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File python-anyio.changes of Package python-anyio
------------------------------------------------------------------- Tue Oct 22 16:00:48 UTC 2024 - Dirk Müller <dmueller@suse.com> - update to 4.6.2: * Fixed regression caused by (\#807) that prevented the use of parametrized async fixtures - update to 4.6.1: * Fixed TaskGroup and CancelScope producing cyclic references in tracebacks when raising exceptions (\#806) (PR by @graingert) ------------------------------------------------------------------- Wed Oct 2 18:02:06 UTC 2024 - Antonio Larrosa <alarrosa@suse.com> - update to 4.6.0: * Dropped support for Python 3.8 (as #698 cannot be resolved without cancel message support) * Fixed 100% CPU use on asyncio while waiting for an exiting task group to finish while said task group is within a cancelled cancel scope (#695) * Fixed cancel scopes on asyncio not propagating CancelledError on exit when the enclosing cancel scope has been effectively cancelled (#698) * Fixed asyncio task groups not yielding control to the event loop at exit if there were no child tasks to wait on * Fixed inconsistent task uncancellation with asyncio cancel scopes belonging to a task group when said task group has child tasks running - update to 4.5.0: * Improved the performance of anyio.Lock and anyio.Semaphore on asyncio (even up to 50 %) * Added the fast_acquire parameter to anyio.Lock and anyio.Semaphore to further boost performance at the expense of safety (acquire() will not yield control back if there is no contention) * Added support for the from_uri(), full_match(), parser methods/properties in anyio.Path, newly added in Python 3.13 (#737) * Added support for more keyword arguments for run_process() and open_process(): startupinfo, creationflags, pass_fds, user, group, extra_groups and umask (#742) * Improved the type annotations and support for PathLike in run_process() and open_process() to allow for path-like arguments, just like subprocess.Popen * Changed the ResourceWarning from an unclosed memory object stream to include its address for easier identification * Changed start_blocking_portal() to always use daemonic threads, to accommodate the "loitering event loop" use case * Bumped the minimum version of Trio to v0.26.1 * Fixed __repr__() of MemoryObjectItemReceiver, when item is not defined (#767; PR by @Danipulok) * Fixed to_process.run_sync() failing to initialize if __main__.__file__ pointed to a file in a nonexistent directory (#696) * Fixed AssertionError: feed_data after feed_eof on asyncio when a subprocess is closed early, before its output has been read (#490) * Fixed TaskInfo.has_pending_cancellation() on asyncio not respecting shielded scopes (#771; PR by @gschaffner) * Fixed SocketStream.receive() returning bytearray instead of bytes when using asyncio with ProactorEventLoop (Windows) (#776) * Fixed quitting the debugger in a pytest test session while in an active task group failing the test instead of exiting the test session (because the exit exception arrives in an exception group) * Fixed support for Linux abstract namespaces in UNIX sockets that was broken in v4.2 (#781; PR by @tapetersen) * Fixed KeyboardInterrupt (ctrl+c) hanging the asyncio pytest runner ------------------------------------------------------------------- Wed Jun 12 09:21:08 UTC 2024 - Dirk Müller <dmueller@suse.com> - update to 4.4.0: * Added the BlockingPortalProvider class to aid with constructing synchronous counterparts to asynchronous interfaces that would otherwise require multiple blocking portals * Added __slots__ to AsyncResource so that child classes can use __slots__ * Added the TaskInfo.has_pending_cancellation() method * Fixed erroneous RuntimeError: called 'started' twice on the same task status when cancelling a task in a TaskGroup created with the start() method before the first checkpoint is reached after calling task_status.started() * Fixed two bugs with TaskGroup.start() on asyncio: Fixed erroneous RuntimeError: called 'started' twice on the same task status when cancelling a task in a TaskGroup created with the start() method before the first checkpoint is reached after calling task_status.started() (#706; PR by Dominik Schwabe) Fixed the entire task group