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CHANGELOG.txt
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CHANGELOG.txt
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UNRELEASED
----------
* Support for the ``ASGI_THREADS`` environment variable, used by
``SyncToAsync``, is removed. In general, a running event-loop is not
available to `asgiref` at import time, and so the default thread pool
executor cannot be configured. Protocol servers, or applications, should set
the default executor as required when configuring the event loop at
application startup.
3.5.2 (2022-05-16)
------------------
* Allow async-callables class instances to be passed to AsyncToSync
without warning
* Prevent giving async-callable class instances to SyncToAsync
3.5.1 (2022-04-30)
------------------
* sync_to_async in thread-sensitive mode now works corectly when the
outermost thread is synchronous (#214)
3.5.0 (2022-01-22)
------------------
* Python 3.6 is no longer supported, and asyncio calls have been changed to
use only the modern versions of the APIs as a result
* Several causes of RuntimeErrors in cases where an event loop was assigned
to a thread but not running
* Speed improvements in the Local class
3.4.1 (2021-07-01)
------------------
* Fixed an issue with the deadlock detection where it had false positives
during exception handling.
3.4.0 (2021-06-27)
------------------
* Calling sync_to_async directly from inside itself (which causes a deadlock
when in the default, thread-sensitive mode) now has deadlock detection.
* asyncio usage has been updated to use the new versions of get_event_loop,
ensure_future, wait and gather, avoiding deprecation warnings in Python 3.10.
Python 3.6 installs continue to use the old versions; this is only for 3.7+
* sync_to_async and async_to_sync now have improved type hints that pass
through the underlying function type correctly.
* All Websocket* types are now spelled WebSocket, to match our specs and the
official spelling. The old names will work until release 3.5.0, but will
raise deprecation warnings.
* The typing for WebSocketScope and HTTPScope's `extensions` key has been
fixed.
3.3.4 (2021-04-06)
------------------
* The async_to_sync type error is now a warning due the high false negative
rate when trying to detect coroutine-returning callables in Python.
3.3.3 (2021-04-06)
------------------
* The sync conversion functions now correctly detect functools.partial and other
wrappers around async functions on earlier Python releases.
3.3.2 (2021-04-05)
------------------
* SyncToAsync now takes an optional "executor" argument if you want to supply
your own executor rather than using the built-in one.
* async_to_sync and sync_to_async now check their arguments are functions of
the correct type.
* Raising CancelledError inside a SyncToAsync function no longer stops a future
call from functioning.
* ThreadSensitive now provides context hooks/override options so it can be
made to be sensitive in a unit smaller than threads (e.g. per request)
* Drop Python 3.5 support.
* Add type annotations.
3.3.1 (2020-11-09)
------------------
* Updated StatelessServer to use ASGI v3 single-callable applications.
3.3.0 (2020-10-09)
------------------
* sync_to_async now defaults to thread-sensitive mode being on
* async_to_sync now works inside of forked processes
* WsgiToAsgi now correctly clamps its response body when Content-Length is set
3.2.10 (2020-08-18)
-------------------
* Fixed bugs due to bad WeakRef handling introduced in 3.2.8
3.2.9 (2020-06-16)
------------------
* Fixed regression with exception handling in 3.2.8 related to the contextvars fix.
3.2.8 (2020-06-15)
------------------
* Fixed small memory leak in local.Local
* contextvars are now persisted through AsyncToSync
3.2.7 (2020-03-24)
------------------
* Bug fixed in local.Local where deleted Locals would occasionally inherit
their storage into new Locals due to memory reuse.
3.2.6 (2020-03-23)
------------------
* local.Local now works in all threading situations, no longer requires
periodic garbage collection, and works with libraries that monkeypatch
threading (like gevent)
3.2.5 (2020-03-11)
------------------
* __self__ is now preserved on methods by async_to_sync
3.2.4 (2020-03-10)
------------------
* Pending tasks/async generators are now cancelled when async_to_sync exits
* Contextvars now propagate changes both ways through sync_to_async
* sync_to_async now preserves attributes on functions it wraps
3.2.3 (2019-10-23)
------------------
* Added support and testing for Python 3.8.
