eventlet

Update changelog for version 0.41.0 (#1088)

Related to #1073

Signed-off-by: Hervé Beraud hberaud@redhat.com

Related to #1063

Related to #1059

Related to #1051

Related to #1039

Related to #1028

Related to #1016

• [fix] fix the monkey patching with the asyncio hub
• [feature] introduce the unmonkeypatching feature

• [fix] Python 3.13: Use greenthread's dead state where possible (#1000)
• [env] bump github Actions (#996)
• [fix] Fix bug where asyncio hub didn't support multiple os threads (#995)

• Python 3.13 Support (#988)
• [fix] wsgi: server MUST NOT send Content-Length/Transfer-Encoding header in response with a status code of 1xx, 204 or (2xx to CONNECT request) (#747)
• [fix] wsgi: No request Content-Length nor Transfer-Encoding implies no body (#985)

• [fix] os.read/write waits until file descriptor is ready. https://github.com/eventlet/eventlet/pull/975
• [fix] Upgrade RLocks as last thing we do https://github.com/eventlet/eventlet/pull/970
• [security] drop header keys with underscores https://github.com/eventlet/eventlet/pull/959
• [doc] Various doc updates (Migration Guide, repair links, warns...)

• [fix] eventlet.websocket is not always used from eventlet.wsgi, so do not assume eventlet.set_idle exists https://github.com/eventlet/eventlet/pull/949

• [fix] Make sure asyncio hub doesn't use greendns for asyncio DNS APIs https://github.com/eventlet/eventlet/pull/938
• [fix] Make asyncio.to_thread work with the same semantics as normal asyncio https://github.com/eventlet/eventlet/pull/930
• [fix] Refactor congruence checks based on assert at runtime https://github.com/eventlet/eventlet/pull/932
• [tests] Run tests on macOS in CI, and some fixes to get it in reasonable state (#list https://github.com/eventlet/eventlet/pull/934
• [fix] Fix wsgi.server shutdown for in-flight requests https://github.com/eventlet/eventlet/pull/912
• [feature] Add debug convenience helpers - asyncio, threads https://github.com/eventlet/eventlet/pull/925
• [fix] Handle errors better. https://github.com/eventlet/eventlet/pull/923

• [fix] Fix tool.setuptools/packages list https://github.com/eventlet/eventlet/pull/921
• [security] Dnspython 2.6.1 - Address DoS via the Tudoor mechanism (CVE-2023-29483) https://github.com/eventlet/eventlet/pull/916
• [doc] add asyncio into the doc hub page https://github.com/eventlet/eventlet/pull/918
• [clean] clean obsolete python 2 code from the ssl module https://github.com/eventlet/eventlet/pull/915
• [fix] Add get_server_info to db_pool.py https://github.com/eventlet/eventlet/pull/324
• [fix] wsgi: Handle Timeouts from applications https://github.com/eventlet/eventlet/pull/911
• [fix] shrinks window before connecting https://github.com/eventlet/eventlet/pull/905

• [fix] Do not allow failed patching to stop execution https://github.com/eventlet/eventlet/pull/907

• [doc] Basic documentation for asyncio migration https://github.com/eventlet/eventlet/pull/892
• [tests] add minimal linting https://github.com/eventlet/eventlet/pull/894
• [doc] officially host docs on readthedocs https://github.com/eventlet/eventlet/pull/899
• [fix] fix truncate size nullable https://github.com/eventlet/eventlet/pull/789
• [fix] Handle transport endpoint shutdown in conditions https://github.com/eventlet/eventlet/pull/884
• [fix] Rework reject_bad_requests option https://github.com/eventlet/eventlet/pull/890
• [fix] Fix NameError introduced by #826 https://github.com/eventlet/eventlet/pull/890
• [feature] Support awaiting GreenThread in an async def context https://github.com/eventlet/eventlet/pull/889
• [infra] Extend test cert to 2049 https://github.com/eventlet/eventlet/pull/643
• [feature] Asyncio hub support for Python 3.7 to 3.9 https://github.com/eventlet/eventlet/pull/886
• [infra] Modernize doc generation https://github.com/eventlet/eventlet/pull/880
• [fix] Fix bad exceptions handlings https://github.com/eventlet/eventlet/pull/883
• [feature] Support using asyncio coroutines from inside greenlets https://github.com/eventlet/eventlet/pull/877
• [removal] Remove deprecated CGIHTTPServer and SimpleHTTPServer https://github.com/eventlet/eventlet/pull/881
• [governance] Update maintenance goals https://github.com/eventlet/eventlet/pull/850
• [feature] Add an asyncio hub for eventlet https://github.com/eventlet/eventlet/pull/870

• Fix security issue in the wsgi module related to RFC 9112 https://github.com/eventlet/eventlet/pull/826
• Fix segfault, a new approach for greening existing locks https://github.com/eventlet/eventlet/pull/866
• greendns: fix getaddrinfo parameter name https://github.com/eventlet/eventlet/pull/809
• Fix deprecation warning on ssl.PROTOCOL_TLS https://github.com/eventlet/eventlet/pull/872
• Pytests, fix error at teardown of TestGreenSocket.test_full_duplex https://github.com/eventlet/eventlet/pull/871
• Skip test which uses Py cgi module https://github.com/eventlet/eventlet/pull/865
• Drop old code based on python < 3.7

• Allowing inheritance of GreenSSLSocket without overriding the _new method https://github.com/eventlet/eventlet/pull/796
• [bug] Fix broken API related to __version__ removal https://github.com/eventlet/eventlet/pull/859
• [doc] Fix pypi broken link https://github.com/eventlet/eventlet/pull/857

