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Changelog

3.6.2 (2019-10-09)

Features

  • Made exceptions pickleable. Also changed the repr of some exceptions. #4077
  • Use Iterable type hint instead of Sequence for Application middleware parameter. #4125

Bugfixes

  • Reset the sock_read timeout each time data is received for a aiohttp.ClientResponse. #3808
  • Fix handling of expired cookies so they are not stored in CookieJar. #4063
  • Fix misleading message in the string representation of ClientConnectorError; self.ssl == None means default SSL context, not SSL disabled #4097
  • Don't clobber HTTP status when using FileResponse. #4106

Improved Documentation

  • Added minimal required logging configuration to logging documentation. #2469
  • Update docs to reflect proxy support. #4100
  • Fix typo in code example in testing docs. #4108

Misc

3.6.1 (2019-09-19)

Features

  • Compatibility with Python 3.8. #4056

Bugfixes

  • correct some exception string format #4068
  • Emit a warning when ssl.OP_NO_COMPRESSION is unavailable because the runtime is built against an outdated OpenSSL. #4052
  • Update multidict requirement to >= 4.5 #4057

Improved Documentation

  • Provide pytest-aiohttp namespace for pytest fixtures in docs. #3723

3.6.0 (2019-09-06)

Features

  • Add support for Named Pipes (Site and Connector) under Windows. This feature requires Proactor event loop to work. #3629
  • Removed Transfer-Encoding: chunked header from websocket responses to be compatible with more http proxy servers. #3798
  • Accept non-GET request for starting websocket handshake on server side. #3980

Bugfixes

  • Raise a ClientResponseError instead of an AssertionError for a blank HTTP Reason Phrase. #3532

  • Fix an issue where cookies would sometimes not be set during a redirect. #3576

  • Change normalize_path_middleware to use 308 redirect instead of 301.

    This behavior should prevent clients from being unable to use PUT/POST methods on endpoints that are redirected because of a trailing slash. #3579

  • Drop the processed task from all_tasks() list early. It prevents logging about a task with unhandled exception when the server is used in conjunction with asyncio.run(). #3587

  • Signal type annotation changed from Signal[Callable[['TraceConfig'], Awaitable[None]]] to Signal[Callable[ClientSession, SimpleNamespace, ...]. #3595

  • Use sanitized URL as Location header in redirects #3614

  • Improve typing annotations for multipart.py along with changes required by mypy in files that references multipart.py. #3621

  • Close session created inside aiohttp.request when unhandled exception occurs #3628

  • Cleanup per-chunk data in generic data read. Memory leak fixed. #3631

  • Use correct type for add_view and family #3633

  • Fix _keepalive field in __slots__ of RequestHandler. #3644

  • Properly handle ConnectionResetError, to silence the "Cannot write to closing transport" exception when clients disconnect uncleanly. #3648

  • Suppress pytest warnings due to test_utils classes #3660

  • Fix overshadowing of overlapped sub-application prefixes. #3701

  • Fixed return type annotation for WSMessage.json() #3720

  • Properly expose TooManyRedirects publicly as documented. #3818

  • Fix missing brackets for IPv6 in proxy CONNECT request #3841

  • Make the signature of aiohttp.test_utils.TestClient.request match asyncio.ClientSession.request according to the docs #3852

  • Use correct style for re-exported imports, makes mypy --strict mode happy. #3868

  • Fixed type annotation for add_view method of UrlDispatcher to accept any subclass of View #3880

  • Made cython HTTP parser set Reason-Phrase of the response to an empty string if it is missing. #3906

  • Add URL to the string representation of ClientResponseError. #3959

  • Accept istr keys in LooseHeaders type hints. #3976

  • Fixed race conditions in _resolve_host caching and throttling when tracing is enabled. #4013

  • For URLs like "unix://localhost/..." set Host HTTP header to "localhost" instead of "localhost:None". #4039

Improved Documentation

  • Modify documentation for Background Tasks to remove deprecated usage of event loop. #3526
  • use if __name__ == '__main__': in server examples. #3775
  • Update documentation reference to the default access logger. #3783
  • Improve documentation for web.BaseRequest.path and web.BaseRequest.raw_path. #3791
  • Removed deprecation warning in tracing example docs #3964

3.5.4 (2019-01-12)

Bugfixes

  • Fix stream .read() / .readany() / .iter_any() which used to return a partial content only in case of compressed content #3525

3.5.3 (2019-01-10)

Bugfixes

  • Fix type stubs for aiohttp.web.run_app(access_log=True) and fix edge case of access_log=True and the event loop being in debug mode. #3504
  • Fix aiohttp.ClientTimeout type annotations to accept None for fields #3511
  • Send custom per-request cookies even if session jar is empty #3515
  • Restore Linux binary wheels publishing on PyPI

3.5.2 (2019-01-08)

Features

  • FileResponse from web_fileresponse.py uses a ThreadPoolExecutor to work with files asynchronously. I/O based payloads from payload.py uses a ThreadPoolExecutor to work with I/O objects asynchronously. #3313
  • Internal Server Errors in plain text if the browser does not support HTML. #3483