3.2.2 (2019-08-29)
------------------
* WsgiToAsgi maps multi-part request bodies into a single WSGI input file
* WsgiToAsgi passes the `root_path` scope as SCRIPT_NAME
* WsgiToAsgi now checks the scope type to handle `lifespan` better
* WsgiToAsgi now passes the server port as a string, like WSGI
* SyncToAsync values are now identified as coroutine functions by asyncio
* SyncToAsync now handles __self__ correctly for methods
3.2.1 (2019-08-05)
------------------
* sys.exc_info() is now propagated across thread boundaries
3.2.0 (2019-07-29)
------------------
* New "thread_sensitive" argument to SyncToAsync allows for pinning of code into
the same thread as other thread_sensitive code.
* Test collection on Python 3.7 fixed
3.1.4 (2019-07-07)
------------------
* Fixed an incompatibility with Python 3.5 introduced in the last release.
3.1.3 (2019-07-05)
------------------
* async_timeout has been removed as a dependency, so there are now no required
dependencies.
* The WSGI adapter now sets ``REMOTE_ADDR`` from the ASGI ``client``.
3.1.2 (2019-04-17)
------------------
* New thread_critical argument to Local to tell it to not inherit contexts
across threads/tasks.
* Local now inherits across any number of sync_to_async to async_to_sync calls
nested inside each other
3.1.1 (2019-04-13)
------------------
* Local now cleans up storage of old threads and tasks to prevent a memory leak.
3.1.0 (2019-04-13)
------------------
* Added ``asgiref.local`` module to provide threading.local drop-in replacement.
3.0.0 (2019-03-20)
------------------
* Updated to match new ASGI 3.0 spec
* Compatibility library added that allows adapting ASGI 2 apps into ASGI 3 apps
losslessly
2.3.2 (2018-05-23)
------------------
* Packaging fix to allow old async_timeout dependencies (2.0 as well as 3.0)
2.3.1 (2018-05-23)
------------------
* WSGI-to-ASGI adapter now works with empty bodies in responses
* Update async-timeout dependency
2.3.0 (2018-04-11)
------------------
* ApplicationCommunicator now has a receive_nothing() test available
2.2.0 (2018-03-06)
------------------
* Cancelled tasks now correctly cascade-cancel their children
* Communicator.wait() no longer re-raises CancelledError from inner coroutines
2.1.6 (2018-02-19)
------------------
* async_to_sync now works inside of threads (but is still not allowed in threads
that have an active event loop)
2.1.5 (2018-02-14)
------------------
* Fixed issues with async_to_sync not setting the event loop correctly
* Stop async_to_sync being called from threads with an active event loop
2.1.4 (2018-02-07)
------------------
* Values are now correctly returned from sync_to_async and async_to_sync
* ASGI_THREADS environment variable now works correctly
2.1.3 (2018-02-04)
------------------
* Add an ApplicationCommunicator.wait() method to allow you to wait for an
application instance to exit before seeing what it did.
2.1.2 (2018-02-03)
------------------
* Allow AsyncToSync to work if called from a non-async-wrapped sync context.
2.1.1 (2018-02-02)
------------------
* Allow AsyncToSync constructor to be called inside SyncToAsync.
2.1.0 (2018-01-19)
------------------
* Add `asgiref.testing` module with ApplicationCommunicator testing helper
2.0.1 (2017-11-28)
------------------
* Bugfix release to have HTTP response content message as the correct
"http.response.content" not the older "http.response.chunk".
2.0.0 (2017-11-28)
------------------
* Complete rewrite for new async-based ASGI mechanisms and removal of
channel layers.
1.1.2 (2017-05-16)
-----------------
* Conformance test suite now allows for retries and tests group_send's behaviour with capacity
* valid_channel_names now has a receive parameter
1.1.1 (2017-04-02)
------------------
* Error with sending to multi-process channels with the same message fixed
1.1.0 (2017-04-01)
------------------
* Process-specific channel behaviour has been changed, and the base layer
and conformance suites updated to match.
1.0.1 (2017-03-19)
------------------
* Improved channel and group name validation
* Test rearrangements and improvements
1.0.0 (2016-04-11)
------------------
* `receive_many` is now `receive`
* In-memory layer deepcopies messages so they cannot be mutated post-send
* Better errors for bad channel/group names