being cancelled if a TaskGroup.start() call gets cancelled (#685, #710) * Fixed erroneous RuntimeError: called 'started' twice on the same task status when cancelling a task in a TaskGroup created with the start() method before the first checkpoint is reached after calling task_status.started() * Fixed the entire task group being cancelled if a TaskGroup.start() call gets cancelled * Fixed a race condition that caused crashes when multiple event loops of the same backend were running in separate threads and simultaneously attempted to use AnyIO for their first time * Fixed cancellation delivery on asyncio incrementing the wrong cancel scope's cancellation counter when cascading a cancel operation to a child scope, thus failing to uncancel the host task * Fixed erroneous TypedAttributeLookupError if a typed attribute getter raises KeyError * Fixed the asyncio backend not respecting the PYTHONASYNCIODEBUG environment variable when setting the debug flag in anyio.run() * Fixed SocketStream.receive() not detecting EOF on asyncio if there is also data in the read buffer * Fixed MemoryObjectStream dropping an item if the item is delivered to a recipient that is waiting to receive an item but has a cancellation pending * Emit a ResourceWarning for MemoryObjectReceiveStream and MemoryObjectSendStream that were garbage collected without being closed (PR by Andrey Kazantcev) * Fixed MemoryObjectSendStream.send() not raising BrokenResourceError when the last corresponding MemoryObjectReceiveStream is closed while waiting to send a falsey item ------------------------------------------------------------------- Mon Mar 11 23:36:15 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com> - Update to 4.3.0: * Added support for the Python 3.12 ``walk_up`` keyword argument in ``anyio.Path.relative_to()`` * Fixed passing ``total_tokens`` to ``anyio.CapacityLimiter()`` as a keyword argument not working on the ``trio`` backend * Fixed ``Process.aclose()`` not performing the minimum level of necessary cleanup when cancelled * Fixed ``Process.stdin.aclose()``, ``Process.stdout.aclose()``, and ``Process.stderr.aclose()`` - Add exceptiongroup to {Build,}Requires. ------------------------------------------------------------------- Tue Jan 2 20:50:56 UTC 2024 - Dirk Müller <dmueller@suse.com> - update to 4.2.0: * Add support for byte-based paths in connect_unix, create_unix_listeners, create_unix_datagram_socket, and create_connected_unix_datagram_socket. (PR by Lura Skye) * Enabled the Event and CapacityLimiter classes to be instantiated outside an event loop thread * Broadly improved/fixed the type annotations. Among other things, many functions and methods that take variadic positional arguments now make use of PEP 646 TypeVarTuple to allow the positional arguments to be validated by static type checkers. These changes affected numerous methods and functions, including: * anyio.run() * TaskGroup.start_soon() * anyio.from_thread.run() * anyio.from_thread.run_sync() * anyio.to_thread.run_sync() * anyio.to_process.run_sync() * BlockingPortal.call() * BlockingPortal.start_task_soon() * BlockingPortal.start_task() (also resolves #560) * Fixed various type annotations of anyio.Path to match Typeshed: * anyio.Path.__lt__() * anyio.Path.__le__() * anyio.Path.__gt__() * anyio.Path.__ge__() * anyio.Path.__truediv__() * anyio.Path.__rtruediv__() * anyio.Path.hardlink_to() * anyio.Path.samefile() * anyio.Path.symlink_to() * anyio.Path.with_segments() (PR by Ganden Schaffner) * Fixed adjusting the total number of tokens in a CapacityLimiter on asyncio failing to wake up tasks waiting to acquire the limiter in certain edge cases (fixed with help from Egor Blagov) * Fixed loop_factory and use_uvloop options not being used on the asyncio backend * Fixed cancellation propagating on asyncio from a task group to child tasks if the task hosting the task group is in a shielded cancel scope ------------------------------------------------------------------- Fri Dec 1 16:52:20 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 4.1.0: * Adapted to API changes made in Trio v0.23 * Removed a checkpoint when exiting a task group * Renamed the ``cancellable`` argument in ``anyio.to_thread.run_sync()`` to * ``abandon_on_cancel`` (and deprecated