) -> ByteReceiveStream | None:
+        """The stream for the standard output of the process."""
+
+    @property
+    @abstractmethod
+    def stderr(self) -> ByteReceiveStream | None:
+        """The stream for the standard error output of the process."""

.venv/lib/python3.12/site-packages/anyio/abc/_tasks.py

@@ -0,0 +1,223 @@
+from __future__ import annotations
+
+import sys
+from abc import ABCMeta, abstractmethod
+from collections.abc import Callable, Coroutine
+from contextvars import Context
+from types import TracebackType
+from typing import TYPE_CHECKING, Any, Literal, Protocol, final, overload
+
+if sys.version_info >= (3, 13):
+    from typing import TypeVar
+else:
+    from typing_extensions import TypeVar
+
+if sys.version_info >= (3, 11):
+    from typing import TypeVarTuple, Unpack
+else:
+    from typing_extensions import TypeVarTuple, Unpack
+
+if TYPE_CHECKING:
+    from .._core._tasks import CancelScope, TaskHandle
+
+T_co = TypeVar("T_co", covariant=True)
+T_contra = TypeVar("T_contra", contravariant=True, default=None)
+PosArgsT = TypeVarTuple("PosArgsT")
+
+
+def get_coro_name(coro: Coroutine[Any, Any, object], override: object = None) -> str:
+    if override is not None:
+        return str(override)
+
+    try:
+        cr_frame = coro.cr_frame  # type: ignore[attr-defined]
+        module = cr_frame.f_globals["__name__"]
+    except (AttributeError, KeyError):
+        module = None
+
+    qualname = getattr(coro, "__qualname__", None)
+    return ".".join([x for x in (module, qualname) if x])
+
+
+def get_callable_name(func: Callable, override: object = None) -> str:
+    if override is not None:
+        return str(override)
+
+    module = getattr(func, "__module__", None)
+    qualname = getattr(func, "__qualname__", None)
+    return ".".join([x for x in (module, qualname) if x])
+
+
+def call_for_coroutine(
+    func: Callable[[Unpack[PosArgsT]], Coroutine[Any, Any, T_co]],
+    args: tuple[Unpack[PosArgsT]],
+    **kwargs: Any,
+) -> Coroutine[Any, Any, T_co]:
+    """
+    Call the given function with the given positional and keyword arguments.
+
+    :return: the resulting coroutine
+    :raises TypeError: if the return value was not a coroutine object
+
+    """
+    coro = func(*args, **kwargs)
+    if not isinstance(coro, Coroutine):
+        prefix = f"{func.__module__}." if hasattr(func, "__module__") else ""
+        raise TypeError(
+            f"Expected {prefix}{func.__qualname__}() to return a coroutine, but "
+            f"the return value ({coro!r}) is not a coroutine object"
+        )
+
+    return coro
+
+
+class TaskStatus(Protocol[T_contra]):
+    @overload
+    def started(self: TaskStatus[None]) -> None: ...
+
+    @overload
+    def started(self, value: T_contra) -> None: ...
+
+    def started(self, value: T_contra | None = None) -> None:
+        """
+        Signal that the task has started.
+
+        :param value: object passed back to the starter of the task
+        """
+
+
+class TaskGroup(metaclass=ABCMeta):
+    """
+    Groups several asynchronous tasks together.
+
+    :ivar cancel_scope: the cancel scope inherited by all child tasks
+    :vartype cancel_scope: CancelScope
+
+    .. note:: On asyncio, support for eager task factories is considered to be
+        **experimental**. In particular, they don't follow the usual semantics of new
+        tasks being scheduled on the next iteration of the event loop, and may thus
+        cause unexpected behavior in code that wasn't written with such semantics in
+        mind.
+    """
+
+    cancel_scope: CancelScope
+
+    def cancel(self, reason: str | None = None) -> None:
+        """
+        Cancel this task group's cancel scope immediately.
+
+        This is a shortcut for calling ``.cancel_scope.cancel()`` on the task group.
+
+        :param reason: a message describing the reason for the cancellation
+
+        .. versionadded:: 4.14.0
+
+        """
+        self.cancel_scope.cancel(reason)
+
+    @abstractmethod
+    def create_task(
+        self,
+        coro: Coroutine[Any, Any, T_co],
+        *,
+        name: object = None,
+        context: Context | None = None,
+    ) -> TaskHandle[T_co]:
+        """
+        Create a new task from a coroutine object and schedule it to run.
+
+        :param coro: a coroutine object
+        :param name: optional name to give the task
+        :param context: optional context to run the task in
+        :return: a task handle
+
+        .. versionadded:: 4.14.0
+        """
+
+    @final
+    def start_soon(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Coroutine[Any, Any, T_co]],
+        *args: Unpack[PosArgsT],
+        name: object = None,
+    ) -> TaskHandle[T_co]:
+        """
+        Start a new task in this task group.
+
+        :param func: a coroutine function
+        :param args: positional arguments to call the function with
+        :param name: name of the task, for the purposes of introspection and debugging
+        :return: a task handle
+
+        .. versionadded:: 3.0
+        .. versionchanged:: 4.14.0
+            This method now returns a task handle.
+
+        """
+        final_name = get_callable_name(func, name)
+        return self.create_task(call_for_coroutine(func, args), name=final_name)
+
+    @overload
+    async def start(
+        self,
+        func: Callable[..., Coroutine[Any, Any, T_co]],
+        *args: object,
+        name: object = None,
+        return_handle: Literal[False] = ...,
+    ) -> Any: ...
+
+    @overload
+    async def start(
+        self,
+        func: Callable[..., Coroutine[Any, Any, T_co]],
+        *args: object,
+        name: object = None,
+        return_handle: Literal[True],
+    ) -> TaskHandle[T_co, Any]: ...
+
+    @abstractmethod
+    async def start(
+        self,
+        func: Callable[..., Coroutine[Any, Any, T_co]],
+        *args: object,
+        name: object = None,
+        return_handle: Literal[False, True] = False,
+    ) -> Any:
+        """
+        Start a new task and wait until it signals for readiness.
+
+        The target callable must accept a keyword argument ``task_status`` (of type
+        :class:`TaskStatus`). Awaiting on this method will return whatever was passed to
+        ``task_status.started()`` (``None`` by default).
+
+        .. note:: The :class:`TaskStatus` class is generic, and the type argument should
+            indicate the type of the value that will be passed to
+            ``task_status.started()``.
+
+        :param func: a coroutine function that accepts the ``task_status`` keyword
+            argument
+        :param args: positional arguments to call the function with
+        :param name: an optional name for the task, for introspection and debugging
+        :param return_handle: if ``True``, return a :class:`TaskHandle` which also
+            contains the start value in ``start_value``
+        :return: the value passed to ``task_status.started()``
+        :raises RuntimeError: if the task finishes without calling
+            ``task_status.started()``
+
+        .. seealso:: :ref:`start_initialize`
+
+        .. versionadded:: 3.0
+        """
+
+    @abstractmethod
+    async def __aenter__(self) -> TaskGroup:
+        """Enter the task group context and allow starting new tasks."""
+
+    @abstractmethod
+    async def __aexit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> bool:
+        """Exit the task group context waiting for all tasks to finish."""

.venv/lib/python3.12/site-packages/anyio/abc/_testing.py

@@ -0,0 +1,79 @@
+from __future__ import annotations
+
+import sys
+import types
+from abc import ABCMeta, abstractmethod
+from collections.abc import AsyncGenerator, Callable, Coroutine, Iterable
+from typing import Any, TypeVar
+
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
+_T = TypeVar("_T")
+
+
+class TestRunner(metaclass=ABCMeta):
+    """
+    Encapsulates a running event loop. Every call made through this object will use the
+    same event loop.
+    """
+
+    def __enter__(self) -> Self:
+        return self
+
+    @abstractmethod
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: types.TracebackType | None,
+    ) -> bool | None: ...
+
+    @abstractmethod
+    def run_asyncgen_fixture(
+        self,
+        fixture_func: Callable[..., AsyncGenerator[_T, Any]],
+        kwargs: dict[str, Any],
+    ) -> Iterable[_T]:
+        """
+        Run an async generator fixture.
+
+        :param fixture_func: the fixture function
+        :param kwargs: keyword arguments to call the fixture function with
+        :return: an iterator yielding the value yielded from the async generator
+        """
+
+    @abstractmethod
+    def run_fixture(
+        self,
+        fixture_func: Callable[..., Coroutine[Any, Any, _T]],
+        kwargs: dict[str, Any],
+    ) -> _T:
+        """
+        Run an async fixture.
+
+        :param fixture_func: the fixture function
+        :param kwargs: keyword arguments to call the fixture function with
+        :return: the return value of the fixture function
+        """
+
+    @abstractmethod
+    def run_test(
+        self, test_func: Callable[..., Coroutine[Any, Any, Any]], kwargs: dict[str, Any]
+    ) -> None:
+        """
+        Run an async test function.
+
+        :param test_func: the test function
+        :param kwargs: keyword arguments to call the test function with
+        """
+
+    @abstractmethod
+    def is_running(self) -> bool:
+        """
+        Check if the test runner is running.
+
+        :return: ``True`` if the coroutine is currently being run, ``False`` otherwise.
+        """

.venv/lib/python3.12/site-packages/anyio/from_thread.py

@@ -0,0 +1,588 @@
+from __future__ import annotations
+
+__all__ = (
+    "BlockingPortal",
+    "BlockingPortalProvider",
+    "check_cancelled",
+    "run",
+    "run_sync",
+    "start_blocking_portal",
+)
+
+import sys
+from collections.abc import Awaitable, Callable, Coroutine, Generator
+from concurrent.futures import Future
+from contextlib import (
+    AbstractAsyncContextManager,
+    AbstractContextManager,
+    contextmanager,
+)
+from contextvars import Context
+from dataclasses import dataclass, field
+from functools import partial
+from inspect import isawaitable
+from threading import Lock, Thread, current_thread, get_ident
+from types import TracebackType
+from typing import (
+    Any,
+    Generic,
+    TypeVar,
+    cast,
+    overload,
+)
+
+from ._core._eventloop import (
+    get_cancelled_exc_class,
+    threadlocals,
+)
+from ._core._eventloop import run as run_eventloop
+from ._core._exceptions import NoEventLoopError
+from ._core._synchronization import Event
+from ._core._tasks import CancelScope, create_task_group
+from .abc._tasks import TaskStatus
+from .lowlevel import EventLoopToken, current_token
+
+if sys.version_info >= (3, 11):
+    from typing import Self, TypeVarTuple, Unpack
+else:
+    from typing_extensions import Self, TypeVarTuple, Unpack
+
+T_Retval = TypeVar("T_Retval")
+T_co = TypeVar("T_co", covariant=True)
+PosArgsT = TypeVarTuple("PosArgsT")
+
+
+def _token_or_error(token: EventLoopToken | None) -> EventLoopToken:
+    if token is not None:
+        return token
+
+    try:
+        return threadlocals.current_token
+    except AttributeError:
+        raise NoEventLoopError(
+            "Not running inside an AnyIO worker thread, and no event loop token was "
+            "provided"
+        ) from None
+
+
+def run(
+    func: Callable[[Unpack[PosArgsT]], Coroutine[Any, Any, T_co]],
+    *args: Unpack[PosArgsT],
+    token: EventLoopToken | None = None,
+) -> T_co:
+    """
+    Call a coroutine function from a worker thread.
+
+    :param func: a coroutine function
+    :param args: positional arguments for the callable
+    :param token: an event loop token to use to get back to the event loop thread
+        (required if calling this function from outside an AnyIO worker thread)
+    :return: the return value of the coroutine function
+    :raises MissingTokenError: if no token was provided and called from outside an
+        AnyIO worker thread
+    :raises RunFinishedError: if the event loop tied to ``token`` is no longer running
+
+    .. versionchanged:: 4.11.0
+        Added the ``token`` parameter.
+
+    """
+    explicit_token = token is not None
+    token = _token_or_error(token)
+    return token.backend_class.run_async_from_thread(
+        func, args, token=token.native_token if explicit_token else None
+    )
+
+
+def run_sync(
+    func: Callable[[Unpack[PosArgsT]], T_Retval],
+    *args: Unpack[PosArgsT],
+    token: EventLoopToken | None = None,
+) -> T_Retval:
+    """
+    Call a function in the event loop thread from a worker thread.
+
+    :param func: a callable
+    :param args: positional arguments for the callable
+    :param token: an event loop token to use to get back to the event loop thread
+        (required if calling this function from outside an AnyIO worker thread)
+    :return: the return value of the callable
+    :raises MissingTokenError: if no token was provided and called from outside an
+        AnyIO worker thread
+    :raises RunFinishedError: if the event loop tied to ``token`` is no longer running
+
+    .. versionchanged:: 4.11.0
+        Added the ``token`` parameter.
+
+    """
+    explicit_token = token is not None
+    token = _token_or_error(token)
+    return token.backend_class.run_sync_from_thread(
+        func, args, token=token.native_token if explicit_token else None
+    )
+
+
+class _BlockingAsyncContextManager(AbstractContextManager, Generic[T_co]):
+    _enter_future: Future[T_co]
+    _exit_future: Future[bool | None]
+    _exit_event: Event
+    _exit_exc_info: tuple[
+        type[BaseException] | None, BaseException | None, TracebackType | None
+    ] = (None, None, None)
+
+    def __init__(
+        self, async_cm: AbstractAsyncContextManager[T_co], portal: BlockingPortal
+    ):
+        self._async_cm = async_cm
+        self._portal = portal
+
+    async def run_async_cm(self) -> bool | None:
+        try:
+            self._exit_event = Event()
+            value = await self._async_cm.__aenter__()
+        except BaseException as exc:
+            self._enter_future.set_exception(exc)
+            raise
+        else:
+            self._enter_future.set_result(value)
+
+        try:
+            # Wait for the sync context manager to exit.
+            # This next statement can raise `get_cancelled_exc_class()` if
+            # something went wrong in a task group in this async context
+            # manager.
+            await self._exit_event.wait()
+        finally:
+            # In case of cancellation, it could be that we end up here before
+            # `_BlockingAsyncContextManager.__exit__` is called, and an
+            # `_exit_exc_info` has been set.
+            result = await self._async_cm.__aexit__(*self._exit_exc_info)
+
+        return result
+
+    def __enter__(self) -> T_co:
+        self._enter_future = Future()
+        self._exit_future = self._portal.start_task_soon(self.run_async_cm)
+        return self._enter_future.result()
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_value: BaseException | None,
+        traceback: TracebackType | None,
+        /,
+    ) -> bool | None:
+        self._exit_exc_info = exc_type, exc_value, traceback
+        self._portal.call(self._exit_event.set)
+        return self._exit_future.result()
+
+
+class _BlockingPortalTaskStatus(TaskStatus):
+    def __init__(self, future: Future):
+        self._future = future
+
+    def started(self, value: object = None) -> None:
+        self._future.set_result(value)
+
+
+class BlockingPortal:
+    """
+    An object that lets external threads run code in an asynchronous event loop.
+
+    :raises NoEventLoopError: if no supported asynchronous event loop is running in the
+        current thread
+    """
+
+    def __init__(self) -> None:
+        self._token = current_token()
+        self._event_loop_thread_id: int | None = get_ident()
+        self._stop_event = Event()
+        self._task_group = create_task_group()
+
+    async def __aenter__(self) -> Self:
+        await self._task_group.__aenter__()
+        return self
+
+    async def __aexit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> bool:
+        await self.stop()
+        return await self._task_group.__aexit__(exc_type, exc_val, exc_tb)
+
+    def _check_running(self) -> None:
+        if self._event_loop_thread_id is None:
+            raise RuntimeError("This portal is not running")
+        if self._event_loop_thread_id == get_ident():
+            raise RuntimeError(
+                "This method cannot be called from the event loop thread"
+            )
+
+    async def sleep_until_stopped(self) -> None:
+        """Sleep until :meth:`stop` is called."""
+        await self._stop_event.wait()
+
+    async def stop(self, cancel_remaining: bool = False) -> None:
+        """
+        Signal the portal to shut down.
+
+        This marks the portal as no longer accepting new calls and exits from
+        :meth:`sleep_until_stopped`.
+
+        :param cancel_remaining: ``True`` to cancel all the remaining tasks, ``False``
+            to let them finish before returning
+
+        """
+        self._event_loop_thread_id = None
+        self._stop_event.set()
+        if cancel_remaining:
+            self._task_group.cancel_scope.cancel("the blocking portal is shutting down")
+
+    async def _call_func(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval] | T_Retval],
+        args: tuple[Unpack[PosArgsT]],
+        kwargs: dict[str, Any],
+        future: Future[T_Retval],
+    ) -> None:
+        event_loop_thread_id = self._event_loop_thread_id
+
+        def callback(f: Future[T_Retval]) -> None:
+            if f.cancelled():
+                if event_loop_thread_id == get_ident():
+                    scope.cancel("the future was cancelled")
+                elif event_loop_thread_id is not None:
+                    run_sync(
+                        scope.cancel, "the future was cancelled", token=self._token
+                    )
+
+        try:
+            retval_or_awaitable = func(*args, **kwargs)
+            if isawaitable(retval_or_awaitable):
+                with CancelScope() as scope:
+                    future.add_done_callback(callback)
+                    retval = await retval_or_awaitable
+            else:
+                retval = retval_or_awaitable
+        except get_cancelled_exc_class():
+            future.cancel()
+            future.set_running_or_notify_cancel()
+        except BaseException as exc:
+            if not future.cancelled():
+                future.set_exception(exc)
+
+            # Let base exceptions fall through
+            if not isinstance(exc, Exception):
+                raise
+        else:
+            if not future.cancelled():
+                future.set_result(retval)
+        finally:
+            scope = None  # type: ignore[assignment]
+
+    def _spawn_task_from_thread(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval] | T_Retval],
+        args: tuple[Unpack[PosArgsT]],
+        kwargs: dict[str, Any],
+        name: object,
+        future: Future[T_Retval],
+    ) -> None:
+        """
+        Spawn a new task using the given callable.
+
+        :param func: a callable
+        :param args: positional arguments to be passed to the callable
+        :param kwargs: keyword arguments to be passed to the callable
+        :param name: name of the task (will be coerced to a string if not ``None``)
+        :param future: a future that will resolve to the return value of the callable,
+            or the exception raised during its execution
+
+        """
+        run_sync(
+            partial(self._task_group.start_soon, name=name),
+            self._call_func,
+            func,
+            args,
+            kwargs,
+            future,
+            token=self._token,
+        )
+
+    @overload
+    def call(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval]],
+        *args: Unpack[PosArgsT],
+    ) -> T_Retval: ...
+
+    @overload
+    def call(
+        self, func: Callable[[Unpack[PosArgsT]], T_Retval], *args: Unpack[PosArgsT]
+    ) -> T_Retval: ...
+
+    def call(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval] | T_Retval],
+        *args: Unpack[PosArgsT],
+    ) -> T_Retval:
+        """
+        Call the given function in the event loop thread.
+
+        If the callable returns a coroutine object, it is awaited on.
+
+        :param func: any callable
+        :raises RuntimeError: if the portal is not running or if this method is called
+            from within the event loop thread
+
+        """
+        return cast(T_Retval, self.start_task_soon(func, *args).result())
+
+    @overload
+    def start_task_soon(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval]],
+        *args: Unpack[PosArgsT],
+        name: object = None,
+    ) -> Future[T_Retval]: ...
+
+    @overload
+    def start_task_soon(
+        self,
+        func: Callable[[Unpack[PosArgsT]], T_Retval],
+        *args: Unpack[PosArgsT],
+        name: object = None,
+    ) -> Future[T_Retval]: ...
+
+    def start_task_soon(
+        self,
+        func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval] | T_Retval],
+        *args: Unpack[PosArgsT],
+        name: object = None,
+    ) -> Future[T_Retval]:
+        """
+        Start a task in the portal's task group.
+
+        The task will be run inside a cancel scope which can be cancelled by cancelling
+        the returned future.
+
+        :param func: the target function
+        :param args: positional arguments passed to ``func``
+        :param name: name of the task (will be coerced to a string if not ``None``)
+        :return: a future that resolves with the return value of the callable if the
+            task completes successfully, or with the exception raised in the task
+        :raises RuntimeError: if the portal is not running or if this method is called
+            from within the event loop thread
+        :rtype: concurrent.futures.Future[T_Retval]
+
+        .. versionadded:: 3.0
+
+        """
+        self._check_running()
+        f: Future[T_Retval] = Future()
+        self._spawn_task_from_thread(func, args, {}, name, f)
+        return f
+
+    def start_task(
+        self,
+        func: Callable[..., Awaitable[T_Retval]],
+        *args: object,
+        name: object = None,
+    ) -> tuple[Future[T_Retval], Any]:
+        """
+        Start a task in the portal's task group and wait until it signals for readiness.
+
+        This method works the same way as :meth:`.abc.TaskGroup.start`.
+
+        :param func: the target function
+        :param args: positional arguments passed to ``func``
+        :param name: name of the task (will be coerced to a string if not ``None``)
+        :return: a tuple of (future, task_status_value) where the ``task_status_value``
+            is the value passed to ``task_status.started()`` from within the target
+            function
+        :rtype: tuple[concurrent.futures.Future[T_Retval], Any]
+
+        .. versionadded:: 3.0
+
+        """
+
+        def task_done(future: Future[T_Retval]) -> None:
+            if not task_status_future.done():
+                if future.cancelled():
+                    task_status_future.cancel()
+                elif future.exception():
+                    task_status_future.set_exception(future.exception())
+                else:
+                    exc = RuntimeError(
+                        "Task exited without calling task_status.started()"
+                    )
+                    task_status_future.set_exception(exc)
+
+        self._check_running()
+        task_status_future: Future = Future()
+        task_status = _BlockingPortalTaskStatus(task_status_future)
+        f: Future = Future()
+        f.add_done_callback(task_done)
+        self._spawn_task_from_thread(func, args, {"task_status": task_status}, name, f)
+        return f, task_status_future.result()
+
+    def wrap_async_context_manager(
+        self, cm: AbstractAsyncContextManager[T_co]
+    ) -> AbstractContextManager[T_co]:
+        """
+        Wrap an async context manager as a synchronous context manager via this portal.
+
+        Spawns a task that will call both ``__aenter__()`` and ``__aexit__()``, stopping
+        in the middle until the synchronous context manager exits.
+
+        :param cm: an asynchronous context manager
+        :return: a synchronous context manager
+
+        .. versionadded:: 2.1
+
+        """
+        return _BlockingAsyncContextManager(cm, self)
+
+
+@dataclass
+class BlockingPortalProvider:
+    """
+    A manager for a blocking portal. Used as a context manager. The first thread to
+    enter this context manager causes a blocking portal to be started with the specific
+    parameters, and the last thread to exit causes the portal to be shut down. Thus,
+    there will be exactly one blocking portal running in this context as long as at
+    least one thread has entered this context manager.
+
+    The parameters are the same as for :func:`~anyio.run`.
+
+    :param backend: name of the backend
+    :param backend_options: backend options
+
+    .. versionadded:: 4.4
+    """
+
+    backend: str = "asyncio"
+    backend_options: dict[str, Any] | None = None
+    _lock: Lock = field(init=False, default_factory=Lock)
+    _leases: int = field(init=False, default=0)
+    _portal: BlockingPortal = field(init=False)
+    _portal_cm: AbstractContextManager[BlockingPortal] | None = field(
+        init=False, default=None
+    )
+
+    def __enter__(self) -> BlockingPortal:
+        with self._lock:
+            if self._portal_cm is None:
+                self._portal_cm = start_blocking_portal(
+                    self.backend, self.backend_options
+                )
+                self._portal = self._portal_cm.__enter__()
+
+            self._leases += 1
+            return self._portal
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        portal_cm: AbstractContextManager[BlockingPortal] | None = None
+        with self._lock:
+            assert self._portal_cm
+            assert self._leases > 0
+            self._leases -= 1
+            if not self._leases:
+                portal_cm = self._portal_cm
+                self._portal_cm = None
+                del self._portal
+
+        if portal_cm:
+            portal_cm.__exit__(None, None, None)
+
+
+@contextmanager
+def start_blocking_portal(
+    backend: str = "asyncio",
+    backend_options: dict[str, Any] | None = None,
+    *,
+    name: str | None = None,
+) -> Generator[BlockingPortal, Any, None]:
+    """
+    Start a new event loop in a new thread and run a blocking portal in its main task.
+
+    The parameters are the same as for :func:`~anyio.run`.
+
+    :param backend: name of the backend
+    :param backend_options: backend options
+    :param name: name of the thread
+    :return: a context manager that yields a blocking portal
+
+    .. versionchanged:: 3.0
+        Usage as a context manager is now required.
+
+    """
+
+    async def run_portal() -> None:
+        async with BlockingPortal() as portal_:
+            if name is None:
+                current_thread().name = f"{backend}-portal-{id(portal_):x}"
+
+            future.set_result(portal_)
+            await portal_.sleep_until_stopped()
+
+    def run_blocking_portal() -> None:
+        if future.set_running_or_notify_cancel():
+            try:
+                run_eventloop(
+                    run_portal, backend=backend, backend_options=backend_options
+                )
+            except BaseException as exc:
+                if not future.done():
+                    future.set_exception(exc)
+
+    future: Future[BlockingPortal] = Future()
+    kwargs: dict[str, Any] = {}
+    if sys.version_info >= (3, 14):
+        kwargs["context"] = Context()
+
+    thread = Thread(target=run_blocking_portal, daemon=True, name=name, **kwargs)
+    thread.start()
+    try:
+        cancel_remaining_tasks = False
+        portal = future.result()
+        try:
+            yield portal
+        except BaseException:
+            cancel_remaining_tasks = True
+            raise
+        finally:
+            try:
+                portal.call(portal.stop, cancel_remaining_tasks)
+            except RuntimeError:
+                pass
+    finally:
+        thread.join()
+
+
+def check_cancelled() -> None:
+    """
+    Check if the cancel scope of the host task's running the current worker thread has
+    been cancelled.
+
+    If the host task's current cancel scope has indeed been cancelled, the
+    backend-specific cancellation exception will be raised.
+
+    :raises RuntimeError: if the current thread was not spawned by
+        :func:`.to_thread.run_sync`
+
+    """
+    try:
+        token: EventLoopToken = threadlocals.current_token
+    except AttributeError:
+        raise NoEventLoopError(
+            "This function can only be called inside an AnyIO worker thread"
+        ) from None
+
+    token.backend_class.check_cancelled()

