aio-libs/aiohttp v3.9.0b0

3.9.0b0

on GitHub

Features

• Introduced AppKey for static typing support of Application storage.
  See https://docs.aiohttp.org/en/stable/web_advanced.html#application-s-config

  (#5864)

• Added a graceful shutdown period which allows pending tasks to complete before the application's cleanup is called.
  The period can be adjusted with the shutdown_timeout parameter. -- by :user:Dreamsorcerer.
  See https://docs.aiohttp.org/en/latest/web_advanced.html#graceful-shutdown

  (#7188)

• Added handler_cancellation <https://docs.aiohttp.org/en/stable/web_advanced.html#web-handler-cancellation>_ parameter to cancel web handler on client disconnection. -- by :user:mosquito
  This (optionally) reintroduces a feature removed in a previous release.
  Recommended for those looking for an extra level of protection against denial-of-service attacks.

  (#7056)

• Added support for setting response header parameters max_line_size and max_field_size.

  (#2304)

• Added auto_decompress parameter to ClientSession.request to override ClientSession._auto_decompress. -- by :user:Daste745

  (#3751)

• Changed raise_for_status to allow a coroutine.

  (#3892)

• Added client brotli compression support (optional with runtime check).

  (#5219)

• Added client_max_size to BaseRequest.clone() to allow overriding the request body size -- :user:anesabml.

  (#5704)

• Added a middleware type alias aiohttp.typedefs.Middleware.

  (#5898)

• Exported HTTPMove which can be used to catch any redirection request
  that has a location -- :user:dreamsorcerer.

  (#6594)

• Changed the path parameter in web.run_app() to accept a pathlib.Path object.

  (#6839)

• Added support for passing a custom server name parameter to HTTPS connection.

  (#7114)

• Added support for using Basic Auth credentials from :file:.netrc file when making HTTP requests with the :py:class:~aiohttp.ClientSession trust_env argument is set to True -- by :user:yuvipanda.

  (#7131)

• Turned access log into no-op when the logger is disabled.

  (#7240)

• Added typing information to RawResponseMessage -- by :user:Gobot1234

  (#7365)

• Removed async-timeout for Python 3.11+ (replaced with asyncio.timeout() on newer releases).

  (#7502)

• Added support for brotlicffi as an alternative to brotli (fixing Brotli support on PyPy).

  (#7611)

Bugfixes

• Implemented stripping the trailing dots from fully-qualified domain names in Host headers and TLS context when acting as an HTTP client.
  This allows the client to connect to URLs with FQDN host name like https://example.com./.
  -- by :user:martin-sucha.

  (#3636)

• Fixed client timeout not working when incoming data is always available without waiting -- by :user:Dreamsorcerer.

  (#5854)

• Fixed readuntil to work with a delimiter of more than one character

  (#6701)

• Added __repr__ to EmptyStreamReader to avoid AttributeError.

  (#6916)

• Fixed bug when using TCPConnector with ttl_dns_cache=0.

  (#7014)

• Fixed response returned from expect handler being thrown away. -- by :user:Dreamsorcerer

  (#7025)

• Avoided raising UnicodeDecodeError in multipart and in HTTP headers parsing.

  (#7044)

• Changed sock_read timeout to start after writing has finished, avoiding read timeouts caused by an unfinished write. -- by :user:dtrifiro

  (#7149)

• Fixed missing query in tracing method URLs when using yarl 1.9+.

  (#7259)

• Changed max 32-bit timestamp to an aware datetime object, for consistency with the non-32-bit one, and to avoid a DeprecationWarning on Python 3.12.

  (#7302)

• Fixed EmptyStreamReader.iter_chunks() never ending. -- by :user:mind1m

  (#7616)

Improved Documentation

• Fixed the ClientResponse.release's type in the doc. Changed from comethod to method.

  (#5836)

• Added information on behavior of base_url parameter in ClientSession.

  (#6647)

• Fixed ClientResponseError docs.

  (#6700)

• Updated Redis code examples to follow the latest API.

  (#6907)

• Added a note about possibly needing to update headers when using on_response_prepare. -- by :user:Dreamsorcerer

  (#7283)

• Completed trust_env parameter description to honor wss_proxy, ws_proxy or no_proxy env.

  (#7325)

• Expanded SSL documentation with more examples (e.g. how to use certifi). -- by :user:Dreamsorcerer

  (#7334)

Deprecations and Removals

• Dropped Python 3.6 support.

  (#6378)

• Dropped Python 3.7 support. -- by :user:Dreamsorcerer

  (#7336)

• Removed support for abandoned tokio event loop. -- by :user:Dreamsorcerer

  (#7281)

Misc

• Made print argument in run_app() optional.

  (#3690)

• Improved performance of ceil_timeout in some cases.

  (#6316)

• Changed importing Gunicorn to happen on-demand, decreasing import time by ~53%. -- :user:Dreamsorcerer

  (#6591)

• Improved import time by replacing http.server with http.HTTPStatus.

  (#6903)

• Fixed annotation of ssl parameter to disallow True. -- by :user:Dreamsorcerer

  (#7335)