the old parameter name) * Added support for voluntary thread cancellation via * ``anyio.from_thread.check_cancelled()`` * Bumped minimum version of trio to v0.23 * Exposed the ``ResourceGuard`` class in the public API * Fixed ``RuntimeError: Runner is closed`` when running higher- scoped async generator fixtures in some cases * Fixed discrepancy between ``asyncio`` and ``trio`` where reraising a cancellation exception in an ``except*`` block would incorrectly bubble out of its cancel scope * Any exceptions raising out of a task groups are now nested inside an ``ExceptionGroup`` (or ``BaseExceptionGroup`` if one or more ``BaseException`` were included) * Fixed task group not raising a cancellation exception on asyncio at exit if no child tasks were spawned and an outer cancellation scope had been cancelled before * Ensured that exiting a ``TaskGroup`` always hits a yield point, regardless of whether there are running child tasks to be waited on * On asyncio, cancel scopes will defer cancelling tasks that are scheduled to resume with a finished future * On asyncio and Python 3.9/3.10, cancel scopes now only suppress cancellation exceptions if the cancel message matches the scope * Task groups on all backends now raise a single cancellation exception when an outer cancel scope is cancelled, and no exceptions other than cancellation exceptions are raised in the group * **BACKWARDS INCOMPATIBLE** Changes the pytest plugin to run all tests and fixtures in the same task, allowing fixtures to set context variables for tests and other fixtures ``anyio.Path.relative_to()`` and * ``anyio.Path.is_relative_to()`` to only accept one argument, as passing multiple arguments is deprecated as of Python 3.12 * **BACKWARDS INCOMPATIBLE** Dropped support for spawning tasks from old-style coroutine functions (``@asyncio.coroutine``) * **BACKWARDS INCOMPATIBLE** The ``policy`` option on the ``asyncio`` backend was changed to ``loop_factory`` to accommodate ``asyncio.Runner`` * Dropped support for Python 3.7 * Added support for Python 3.12 * Fixed ``from_thread.run`` failing when used to call sniffio- dependent functions on asyncio from a thread running trio or curio * Fixed deadlock when using ``from_thread.start_blocking_portal(backend="asyncio")`` * in a thread running trio or curio (PR by Ganden Schaffner) * Improved type annotations: * The ``item_type`` argument of ``create_memory_object_stream`` was deprecated. * To indicate the item type handled by the stream, use * ``create_memory_object_stream[T_Item]()`` instead. Type checking should no longer fail when annotating memory object - drop tests-test_fileio.py-don-t-follow-symlinks-in-dev.patch (upstream) ------------------------------------------------------------------- Thu Nov 16 15:31:07 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 3.7.1: * Fixed sending large buffers via UNIX stream sockets on asyncio * Fixed several minor documentation issues (broken links to classes, missing classes or attributes) * Dropped support for Python 3.6 * Improved type annotations: * Several functions and methods that were previously annotated as accepting ``Coroutine[Any, Any, Any]`` as the return type of the callable have been amended to accept ``Awaitable[Any]`` instead, to allow a slightly broader set of coroutine-like inputs, like ``async_generator_asend`` objects returned from the ``asend()`` method of async generators, and to match the ``trio`` annotations: * ``anyio.run()`` * ``anyio.from_thread.run()`` * ``TaskGroup.start_soon()`` * ``TaskGroup.start()`` * ``BlockingPortal.call()`` * ``BlockingPortal.start_task_soon()`` * ``BlockingPortal.start_task()`` * Changed ``TLSAttribute.shared_ciphers`` to match the documented semantics of ``SSLSocket.shared_ciphers`` of always returning ``None`` for client-side streams * Fixed ``CapacityLimiter`` on the asyncio backend to order waiting tasks in the FIFO order (instead of LIFO) * Fixed ``CancelScope.cancel()`` not working on asyncio if called before entering the scope * Fixed ``open_signal_receiver()`` inconsistently yielding integers instead of ``signal.Signals`` instances on the ``trio`` backend * Fixed ``to_thread.run_sync()`` hanging on asyncio if the target callable raises ``StopIteration`` * Fixed ``start_blocking_portal()`` raising