.venv/lib/python3.12/site-packages/anyio/functools.py

@@ -0,0 +1,400 @@
+from __future__ import annotations
+
+__all__ = (
+    "AsyncCacheInfo",
+    "AsyncCacheParameters",
+    "AsyncLRUCacheWrapper",
+    "cache",
+    "lru_cache",
+    "reduce",
+)
+
+import functools
+from collections import OrderedDict
+from collections.abc import (
+    AsyncIterable,
+    Awaitable,
+    Callable,
+    Coroutine,
+    Hashable,
+    Iterable,
+)
+from functools import update_wrapper
+from inspect import iscoroutinefunction
+from typing import (
+    Any,
+    Generic,
+    NamedTuple,
+    ParamSpec,
+    TypedDict,
+    TypeVar,
+    cast,
+    final,
+    overload,
+)
+from weakref import WeakKeyDictionary
+
+from ._core._eventloop import current_time
+from ._core._synchronization import Lock
+from .lowlevel import RunVar, checkpoint
+
+T = TypeVar("T")
+S = TypeVar("S")
+P = ParamSpec("P")
+lru_cache_items: RunVar[
+    WeakKeyDictionary[
+        AsyncLRUCacheWrapper[Any, Any],
+        OrderedDict[
+            Hashable,
+            tuple[_InitialMissingType, Lock, float | None]
+            | tuple[Any, None, float | None],
+        ],
+    ]
+] = RunVar("lru_cache_items")
+
+
+class _InitialMissingType:
+    pass
+
+
+initial_missing: _InitialMissingType = _InitialMissingType()
+
+
+class AsyncCacheInfo(NamedTuple):
+    hits: int
+    misses: int
+    maxsize: int | None
+    currsize: int
+    ttl: int | None
+
+
+class AsyncCacheParameters(TypedDict):
+    maxsize: int | None
+    typed: bool
+    always_checkpoint: bool
+    ttl: int | None
+
+
+class _LRUMethodWrapper(Generic[T]):
+    def __init__(self, wrapper: AsyncLRUCacheWrapper[..., T], instance: object):
+        self.__wrapper = wrapper
+        self.__instance = instance
+
+    def cache_info(self) -> AsyncCacheInfo:
+        return self.__wrapper.cache_info()
+
+    def cache_parameters(self) -> AsyncCacheParameters:
+        return self.__wrapper.cache_parameters()
+
+    def cache_clear(self) -> None:
+        self.__wrapper.cache_clear()
+
+    async def __call__(self, *args: Any, **kwargs: Any) -> T:
+        if self.__instance is None:
+            return await self.__wrapper(*args, **kwargs)
+
+        return await self.__wrapper(self.__instance, *args, **kwargs)
+
+
+@final
+class AsyncLRUCacheWrapper(Generic[P, T]):
+    def __init__(
+        self,
+        func: Callable[P, Awaitable[T]],
+        maxsize: int | None,
+        typed: bool,
+        always_checkpoint: bool,
+        ttl: int | None,
+    ):
+        self.__wrapped__ = func
+        self._hits: int = 0
+        self._misses: int = 0
+        self._maxsize = max(maxsize, 0) if maxsize is not None else None
+        self._currsize: int = 0
+        self._typed = typed
+        self._always_checkpoint = always_checkpoint
+        self._ttl = ttl
+        update_wrapper(self, func)
+
+    def cache_info(self) -> AsyncCacheInfo:
+        return AsyncCacheInfo(
+            self._hits, self._misses, self._maxsize, self._currsize, self._ttl
+        )
+
+    def cache_parameters(self) -> AsyncCacheParameters:
+        return {
+            "maxsize": self._maxsize,
+            "typed": self._typed,
+            "always_checkpoint": self._always_checkpoint,
+            "ttl": self._ttl,
+        }
+
+    def cache_clear(self) -> None:
+        if cache := lru_cache_items.get(None):
+            cache.pop(self, None)
+            self._hits = self._misses = self._currsize = 0
+
+    async def __call__(self, *args: P.args, **kwargs: P.kwargs) -> T:
+        # Easy case first: if maxsize == 0, no caching is done
+        if self._maxsize == 0:
+            value = await self.__wrapped__(*args, **kwargs)
+            self._misses += 1
+            return value
+
+        # The key is constructed as a flat tuple to avoid memory overhead
+        key: tuple[Any, ...] = args
+        if kwargs:
+            # initial_missing is used as a separator
+            key += (initial_missing,) + sum(kwargs.items(), ())
+
+        if self._typed:
+            key += tuple(type(arg) for arg in args)
+            if kwargs:
+                key += (initial_missing,) + tuple(type(val) for val in kwargs.values())
+
+        try:
+            cache = lru_cache_items.get()
+        except LookupError:
+            cache = WeakKeyDictionary()
+            lru_cache_items.set(cache)
+
+        try:
+            cache_entry = cache[self]
+        except KeyError:
+            cache_entry = cache[self] = OrderedDict()
+
+        cached_value: T | _InitialMissingType
+        try:
+            cached_value, lock, expires_at = cache_entry[key]
+        except KeyError:
+            # We're the first task to call this function
+            cached_value, lock, expires_at = (
+                initial_missing,
+                Lock(fast_acquire=not self._always_checkpoint),
+                None,
+            )
+            cache_entry[key] = cached_value, lock, expires_at
+
+        if lock is None:
+            if expires_at is not None and current_time() >= expires_at:
+                self._currsize -= 1
+                cached_value, lock, expires_at = (
+                    initial_missing,
+                    Lock(fast_acquire=not self._always_checkpoint),
+                    None,
+                )
+                cache_entry[key] = cached_value, lock, expires_at
+            else:
+                # The value was already cached
+                self._hits += 1
+                cache_entry.move_to_end(key)
+                if self._always_checkpoint:
+                    await checkpoint()
+
+                return cast(T, cached_value)
+
+        async with lock:
+            # Check if another task filled the cache while we acquired the lock
+            if (cached_value := cache_entry[key][0]) is initial_missing:
+                self._misses += 1
+                if self._maxsize is not None and self._currsize >= self._maxsize:
+                    cache_entry.popitem(last=False)
+                else:
+                    self._currsize += 1
+
+                value = await self.__wrapped__(*args, **kwargs)
+                expires_at = (
+                    current_time() + self._ttl if self._ttl is not None else None
+                )
+                cache_entry[key] = value, None, expires_at
+            else:
+                # Another task filled the cache while we were waiting for the lock
+                self._hits += 1
+                cache_entry.move_to_end(key)
+                value = cast(T, cached_value)
+
+        return value
+
+    def __get__(
+        self, instance: object, owner: type | None = None
+    ) -> _LRUMethodWrapper[T]:
+        wrapper = _LRUMethodWrapper(self, instance)
+        update_wrapper(wrapper, self.__wrapped__)
+        return wrapper
+
+
+class _LRUCacheWrapper:
+    def __init__(
+        self, maxsize: int | None, typed: bool, always_checkpoint: bool, ttl: int | None
+    ):
+        self._maxsize = maxsize
+        self._typed = typed
+        self._always_checkpoint = always_checkpoint
+        self._ttl = ttl
+
+    @overload
+    def __call__(  # type: ignore[overload-overlap]
+        self, func: Callable[P, Coroutine[Any, Any, T]], /
+    ) -> AsyncLRUCacheWrapper[P, T]: ...
+
+    @overload
+    def __call__(
+        self, func: Callable[..., T], /
+    ) -> functools._lru_cache_wrapper[T]: ...
+
+    def __call__(
+        self, f: Callable[P, Coroutine[Any, Any, T]] | Callable[..., T], /
+    ) -> AsyncLRUCacheWrapper[P, T] | functools._lru_cache_wrapper[T]:
+        if iscoroutinefunction(f):
+            return AsyncLRUCacheWrapper(
+                f, self._maxsize, self._typed, self._always_checkpoint, self._ttl
+            )
+
+        return functools.lru_cache(maxsize=self._maxsize, typed=self._typed)(f)  # type: ignore[arg-type]
+
+
+@overload
+def cache(  # type: ignore[overload-overlap]
+    func: Callable[P, Coroutine[Any, Any, T]], /
+) -> AsyncLRUCacheWrapper[P, T]: ...
+
+
+@overload
+def cache(func: Callable[..., T], /) -> functools._lru_cache_wrapper[T]: ...
+
+
+def cache(func: Callable[..., Any] | Callable[P, Coroutine[Any, Any, Any]], /) -> Any:
+    """
+    A convenient shortcut for :func:`lru_cache` with ``maxsize=None``.
+
+    This is the asynchronous equivalent to :func:`functools.cache`.
+
+    """
+    return lru_cache(maxsize=None)(func)
+
+
+@overload
+def lru_cache(
+    *,
+    maxsize: int | None = ...,
+    typed: bool = ...,
+    always_checkpoint: bool = ...,
+    ttl: int | None = ...,
+) -> _LRUCacheWrapper: ...
+
+
+@overload
+def lru_cache(  # type: ignore[overload-overlap]
+    func: Callable[P, Coroutine[Any, Any, T]], /
+) -> AsyncLRUCacheWrapper[P, T]: ...
+
+
+@overload
+def lru_cache(func: Callable[..., T], /) -> functools._lru_cache_wrapper[T]: ...
+
+
+def lru_cache(
+    func: Callable[..., Coroutine[Any, Any, Any]] | Callable[..., Any] | None = None,
+    /,
+    *,
+    maxsize: int | None = 128,
+    typed: bool = False,
+    always_checkpoint: bool = False,
+    ttl: int | None = None,
+) -> Any:
+    """
+    An asynchronous version of :func:`functools.lru_cache`.
+
+    If a synchronous function is passed, the standard library
+    :func:`functools.lru_cache` is applied instead.
+
+    :param always_checkpoint: if ``True``, every call to the cached function will be
+        guaranteed to yield control to the event loop at least once
+    :param ttl: time in seconds after which to invalidate cache entries
+
+    .. note:: Caches and locks are managed on a per-event loop basis.
+
+    """
+    if func is None:
+        return _LRUCacheWrapper(maxsize, typed, always_checkpoint, ttl)
+
+    if not callable(func):
+        raise TypeError("the first argument must be callable")
+
+    return _LRUCacheWrapper(maxsize, typed, always_checkpoint, ttl)(func)
+
+
+@overload
+async def reduce(
+    function: Callable[[T, S], Awaitable[T]],
+    iterable: Iterable[S] | AsyncIterable[S],
+    /,
+    initial: T,
+) -> T: ...
+
+
+@overload
+async def reduce(
+    function: Callable[[T, T], Awaitable[T]],
+    iterable: Iterable[T] | AsyncIterable[T],
+    /,
+) -> T: ...
+
+
+async def reduce(  # type: ignore[misc]
+    function: Callable[[T, T], Awaitable[T]] | Callable[[T, S], Awaitable[T]],
+    iterable: Iterable[T] | Iterable[S] | AsyncIterable[T] | AsyncIterable[S],
+    /,
+    initial: T | _InitialMissingType = initial_missing,
+) -> T:
+    """
+    Asynchronous version of :func:`functools.reduce`.
+
+    :param function: a coroutine function that takes two arguments: the accumulated
+        value and the next element from the iterable
+    :param iterable: an iterable or async iterable
+    :param initial: the initial value (if missing, the first element of the iterable is
+        used as the initial value)
+
+    """
+    element: Any
+    function_called = False
+    if isinstance(iterable, AsyncIterable):
+        async_it = iterable.__aiter__()
+        if initial is initial_missing:
+            try:
+                value = cast(T, await async_it.__anext__())
+            except StopAsyncIteration:
+                raise TypeError(
+                    "reduce() of empty sequence with no initial value"
+                ) from None
+        else:
+            value = cast(T, initial)
+
+        async for element in async_it:
+            value = await function(value, element)
+            function_called = True
+    elif isinstance(iterable, Iterable):
+        it = iter(iterable)
+        if initial is initial_missing:
+            try:
+                value = cast(T, next(it))
+            except StopIteration:
+                raise TypeError(
+                    "reduce() of empty sequence with no initial value"
+                ) from None
+        else:
+            value = cast(T, initial)
+
+        for element in it:
+            value = await function(value, element)
+            function_called = True
+    else:
+        raise TypeError("reduce() argument 2 must be an iterable or async iterable")
+
+    # Make sure there is at least one checkpoint, even if an empty iterable and an
+    # initial value were given
+    if not function_called:
+        await checkpoint()
+
+    return value