Bugfixes

  • Preserve MultipartWriter parts headers on write. Refactor the way how Payload.headers are handled. Payload instances now always have headers and Content-Type defined. Fix Payload Content-Disposition header reset after initial creation. #3035
  • Log suppressed exceptions in GunicornWebWorker. #3464
  • Remove wildcard imports. #3468
  • Use the same task for app initialization and web server handling in gunicorn workers. It allows to use Python3.7 context vars smoothly. #3471
  • Fix handling of chunked+gzipped response when first chunk does not give uncompressed data #3477
  • Replace collections.MutableMapping with collections.abc.MutableMapping to avoid a deprecation warning. #3480
  • Payload.size type annotation changed from Optional[float] to Optional[int]. #3484
  • Ignore done tasks when cancels pending activities on web.run_app finalization. #3497

Improved Documentation

  • Add documentation for aiohttp.web.HTTPException. #3490

Misc

3.5.1 (2018-12-24)

  • Fix a regression about ClientSession._requote_redirect_url modification in debug mode.

3.5.0 (2018-12-22)

Features

  • The library type annotations are checked in strict mode now.
  • Add support for setting cookies for individual request (#2387)
  • Application.add_domain implementation (#2809)
  • The default app in the request returned by test_utils.make_mocked_request can now have objects assigned to it and retrieved using the [] operator. (#3174)
  • Make request.url accessible when transport is closed. (#3177)
  • Add zlib_executor_size argument to Response constructor to allow compression to run in a background executor to avoid blocking the main thread and potentially triggering health check failures. (#3205)
  • Enable users to set ClientTimeout in aiohttp.request (#3213)
  • Don't raise a warning if NETRC environment variable is not set and ~/.netrc file doesn't exist. (#3267)
  • Add default logging handler to web.run_app If the Application.debug` flag is set and the default logger aiohttp.access is used, access logs will now be output using a stderr StreamHandler if no handlers are attached. Furthermore, if the default logger has no log level set, the log level will be set to DEBUG. (#3324)
  • Add method argument to session.ws_connect(). Sometimes server API requires a different HTTP method for WebSocket connection establishment. For example, Docker exec needs POST. (#3378)
  • Create a task per request handling. (#3406)

Bugfixes

  • Enable passing access_log_class via handler_args (#3158)
  • Return empty bytes with end-of-chunk marker in empty stream reader. (#3186)
  • Accept CIMultiDictProxy instances for headers argument in web.Response constructor. (#3207)
  • Don't uppercase HTTP method in parser (#3233)
  • Make method match regexp RFC-7230 compliant (#3235)
  • Add app.pre_frozen state to properly handle startup signals in sub-applications. (#3237)
  • Enhanced parsing and validation of helpers.BasicAuth.decode. (#3239)
  • Change imports from collections module in preparation for 3.8. (#3258)
  • Ensure Host header is added first to ClientRequest to better replicate browser (#3265)
  • Fix forward compatibility with Python 3.8: importing ABCs directly from the collections module will not be supported anymore. (#3273)
  • Keep the query string by normalize_path_middleware. (#3278)
  • Fix missing parameter raise_for_status for aiohttp.request() (#3290)
  • Bracket IPv6 addresses in the HOST header (#3304)
  • Fix default message for server ping and pong frames. (#3308)
  • Fix tests/test_connector.py typo and tests/autobahn/server.py duplicate loop def. (#3337)
  • Fix false-negative indicator end_of_HTTP_chunk in StreamReader.readchunk function (#3361)
  • Release HTTP response before raising status exception (#3364)
  • Fix task cancellation when sendfile() syscall is used by static file handling. (#3383)
  • Fix stack trace for asyncio.TimeoutError which was not logged, when it is caught in the handler. (#3414)

Improved Documentation

  • Improve documentation of Application.make_handler parameters. (#3152)
  • Fix BaseRequest.raw_headers doc. (#3215)
  • Fix typo in TypeError exception reason in web.Application._handle (#3229)
  • Make server access log format placeholder %b documentation reflect behavior and docstring. (#3307)

Deprecations and Removals

  • Deprecate modification of session.requote_redirect_url (#2278)
  • Deprecate stream.unread_data() (#3260)
  • Deprecated use of boolean in resp.enable_compression() (#3318)
  • Encourage creation of aiohttp public objects inside a coroutine (#3331)
  • Drop dead Connection.detach() and Connection.writer. Both methods were broken for more than 2 years. (#3358)
  • Deprecate app.loop, request.loop, client.loop and connector.loop properties. (#3374)
  • Deprecate explicit debug argument. Use asyncio debug mode instead. (#3381)
  • Deprecate body parameter in HTTPException (and derived classes) constructor. (#3385)
  • Deprecate bare connector close, use async with connector: and await connector.close() instead. (#3417)
  • Deprecate obsolete read_timeout and conn_timeout in ClientSession constructor. (#3438)

Misc

  • #3341, #3351