an unwarranted * ``RuntimeError: This portal is not running`` if a task raises an exception that causes the event loop to be closed * Fixed ``current_effective_deadline()`` not returning ``-inf`` on asyncio when the currently active cancel scope has been cancelled (PR by Ganden Schaffner) * Fixed the ``OP_IGNORE_UNEXPECTED_EOF`` flag in an SSL context created by default in ``TLSStream.wrap()`` being inadvertently set on Python 3.11.3 and 3.10.11 * Fixed ``CancelScope`` to properly handle asyncio task uncancellation on Python 3.11 * Fixed ``OSError`` when trying to use ``create_tcp_listener()`` to bind to a link-local * IPv6 address (and worked around related bugs in ``uvloop``) * Worked around a `PyPy bug <https://foss.heptapod.net/pypy/pypy/-/issues/3938>`_ when using ``anyio.getaddrinfo()`` with for IPv6 link-local addresses containing interface names - drop fix-failing-tls-tests.patch support-trio-0.22.patch: obsolete ------------------------------------------------------------------- Thu Nov 16 15:30:25 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 3.7.1: * Fixed sending large buffers via UNIX stream sockets on asyncio * Fixed several minor documentation issues (broken links to classes, missing classes or * attributes) * **3.7.0** * Dropped support for Python 3.6 * Improved type annotations: * Several functions and methods that were previously annotated as accepting * ``Coroutine[Any, Any, Any]`` as the return type of the callable have been amended to * accept ``Awaitable[Any]`` instead, to allow a slightly broader set of coroutine-like * inputs, like ``async_generator_asend`` objects returned from the ``asend()`` method * of async generators, and to match the ``trio`` annotations: * ``anyio.run()`` * ``anyio.from_thread.run()`` * ``TaskGroup.start_soon()`` * ``TaskGroup.start()`` * ``BlockingPortal.call()`` * ``BlockingPortal.start_task_soon()`` * ``BlockingPortal.start_task()`` * Note that this change involved only changing the type annotations; run-time * functionality was not altered. * The ``TaskStatus`` class is now a generic protocol, and should be parametrized to * indicate the type of the value passed to ``task_status.started()`` * The ``Listener`` class is now covariant in its stream type * ``create_memory_object_stream()`` now allows passing only ``item_type`` * Object receive streams are now covariant and object send streams are correspondingly * contravariant * Changed ``TLSAttribute.shared_ciphers`` to match the documented semantics of * ``SSLSocket.shared_ciphers`` of always returning ``None`` for client-side streams * Fixed ``CapacityLimiter`` on the asyncio backend to order waiting tasks in the FIFO * order (instead of LIFO) (PR by Conor Stevenson) * Fixed ``CancelScope.cancel()`` not working on asyncio if called before entering the * scope * Fixed ``open_signal_receiver()`` inconsistently yielding integers instead of * ``signal.Signals`` instances on the ``trio`` backend * Fixed ``to_thread.run_sync()`` hanging on asyncio if the target callable raises * ``StopIteration`` * Fixed ``start_blocking_portal()`` raising an unwarranted * ``RuntimeError: This portal is not running`` if a task raises an exception that causes * the event loop to be closed * Fixed ``current_effective_deadline()`` not returning ``-inf`` on asyncio when the * currently active cancel scope has been cancelled (PR by Ganden Schaffner) * Fixed the ``OP_IGNORE_UNEXPECTED_EOF`` flag in an SSL context created by default in * ``TLSStream.wrap()`` being inadvertently set on Python 3.11.3 and 3.10.11 * Fixed ``CancelScope`` to properly handle asyncio task uncancellation on Python 3.11 * (PR by Nikolay Bryskin) * Fixed ``OSError`` when trying to use ``create_tcp_listener()`` to bind to a link-local * IPv6 address (and worked around related bugs in ``uvloop``) * Worked around a `PyPy bug <https://foss.heptapod.net/pypy/pypy/-/issues/3938>`_ * when using ``anyio.getaddrinfo()`` with for IPv6 link-local addresses containing * interface names ------------------------------------------------------------------- Thu Nov 2 10:42:51 UTC 2023 - Jiri Slaby <jslaby@suse.cz> - add tests-test_fileio.py-don-t-follow-symlinks-in-dev.patch (kernel 6.6 fix) ------------------------------------------------------------------- Thu