.venv/lib/python3.12/site-packages/anyio/itertools.py

@@ -0,0 +1,629 @@
+from __future__ import annotations
+
+__all__ = (
+    "Chain",
+    "accumulate",
+    "batched",
+    "combinations",
+    "combinations_with_replacement",
+    "compress",
+    "count",
+    "cycle",
+    "dropwhile",
+    "filterfalse",
+    "groupby",
+    "islice",
+    "pairwise",
+    "permutations",
+    "product",
+    "repeat",
+    "starmap",
+    "takewhile",
+    "tee",
+    "zip_longest",
+)
+
+import itertools
+import operator
+import sys
+from collections.abc import (
+    AsyncGenerator,
+    AsyncIterable,
+    AsyncIterator,
+    Awaitable,
+    Callable,
+    Iterable,
+    Iterator,
+)
+from dataclasses import dataclass, field
+from typing import Any, Generic, TypeVar, cast, overload
+
+from ._core._synchronization import Lock
+from ._core._tasks import CancelScope
+from .lowlevel import cancel_shielded_checkpoint, checkpoint, checkpoint_if_cancelled
+
+if sys.version_info < (3, 15):
+    from typing_extensions import sentinel
+
+T = TypeVar("T")
+R = TypeVar("R")
+_tee_end = sentinel("_tee_end")
+
+
+@dataclass(eq=False)
+class _IterableAsyncIterator(AsyncIterator[T]):
+    iterator: Iterator[T]
+
+    async def __anext__(self) -> T:
+        await checkpoint_if_cancelled()
+        try:
+            result = next(self.iterator)
+        except StopIteration:
+            await cancel_shielded_checkpoint()
+            raise StopAsyncIteration from None
+
+        await cancel_shielded_checkpoint()
+        return result
+
+
+def _iterate(iterable: Iterable[T] | AsyncIterable[T]) -> AsyncIterator[T]:
+    if isinstance(iterable, AsyncIterator):
+        return iterable
+
+    if isinstance(iterable, AsyncIterable):
+        return iterable.__aiter__()
+
+    return _IterableAsyncIterator(iter(iterable))
+
+
+@dataclass(eq=False)
+class _TeeLink(Generic[T]):
+    value: object | None = None
+    next: _TeeLink[T] | None = None
+    filled: bool = False
+
+
+@dataclass(eq=False)
+class _TeeState(Generic[T]):
+    iterator: AsyncIterator[T]
+    lock: Lock = field(default_factory=Lock)
+
+    async def fill(self, link: _TeeLink[T]) -> bool:
+        if link.filled:
+            return False
+
+        async with self.lock:
+            if link.filled:
+                return True
+
+            link.value = await anext(self.iterator, _tee_end)
+            if link.value is not _tee_end:
+                link.next = _TeeLink()
+
+            link.filled = True
+            return True
+
+
+class _TeeAsyncIterator(AsyncIterator[T]):
+    _state: _TeeState[T]
+    _link: _TeeLink[T]
+    _element_yielded: bool
+
+    def __init__(
+        self, iterable: Iterable[T] | AsyncIterable[T] | _TeeAsyncIterator[T]
+    ) -> None:
+        if isinstance(iterable, _TeeAsyncIterator):
+            self._state = iterable._state
+            self._link = iterable._link
+        else:
+            self._state = _TeeState(_iterate(iterable))
+            self._link = _TeeLink()
+
+        self._element_yielded = False
+
+    async def __anext__(self) -> T:
+        had_yieldpoint = await self._state.fill(self._link)
+        if self._link.value is _tee_end:
+            if not self._element_yielded:
+                await checkpoint()
+
+            raise StopAsyncIteration
+
+        if not had_yieldpoint:
+            await checkpoint_if_cancelled()
+
+        self._element_yielded = True
+        value = cast(T, self._link.value)
+        next_link = self._link.next
+        assert next_link is not None
+        self._link = next_link
+        if not had_yieldpoint:
+            await cancel_shielded_checkpoint()
+
+        return value
+
+
+async def _operator_add(x: T, y: T) -> T:
+    return operator.add(x, y)
+
+
+async def accumulate(
+    iterable: Iterable[T] | AsyncIterable[T],
+    function: Callable[[T, T], Awaitable[T]] = _operator_add,
+    *,
+    initial: T | None = None,
+) -> AsyncGenerator[T, None]:
+    iterator = _iterate(iterable)
+    if initial is None:
+        try:
+            total = await anext(iterator)
+        except StopAsyncIteration:
+            await checkpoint()
+            return
+    else:
+        await checkpoint_if_cancelled()
+        total = initial
+        await cancel_shielded_checkpoint()
+
+    yield total
+
+    async for element in iterator:
+        total = await function(total, element)
+        yield total
+
+
+async def batched(
+    iterable: Iterable[T] | AsyncIterable[T], n: int, *, strict: bool = False
+) -> AsyncGenerator[tuple[T, ...], None]:
+    if n < 1:
+        raise ValueError("n must be at least one")
+
+    iterator = _iterate(iterable)
+
+    while True:
+        batch: list[T] = []
+        for _ in range(n):
+            try:
+                batch.append(await anext(iterator))
+            except StopAsyncIteration:
+                if not batch:
+                    await checkpoint()
+                    return
+                if strict:
+                    raise ValueError("batched(): incomplete batch") from None
+
+                yield tuple(batch)
+                return
+
+        yield tuple(batch)
+
+
+class Chain:
+    def __call__(
+        self, *iterables: Iterable[T] | AsyncIterable[T]
+    ) -> AsyncGenerator[T, None]:
+        return self.from_iterable(iterables)
+
+    async def from_iterable(
+        self,
+        iterables: (
+            Iterable[Iterable[T] | AsyncIterable[T]]
+            | AsyncIterable[Iterable[T] | AsyncIterable[T]]
+        ),
+    ) -> AsyncGenerator[T, None]:
+        element_yielded = False
+        outer_iter = _iterate(iterables)
+
+        try:
+            async for iterable in outer_iter:
+                async for element in _iterate(iterable):
+                    element_yielded = True
+                    yield element
+        finally:
+            aclose = getattr(outer_iter, "aclose", None)
+            if aclose is not None:
+                with CancelScope(shield=True):
+                    await aclose()
+
+        if not element_yielded:
+            await checkpoint()
+
+
+chain: Chain = Chain()
+
+
+async def combinations(
+    iterable: Iterable[T] | AsyncIterable[T], r: int
+) -> AsyncGenerator[tuple[T, ...], None]:
+    pool: list[T] = [element async for element in _iterate(iterable)]
+    async for combination in _iterate(itertools.combinations(pool, r)):
+        yield combination
+
+
+async def combinations_with_replacement(
+    iterable: Iterable[T] | AsyncIterable[T], r: int
+) -> AsyncGenerator[tuple[T, ...], None]:
+    pool: list[T] = [element async for element in _iterate(iterable)]
+    async for combination in _iterate(itertools.combinations_with_replacement(pool, r)):
+        yield combination
+
+
+async def compress(
+    data: Iterable[T] | AsyncIterable[T],
+    selectors: Iterable[object] | AsyncIterable[object],
+) -> AsyncGenerator[T, None]:
+    data_iterator = _iterate(data)
+    selector_iterator = _iterate(selectors)
+    element_yielded = False
+
+    while True:
+        try:
+            datum = await anext(data_iterator)
+            selector = await anext(selector_iterator)
+        except StopAsyncIteration:
+            if not element_yielded:
+                await checkpoint()
+
+            return
+
+        if selector:
+            element_yielded = True
+            yield datum
+
+
+async def count(start: int = 0, step: int = 1) -> AsyncGenerator[int, None]:
+    n = start
+    while True:
+        await checkpoint_if_cancelled()
+        value = n
+        n += step
+        await cancel_shielded_checkpoint()
+        yield value
+
+
+async def cycle(
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[T, None]:
+    saved: list[T] = []
+    async for element in _iterate(iterable):
+        saved.append(element)
+        yield element
+
+    if not saved:
+        await checkpoint()
+        return
+
+    while True:
+        for element in saved:
+            await checkpoint()
+            yield element
+
+
+async def dropwhile(
+    predicate: Callable[[T], Awaitable[object]],
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[T, None]:
+    element_yielded = False
+    dropping = True
+
+    async for element in _iterate(iterable):
+        if dropping and await predicate(element):
+            continue
+
+        dropping = False
+        element_yielded = True
+        yield element
+
+    if not element_yielded:
+        await checkpoint()
+
+
+async def filterfalse(
+    predicate: Callable[[T], Awaitable[object]],
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[T, None]:
+    element_yielded = False
+
+    async for element in _iterate(iterable):
+        if not await predicate(element):
+            element_yielded = True
+            yield element
+
+    if not element_yielded:
+        await checkpoint()
+
+
+@overload
+def groupby(
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[tuple[T, list[T]], None]: ...
+
+
+@overload
+def groupby(
+    iterable: Iterable[T] | AsyncIterable[T],
+    key: Callable[[T], Awaitable[R]],
+) -> AsyncGenerator[tuple[R, list[T]], None]: ...
+
+
+async def groupby(
+    iterable: Iterable[T] | AsyncIterable[T],
+    key: Callable[[T], Awaitable[object]] | None = None,
+) -> AsyncGenerator[tuple[object, list[T]], None]:
+    iterator = _iterate(iterable)
+    try:
+        element = await anext(iterator)
+    except StopAsyncIteration:
+        await checkpoint()
+        return
+
+    group_key = element if key is None else await key(element)
+    values = [element]
+
+    async for element in iterator:
+        next_key = element if key is None else await key(element)
+        if next_key != group_key:
+            completed_group = group_key, values
+            group_key = next_key
+            values = [element]
+            yield completed_group
+        else:
+            values.append(element)
+
+    yield group_key, values
+
+
+@overload
+def islice(
+    iterable: Iterable[T] | AsyncIterable[T],
+    stop: int | None,
+    /,
+) -> AsyncGenerator[T, None]: ...
+
+
+@overload
+def islice(
+    iterable: Iterable[T] | AsyncIterable[T],
+    start: int | None,
+    stop: int | None,
+    step: int | None = 1,
+    /,
+) -> AsyncGenerator[T, None]: ...
+
+
+async def islice(
+    iterable: Iterable[T] | AsyncIterable[T],
+    *args: int | None,
+) -> AsyncGenerator[T, None]:
+    if not args:
+        raise TypeError("islice expected at least 2 arguments, got 1")
+    if len(args) > 3:
+        raise TypeError(f"islice expected at most 4 arguments, got {len(args) + 1}")
+
+    slice_args = slice(*args)
+
+    start_message = (
+        "Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize."
+    )
+    stop_message = (
+        "Stop argument for islice() must be None or an integer: 0 <= x <= sys.maxsize."
+    )
+    step_message = "Step for islice() must be a positive integer or None."
+
+    def normalize_index(value: object, message: str) -> int:
+        try:
+            index = operator.index(cast(Any, value))
+        except TypeError:
+            raise ValueError(message) from None
+
+        if index < 0 or index > sys.maxsize:
+            raise ValueError(message)
+
+        return index
+
+    start = (
+        0
+        if slice_args.start is None
+        else normalize_index(slice_args.start, start_message)
+    )
+    stop = (
+        None
+        if slice_args.stop is None
+        else normalize_index(slice_args.stop, stop_message)
+    )
+    step = (
+        1 if slice_args.step is None else normalize_index(slice_args.step, step_message)
+    )
+
+    if step <= 0:
+        raise ValueError(step_message)
+
+    if stop == 0 or start == stop:
+        await checkpoint()
+        return
+
+    iterator = _iterate(iterable)
+    index = 0
+    element_yielded = False
+
+    while stop is None or index < stop:
+        try:
+            element = await anext(iterator)
+        except StopAsyncIteration:
+            if not element_yielded:
+                await checkpoint()
+
+            return
+
+        if index >= start and (index - start) % step == 0:
+            index += 1
+            element_yielded = True
+            yield element
+        else:
+            index += 1
+
+    if not element_yielded:
+        await checkpoint()
+
+
+async def pairwise(
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[tuple[T, T], None]:
+    iterator = _iterate(iterable)
+    try:
+        previous = await anext(iterator)
+    except StopAsyncIteration:
+        await checkpoint()
+        return
+
+    element_yielded = False
+    async for element in iterator:
+        element_yielded = True
+        pair = (previous, element)
+        previous = element
+        yield pair
+
+    if not element_yielded:
+        await checkpoint()
+
+
+async def permutations(
+    iterable: Iterable[T] | AsyncIterable[T], r: int | None = None
+) -> AsyncGenerator[tuple[T, ...], None]:
+    pool: list[T] = [element async for element in _iterate(iterable)]
+    n = len(pool)
+    if r is None:
+        r = n
+    elif not isinstance(r, int):
+        raise TypeError("Expected int as r")
+    elif r < 0:
+        raise ValueError("r must be non-negative")
+
+    async for permutation in _iterate(itertools.permutations(pool, r)):
+        yield permutation
+
+
+async def product(
+    *iterables: Iterable[T] | AsyncIterable[T], repeat: int = 1
+) -> AsyncGenerator[tuple[T, ...], None]:
+    repeat = operator.index(repeat)
+    if repeat < 0:
+        raise ValueError("repeat argument cannot be negative")
+
+    pools: list[tuple[T, ...]] = []
+    for iterable in iterables:
+        pool: list[T] = [element async for element in _iterate(iterable)]
+        pools.append(tuple(pool))
+
+    async for value in _iterate(itertools.product(*pools, repeat=repeat)):
+        yield value
+
+
+async def repeat(element: T, times: int | None = None) -> AsyncGenerator[T, None]:
+    if times is None:
+        while True:
+            await checkpoint()
+            yield element
+
+    remaining = operator.index(cast(Any, times))
+    if remaining <= 0:
+        await checkpoint()
+        return
+
+    while remaining > 0:
+        await checkpoint_if_cancelled()
+        remaining -= 1
+        await cancel_shielded_checkpoint()
+        yield element
+
+
+async def starmap(
+    function: Callable[..., Awaitable[R]],
+    iterable: (
+        Iterable[Iterable[object] | AsyncIterable[object]]
+        | AsyncIterable[Iterable[object] | AsyncIterable[object]]
+    ),
+) -> AsyncGenerator[R, None]:
+    result_yielded = False
+
+    async for args_iterable in _iterate(iterable):
+        args = [element async for element in _iterate(args_iterable)]
+        result_yielded = True
+        yield await function(*args)
+
+    if not result_yielded:
+        await checkpoint()
+
+
+def tee(
+    iterable: Iterable[T] | AsyncIterable[T], n: int = 2
+) -> tuple[AsyncIterator[T], ...]:
+    n = operator.index(cast(Any, n))
+    if n < 0:
+        raise ValueError("n must be >= 0")
+    if n == 0:
+        return ()
+
+    iterator = _TeeAsyncIterator(iterable)
+    iterators: list[AsyncIterator[T]] = [iterator]
+    iterators.extend(_TeeAsyncIterator(iterator) for _ in range(n - 1))
+    return tuple(iterators)
+
+
+async def takewhile(
+    predicate: Callable[[T], Awaitable[object]],
+    iterable: Iterable[T] | AsyncIterable[T],
+) -> AsyncGenerator[T, None]:
+    element_yielded = False
+
+    async for element in _iterate(iterable):
+        if not await predicate(element):
+            if not element_yielded:
+                await checkpoint()
+
+            return
+
+        element_yielded = True
+        yield element
+
+    if not element_yielded:
+        await checkpoint()
+
+
+async def zip_longest(
+    *iterables: Iterable[object] | AsyncIterable[object],
+    fillvalue: object = None,
+) -> AsyncGenerator[tuple[object, ...], None]:
+    iterators = [_iterate(iterable) for iterable in iterables]
+    num_active = len(iterators)
+    if not num_active:
+        await checkpoint()
+        return
+
+    active = [True] * num_active
+    tuple_yielded = False
+
+    while True:
+        values: list[object] = []
+        for index, iterator in enumerate(iterators):
+            if not active[index]:
+                values.append(fillvalue)
+                continue
+
+            try:
+                value = await anext(iterator)
+            except StopAsyncIteration:
+                active[index] = False
+                num_active -= 1
+                if not num_active:
+                    if not tuple_yielded:
+                        await checkpoint()
+
+                    return
+
+                value = fillvalue
+
+            values.append(value)
+
+        tuple_yielded = True
+        yield tuple(values)