May 4 07:29:22 UTC 2023 - Steve Kowalik <steven.kowalik@suse.com> - Add patch fix-failing-tls-tests.patch: * Fix test failures with Python TLS changes. ------------------------------------------------------------------- Fri Apr 21 12:21:49 UTC 2023 - Dirk Müller <dmueller@suse.com> - add sle15_python_module_pythons (jsc#PED-68) ------------------------------------------------------------------- Thu Apr 13 22:39:54 UTC 2023 - Matej Cepl <mcepl@suse.com> - Make calling of %{sle15modernpython} optional. ------------------------------------------------------------------- Tue Mar 7 06:29:28 UTC 2023 - Steve Kowalik <steven.kowalik@suse.com> - Add patch support-trio-0.22.patch: * Support trio >= 0.22 just enough for asyncclick. ------------------------------------------------------------------- Fri Dec 16 15:06:08 UTC 2022 - Markéta Machová <mmachova@suse.com> - Skip trio exception tests for now * https://github.com/agronholm/anyio/issues/508 * https://github.com/agronholm/anyio/commit/787cb0c2e53c2a3307873d202fbd49dc5eac4e96 ------------------------------------------------------------------- Mon Nov 21 21:04:03 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 3.6.2: - Pinned Trio to < 0.22 to avoid incompatibility with AnyIO's ``ExceptionGroup`` class causing ``AttributeError: 'NonBaseMultiError' object has no attribute '_exceptions'`` (AnyIO 4 is unaffected) - Fixed exception handler in the asyncio test runner not properly handling a context that does not contain the ``exception`` key - Fixed ``TypeError`` in ``get_current_task()`` on asyncio when using a custom ``Task`` factory - Updated type annotations on ``run_process()`` and ``open_process()``: * ``command`` now accepts accepts bytes and sequences of bytes * ``stdin``, ``stdout`` and ``stderr`` now accept file-like objects - Changed the pytest plugin to run both the setup and teardown phases of asynchronous generator fixtures within a single task to enable use cases such as cancel scopes and task groups where a context manager straddles the ``yield`` - drop anyio-pytest7.patch (upstream) ------------------------------------------------------------------- Sun Mar 27 18:32:27 UTC 2022 - Ben Greiner <code@bnavigator.de> - Add anyio-pytest7.patch -- gh#agronholm/anyio#420 ------------------------------------------------------------------- Tue Feb 15 16:06:39 UTC 2022 - Dirk Müller <dmueller@suse.com> - skip some tests for older distros (lack of TLSv1.3 support) ------------------------------------------------------------------- Sat Jan 15 16:36:24 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 3.5.0: - Added ``start_new_session`` keyword argument to ``run_process()`` and ``open_process()`` - Fixed deadlock in synchronization primitives on asyncio which can happen if a task acquiring a primitive is hit with a native (not AnyIO) cancellation with just the right timing, leaving the next acquiring task waiting forever - Added workaround for bpo-46313_ to enable compatibility with OpenSSL 3.0 ------------------------------------------------------------------- Mon Nov 29 12:01:51 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 3.4.0: * Added context propagation to/from worker threads in ``to_thread.run_sync()``, ``from_thread.run()`` and ``from_thread.run_sync()`` * Fixed race condition in ``Lock`` and ``Semaphore`` classes when a task waiting on ``acquire()`` is cancelled while another task is waiting to acquire the same primitive * Fixed async context manager's ``__aexit__()`` method not being called in ``BlockingPortal.wrap_async_context_manager()`` if the host task is cancelled * Fixed worker threads being marked as being event loop threads in sniffio * Fixed task parent ID not getting set to the correct value on asyncio * Enabled the test suite to run without IPv6 support, trio or pytest plugin autoloading ------------------------------------------------------------------- Tue Oct 26 20:18:21 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 3.3.4: * Fixed ``BrokenResourceError`` instead of ``EndOfStream`` being raised in ``TLSStream`` when the peer abruptly closes the connection while ``TLSStream`` is receiving data with ``standard_compatible=False`` set ------------------------------------------------------------------- Sat