.venv/lib/python3.12/site-packages/anyio/lowlevel.py

@@ -0,0 +1,228 @@
+from __future__ import annotations
+
+__all__ = (
+    "EventLoopToken",
+    "RunVar",
+    "RunvarToken",
+    "cancel_shielded_checkpoint",
+    "checkpoint",
+    "checkpoint_if_cancelled",
+    "current_token",
+)
+
+import enum
+from dataclasses import dataclass
+from types import TracebackType
+from typing import TYPE_CHECKING, Any, Generic, Literal, TypeVar, final, overload
+from weakref import WeakKeyDictionary
+
+from ._core._eventloop import get_async_backend
+
+if TYPE_CHECKING:
+    from .abc import AsyncBackend
+
+T = TypeVar("T")
+D = TypeVar("D")
+
+
+async def checkpoint() -> None:
+    """
+    Check for cancellation and allow the scheduler to switch to another task.
+
+    Equivalent to (but more efficient than)::
+
+        await checkpoint_if_cancelled()
+        await cancel_shielded_checkpoint()
+
+    .. versionadded:: 3.0
+
+    """
+    await get_async_backend().checkpoint()
+
+
+async def checkpoint_if_cancelled() -> None:
+    """
+    Enter a checkpoint if the enclosing cancel scope has been cancelled.
+
+    This does not allow the scheduler to switch to a different task.
+
+    .. versionadded:: 3.0
+
+    """
+    await get_async_backend().checkpoint_if_cancelled()
+
+
+async def cancel_shielded_checkpoint() -> None:
+    """
+    Allow the scheduler to switch to another task but without checking for cancellation.
+
+    Equivalent to (but potentially more efficient than)::
+
+        with CancelScope(shield=True):
+            await checkpoint()
+
+    .. versionadded:: 3.0
+
+    """
+    await get_async_backend().cancel_shielded_checkpoint()
+
+
+@final
+@dataclass(frozen=True, repr=False)
+class EventLoopToken:
+    """
+    An opaque object that holds a reference to an event loop.
+
+    .. versionadded:: 4.11.0
+    """
+
+    backend_class: type[AsyncBackend]
+    native_token: object
+
+
+def current_token() -> EventLoopToken:
+    """
+    Return a token object that can be used to call code in the current event loop from
+    another thread.
+
+    :raises NoEventLoopError: if no supported asynchronous event loop is running in the
+        current thread
+
+    .. versionadded:: 4.11.0
+
+    """
+    backend_class = get_async_backend()
+    raw_token = backend_class.current_token()
+    return EventLoopToken(backend_class, raw_token)
+
+
+_run_vars: WeakKeyDictionary[object, dict[RunVar[Any], Any]] = WeakKeyDictionary()
+
+
+class _NoValueSet(enum.Enum):
+    NO_VALUE_SET = enum.auto()
+
+
+class RunvarToken(Generic[T]):
+    """
+    A token that can be used to restore a :class:`RunVar` to its previous value.
+
+    Returned by :meth:`RunVar.set`. Can be used as a context manager to automatically
+    reset the variable on exit, or passed directly to :meth:`RunVar.reset`.
+    """
+
+    __slots__ = "_redeemed", "_value", "_var"
+
+    def __init__(self, var: RunVar[T], value: T | Literal[_NoValueSet.NO_VALUE_SET]):
+        self._var = var
+        self._value: T | Literal[_NoValueSet.NO_VALUE_SET] = value
+        self._redeemed = False
+
+    def __enter__(self) -> RunvarToken[T]:
+        return self
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        self._var.reset(self)
+
+
+class RunVar(Generic[T]):
+    """
+    Like a :class:`~contextvars.ContextVar`, except scoped to the running event loop.
+
+    Can be used as a context manager, Just like :class:`~contextvars.ContextVar`, that
+    will reset the variable to its previous value when the context block is exited.
+    """
+
+    __slots__ = "_default", "_name"
+
+    NO_VALUE_SET: Literal[_NoValueSet.NO_VALUE_SET] = _NoValueSet.NO_VALUE_SET
+
+    def __init__(
+        self, name: str, default: T | Literal[_NoValueSet.NO_VALUE_SET] = NO_VALUE_SET
+    ):
+        self._name = name
+        self._default = default
+
+    @property
+    def _current_vars(self) -> dict[RunVar[T], T]:
+        native_token = current_token().native_token
+        try:
+            return _run_vars[native_token]
+        except KeyError:
+            run_vars = _run_vars[native_token] = {}
+            return run_vars
+
+    @overload
+    def get(self, default: D) -> T | D: ...
+
+    @overload
+    def get(self) -> T: ...
+
+    def get(
+        self, default: D | Literal[_NoValueSet.NO_VALUE_SET] = NO_VALUE_SET
+    ) -> T | D:
+        """
+        Return the current value of this run variable.
+
+        :param default: a fallback value to return if no value has been set
+        :return: the current value, the provided default, or the variable's own default
+        :raises LookupError: if no value is set and no default is available
+
+        """
+        try:
+            return self._current_vars[self]
+        except KeyError:
+            if default is not RunVar.NO_VALUE_SET:
+                return default
+            elif self._default is not RunVar.NO_VALUE_SET:
+                return self._default
+
+        raise LookupError(
+            f'Run variable "{self._name}" has no value and no default set'
+        )
+
+    def set(self, value: T) -> RunvarToken[T]:
+        """
+        Set the value of this run variable for the current event loop.
+
+        :param value: the new value
+        :return: a token that can be used to restore the previous value
+
+        """
+        current_vars = self._current_vars
+        token = RunvarToken(self, current_vars.get(self, RunVar.NO_VALUE_SET))
+        current_vars[self] = value
+        return token
+
+    def reset(self, token: RunvarToken[T]) -> None:
+        """
+        Restore this run variable to the value it held before the matching :meth:`set`.
+
+        :param token: the token returned by :meth:`set`
+        :raises ValueError: if the token belongs to a different :class:`RunVar` or the token
+            has already been used
+
+        """
+        if token._var is not self:
+            raise ValueError("This token does not belong to this RunVar")
+
+        if token._redeemed:
+            raise ValueError("This token has already been used")
+
+        if token._value is _NoValueSet.NO_VALUE_SET:
+            try:
+                del self._current_vars[self]
+            except KeyError:
+                pass
+        else:
+            self._current_vars[self] = token._value
+
+        token._redeemed = True
+
+    def __repr__(self) -> str:
+        return f"<RunVar name={self._name!r}>"

.venv/lib/python3.12/site-packages/anyio/pytest_plugin.py

@@ -0,0 +1,404 @@
+from __future__ import annotations
+
+import dataclasses
+import socket
+import sys
+from collections.abc import Callable, Generator, Iterator
+from contextlib import ExitStack, contextmanager
+from inspect import isasyncgenfunction, iscoroutinefunction, ismethod
+from typing import TYPE_CHECKING, Any, cast
+
+import pytest
+from _pytest.fixtures import FuncFixtureInfo, SubRequest
+from _pytest.outcomes import Exit
+from _pytest.scope import Scope
+
+from . import get_available_backends
+from ._core._eventloop import (
+    current_async_library,
+    get_async_backend,
+    reset_current_async_library,
+    set_current_async_library,
+)
+from ._core._exceptions import iterate_exceptions
+
+if TYPE_CHECKING:
+    from .abc import TestRunner
+
+if sys.version_info < (3, 11):
+    from exceptiongroup import ExceptionGroup
+
+if TYPE_CHECKING:
+    # pytest >= 9.2 keeps CallSpec2 as a TYPE_CHECKING-only alias of CallSpec
+    from _pytest.python import CallSpec2 as CallSpec
+else:
+    try:
+        # c.f. https://github.com/pytest-dev/pytest/pull/14742
+        # pytest >= 9.2
+        from _pytest.python import CallSpec
+    except ImportError:
+        from _pytest.python import CallSpec2 as CallSpec
+
+_current_runner: TestRunner | None = None
+_runner_stack: ExitStack | None = None
+_runner_leases = 0
+
+
+def extract_backend_and_options(backend: object) -> tuple[str, dict[str, Any]]:
+    if isinstance(backend, str):
+        return backend, {}
+    elif isinstance(backend, tuple) and len(backend) == 2:
+        if isinstance(backend[0], str) and isinstance(backend[1], dict):
+            return cast(tuple[str, dict[str, Any]], backend)
+
+    raise TypeError("anyio_backend must be either a string or tuple of (string, dict)")
+
+
+@contextmanager
+def get_runner(
+    backend_name: str, backend_options: dict[str, Any]
+) -> Iterator[TestRunner]:
+    global _current_runner, _runner_leases, _runner_stack
+    if _current_runner is None:
+        asynclib = get_async_backend(backend_name)
+        _runner_stack = ExitStack()
+        if current_async_library() is None:
+            # Since we're in control of the event loop, we can cache the name of the
+            # async library
+            token = set_current_async_library(backend_name)
+            _runner_stack.callback(reset_current_async_library, token)
+
+        backend_options = backend_options or {}
+        _current_runner = _runner_stack.enter_context(
+            asynclib.create_test_runner(backend_options)
+        )
+
+    _runner_leases += 1
+    try:
+        yield _current_runner
+    finally:
+        _runner_leases -= 1
+        if not _runner_leases:
+            assert _runner_stack is not None
+            _runner_stack.close()
+            _runner_stack = _current_runner = None
+
+
+def pytest_addoption(parser: pytest.Parser) -> None:
+    group = parser.getgroup("anyio")
+    parser.addini(
+        "anyio_mode",
+        default="strict",
+        help='AnyIO plugin mode (either "strict" or "auto")',
+    )
+    group.addoption(
+        "--anyio-mode",
+        default=None,
+        dest="anyio_mode",
+        help="""
+        'auto'   - All async test functions will be handled by AnyIO pytest plugin
+        'strict' - Disabling autoprocessing(useful when anyio tests
+            need to coexist with other async test plugins)
+        """,
+    )
+
+
+def _is_auto_mode(config: pytest.Config, mode: str) -> bool:
+    return (
+        config.getoption(mode, default=None) == "auto" or config.getini(mode) == "auto"
+    )
+
+
+def pytest_configure(config: pytest.Config) -> None:
+    config.addinivalue_line(
+        "markers",
+        "anyio: mark the (coroutine function) test to be run asynchronously via anyio.",
+    )
+    if (
+        _is_auto_mode(config, "anyio_mode")
+        and config.pluginmanager.has_plugin("asyncio")
+        and _is_auto_mode(config, "asyncio_mode")
+    ):
+        config.issue_config_time_warning(
+            pytest.PytestConfigWarning(
+                "AnyIO auto mode has been enabled together with pytest-asyncio auto "
+                "mode. This may cause unexpected behavior."
+            ),
+            1,
+        )
+
+
+@pytest.hookimpl(hookwrapper=True)
+def pytest_fixture_setup(fixturedef: Any, request: Any) -> Generator[Any]:
+    def wrapper(anyio_backend: Any, request: SubRequest, **kwargs: Any) -> Any:
+        # Rebind any fixture methods to the request instance
+        if (
+            request.instance
+            and ismethod(func)
+            and type(func.__self__) is type(request.instance)
+        ):
+            local_func = func.__func__.__get__(request.instance)
+        else:
+            local_func = func
+
+        backend_name, backend_options = extract_backend_and_options(anyio_backend)
+        if has_backend_arg:
+            kwargs["anyio_backend"] = anyio_backend
+
+        if has_request_arg:
+            kwargs["request"] = request
+
+        with get_runner(backend_name, backend_options) as runner:
+            # re-entrant call into the test runner detected. this happens when an async fixture
+            # is dynamically requested via request.getfixturevalue() from inside a running async
+            # test or fixture. on asyncio this raises RuntimeError: This event loop is already
+            # running, on trio the runner deadlocks - the host loop blocks waiting for the
+            # coroutine to return, but the coroutine is waiting for the host loop. raising here
+            # prevents the hang and gives a consistent error across backends.
+            if runner.is_running():
+                raise RuntimeError(
+                    "Cannot schedule a coroutine in the test runner while another is already running; "
+                    "likely caused by request.getfixturevalue() on an async fixture."
+                )
+
+            if isasyncgenfunction(local_func):
+                yield from runner.run_asyncgen_fixture(local_func, kwargs)
+            else:
+                yield runner.run_fixture(local_func, kwargs)
+
+    # Only apply this to coroutine functions and async generator functions in requests
+    # that involve the anyio_backend fixture
+    func = fixturedef.func
+    if isasyncgenfunction(func) or iscoroutinefunction(func):
+        if "anyio_backend" in request.fixturenames:
+            fixturedef.func = wrapper
+            original_argname = fixturedef.argnames
+
+            if not (has_backend_arg := "anyio_backend" in fixturedef.argnames):
+                fixturedef.argnames += ("anyio_backend",)
+
+            if not (has_request_arg := "request" in fixturedef.argnames):
+                fixturedef.argnames += ("request",)
+
+            try:
+                return (yield)
+            finally:
+                fixturedef.func = func
+                fixturedef.argnames = original_argname
+
+    return (yield)
+
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_pycollect_makeitem(
+    collector: pytest.Module | pytest.Class, name: str, obj: object
+) -> None:
+    if collector.istestfunction(obj, name):
+        inner_func = obj.hypothesis.inner_test if hasattr(obj, "hypothesis") else obj
+        if iscoroutinefunction(inner_func):
+            anyio_auto_mode = _is_auto_mode(collector.config, "anyio_mode")
+            marker = collector.get_closest_marker("anyio")
+            own_markers = getattr(obj, "pytestmark", ())
+            if (
+                anyio_auto_mode
+                or marker
+                or any(marker.name == "anyio" for marker in own_markers)
+            ):
+                pytest.mark.usefixtures("anyio_backend")(obj)
+
+
+def pytest_collection_finish(session: pytest.Session) -> None:
+    for i, item in reversed(list(enumerate(session.items))):
+        if (
+            isinstance(item, pytest.Function)
+            and iscoroutinefunction(item.function)
+            and item.get_closest_marker("anyio") is not None
+            and "anyio_backend" not in item.fixturenames
+        ):
+            new_items = []
+            try:
+                cs_fields = {f.name for f in dataclasses.fields(CallSpec)}
+            except TypeError:
+                cs_fields = set()
+
+            for param_index, backend in enumerate(get_available_backends()):
+                if "_arg2scope" in cs_fields:  # pytest >= 8
+                    callspec = CallSpec(
+                        params={"anyio_backend": backend},
+                        indices={"anyio_backend": param_index},
+                        _arg2scope={"anyio_backend": Scope.Module},
+                        _idlist=[backend],
+                        marks=[],
+                    )
+                else:  # pytest 7.x
+                    callspec = CallSpec(  # type: ignore[call-arg]
+                        funcargs={},
+                        params={"anyio_backend": backend},
+                        indices={"anyio_backend": param_index},
+                        arg2scope={"anyio_backend": Scope.Module},
+                        idlist=[backend],
+                        marks=[],
+                    )
+
+                fi = item._fixtureinfo
+                new_names_closure = list(fi.names_closure)
+                if "anyio_backend" not in new_names_closure:
+                    new_names_closure.append("anyio_backend")
+
+                new_fixtureinfo = FuncFixtureInfo(
+                    argnames=fi.argnames,
+                    initialnames=fi.initialnames,
+                    names_closure=new_names_closure,
+                    name2fixturedefs=fi.name2fixturedefs,
+                )
+                new_item = pytest.Function.from_parent(
+                    item.parent,
+                    name=f"{item.originalname}[{backend}]",
+                    callspec=callspec,
+                    callobj=item.obj,
+                    fixtureinfo=new_fixtureinfo,
+                    keywords=item.keywords,
+                    originalname=item.originalname,
+                )
+                new_items.append(new_item)
+
+            session.items[i : i + 1] = new_items
+
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_pyfunc_call(pyfuncitem: Any) -> bool | None:
+    def run_with_hypothesis(**kwargs: Any) -> None:
+        with get_runner(backend_name, backend_options) as runner:
+            runner.run_test(original_func, kwargs)
+
+    backend = pyfuncitem.funcargs.get("anyio_backend")
+    if backend:
+        backend_name, backend_options = extract_backend_and_options(backend)
+
+        if hasattr(pyfuncitem.obj, "hypothesis"):
+            # Wrap the inner test function unless it's already wrapped
+            original_func = pyfuncitem.obj.hypothesis.inner_test
+            if original_func.__qualname__ != run_with_hypothesis.__qualname__:
+                if iscoroutinefunction(original_func):
+                    pyfuncitem.obj.hypothesis.inner_test = run_with_hypothesis
+
+            return None
+
+        if iscoroutinefunction(pyfuncitem.obj):
+            funcargs = pyfuncitem.funcargs
+            testargs = {arg: funcargs[arg] for arg in pyfuncitem._fixtureinfo.argnames}
+            with get_runner(backend_name, backend_options) as runner:
+                try:
+                    runner.run_test(pyfuncitem.obj, testargs)
+                except ExceptionGroup as excgrp:
+                    for exc in iterate_exceptions(excgrp):
+                        if isinstance(exc, (Exit, KeyboardInterrupt, SystemExit)):
+                            raise exc from excgrp
+
+                    raise
+
+            return True
+
+    return None
+
+
+@pytest.fixture(scope="module", params=get_available_backends())
+def anyio_backend(request: Any) -> Any:
+    return request.param
+
+
+@pytest.fixture
+def anyio_backend_name(anyio_backend: Any) -> str:
+    if isinstance(anyio_backend, str):
+        return anyio_backend
+    else:
+        return anyio_backend[0]
+
+
+@pytest.fixture
+def anyio_backend_options(anyio_backend: Any) -> dict[str, Any]:
+    if isinstance(anyio_backend, str):
+        return {}
+    else:
+        return anyio_backend[1]
+
+
+class FreePortFactory:
+    """
+    Manages port generation based on specified socket kind, ensuring no duplicate
+    ports are generated.
+
+    This class provides functionality for generating available free ports on the
+    system. It is initialized with a specific socket kind and can generate ports
+    for given address families while avoiding reuse of previously generated ports.
+
+    Users should not instantiate this class directly, but use the
+    ``free_tcp_port_factory`` and ``free_udp_port_factory`` fixtures instead. For simple
+    uses cases, ``free_tcp_port`` and ``free_udp_port`` can be used instead.
+    """
+
+    def __init__(self, kind: socket.SocketKind) -> None:
+        self._kind = kind
+        self._generated = set[int]()
+
+    @property
+    def kind(self) -> socket.SocketKind:
+        """
+        The type of socket connection (e.g., :data:`~socket.SOCK_STREAM` or
+        :data:`~socket.SOCK_DGRAM`) used to bind for checking port availability
+
+        """
+        return self._kind
+
+    def __call__(self, family: socket.AddressFamily | None = None) -> int:
+        """
+        Return an unbound port for the given address family.
+
+        :param family: if omitted, both IPv4 and IPv6 addresses will be tried
+        :return: a port number
+
+        """
+        if family is not None:
+            families = [family]
+        else:
+            families = [socket.AF_INET]
+            if socket.has_ipv6:
+                families.append(socket.AF_INET6)
+
+        while True:
+            port = 0
+            with ExitStack() as stack:
+                for fam in families:
+                    sock = stack.enter_context(socket.socket(fam, self._kind))
+                    addr = "::1" if fam == socket.AF_INET6 else "127.0.0.1"
+                    try:
+                        sock.bind((addr, port))
+                    except OSError:
+                        break
+
+                    if not port:
+                        port = sock.getsockname()[1]
+                else:
+                    if port not in self._generated:
+                        self._generated.add(port)
+                        return port
+
+
+@pytest.fixture(scope="session")
+def free_tcp_port_factory() -> FreePortFactory:
+    return FreePortFactory(socket.SOCK_STREAM)
+
+
+@pytest.fixture(scope="session")
+def free_udp_port_factory() -> FreePortFactory:
+    return FreePortFactory(socket.SOCK_DGRAM)
+
+
+@pytest.fixture
+def free_tcp_port(free_tcp_port_factory: Callable[[], int]) -> int:
+    return free_tcp_port_factory()
+
+
+@pytest.fixture
+def free_udp_port(free_udp_port_factory: Callable[[], int]) -> int:
+    return free_udp_port_factory()

.venv/lib/python3.12/site-packages/anyio/streams/buffered.py

@@ -0,0 +1,201 @@
+from __future__ import annotations
+
+__all__ = (
+    "BufferedByteReceiveStream",
+    "BufferedByteStream",
+    "BufferedConnectable",
+)
+
+import sys
+from collections.abc import Callable, Iterable, Mapping
+from dataclasses import dataclass, field
+from typing import Any, SupportsIndex
+
+from .. import ClosedResourceError, DelimiterNotFound, EndOfStream, IncompleteRead
+from ..abc import (
+    AnyByteReceiveStream,
+    AnyByteStream,
+    AnyByteStreamConnectable,
+    ByteReceiveStream,
+    ByteStream,
+    ByteStreamConnectable,
+)
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from typing_extensions import override
+
+
+@dataclass(eq=False)
+class BufferedByteReceiveStream(ByteReceiveStream):
+    """
+    Wraps any bytes-based receive stream and uses a buffer to provide sophisticated
+    receiving capabilities in the form of a byte stream.
+    """
+
+    receive_stream: AnyByteReceiveStream
+    _buffer: bytearray = field(init=False, default_factory=bytearray)
+    _closed: bool = field(init=False, default=False)
+
+    async def aclose(self) -> None:
+        await self.receive_stream.aclose()
+        self._closed = True
+
+    @property
+    def buffer(self) -> bytes:
+        """The bytes currently in the buffer."""
+        return bytes(self._buffer)
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return self.receive_stream.extra_attributes
+
+    def feed_data(self, data: Iterable[SupportsIndex], /) -> None:
+        """
+        Append data directly into the buffer.
+
+        Any data in the buffer will be consumed by receive operations before receiving
+        anything from the wrapped stream.
+
+        :param data: the data to append to the buffer (can be bytes or anything else
+            that supports ``__index__()``)
+
+        """
+        self._buffer.extend(data)
+
+    async def receive(self, max_bytes: int = 65536) -> bytes:
+        if max_bytes < 1:
+            raise ValueError("max_bytes must be a positive integer")
+
+        if self._closed:
+            raise ClosedResourceError
+
+        if self._buffer:
+            chunk = bytes(self._buffer[:max_bytes])
+            del self._buffer[:max_bytes]
+            return chunk
+        elif isinstance(self.receive_stream, ByteReceiveStream):
+            return await self.receive_stream.receive(max_bytes)
+        else:
+            # With a bytes-oriented object stream, we need to handle any surplus bytes
+            # we get from the receive() call
+            chunk = await self.receive_stream.receive()
+            if len(chunk) > max_bytes:
+                # Save the surplus bytes in the buffer
+                self._buffer.extend(chunk[max_bytes:])
+                return chunk[:max_bytes]
+            else:
+                return chunk
+
+    async def receive_exactly(self, nbytes: int) -> bytes:
+        """
+        Read exactly the given amount of bytes from the stream.
+
+        :param nbytes: the number of bytes to read
+        :return: the bytes read
+        :raises ~anyio.IncompleteRead: if the stream was closed before the requested
+            amount of bytes could be read from the stream
+
+        """
+        while True:
+            remaining = nbytes - len(self._buffer)
+            if remaining <= 0:
+                retval = self._buffer[:nbytes]
+                del self._buffer[:nbytes]
+                return bytes(retval)
+
+            try:
+                if isinstance(self.receive_stream, ByteReceiveStream):
+                    chunk = await self.receive_stream.receive(remaining)
+                else:
+                    chunk = await self.receive_stream.receive()
+            except EndOfStream as exc:
+                raise IncompleteRead from exc
+
+            self._buffer.extend(chunk)
+
+    async def receive_until(self, delimiter: bytes, max_bytes: int) -> bytes:
+        """
+        Read from the stream until the delimiter is found or max_bytes have been read.
+
+        :param delimiter: the marker to look for in the stream
+        :param max_bytes: maximum number of bytes that will be read before raising
+            :exc:`~anyio.DelimiterNotFound`
+        :return: the bytes read (not including the delimiter)
+        :raises ~anyio.IncompleteRead: if the stream was closed before the delimiter
+            was found
+        :raises ~anyio.DelimiterNotFound: if the delimiter is not found within the
+            bytes read up to the maximum allowed
+
+        """
+        delimiter_size = len(delimiter)
+        offset = 0
+        while True:
+            # Check if the delimiter can be found in the current buffer
+            index = self._buffer.find(delimiter, offset)
+            if index >= 0:
+                found = self._buffer[:index]
+                del self._buffer[: index + len(delimiter) :]
+                return bytes(found)
+
+            # Check if the buffer is already at or over the limit
+            if len(self._buffer) >= max_bytes:
+                raise DelimiterNotFound(max_bytes)
+
+            # Read more data into the buffer from the socket
+            try:
+                data = await self.receive_stream.receive()
+            except EndOfStream as exc:
+                raise IncompleteRead from exc
+
+            # Move the offset forward and add the new data to the buffer
+            offset = max(len(self._buffer) - delimiter_size + 1, 0)
+            self._buffer.extend(data)
+
+
+class BufferedByteStream(BufferedByteReceiveStream, ByteStream):
+    """
+    A full-duplex variant of :class:`BufferedByteReceiveStream`. All writes are passed
+    through to the wrapped stream as-is.
+    """
+
+    def __init__(self, stream: AnyByteStream):
+        """
+        :param stream: the stream to be wrapped
+
+        """
+        super().__init__(stream)
+        self._stream = stream
+
+    @override
+    async def send_eof(self) -> None:
+        await self._stream.send_eof()
+
+    @override
+    async def send(self, item: bytes) -> None:
+        await self._stream.send(item)
+
+
+class BufferedConnectable(ByteStreamConnectable):
+    """
+    Wraps a byte stream connectable to produce :class:`BufferedByteStream` connections.
+
+    Use this when you want the streams returned by :meth:`connect` to have the buffered
+    receive API (e.g. :meth:`~BufferedByteReceiveStream.receive_exactly` and
+    :meth:`~BufferedByteReceiveStream.receive_until`).
+
+    :param connectable: the byte stream connectable to wrap
+    """
+
+    def __init__(self, connectable: AnyByteStreamConnectable):
+        """
+        :param connectable: the connectable to wrap
+
+        """
+        self.connectable = connectable
+
+    @override
+    async def connect(self) -> BufferedByteStream:
+        stream = await self.connectable.connect()
+        return BufferedByteStream(stream)

.venv/lib/python3.12/site-packages/anyio/streams/file.py

@@ -0,0 +1,157 @@
+from __future__ import annotations
+
+__all__ = (
+    "FileReadStream",
+    "FileStreamAttribute",
+    "FileWriteStream",
+)
+
+from collections.abc import Callable, Mapping
+from io import SEEK_SET, UnsupportedOperation
+from os import PathLike
+from pathlib import Path
+from typing import IO, Any
+
+from .. import (
+    BrokenResourceError,
+    ClosedResourceError,
+    EndOfStream,
+    TypedAttributeSet,
+    to_thread,
+    typed_attribute,
+)
+from ..abc import ByteReceiveStream, ByteSendStream
+
+
+class FileStreamAttribute(TypedAttributeSet):
+    #: the open file descriptor
+    file: IO[bytes] = typed_attribute()
+    #: the path of the file on the file system, if available (file must be a real file)
+    path: Path = typed_attribute()
+    #: the file number, if available (file must be a real file or a TTY)
+    fileno: int = typed_attribute()
+
+
+class _BaseFileStream:
+    def __init__(self, file: IO[bytes]):
+        self._file = file
+
+    async def aclose(self) -> None:
+        await to_thread.run_sync(self._file.close)
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        attributes: dict[Any, Callable[[], Any]] = {
+            FileStreamAttribute.file: lambda: self._file,
+        }
+
+        if hasattr(self._file, "name"):
+            attributes[FileStreamAttribute.path] = lambda: Path(self._file.name)
+
+        try:
+            self._file.fileno()
+        except UnsupportedOperation:
+            pass
+        else:
+            attributes[FileStreamAttribute.fileno] = lambda: self._file.fileno()
+
+        return attributes
+
+
+class FileReadStream(_BaseFileStream, ByteReceiveStream):
+    """
+    A byte stream that reads from a file in the file system.
+
+    :param file: a file that has been opened for reading in binary mode
+
+    .. versionadded:: 3.0
+    """
+
+    @classmethod
+    async def from_path(cls, path: str | PathLike[str]) -> FileReadStream:
+        """
+        Create a file read stream by opening the given file.
+
+        :param path: path of the file to read from
+
+        """
+        file = await to_thread.run_sync(Path(path).open, "rb")
+        return cls(file)
+
+    async def receive(self, max_bytes: int = 65536) -> bytes:
+        if max_bytes < 1:
+            raise ValueError("max_bytes must be a positive integer")
+
+        try:
+            data = await to_thread.run_sync(self._file.read, max_bytes)
+        except ValueError:
+            raise ClosedResourceError from None
+        except OSError as exc:
+            raise BrokenResourceError from exc
+
+        if data:
+            return data
+        else:
+            raise EndOfStream
+
+    async def seek(self, position: int, whence: int = SEEK_SET) -> int:
+        """
+        Seek the file to the given position.
+
+        .. seealso:: :meth:`io.IOBase.seek`
+
+        .. note:: Not all file descriptors are seekable.
+
+        :param position: position to seek the file to
+        :param whence: controls how ``position`` is interpreted
+        :return: the new absolute position
+        :raises OSError: if the file is not seekable
+
+        """
+        return await to_thread.run_sync(self._file.seek, position, whence)
+
+    async def tell(self) -> int:
+        """
+        Return the current stream position.
+
+        .. note:: Not all file descriptors are seekable.
+
+        :return: the current absolute position
+        :raises OSError: if the file is not seekable
+
+        """
+        return await to_thread.run_sync(self._file.tell)
+
+
+class FileWriteStream(_BaseFileStream, ByteSendStream):
+    """
+    A byte stream that writes to a file in the file system.
+
+    :param file: a file that has been opened for writing in binary mode
+
+    .. versionadded:: 3.0
+    """
+
+    @classmethod
+    async def from_path(
+        cls, path: str | PathLike[str], append: bool = False
+    ) -> FileWriteStream:
+        """
+        Create a file write stream by opening the given file for writing.
+
+        :param path: path of the file to write to
+        :param append: if ``True``, open the file for appending; if ``False``, any
+            existing file at the given path will be truncated
+
+        """
+        mode = "ab" if append else "wb"
+        file = await to_thread.run_sync(Path(path).open, mode)
+        return cls(file)
+
+    async def send(self, item: bytes) -> None:
+        try:
+            await to_thread.run_sync(self._file.write, item)
+        except ValueError:
+            raise ClosedResourceError from None
+        except OSError as exc:
+            raise BrokenResourceError from exc