Oct 16 21:03:37 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 3.3.3: * Fixed UNIX socket listener not setting accepted sockets to non-blocking mode on asyncio * Changed unconnected UDP sockets to be always bound to a local port (on "any" interface) to avoid errors on asyncio + Windows * Fixed cancellation problem on asyncio where level-triggered cancellation for **all** parent cancel scopes would not resume after exiting a shielded nested scope ------------------------------------------------------------------- Fri Sep 17 19:23:22 UTC 2021 - Ben Greiner <code@bnavigator.de> - Update to v3.3.1 * Added missing documentation for the ExceptionGroup.exceptions attribute * Changed the asyncio test runner not to use uvloop by default (to match the behavior of anyio.run()) * Fixed RuntimeError on asyncio when a CancelledError is raised from a task spawned through a BlockingPortal (#357) * Fixed asyncio warning about a Future with an exception that was never retrieved which happened when a socket was already written to but the peer abruptly closed the connection - Release 3.3.0 * Added asynchronous Path class * Added the wrap_file() function for wrapping existing files as asynchronous file objects * Relaxed the type of the path initializer argument to FileReadStream and FileWriteStream so they accept any path-like object (including the new asynchronous Path class) * Dropped unnecessary dependency on the async_generator library * Changed the generics in AsyncFile so that the methods correctly return either str or bytes based on the argument to open_file() * Fixed an asyncio bug where under certain circumstances, a stopping worker thread would still accept new assignments, leading to a hang - Release 3.2.1 * Fixed idle thread pruning on asyncio sometimes causing an expired worker thread to be assigned a task - Release 3.2.0 * Added Python 3.10 compatibility * Added the ability to close memory object streams synchronously (including support for use as a synchronous context manager) * Changed the default value of the use_uvloop asyncio backend option to False to prevent unsafe event loop policy changes in different threads * Fixed to_thread.run_sync() hanging on the second call on asyncio when used with loop.run_until_complete() * Fixed to_thread.run_sync() prematurely marking a worker thread inactive when a task await on the result is cancelled * Fixed ResourceWarning about an unclosed socket when UNIX socket connect fails on asyncio * Fixed the type annotation of open_signal_receiver() as a synchronous context manager * Fixed the type annotation of DeprecatedAwaitable(|List|Float). __await__ to match the typing.Awaitable protocol - Unskip python36: uvloop is only optional ------------------------------------------------------------------- Fri Sep 17 06:59:56 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org> - Do not build for python 3.6: the required dependency uvloop does no longer support Python 3.6 since version 0.16. ------------------------------------------------------------------- Thu Jun 3 09:17:54 UTC 2021 - Antonio Larrosa <alarrosa@suse.com> - Update to 3.1.0: * Added env and cwd keyword arguments to run_process() and open_process. * Added support for mutation of CancelScope.shield (PR by John Belmonte) * Added the sleep_forever() and sleep_until() functions * Changed asyncio task groups so that if the host and child tasks have only raised CancelledErrors, just one CancelledError will now be raised instead of an ExceptionGroup, allowing asyncio to ignore it when it propagates out of the task * Changed task names to be converted to str early on asyncio (PR by Thomas Grainger) * Fixed sniffio._impl.AsyncLibraryNotFoundError: unknown async library, or not in async context on asyncio and Python 3.6 when to_thread.run_sync() is used from loop.run_until_complete() * Fixed odd ExceptionGroup: 0 exceptions were raised in the task group appearing under certain circumstances on asyncio * Fixed wait_all_tasks_blocked() returning prematurely on asyncio when a previously blocked task is cancelled (PR by Thomas Grainger) * Fixed declared return type of TaskGroup.start() (it was declared as None, but anything can be returned from it) * Fixed TextStream.extra_attributes raising AttributeError (PR by Thomas Grainger) * Fixed await maybe_async(current_task()) returning None (PR by Thomas Grainger) * Fixed: pickle.dumps(current_task()) now correctly raises TypeError instead of pickling to None (PR by Thomas Grainger) * Fixed return type annotation of Event.wait() (bool → None) (PR by Thomas Grainger) * Fixed return type annotation of RunVar.get() to return either the type of the default value or the type of the contained value (PR by Thomas Grainger) * Fixed a deprecation warning message to refer to maybe_async() and not maybe_awaitable() (PR by Thomas Grainger) * Filled in argument and return types for all functions and methods previously missing them (PR by Thomas Grainger) - Update to 3.0.1: * Fixed to_thread.run_sync() raising RuntimeError on asyncio when no "root" task could be found for setting up a cleanup callback. This was a problem at least on Tornado and possibly also Twisted in asyncio compatibility mode. The life of worker threads is now bound to the the host task of the topmost cancel scope hierarchy starting from the current one, or if no cancel scope is active, the current task. - Update to 3.0.0: * Curio support has been dropped (see the :doc:`FAQ <faq>` as for why) * API changes: - BACKWARDS INCOMPATIBLE Submodules under anyio.abc. have been made private (use only anyio.abc from now on). - BACKWARDS INCOMPATIBLE The following method was previously a coroutine method and has been converted into a synchronous one: * MemoryObjectReceiveStream.receive_nowait() - The following functions and methods are no longer asynchronous but can still be awaited on (doing so will emit a deprecation warning): * current_time() * current_effective_deadline() * get_current_task() * get_running_tasks() * CancelScope.cancel() * CapacityLimiter.acquire_nowait() * CapacityLimiter.acquire_on_behalf_of_nowait() * Condition.release() * Event.set() * Lock.release() * MemoryObjectSendStream.send_nowait() * Semaphore.release() - The following functions now return synchronous context managers instead of asynchronous context managers (and emit deprecation warnings if used as async context managers): * fail_after() * move_on_after() * open_cancel_scope() (now just CancelScope(); see below) * open_signal_receiver() - The following functions and methods have been renamed/moved (will now emit deprecation warnings when you use them by their old names): * create_blocking_portal() → anyio.from_thread.BlockingPortal() * create_capacity_limiter() → anyio.CapacityLimiter() * create_event() → anyio.Event() * create_lock() → anyio.Lock() * create_condition() → anyio.Condition() * create_semaphore() → anyio.Semaphore() * current_default_worker_thread_limiter() → anyio.to_thread.current_default_thread_limiter() * open_cancel_scope() → anyio.CancelScope() * run_sync_in_worker_thread() → anyio.to_thread.run_sync() * run_async_from_thread() → anyio.from_thread.run() * run_sync_from_thread() → anyio.from_thread.run_sync() * BlockingPortal.spawn_task → BlockingPortal.start_task_soon * CapacityLimiter.set_total_tokens() → limiter.total_tokens = ... * TaskGroup.spawn() → TaskGroup.start_soon() - BACKWARDS INCOMPATIBLE start_blocking_portal() must now be used as a context manager (it no longer returns a BlockingPortal, but a context manager that yields one) - BACKWARDS INCOMPATIBLE The BlockingPortal.stop_from_external_thread() method (use portal.call(portal.stop) instead now) - BACKWARDS INCOMPATIBLE The SocketStream and SocketListener classes were made non-generic - Made all non-frozen dataclasses hashable with eq=False - Removed __slots__ from BlockingPortal See the :doc:`migration documentation <migration>` for instructions on how to deal with these changes. * Improvements to running synchronous code: - Added the run_sync_from_thread() function - Added the run_sync_in_process() function for running code in worker processes (big thanks to Richard Sheridan for his help on this one!) * Improvements to sockets and streaming: - Added the UNIXSocketStream class which is capable of sending and receiving file descriptors - Added the FileReadStream and FileWriteStream classes - create_unix_listener() now removes any existing socket at the given path before proceeding (instead of raising OSError: Address already in use) * Improvements