.venv/lib/python3.12/site-packages/anyio/streams/memory.py

@@ -0,0 +1,326 @@
+from __future__ import annotations
+
+__all__ = (
+    "MemoryObjectReceiveStream",
+    "MemoryObjectSendStream",
+    "MemoryObjectStreamStatistics",
+)
+
+import warnings
+from collections import OrderedDict, deque
+from dataclasses import dataclass, field
+from types import TracebackType
+from typing import Generic, NamedTuple, TypeVar
+
+from .._core._exceptions import (
+    BrokenResourceError,
+    ClosedResourceError,
+    EndOfStream,
+    WouldBlock,
+)
+from .._core._synchronization import Event
+from .._core._testing import TaskInfo, get_current_task
+from ..abc import ObjectReceiveStream, ObjectSendStream
+from ..lowlevel import checkpoint
+
+T_Item = TypeVar("T_Item")
+T_co = TypeVar("T_co", covariant=True)
+T_contra = TypeVar("T_contra", contravariant=True)
+
+
+class MemoryObjectStreamStatistics(NamedTuple):
+    current_buffer_used: int  #: number of items stored in the buffer
+    #: maximum number of items that can be stored on this stream (or :data:`math.inf`)
+    max_buffer_size: float
+    open_send_streams: int  #: number of unclosed clones of the send stream
+    open_receive_streams: int  #: number of unclosed clones of the receive stream
+    #: number of tasks blocked on :meth:`MemoryObjectSendStream.send`
+    tasks_waiting_send: int
+    #: number of tasks blocked on :meth:`MemoryObjectReceiveStream.receive`
+    tasks_waiting_receive: int
+
+
+@dataclass(eq=False)
+class _MemoryObjectItemReceiver(Generic[T_Item]):
+    task_info: TaskInfo = field(init=False, default_factory=get_current_task)
+    item: T_Item = field(init=False)
+
+    def __repr__(self) -> str:
+        # When item is not defined, we get following error with default __repr__:
+        # AttributeError: 'MemoryObjectItemReceiver' object has no attribute 'item'
+        item = getattr(self, "item", None)
+        return f"{self.__class__.__name__}(task_info={self.task_info}, item={item!r})"
+
+
+@dataclass(eq=False)
+class _MemoryObjectStreamState(Generic[T_Item]):
+    max_buffer_size: float = field()
+    buffer: deque[T_Item] = field(init=False, default_factory=deque)
+    open_send_channels: int = field(init=False, default=0)
+    open_receive_channels: int = field(init=False, default=0)
+    waiting_receivers: OrderedDict[Event, _MemoryObjectItemReceiver[T_Item]] = field(
+        init=False, default_factory=OrderedDict
+    )
+    waiting_senders: OrderedDict[Event, T_Item] = field(
+        init=False, default_factory=OrderedDict
+    )
+
+    def statistics(self) -> MemoryObjectStreamStatistics:
+        return MemoryObjectStreamStatistics(
+            len(self.buffer),
+            self.max_buffer_size,
+            self.open_send_channels,
+            self.open_receive_channels,
+            len(self.waiting_senders),
+            len(self.waiting_receivers),
+        )
+
+
+@dataclass(eq=False)
+class MemoryObjectReceiveStream(ObjectReceiveStream[T_co], Generic[T_co]):
+    _state: _MemoryObjectStreamState[T_co]
+    _closed: bool = field(init=False, default=False)
+
+    def __post_init__(self) -> None:
+        self._state.open_receive_channels += 1
+
+    def receive_nowait(self) -> T_co:
+        """
+        Receive the next item if it can be done without waiting.
+
+        :return: the received item
+        :raises ~anyio.ClosedResourceError: if this send stream has been closed
+        :raises ~anyio.EndOfStream: if the buffer is empty and this stream has been
+            closed from the sending end
+        :raises ~anyio.WouldBlock: if there are no items in the buffer and no tasks
+            waiting to send
+
+        """
+        if self._closed:
+            raise ClosedResourceError
+
+        if self._state.waiting_senders:
+            # Get the item from the next sender
+            send_event, item = self._state.waiting_senders.popitem(last=False)
+            self._state.buffer.append(item)
+            send_event.set()
+
+        if self._state.buffer:
+            return self._state.buffer.popleft()
+        elif not self._state.open_send_channels:
+            raise EndOfStream
+
+        raise WouldBlock
+
+    async def receive(self) -> T_co:
+        await checkpoint()
+        try:
+            return self.receive_nowait()
+        except WouldBlock:
+            # Add ourselves in the queue
+            receive_event = Event()
+            receiver = _MemoryObjectItemReceiver[T_co]()
+            self._state.waiting_receivers[receive_event] = receiver
+
+            try:
+                await receive_event.wait()
+            finally:
+                self._state.waiting_receivers.pop(receive_event, None)
+
+            try:
+                return receiver.item
+            except AttributeError:
+                raise EndOfStream from None
+
+    def clone(self) -> MemoryObjectReceiveStream[T_co]:
+        """
+        Create a clone of this receive stream.
+
+        Each clone can be closed separately. Only when all clones have been closed will
+        the receiving end of the memory stream be considered closed by the sending ends.
+
+        :return: the cloned stream
+
+        """
+        if self._closed:
+            raise ClosedResourceError
+
+        return MemoryObjectReceiveStream(_state=self._state)
+
+    def close(self) -> None:
+        """
+        Close the stream.
+
+        This works the exact same way as :meth:`aclose`, but is provided as a special
+        case for the benefit of synchronous callbacks.
+
+        """
+        if not self._closed:
+            self._closed = True
+            self._state.open_receive_channels -= 1
+            if self._state.open_receive_channels == 0:
+                send_events = list(self._state.waiting_senders.keys())
+                for event in send_events:
+                    event.set()
+
+    async def aclose(self) -> None:
+        self.close()
+
+    def statistics(self) -> MemoryObjectStreamStatistics:
+        """
+        Return statistics about the current state of this stream.
+
+        .. versionadded:: 3.0
+        """
+        return self._state.statistics()
+
+    def __enter__(self) -> MemoryObjectReceiveStream[T_co]:
+        return self
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        self.close()
+
+    def __del__(self) -> None:
+        if not self._closed:
+            warnings.warn(
+                f"Unclosed <{self.__class__.__name__} at {id(self):x}>",
+                ResourceWarning,
+                stacklevel=1,
+                source=self,
+            )
+
+
+@dataclass(eq=False)
+class MemoryObjectSendStream(ObjectSendStream[T_contra], Generic[T_contra]):
+    _state: _MemoryObjectStreamState[T_contra]
+    _closed: bool = field(init=False, default=False)
+
+    def __post_init__(self) -> None:
+        self._state.open_send_channels += 1
+
+    def send_nowait(self, item: T_contra) -> None:
+        """
+        Send an item immediately if it can be done without waiting.
+
+        :param item: the item to send
+        :raises ~anyio.ClosedResourceError: if this send stream has been closed
+        :raises ~anyio.BrokenResourceError: if the stream has been closed from the
+            receiving end
+        :raises ~anyio.WouldBlock: if the buffer is full and there are no tasks waiting
+            to receive
+
+        """
+        if self._closed:
+            raise ClosedResourceError
+        if not self._state.open_receive_channels:
+            raise BrokenResourceError
+
+        while self._state.waiting_receivers:
+            receive_event, receiver = self._state.waiting_receivers.popitem(last=False)
+            if not receiver.task_info.has_pending_cancellation():
+                receiver.item = item
+                receive_event.set()
+                return
+
+        if len(self._state.buffer) < self._state.max_buffer_size:
+            self._state.buffer.append(item)
+        else:
+            raise WouldBlock
+
+    async def send(self, item: T_contra) -> None:
+        """
+        Send an item to the stream.
+
+        If the buffer is full, this method blocks until there is again room in the
+        buffer or the item can be sent directly to a receiver.
+
+        :param item: the item to send
+        :raises ~anyio.ClosedResourceError: if this send stream has been closed
+        :raises ~anyio.BrokenResourceError: if the stream has been closed from the
+            receiving end
+
+        """
+        await checkpoint()
+        try:
+            self.send_nowait(item)
+        except WouldBlock:
+            # Wait until there's someone on the receiving end
+            send_event = Event()
+            self._state.waiting_senders[send_event] = item
+            try:
+                await send_event.wait()
+            except BaseException:
+                self._state.waiting_senders.pop(send_event, None)
+                raise
+
+            if send_event in self._state.waiting_senders:
+                del self._state.waiting_senders[send_event]
+                raise BrokenResourceError from None
+
+    def clone(self) -> MemoryObjectSendStream[T_contra]:
+        """
+        Create a clone of this send stream.
+
+        Each clone can be closed separately. Only when all clones have been closed will
+        the sending end of the memory stream be considered closed by the receiving ends.
+
+        :return: the cloned stream
+
+        """
+        if self._closed:
+            raise ClosedResourceError
+
+        return MemoryObjectSendStream(_state=self._state)
+
+    def close(self) -> None:
+        """
+        Close the stream.
+
+        This works the exact same way as :meth:`aclose`, but is provided as a special
+        case for the benefit of synchronous callbacks.
+
+        """
+        if not self._closed:
+            self._closed = True
+            self._state.open_send_channels -= 1
+            if self._state.open_send_channels == 0:
+                receive_events = list(self._state.waiting_receivers.keys())
+                self._state.waiting_receivers.clear()
+                for event in receive_events:
+                    event.set()
+
+    async def aclose(self) -> None:
+        self.close()
+
+    def statistics(self) -> MemoryObjectStreamStatistics:
+        """
+        Return statistics about the current state of this stream.
+
+        .. versionadded:: 3.0
+        """
+        return self._state.statistics()
+
+    def __enter__(self) -> MemoryObjectSendStream[T_contra]:
+        return self
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        self.close()
+
+    def __del__(self) -> None:
+        if not self._closed:
+            warnings.warn(
+                f"Unclosed <{self.__class__.__name__} at {id(self):x}>",
+                ResourceWarning,
+                stacklevel=1,
+                source=self,
+            )

.venv/lib/python3.12/site-packages/anyio/streams/stapled.py

@@ -0,0 +1,160 @@
+from __future__ import annotations
+
+__all__ = (
+    "MultiListener",
+    "StapledByteStream",
+    "StapledObjectStream",
+)
+
+from collections.abc import Callable, Mapping, Sequence
+from dataclasses import dataclass
+from typing import Any, Generic, TypeVar
+
+from ..abc import (
+    ByteReceiveStream,
+    ByteSendStream,
+    ByteStream,
+    Listener,
+    ObjectReceiveStream,
+    ObjectSendStream,
+    ObjectStream,
+    TaskGroup,
+)
+
+T_Item = TypeVar("T_Item")
+T_Stream = TypeVar("T_Stream")
+
+
+@dataclass(eq=False)
+class StapledByteStream(ByteStream):
+    """
+    Combines two byte streams into a single, bidirectional byte stream.
+
+    Extra attributes will be provided from both streams, with the receive stream
+    providing the values in case of a conflict.
+
+    :param ByteSendStream send_stream: the sending byte stream
+    :param ByteReceiveStream receive_stream: the receiving byte stream
+    """
+
+    send_stream: ByteSendStream
+    receive_stream: ByteReceiveStream
+
+    async def receive(self, max_bytes: int = 65536) -> bytes:
+        if max_bytes < 1:
+            raise ValueError("max_bytes must be a positive integer")
+
+        return await self.receive_stream.receive(max_bytes)
+
+    async def send(self, item: bytes) -> None:
+        await self.send_stream.send(item)
+
+    async def send_eof(self) -> None:
+        await self.send_stream.aclose()
+
+    async def aclose(self) -> None:
+        await self.send_stream.aclose()
+        await self.receive_stream.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return {
+            **self.send_stream.extra_attributes,
+            **self.receive_stream.extra_attributes,
+        }
+
+
+@dataclass(eq=False)
+class StapledObjectStream(ObjectStream[T_Item], Generic[T_Item]):
+    """
+    Combines two object streams into a single, bidirectional object stream.
+
+    Extra attributes will be provided from both streams, with the receive stream
+    providing the values in case of a conflict.
+
+    :param ObjectSendStream send_stream: the sending object stream
+    :param ObjectReceiveStream receive_stream: the receiving object stream
+    """
+
+    send_stream: ObjectSendStream[T_Item]
+    receive_stream: ObjectReceiveStream[T_Item]
+
+    async def receive(self) -> T_Item:
+        return await self.receive_stream.receive()
+
+    async def send(self, item: T_Item) -> None:
+        await self.send_stream.send(item)
+
+    def send_nowait(self, item: T_Item) -> None:
+        try:
+            send_nowait = self.send_stream.send_nowait  # type: ignore[attr-defined]
+        except AttributeError as exc:
+            raise NotImplementedError(
+                f"'send_nowait' method not implemented in {type(self.send_stream)}"
+            ) from exc
+
+        send_nowait(item)
+
+    async def send_eof(self) -> None:
+        await self.send_stream.aclose()
+
+    async def aclose(self) -> None:
+        await self.send_stream.aclose()
+        await self.receive_stream.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return {
+            **self.send_stream.extra_attributes,
+            **self.receive_stream.extra_attributes,
+        }
+
+
+@dataclass(eq=False)
+class MultiListener(Listener[T_Stream], Generic[T_Stream]):
+    """
+    Combines multiple listeners into one, serving connections from all of them at once.
+
+    Any MultiListeners in the given collection of listeners will have their listeners
+    moved into this one.
+
+    Extra attributes are provided from each listener, with each successive listener
+    overriding any conflicting attributes from the previous one.
+
+    :param listeners: listeners to serve
+    :type listeners: Sequence[Listener[T_Stream]]
+    """
+
+    listeners: Sequence[Listener[T_Stream]]
+
+    def __post_init__(self) -> None:
+        listeners: list[Listener[T_Stream]] = []
+        for listener in self.listeners:
+            if isinstance(listener, MultiListener):
+                listeners.extend(listener.listeners)
+                del listener.listeners[:]  # type: ignore[attr-defined]
+            else:
+                listeners.append(listener)
+
+        self.listeners = listeners
+
+    async def serve(
+        self, handler: Callable[[T_Stream], Any], task_group: TaskGroup | None = None
+    ) -> None:
+        from .. import create_task_group
+
+        async with create_task_group() as tg:
+            for listener in self.listeners:
+                tg.start_soon(listener.serve, handler, task_group)
+
+    async def aclose(self) -> None:
+        for listener in self.listeners:
+            await listener.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        attributes: dict = {}
+        for listener in self.listeners:
+            attributes.update(listener.extra_attributes)
+
+        return attributes

.venv/lib/python3.12/site-packages/anyio/streams/text.py

@@ -0,0 +1,176 @@
+from __future__ import annotations
+
+__all__ = (
+    "TextConnectable",
+    "TextReceiveStream",
+    "TextSendStream",
+    "TextStream",
+)
+
+import codecs
+import sys
+from collections.abc import Callable, Mapping
+from dataclasses import InitVar, dataclass, field
+from typing import Any
+
+from ..abc import (
+    AnyByteReceiveStream,
+    AnyByteSendStream,
+    AnyByteStream,
+    AnyByteStreamConnectable,
+    ObjectReceiveStream,
+    ObjectSendStream,
+    ObjectStream,
+    ObjectStreamConnectable,
+)
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from typing_extensions import override
+
+
+@dataclass(eq=False)
+class TextReceiveStream(ObjectReceiveStream[str]):
+    """
+    Stream wrapper that decodes bytes to strings using the given encoding.
+
+    Decoding is done using :class:`~codecs.IncrementalDecoder` which returns any
+    completely received unicode characters as soon as they come in.
+
+    :param transport_stream: any bytes-based receive stream
+    :param encoding: character encoding to use for decoding bytes to strings (defaults
+        to ``utf-8``)
+    :param errors: handling scheme for decoding errors (defaults to ``strict``; see the
+        `codecs module documentation`_ for a comprehensive list of options)
+
+    .. _codecs module documentation:
+        https://docs.python.org/3/library/codecs.html#codec-objects
+    """
+
+    transport_stream: AnyByteReceiveStream
+    encoding: InitVar[str] = "utf-8"
+    errors: InitVar[str] = "strict"
+    _decoder: codecs.IncrementalDecoder = field(init=False)
+
+    def __post_init__(self, encoding: str, errors: str) -> None:
+        decoder_class = codecs.getincrementaldecoder(encoding)
+        self._decoder = decoder_class(errors=errors)
+
+    async def receive(self) -> str:
+        while True:
+            chunk = await self.transport_stream.receive()
+            decoded = self._decoder.decode(chunk)
+            if decoded:
+                return decoded
+
+    async def aclose(self) -> None:
+        await self.transport_stream.aclose()
+        self._decoder.reset()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return self.transport_stream.extra_attributes
+
+
+@dataclass(eq=False)
+class TextSendStream(ObjectSendStream[str]):
+    """
+    Sends strings to the wrapped stream as bytes using the given encoding.
+
+    :param AnyByteSendStream transport_stream: any bytes-based send stream
+    :param str encoding: character encoding to use for encoding strings to bytes
+        (defaults to ``utf-8``)
+    :param str errors: handling scheme for encoding errors (defaults to ``strict``; see
+        the `codecs module documentation`_ for a comprehensive list of options)
+
+    .. _codecs module documentation:
+        https://docs.python.org/3/library/codecs.html#codec-objects
+    """
+
+    transport_stream: AnyByteSendStream
+    encoding: InitVar[str] = "utf-8"
+    errors: str = "strict"
+    _encoder: Callable[..., tuple[bytes, int]] = field(init=False)
+
+    def __post_init__(self, encoding: str) -> None:
+        self._encoder = codecs.getencoder(encoding)
+
+    async def send(self, item: str) -> None:
+        encoded = self._encoder(item, self.errors)[0]
+        await self.transport_stream.send(encoded)
+
+    async def aclose(self) -> None:
+        await self.transport_stream.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return self.transport_stream.extra_attributes
+
+
+@dataclass(eq=False)
+class TextStream(ObjectStream[str]):
+    """
+    A bidirectional stream that decodes bytes to strings on receive and encodes strings
+    to bytes on send.
+
+    Extra attributes will be provided from both streams, with the receive stream
+    providing the values in case of a conflict.
+
+    :param AnyByteStream transport_stream: any bytes-based stream
+    :param str encoding: character encoding to use for encoding/decoding strings to/from
+        bytes (defaults to ``utf-8``)
+    :param str errors: handling scheme for encoding errors (defaults to ``strict``; see
+        the `codecs module documentation`_ for a comprehensive list of options)
+
+    .. _codecs module documentation:
+        https://docs.python.org/3/library/codecs.html#codec-objects
+    """
+
+    transport_stream: AnyByteStream
+    encoding: InitVar[str] = "utf-8"
+    errors: InitVar[str] = "strict"
+    _receive_stream: TextReceiveStream = field(init=False)
+    _send_stream: TextSendStream = field(init=False)
+
+    def __post_init__(self, encoding: str, errors: str) -> None:
+        self._receive_stream = TextReceiveStream(
+            self.transport_stream, encoding=encoding, errors=errors
+        )
+        self._send_stream = TextSendStream(
+            self.transport_stream, encoding=encoding, errors=errors
+        )
+
+    async def receive(self) -> str:
+        return await self._receive_stream.receive()
+
+    async def send(self, item: str) -> None:
+        await self._send_stream.send(item)
+
+    async def send_eof(self) -> None:
+        await self.transport_stream.send_eof()
+
+    async def aclose(self) -> None:
+        await self._send_stream.aclose()
+        await self._receive_stream.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return {
+            **self._send_stream.extra_attributes,
+            **self._receive_stream.extra_attributes,
+        }
+
+
+class TextConnectable(ObjectStreamConnectable[str]):
+    def __init__(self, connectable: AnyByteStreamConnectable):
+        """
+        :param connectable: the bytestream endpoint to wrap
+
+        """
+        self.connectable = connectable
+
+    @override
+    async def connect(self) -> TextStream:
+        stream = await self.connectable.connect()
+        return TextStream(stream)

.venv/lib/python3.12/site-packages/anyio/streams/tls.py

@@ -0,0 +1,436 @@
+from __future__ import annotations
+
+__all__ = (
+    "TLSAttribute",
+    "TLSConnectable",
+    "TLSListener",
+    "TLSStream",
+)
+
+import logging
+import re
+import ssl
+import sys
+from collections.abc import Callable, Mapping
+from dataclasses import dataclass
+from functools import wraps
+from ssl import SSLContext
+from typing import Any, TypeAlias, TypeVar
+
+from .. import (
+    BrokenResourceError,
+    EndOfStream,
+    aclose_forcefully,
+    get_cancelled_exc_class,
+    to_thread,
+)
+from .._core._typedattr import TypedAttributeSet, typed_attribute
+from ..abc import (
+    AnyByteStream,
+    AnyByteStreamConnectable,
+    ByteStream,
+    ByteStreamConnectable,
+    Listener,
+    TaskGroup,
+)
+
+if sys.version_info >= (3, 11):
+    from typing import TypeVarTuple, Unpack
+else:
+    from typing_extensions import TypeVarTuple, Unpack
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from typing_extensions import override
+
+T_Retval = TypeVar("T_Retval")
+PosArgsT = TypeVarTuple("PosArgsT")
+_PCTRTT: TypeAlias = tuple[tuple[str, str], ...]
+_PCTRTTT: TypeAlias = tuple[_PCTRTT, ...]
+
+
+class TLSAttribute(TypedAttributeSet):
+    """Contains Transport Layer Security related attributes."""
+
+    #: the selected ALPN protocol
+    alpn_protocol: str | None = typed_attribute()
+    #: the channel binding for type ``tls-unique``
+    channel_binding_tls_unique: bytes = typed_attribute()
+    #: the selected cipher
+    cipher: tuple[str, str, int] = typed_attribute()
+    #: the peer certificate in dictionary form (see :meth:`ssl.SSLSocket.getpeercert`
+    # for more information)
+    peer_certificate: None | (dict[str, str | _PCTRTTT | _PCTRTT]) = typed_attribute()
+    #: the peer certificate in binary form
+    peer_certificate_binary: bytes | None = typed_attribute()
+    #: ``True`` if this is the server side of the connection
+    server_side: bool = typed_attribute()
+    #: ciphers shared by the client during the TLS handshake (``None`` if this is the
+    #: client side)
+    shared_ciphers: list[tuple[str, str, int]] | None = typed_attribute()
+    #: the :class:`~ssl.SSLObject` used for encryption
+    ssl_object: ssl.SSLObject = typed_attribute()
+    #: ``True`` if this stream does (and expects) a closing TLS handshake when the
+    #: stream is being closed
+    standard_compatible: bool = typed_attribute()
+    #: the TLS protocol version (e.g. ``TLSv1.2``)
+    tls_version: str = typed_attribute()
+
+
+@dataclass(eq=False)
+class TLSStream(ByteStream):
+    """
+    A stream wrapper that encrypts all sent data and decrypts received data.
+
+    This class has no public initializer; use :meth:`wrap` instead.
+    All extra attributes from :class:`~TLSAttribute` are supported.
+
+    :var AnyByteStream transport_stream: the wrapped stream
+
+    """
+
+    transport_stream: AnyByteStream
+    standard_compatible: bool
+    _ssl_object: ssl.SSLObject
+    _read_bio: ssl.MemoryBIO
+    _write_bio: ssl.MemoryBIO
+
+    @classmethod
+    async def wrap(
+        cls,
+        transport_stream: AnyByteStream,
+        *,
+        server_side: bool | None = None,
+        hostname: str | None = None,
+        ssl_context: ssl.SSLContext | None = None,
+        standard_compatible: bool = True,
+    ) -> TLSStream:
+        """
+        Wrap an existing stream with Transport Layer Security.
+
+        This performs a TLS handshake with the peer.
+
+        :param transport_stream: a bytes-transporting stream to wrap
+        :param server_side: ``True`` if this is the server side of the connection,
+            ``False`` if this is the client side (if omitted, will be set to ``False``
+            if ``hostname`` has been provided, ``False`` otherwise). Used only to create
+            a default context when an explicit context has not been provided.
+        :param hostname: host name of the peer (if host name checking is desired)
+        :param ssl_context: the SSLContext object to use (if not provided, a secure
+            default will be created)
+        :param standard_compatible: if ``False``, skip the closing handshake when
+            closing the connection, and don't raise an exception if the peer does the
+            same
+        :raises ~ssl.SSLError: if the TLS handshake fails
+
+        """
+        if server_side is None:
+            server_side = not hostname
+
+        if not ssl_context:
+            purpose = (
+                ssl.Purpose.CLIENT_AUTH if server_side else ssl.Purpose.SERVER_AUTH
+            )
+            ssl_context = ssl.create_default_context(purpose)
+
+            # Re-enable detection of unexpected EOFs if it was disabled by Python
+            if hasattr(ssl, "OP_IGNORE_UNEXPECTED_EOF"):
+                ssl_context.options &= ~ssl.OP_IGNORE_UNEXPECTED_EOF
+
+        bio_in = ssl.MemoryBIO()
+        bio_out = ssl.MemoryBIO()
+
+        # Resolve international host names using IDNA 2008.
+        # Otherwise wrap_bio() would resolve them with IDNA 2003.
+        if hostname is not None:
+            from .._core._sockets import idna2008_resolve
+
+            server_hostname: bytes | None = idna2008_resolve(hostname)
+        else:
+            server_hostname = None
+
+        # External SSLContext implementations may do blocking I/O in wrap_bio(),
+        # but the standard library implementation won't
+        if type(ssl_context) is ssl.SSLContext:
+            ssl_object = ssl_context.wrap_bio(
+                bio_in,
+                bio_out,
+                server_side=server_side,
+                server_hostname=server_hostname,
+            )
+        else:
+            ssl_object = await to_thread.run_sync(
+                ssl_context.wrap_bio,
+                bio_in,
+                bio_out,
+                server_side,
+                server_hostname,
+                None,
+            )
+
+        wrapper = cls(
+            transport_stream=transport_stream,
+            standard_compatible=standard_compatible,
+            _ssl_object=ssl_object,
+            _read_bio=bio_in,
+            _write_bio=bio_out,
+        )
+        await wrapper._call_sslobject_method(ssl_object.do_handshake)
+        return wrapper
+
+    async def _call_sslobject_method(
+        self, func: Callable[[Unpack[PosArgsT]], T_Retval], *args: Unpack[PosArgsT]
+    ) -> T_Retval:
+        while True:
+            try:
+                result = func(*args)
+            except ssl.SSLWantReadError:
+                try:
+                    # Flush any pending writes first
+                    if self._write_bio.pending:
+                        await self.transport_stream.send(self._write_bio.read())
+
+                    data = await self.transport_stream.receive()
+                except EndOfStream:
+                    self._read_bio.write_eof()
+                except OSError as exc:
+                    self._read_bio.write_eof()
+                    self._write_bio.write_eof()
+                    raise BrokenResourceError from exc
+                else:
+                    self._read_bio.write(data)
+            except ssl.SSLWantWriteError:
+                await self.transport_stream.send(self._write_bio.read())
+            except ssl.SSLSyscallError as exc:
+                self._read_bio.write_eof()
+                self._write_bio.write_eof()
+                raise BrokenResourceError from exc
+            except ssl.SSLError as exc:
+                self._read_bio.write_eof()
+                self._write_bio.write_eof()
+                if isinstance(exc, ssl.SSLEOFError) or (
+                    exc.strerror and "UNEXPECTED_EOF_WHILE_READING" in exc.strerror
+                ):
+                    if self.standard_compatible:
+                        raise BrokenResourceError from exc
+                    else:
+                        raise EndOfStream from None
+
+                raise
+            else:
+                # Flush any pending writes first
+                if self._write_bio.pending:
+                    await self.transport_stream.send(self._write_bio.read())
+
+                return result
+
+    async def unwrap(self) -> tuple[AnyByteStream, bytes]:
+        """
+        Does the TLS closing handshake.
+
+        :return: a tuple of (wrapped byte stream, bytes left in the read buffer)
+
+        """
+        await self._call_sslobject_method(self._ssl_object.unwrap)
+        self._read_bio.write_eof()
+        self._write_bio.write_eof()
+        return self.transport_stream, self._read_bio.read()
+
+    async def aclose(self) -> None:
+        if self.standard_compatible:
+            try:
+                await self.unwrap()
+            except BaseException:
+                await aclose_forcefully(self.transport_stream)
+                raise
+
+        await self.transport_stream.aclose()
+
+    async def receive(self, max_bytes: int = 65536) -> bytes:
+        if max_bytes < 1:
+            raise ValueError("max_bytes must be a positive integer")
+
+        data = await self._call_sslobject_method(self._ssl_object.read, max_bytes)
+        if not data:
+            raise EndOfStream
+
+        return data
+
+    async def send(self, item: bytes) -> None:
+        await self._call_sslobject_method(self._ssl_object.write, item)
+
+    async def send_eof(self) -> None:
+        tls_version = self.extra(TLSAttribute.tls_version)
+        match = re.match(r"TLSv(\d+)(?:\.(\d+))?", tls_version)
+        if match:
+            major, minor = int(match.group(1)), int(match.group(2) or 0)
+            if (major, minor) < (1, 3):
+                raise NotImplementedError(
+                    f"send_eof() requires at least TLSv1.3; current "
+                    f"session uses {tls_version}"
+                )
+
+        raise NotImplementedError(
+            "send_eof() has not yet been implemented for TLS streams"
+        )
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return {
+            **self.transport_stream.extra_attributes,
+            TLSAttribute.alpn_protocol: self._ssl_object.selected_alpn_protocol,
+            TLSAttribute.channel_binding_tls_unique: (
+                self._ssl_object.get_channel_binding
+            ),
+            TLSAttribute.cipher: self._ssl_object.cipher,
+            TLSAttribute.peer_certificate: lambda: self._ssl_object.getpeercert(False),
+            TLSAttribute.peer_certificate_binary: lambda: self._ssl_object.getpeercert(
+                True
+            ),
+            TLSAttribute.server_side: lambda: self._ssl_object.server_side,
+            TLSAttribute.shared_ciphers: lambda: (
+                self._ssl_object.shared_ciphers()
+                if self._ssl_object.server_side
+                else None
+            ),
+            TLSAttribute.standard_compatible: lambda: self.standard_compatible,
+            TLSAttribute.ssl_object: lambda: self._ssl_object,
+            TLSAttribute.tls_version: self._ssl_object.version,
+        }
+
+
+@dataclass(eq=False)
+class TLSListener(Listener[TLSStream]):
+    """
+    A convenience listener that wraps another listener and auto-negotiates a TLS session
+    on every accepted connection.
+
+    If the TLS handshake times out or raises an exception,
+    :meth:`handle_handshake_error` is called to do whatever post-mortem processing is
+    deemed necessary.
+
+    Supports only the :attr:`~TLSAttribute.standard_compatible` extra attribute.
+
+    :param Listener listener: the listener to wrap
+    :param ssl_context: the SSL context object
+    :param standard_compatible: a flag passed through to :meth:`TLSStream.wrap`
+    :param handshake_timeout: time limit for the TLS handshake
+        (passed to :func:`~anyio.fail_after`)
+    """
+
+    listener: Listener[Any]
+    ssl_context: ssl.SSLContext
+    standard_compatible: bool = True
+    handshake_timeout: float = 30
+
+    @staticmethod
+    async def handle_handshake_error(exc: BaseException, stream: AnyByteStream) -> None:
+        """
+        Handle an exception raised during the TLS handshake.
+
+        This method does 3 things:
+
+        #. Forcefully closes the original stream
+        #. Logs the exception (unless it was a cancellation exception) using the
+           ``anyio.streams.tls`` logger
+        #. Reraises the exception if it was a base exception or a cancellation exception
+
+        :param exc: the exception
+        :param stream: the original stream
+
+        """
+        await aclose_forcefully(stream)
+
+        # Log all except cancellation exceptions
+        if not isinstance(exc, get_cancelled_exc_class()):
+            # CPython (as of 3.11.5) returns incorrect `sys.exc_info()` here when using
+            # any asyncio implementation, so we explicitly pass the exception to log
+            # (https://github.com/python/cpython/issues/108668). Trio does not have this
+            # issue because it works around the CPython bug.
+            logging.getLogger(__name__).exception(
+                "Error during TLS handshake", exc_info=exc
+            )
+
+        # Only reraise base exceptions and cancellation exceptions
+        if not isinstance(exc, Exception) or isinstance(exc, get_cancelled_exc_class()):
+            raise  # noqa: PLE0704
+
+    async def serve(
+        self,
+        handler: Callable[[TLSStream], Any],
+        task_group: TaskGroup | None = None,
+    ) -> None:
+        @wraps(handler)
+        async def handler_wrapper(stream: AnyByteStream) -> None:
+            from .. import fail_after
+
+            try:
+                with fail_after(self.handshake_timeout):
+                    wrapped_stream = await TLSStream.wrap(
+                        stream,
+                        ssl_context=self.ssl_context,
+                        standard_compatible=self.standard_compatible,
+                    )
+            except BaseException as exc:
+                await self.handle_handshake_error(exc, stream)
+            else:
+                await handler(wrapped_stream)
+
+        await self.listener.serve(handler_wrapper, task_group)
+
+    async def aclose(self) -> None:
+        await self.listener.aclose()
+
+    @property
+    def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]:
+        return {
+            TLSAttribute.standard_compatible: lambda: self.standard_compatible,
+        }
+
+
+class TLSConnectable(ByteStreamConnectable):
+    """
+    Wraps another connectable and does TLS negotiation after a successful connection.
+
+    :param connectable: the connectable to wrap
+    :param hostname: host name of the server (if host name checking is desired)
+    :param ssl_context: the SSLContext object to use (if not provided, a secure default
+        will be created)
+    :param standard_compatible: if ``False``, skip the closing handshake when closing
+        the connection, and don't raise an exception if the server does the same
+    """
+
+    def __init__(
+        self,
+        connectable: AnyByteStreamConnectable,
+        *,
+        hostname: str | None = None,
+        ssl_context: ssl.SSLContext | None = None,
+        standard_compatible: bool = True,
+    ) -> None:
+        self.connectable = connectable
+        self.ssl_context: SSLContext = ssl_context or ssl.create_default_context(
+            ssl.Purpose.SERVER_AUTH
+        )
+        if not isinstance(self.ssl_context, ssl.SSLContext):
+            raise TypeError(
+                "ssl_context must be an instance of ssl.SSLContext, not "
+                f"{type(self.ssl_context).__name__}"
+            )
+        self.hostname = hostname
+        self.standard_compatible = standard_compatible
+
+    @override
+    async def connect(self) -> TLSStream:
+        stream = await self.connectable.connect()
+        try:
+            return await TLSStream.wrap(
+                stream,
+                hostname=self.hostname,
+                ssl_context=self.ssl_context,
+                standard_compatible=self.standard_compatible,
+            )
+        except BaseException:
+            await aclose_forcefully(stream)
+            raise

.venv/lib/python3.12/site-packages/anyio/to_interpreter.py

@@ -0,0 +1,246 @@
+from __future__ import annotations
+
+__all__ = (
+    "current_default_interpreter_limiter",
+    "run_sync",
+)
+
+import atexit
+import os
+import sys
+from collections import deque
+from collections.abc import Callable
+from typing import Any, Final, TypeVar
+
+from . import current_time, to_thread
+from ._core._exceptions import BrokenWorkerInterpreter
+from ._core._synchronization import CapacityLimiter
+from .lowlevel import RunVar
+
+if sys.version_info >= (3, 11):
+    from typing import TypeVarTuple, Unpack
+else:
+    from typing_extensions import TypeVarTuple, Unpack
+
+if sys.version_info >= (3, 14):
+    from concurrent.interpreters import ExecutionFailed, create
+
+    def _interp_call(
+        func: Callable[..., Any], args: tuple[Any, ...]
+    ) -> tuple[Any, bool]:
+        try:
+            retval = func(*args)
+        except BaseException as exc:
+            return exc, True
+        else:
+            return retval, False
+
+    class _Worker:
+        last_used: float = 0
+
+        def __init__(self) -> None:
+            self._interpreter = create()
+
+        def destroy(self) -> None:
+            self._interpreter.close()
+
+        def call(
+            self,
+            func: Callable[..., T_Retval],
+            args: tuple[Any, ...],
+        ) -> T_Retval:
+            try:
+                res, is_exception = self._interpreter.call(_interp_call, func, args)
+            except ExecutionFailed as exc:
+                raise BrokenWorkerInterpreter(exc.excinfo) from exc
+
+            if is_exception:
+                raise res
+
+            return res
+elif sys.version_info >= (3, 13):
+    import _interpqueues
+    import _interpreters
+
+    UNBOUND: Final = 2  # I have no clue how this works, but it was used in the stdlib
+    FMT_UNPICKLED: Final = 0
+    FMT_PICKLED: Final = 1
+    QUEUE_PICKLE_ARGS: Final = (FMT_PICKLED, UNBOUND)
+    QUEUE_UNPICKLE_ARGS: Final = (FMT_UNPICKLED, UNBOUND)
+
+    _run_func = compile(
+        """
+import _interpqueues
+from _interpreters import NotShareableError
+from pickle import loads, dumps, HIGHEST_PROTOCOL
+
+QUEUE_PICKLE_ARGS = (1, 2)
+QUEUE_UNPICKLE_ARGS = (0, 2)
+
+item = _interpqueues.get(queue_id)[0]
+try:
+    func, args = loads(item)
+    retval = func(*args)
+except BaseException as exc:
+    is_exception = True
+    retval = exc
+else:
+    is_exception = False
+
+try:
+    _interpqueues.put(queue_id, (retval, is_exception), *QUEUE_UNPICKLE_ARGS)
+except NotShareableError:
+    retval = dumps(retval, HIGHEST_PROTOCOL)
+    _interpqueues.put(queue_id, (retval, is_exception), *QUEUE_PICKLE_ARGS)
+    """,
+        "<string>",
+        "exec",
+    )
+
+    class _Worker:
+        last_used: float = 0
+
+        def __init__(self) -> None:
+            self._interpreter_id = _interpreters.create()
+            self._queue_id = _interpqueues.create(1, *QUEUE_UNPICKLE_ARGS)
+            _interpreters.set___main___attrs(
+                self._interpreter_id, {"queue_id": self._queue_id}
+            )
+
+        def destroy(self) -> None:
+            _interpqueues.destroy(self._queue_id)
+            _interpreters.destroy(self._interpreter_id)
+
+        def call(
+            self,
+            func: Callable[..., T_Retval],
+            args: tuple[Any, ...],
+        ) -> T_Retval:
+            import pickle
+
+            item = pickle.dumps((func, args), pickle.HIGHEST_PROTOCOL)
+            _interpqueues.put(self._queue_id, item, *QUEUE_PICKLE_ARGS)
+            exc_info = _interpreters.exec(self._interpreter_id, _run_func)
+            if exc_info:
+                raise BrokenWorkerInterpreter(exc_info)
+
+            res = _interpqueues.get(self._queue_id)
+            (res, is_exception), fmt = res[:2]
+            if fmt == FMT_PICKLED:
+                res = pickle.loads(res)
+
+            if is_exception:
+                raise res
+
+            return res
+else:
+
+    class _Worker:
+        last_used: float = 0
+
+        def __init__(self) -> None:
+            raise RuntimeError("subinterpreters require at least Python 3.13")
+
+        def call(
+            self,
+            func: Callable[..., T_Retval],
+            args: tuple[Any, ...],
+        ) -> T_Retval:
+            raise NotImplementedError
+
+        def destroy(self) -> None:
+            pass
+
+
+DEFAULT_CPU_COUNT: Final = 8  # this is just an arbitrarily selected value
+MAX_WORKER_IDLE_TIME = (
+    30  # seconds a subinterpreter can be idle before becoming eligible for pruning
+)
+
+T_Retval = TypeVar("T_Retval")
+PosArgsT = TypeVarTuple("PosArgsT")
+
+_idle_workers = RunVar[deque[_Worker]]("_available_workers")
+_default_interpreter_limiter = RunVar[CapacityLimiter]("_default_interpreter_limiter")
+
+
+def _stop_workers(workers: deque[_Worker]) -> None:
+    for worker in workers:
+        worker.destroy()
+
+    workers.clear()
+
+
+async def run_sync(
+    func: Callable[[Unpack[PosArgsT]], T_Retval],
+    *args: Unpack[PosArgsT],
+    limiter: CapacityLimiter | None = None,
+) -> T_Retval:
+    """
+    Call the given function with the given arguments in a subinterpreter.
+
+    .. warning:: On Python 3.13, the :mod:`concurrent.interpreters` module was not yet
+        available, so the code path for that Python version relies on an undocumented,
+        private API. As such, it is recommended to not rely on this function for anything
+        mission-critical on Python 3.13.
+
+    :param func: a callable
+    :param args: the positional arguments for the callable
+    :param limiter: capacity limiter to use to limit the total number of subinterpreters
+        running (if omitted, the default limiter is used)
+    :return: the result of the call
+    :raises BrokenWorkerInterpreter: if there's an internal error in a subinterpreter
+
+    """
+    if limiter is None:
+        limiter = current_default_interpreter_limiter()
+
+    try:
+        idle_workers = _idle_workers.get()
+    except LookupError:
+        idle_workers = deque()
+        _idle_workers.set(idle_workers)
+        atexit.register(_stop_workers, idle_workers)
+
+    async with limiter:
+        try:
+            worker = idle_workers.pop()
+        except IndexError:
+            worker = _Worker()
+
+    try:
+        return await to_thread.run_sync(
+            worker.call,
+            func,
+            args,
+            limiter=limiter,
+        )
+    finally:
+        # Prune workers that have been idle for too long
+        now = current_time()
+        while idle_workers:
+            if now - idle_workers[0].last_used <= MAX_WORKER_IDLE_TIME:
+                break
+
+            await to_thread.run_sync(idle_workers.popleft().destroy, limiter=limiter)
+
+        worker.last_used = current_time()
+        idle_workers.append(worker)
+
+
+def current_default_interpreter_limiter() -> CapacityLimiter:
+    """
+    Return the capacity limiter used by default to limit the number of concurrently
+    running subinterpreters.
+
+    Defaults to the number of CPU cores.
+
+    :return: a capacity limiter object
+
+    """
+    try:
+        return _default_interpreter_limiter.get()
+    except LookupError:
+        limiter = CapacityLimiter(os.cpu_count() or DEFAULT_CPU_COUNT)
+        _default_interpreter_limiter.set(limiter)
+        return limiter