to task groups and cancellation: - Added the TaskGroup.start() method and a corresponding BlockingPortal.start_task() method - Added the name argument to BlockingPortal.start_task_soon() (renamed from BlockingPortal.spawn_task()) - Changed CancelScope.deadline to be writable - Added the following functions in the anyio.lowlevel module: * checkpoint() * checkpoint_if_cancelled() * cancel_shielded_checkpoint() * Improvements and changes to synchronization primitives: - Added the Lock.acquire_nowait(), Condition.acquire_nowait() and Semaphore.acquire_nowait() methods - Added the statistics() method to Event, Lock, Condition, Semaphore, CapacityLimiter, MemoryObjectReceiveStream and MemoryObjectSendStream - Lock and Condition can now only be released by the task that acquired them. This behavior is now consistent on all backends whereas previously only Trio enforced this. - The CapacityLimiter.total_tokens property is now writable and CapacityLimiter.set_total_tokens() has been deprecated - Added the max_value property to Semaphore * Asyncio specific improvements (big thanks to Thomas Grainger for his effort on most of these!): - Cancel scopes are now properly enforced with native asyncio coroutine functions (without any explicit AnyIO checkpoints) - Changed the asyncio CancelScope to raise a RuntimeError if a cancel scope is being exited before it was even entered - Changed the asyncio test runner to capture unhandled exceptions from asynchronous callbacks and unbound native tasks which are then raised after the test function (or async fixture setup or teardown) completes - Changed the asyncio TaskGroup.start_soon() (formerly spawn()) method to call the target function immediately before starting the task, for consistency across backends - Changed the asyncio TaskGroup.start_soon() (formerly spawn()) method to avoid the use of a coroutine wrapper on Python 3.8+ and added a hint for hiding the wrapper in tracebacks on earlier Pythons (supported by Pytest, Sentry etc.) - Changed the default thread limiter on asyncio to use a RunVar so it is scoped to the current event loop, thus avoiding potential conflict among multiple running event loops - Thread pooling is now used on asyncio with run_sync_in_worker_thread() - Fixed current_effective_deadline() raising KeyError on asyncio when no cancel scope is active * Added the RunVar class for scoping variables to the running event loop ------------------------------------------------------------------- Mon Mar 15 05:57:41 UTC 2021 - Steve Kowalik <steven.kowalik@suse.com> - Update to 2.2.0: * Added the ``maybe_async()`` and ``maybe_async_cm()`` functions to facilitate forward compatibility with AnyIO 3 * Fixed socket stream bug on asyncio where receiving a half-close from the peer would shut down the entire connection * Fixed native task names not being set on asyncio on Python 3.8+ * Fixed ``TLSStream.send_eof()`` raising ``ValueError`` instead of the expected ``NotImplementedError`` * Fixed ``open_signal_receiver()`` on asyncio and curio hanging if the cancel scope was cancelled before the function could run * Fixed Trio test runner causing unwarranted test errors on ``BaseException``s * Fixed formatted output of ``ExceptionGroup`` containing too many newlines * Added the ``spawn_task()`` and ``wrap_async_context_manager()`` methods to ``BlockingPortal`` * Added the ``handshake_timeout`` and ``error_handler`` parameters to ``TLSListener`` * Fixed ``Event`` objects on the trio backend not inheriting from ``anyio.abc.Event`` * Fixed ``run_sync_in_worker_thread()`` raising ``UnboundLocalError`` on asyncio when cancelled * Fixed ``send()`` on socket streams not raising any exception on asyncio, and an unwrapped * ``BrokenPipeError`` on trio and curio when the peer has disconnected * Fixed ``MemoryObjectSendStream.send()`` raising ``BrokenResourceError`` when the last receiver is closed right after receiving the item * Fixed ``ValueError: Invalid file descriptor: -1`` when closing a ``SocketListener`` on asyncio ------------------------------------------------------------------- Sat Jan 30 18:29:29 UTC 2021 - Ben Greiner <code@bnavigator.de> - Initial specfile for version 2.0.2 - required by jupyter_server 1.2.3
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