.venv/lib/python3.12/site-packages/anyio/to_process.py

@@ -0,0 +1,269 @@
+from __future__ import annotations
+
+__all__ = (
+    "current_default_process_limiter",
+    "process_worker",
+    "run_sync",
+)
+
+import os
+import pickle
+import runpy
+import subprocess
+import sys
+from collections import deque
+from collections.abc import Callable
+from types import ModuleType
+from typing import TypeVar, cast
+
+from ._core._eventloop import current_time, get_async_backend, get_cancelled_exc_class
+from ._core._exceptions import BrokenWorkerProcess
+from ._core._subprocesses import open_process
+from ._core._synchronization import CapacityLimiter
+from ._core._tasks import CancelScope, fail_after
+from .abc import ByteReceiveStream, ByteSendStream, Process
+from .lowlevel import RunVar, checkpoint_if_cancelled
+from .streams.buffered import BufferedByteReceiveStream
+
+if sys.version_info >= (3, 11):
+    from typing import TypeVarTuple, Unpack
+else:
+    from typing_extensions import TypeVarTuple, Unpack
+
+WORKER_MAX_IDLE_TIME = 300  # 5 minutes
+
+T_Retval = TypeVar("T_Retval")
+PosArgsT = TypeVarTuple("PosArgsT")
+
+_process_pool_workers: RunVar[set[Process]] = RunVar("_process_pool_workers")
+_process_pool_idle_workers: RunVar[deque[tuple[Process, float]]] = RunVar(
+    "_process_pool_idle_workers"
+)
+_default_process_limiter: RunVar[CapacityLimiter] = RunVar("_default_process_limiter")
+
+
+async def run_sync(  # type: ignore[return]
+    func: Callable[[Unpack[PosArgsT]], T_Retval],
+    *args: Unpack[PosArgsT],
+    cancellable: bool = False,
+    limiter: CapacityLimiter | None = None,
+) -> T_Retval:
+    """
+    Call the given function with the given arguments in a worker process.
+
+    If the ``cancellable`` option is enabled and the task waiting for its completion is
+    cancelled, the worker process running it will be abruptly terminated using SIGKILL
+    (or ``terminateProcess()`` on Windows).
+
+    :param func: a callable
+    :param args: positional arguments for the callable
+    :param cancellable: ``True`` to allow cancellation of the operation while it's
+        running
+    :param limiter: capacity limiter to use to limit the total amount of processes
+        running (if omitted, the default limiter is used)
+    :raises NoEventLoopError: if no supported asynchronous event loop is running in the
+        current thread
+    :return: an awaitable that yields the return value of the function.
+
+    """
+
+    async def send_raw_command(pickled_cmd: bytes) -> object:
+        try:
+            await stdin.send(pickled_cmd)
+            response = await buffered.receive_until(b"\n", 50)
+            status, length = response.split(b" ")
+            if status not in (b"RETURN", b"EXCEPTION"):
+                raise RuntimeError(
+                    f"Worker process returned unexpected response: {response!r}"
+                )
+
+            pickled_response = await buffered.receive_exactly(int(length))
+        except BaseException as exc:
+            workers.discard(process)
+            try:
+                process.kill()
+                with CancelScope(shield=True):
+                    await process.aclose()
+            except ProcessLookupError:
+                pass
+
+            if isinstance(exc, get_cancelled_exc_class()):
+                raise
+            else:
+                raise BrokenWorkerProcess from exc
+
+        retval = pickle.loads(pickled_response)
+        if status == b"EXCEPTION":
+            assert isinstance(retval, BaseException)
+            raise retval
+        else:
+            return retval
+
+    # First pickle the request before trying to reserve a worker process
+    await checkpoint_if_cancelled()
+    request = pickle.dumps(("run", func, args), protocol=pickle.HIGHEST_PROTOCOL)
+
+    # If this is the first run in this event loop thread, set up the necessary variables
+    try:
+        workers = _process_pool_workers.get()
+        idle_workers = _process_pool_idle_workers.get()
+    except LookupError:
+        workers = set()
+        idle_workers = deque()
+        _process_pool_workers.set(workers)
+        _process_pool_idle_workers.set(idle_workers)
+        get_async_backend().setup_process_pool_exit_at_shutdown(workers)
+
+    async with limiter or current_default_process_limiter():
+        # Pop processes from the pool (starting from the most recently used) until we
+        # find one that hasn't exited yet
+        process: Process
+        while idle_workers:
+            process, _idle_since = idle_workers.pop()
+            if process.returncode is None:
+                stdin = cast(ByteSendStream, process.stdin)
+                buffered = BufferedByteReceiveStream(
+                    cast(ByteReceiveStream, process.stdout)
+                )
+
+                # Prune any other workers that have been idle for WORKER_MAX_IDLE_TIME
+                # seconds or longer
+                now = current_time()
+                killed_processes: list[Process] = []
+                while idle_workers:
+                    if now - idle_workers[0][1] < WORKER_MAX_IDLE_TIME:
+                        break
+
+                    process_to_kill, _idle_since = idle_workers.popleft()
+                    process_to_kill.kill()
+                    workers.remove(process_to_kill)
+                    killed_processes.append(process_to_kill)
+
+                with CancelScope(shield=True):
+                    for killed_process in killed_processes:
+                        await killed_process.aclose()
+
+                break
+
+            workers.remove(process)
+        else:
+            command = [sys.executable, "-u", "-m", __name__]
+            process = await open_process(
+                command, stdin=subprocess.PIPE, stdout=subprocess.PIPE
+            )
+            try:
+                stdin = cast(ByteSendStream, process.stdin)
+                buffered = BufferedByteReceiveStream(
+                    cast(ByteReceiveStream, process.stdout)
+                )
+                with fail_after(20):
+                    message = await buffered.receive(6)
+
+                if message != b"READY\n":
+                    raise BrokenWorkerProcess(
+                        f"Worker process returned unexpected response: {message!r}"
+                    )
+
+                main_module_path = getattr(sys.modules["__main__"], "__file__", None)
+                pickled = pickle.dumps(
+                    ("init", sys.path, main_module_path),
+                    protocol=pickle.HIGHEST_PROTOCOL,
+                )
+                await send_raw_command(pickled)
+            except (BrokenWorkerProcess, get_cancelled_exc_class()):
+                raise
+            except BaseException as exc:
+                process.kill()
+                raise BrokenWorkerProcess(
+                    "Error during worker process initialization"
+                ) from exc
+
+            workers.add(process)
+
+        with CancelScope(shield=not cancellable):
+            try:
+                return cast(T_Retval, await send_raw_command(request))
+            finally:
+                if process in workers:
+                    idle_workers.append((process, current_time()))
+
+
+def current_default_process_limiter() -> CapacityLimiter:
+    """
+    Return the capacity limiter that is used by default to limit the number of worker
+    processes.
+
+    :return: a capacity limiter object
+
+    """
+    try:
+        return _default_process_limiter.get()
+    except LookupError:
+        limiter = CapacityLimiter(os.cpu_count() or 2)
+        _default_process_limiter.set(limiter)
+        return limiter
+
+
+def process_worker() -> None:
+    # Redirect standard streams to os.devnull so that user code won't interfere with the
+    # parent-worker communication
+    stdin = sys.stdin
+    stdout = sys.stdout
+    sys.stdin = open(os.devnull)
+    sys.stdout = open(os.devnull, "w")
+    sys.stderr = open(os.devnull, "w")
+
+    stdout.buffer.write(b"READY\n")
+    while True:
+        retval = exception = None
+        try:
+            command, *args = pickle.load(stdin.buffer)
+        except EOFError:
+            return
+        except BaseException as exc:
+            exception = exc
+        else:
+            if command == "run":
+                func, args = args
+                try:
+                    retval = func(*args)
+                except BaseException as exc:
+                    exception = exc
+            elif command == "init":
+                main_module_path: str | None
+                sys.path, main_module_path = args
+                del sys.modules["__main__"]
+                if main_module_path and os.path.isfile(main_module_path):
+                    # Load the parent's main module but as __mp_main__ instead of
+                    # __main__ (like multiprocessing does) to avoid infinite recursion
+                    try:
+                        main = ModuleType("__mp_main__")
+                        main_content = runpy.run_path(
+                            main_module_path, run_name="__mp_main__"
+                        )
+                        main.__dict__.update(main_content)
+                        sys.modules["__main__"] = sys.modules["__mp_main__"] = main
+                    except BaseException as exc:
+                        exception = exc
+        try:
+            if exception is not None:
+                status = b"EXCEPTION"
+                pickled = pickle.dumps(exception, pickle.HIGHEST_PROTOCOL)
+            else:
+                status = b"RETURN"
+                pickled = pickle.dumps(retval, pickle.HIGHEST_PROTOCOL)
+        except BaseException as exc:
+            exception = exc
+            status = b"EXCEPTION"
+            pickled = pickle.dumps(exc, pickle.HIGHEST_PROTOCOL)
+
+        stdout.buffer.write(b"%s %d\n" % (status, len(pickled)))
+        stdout.buffer.write(pickled)
+
+        # Respect SIGTERM
+        if isinstance(exception, SystemExit):
+            raise exception
+
+
+if __name__ == "__main__":
+    process_worker()

.venv/lib/python3.12/site-packages/anyio/to_thread.py

@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+__all__ = (
+    "current_default_thread_limiter",
+    "run_sync",
+)
+
+import sys
+from collections.abc import Callable
+from typing import TYPE_CHECKING, TypeVar
+from warnings import warn
+
+from ._core._eventloop import get_async_backend
+
+if TYPE_CHECKING:
+    from ._core._synchronization import CapacityLimiter
+
+if sys.version_info >= (3, 11):
+    from typing import TypeVarTuple, Unpack
+else:
+    from typing_extensions import TypeVarTuple, Unpack
+
+T_Retval = TypeVar("T_Retval")
+PosArgsT = TypeVarTuple("PosArgsT")
+
+
+async def run_sync(
+    func: Callable[[Unpack[PosArgsT]], T_Retval],
+    *args: Unpack[PosArgsT],
+    abandon_on_cancel: bool = False,
+    cancellable: bool | None = None,
+    limiter: CapacityLimiter | None = None,
+) -> T_Retval:
+    """
+    Call the given function with the given arguments in a worker thread.
+
+    If the ``abandon_on_cancel`` option is enabled and the task waiting for its
+    completion is cancelled, the thread will still run its course but its
+    return value (or any raised exception) will be ignored.
+
+    :param func: a callable
+    :param args: positional arguments for the callable
+    :param abandon_on_cancel: ``True`` to abandon the thread (leaving it to run
+        unchecked on own) if the host task is cancelled, ``False`` to ignore
+        cancellations in the host task until the operation has completed in the worker
+        thread
+    :param cancellable: deprecated alias of ``abandon_on_cancel``; will override
+        ``abandon_on_cancel`` if both parameters are passed
+    :param limiter: capacity limiter to use to limit the total amount of threads running
+        (if omitted, the default limiter is used)
+    :raises NoEventLoopError: if no supported asynchronous event loop is running in the
+        current thread
+    :return: an awaitable that yields the return value of the function.
+
+    """
+    if cancellable is not None:
+        abandon_on_cancel = cancellable
+        warn(
+            "The `cancellable=` keyword argument to `anyio.to_thread.run_sync` is "
+            "deprecated since AnyIO 4.1.0; use `abandon_on_cancel=` instead",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+
+    return await get_async_backend().run_sync_in_worker_thread(
+        func, args, abandon_on_cancel=abandon_on_cancel, limiter=limiter
+    )
+
+
+def current_default_thread_limiter() -> CapacityLimiter:
+    """
+    Return the capacity limiter that is used by default to limit the number of
+    concurrent threads.
+
+    :return: a capacity limiter object
+    :raises NoEventLoopError: if no supported asynchronous event loop is running in the
+        current thread
+
+    """
+    return get_async_backend().current_default_thread_limiter()

.venv/lib/python3.12/site-packages/av/__init__.py

@@ -0,0 +1,73 @@
+# MUST import the core before anything else in order to initialize the underlying
+# library that is being wrapped.
+from av._core import time_base, library_versions, ffmpeg_version_info
+
+# Capture logging (by importing it).
+from av import logging
+
+# For convenience, import all common attributes.
+from av.about import __version__
+from av.audio.codeccontext import AudioCodecContext
+from av.audio.fifo import AudioFifo
+from av.audio.format import AudioFormat
+from av.audio.frame import AudioFrame
+from av.audio.layout import AudioLayout
+from av.audio.resampler import AudioResampler
+from av.audio.stream import AudioStream
+from av.bitstream import BitStreamFilterContext, bitstream_filters_available
+from av.codec.codec import Codec, codecs_available
+from av.codec.context import CodecContext
+from av.container import open
+from av.device import DeviceInfo, enumerate_input_devices, enumerate_output_devices
+from av.format import ContainerFormat, formats_available
+from av.packet import Packet
+from av.rational import AVRational
+from av.error import *  # noqa: F403; This is limited to exception types.
+from av.video.codeccontext import VideoCodecContext
+from av.video.format import VideoFormat
+from av.video.frame import VideoFrame
+from av.video.stream import VideoStream
+
+__all__ = (
+    "__version__",
+    "time_base",
+    "ffmpeg_version_info",
+    "library_versions",
+    "AudioCodecContext",
+    "AudioFifo",
+    "AudioFormat",
+    "AudioFrame",
+    "AudioLayout",
+    "AudioResampler",
+    "AudioStream",
+    "BitStreamFilterContext",
+    "bitstream_filters_available",
+    "Codec",
+    "codecs_available",
+    "CodecContext",
+    "open",
+    "DeviceInfo",
+    "enumerate_input_devices",
+    "enumerate_output_devices",
+    "ContainerFormat",
+    "formats_available",
+    "Packet",
+    "VideoCodecContext",
+    "VideoFormat",
+    "VideoFrame",
+    "VideoStream",
+)
+
+
+def get_include() -> str:
+    """
+    Returns the path to the `include` folder to be used when building extensions to av.
+    """
+    import os
+
+    # Installed package
+    include_path = os.path.join(os.path.dirname(__file__), "include")
+    if os.path.exists(include_path):
+        return include_path
+    # Running from source directory
+    return os.path.join(os.path.dirname(__file__), os.pardir, "include")

.venv/lib/python3.12/site-packages/av/__main__.py

@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+import argparse
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--codecs", action="store_true")
+    parser.add_argument("--hwdevices", action="store_true")
+    parser.add_argument("--hwconfigs", action="store_true")
+    parser.add_argument("--version", action="store_true")
+    args = parser.parse_args()
+
+    if args.version:
+        import av
+        import av._core
+
+        print(f"PyAV v{av.__version__}")
+
+        by_config: dict = {}
+        for libname, config in sorted(av._core.library_meta.items()):
+            version = config["version"]
+            if version[0] >= 0:
+                by_config.setdefault(
+                    (config["configuration"], config["license"]), []
+                ).append((libname, config))
+
+        for (config, license), libs in sorted(by_config.items()):
+            print("library configuration:", config)
+            print("library license:", license)
+            for libname, config in libs:
+                version = config["version"]
+                print(f"{libname:<13} {version[0]:3d}.{version[1]:3d}.{version[2]:3d}")
+
+    if args.hwdevices:
+        from av.codec.hwaccel import hwdevices_available
+
+        print("Hardware device types:")
+        for x in hwdevices_available():
+            print("   ", x)
+
+    if args.hwconfigs:
+        from av.codec.codec import dump_hwconfigs
+
+        dump_hwconfigs()
+
+    if args.codecs:
+        from av.codec.codec import dump_codecs
+
+        dump_codecs()
+
+
+if __name__ == "__main__":
+    main()