• [bug] Fix memory leak in greendns https://github.com/eventlet/eventlet/issues/810
• [infra] Fix OIDC authentication failure https://github.com/eventlet/eventlet/pull/855
• [bug] Ignore asyncore and asynchat for Python 3.12+ https://github.com/eventlet/eventlet/issues/804

• dnspython 2.3.0 raised AttributeError: module 'dns.rdtypes' has no attribute 'ANY' https://github.com/eventlet/eventlet/issues/781

• greenio: GreenPipe/fdopen() with 'a' in mode raised io.UnsupportedOperation: File or stream is not writable https://github.com/eventlet/eventlet/pull/758

• Prevent deadlock on logging._lock https://github.com/eventlet/eventlet/issues/742

• green.thread: unlocked Lock().release() should raise exception, returned True https://github.com/eventlet/eventlet/issues/697
• wsgi: Don't break HTTP framing during 100-continue handling https://github.com/eventlet/eventlet/pull/578
• Python 3.10 partial support https://github.com/eventlet/eventlet/pull/715
• greendns: Create a DNS resolver lazily rather than on import https://github.com/eventlet/eventlet/issues/462
• ssl: GreenSSLContext minimum_version and maximum_version setters https://github.com/eventlet/eventlet/issues/726

• greendns: compatibility with dnspython v2 https://github.com/eventlet/eventlet/pull/722
• green.ssl: wrap_socket now accepts argument ciphers https://github.com/eventlet/eventlet/pull/718
• websocket: control frames are now always uncompressed per RFC 7692; Thanks to Onno Kortmann

• ssl: py3.6 using client certificates raised ValueError: check_hostname needs server_hostname argument https://github.com/eventlet/eventlet/pull/705

• IMPORTANT: websocket: Limit maximum uncompressed frame length to 8MiB https://github.com/eventlet/eventlet/security/advisories/GHSA-9p9m-jm8w-94p2

• wsgi: websocket ALREADY_HANDLED flag on corolocal
• green.ssl: Set suppress_ragged_eofs default based on SSLSocket defaults
• greenio: socket.connect_ex returned None instead of 0 on success
• Use _imp instead of deprecated imp

• greendns: patch ssl to fix RecursionError on SSLContext.options.set https://github.com/eventlet/eventlet/issues/677

• patcher: built-in open() did not accept kwargs https://github.com/eventlet/eventlet/issues/683

• pyopenssl tsafe module was deprecated and removed in v20.0.0
• deprecate pyevent hub
• Deprecate CPython 2.7 and 3.4 support
• py39: Add _at_fork_reinit method to Semaphores

patcher: [py27] recursion error in pytest/python2.7 installing register_at_fork https://github.com/eventlet/eventlet/issues/660 patcher: monkey_patch(builtins=True) failed on py3 because file class is gone https://github.com/eventlet/eventlet/issues/541 don't crash on PyPy 7.0.0 https://github.com/eventlet/eventlet/pull/547 Only install monotonic on python2 https://github.com/eventlet/eventlet/pull/583

• ssl: context wrapped listener fails accept() https://github.com/eventlet/eventlet/issues/651

• Sorry, Eventlet was broken on Windows for versions 0.27-0.28 patcher: no os.register_at_fork on Windows (#654)
• Clean up TypeError in del

• Always remove the right listener from the hub https://github.com/eventlet/eventlet/pull/645

• patcher: Clean up threading book-keeping at fork when monkey-patched
• backdoor: handle disconnects better

• pin dnspython <2.0.0 https://github.com/eventlet/eventlet/issues/619

• Fix compatibility with SSLContext usage >= Python 3.7
• wsgi: Fix header capitalization on py3
• Fix #508: Py37 Deadlock ThreadPoolExecutor (#598)
• drop Python 3.4 support
• Fix misc SyntaxWarning's under Python 3.8
• Remove unnecessary assignment in _recv_loop (#601)

• green.ssl: redundant set_nonblocking() caused SSLWantReadError

• wsgi (tests): Stop using deprecated cgi.parse_qs() to support Python 3.8; Thanks to Miro Hrončok
• os: Add workaround to open for pathlib on py 3.7; Thanks to David Szotten

• wsgi: Only send 100 Continue response if no response has been sent yet; Thanks to Tim Burke
• wsgi: Return 400 on negative Content-Length request headers; Thanks to Tim Burke
• Make a GreenPile with no spawn()s an empty sequence; Thanks to nat-goodspeed
• wsgi: fix Input.readlines when dealing with chunked input; Thanks to Tim Burke
• wsgi: fix Input.readline on Python 3; Thanks to Tim Burke
• wsgi: Stop replacing invalid UTF-8 on py3; Thanks to Tim Burke
• ssl: Fix compatibility with Python 3.7 ssl.SSLSocket; Thanks to Junyi
• reimport submodule as well in patcher.inject; Thanks to Junyi
• use Python 2 compatible syntax for keyword-only args; Thanks to nat-goodspeed
• wsgi: Catch and swallow IOErrors during discard(); Thanks to Tim Burke
• Fix for Python 3.7; Thanks to Marcel Plch
• Fix race that could cause using epolls as default hub even when platform does not support it; Thanks to Sergey Shepelev
• wsgi: make Expect 100-continue field-value case-insensitive; Thanks to Julien Kasarherou
• greenthread: optimize _exit_funcs getattr/del dance; Thanks to Alex Kashirin
• New benchmarks runner; Thanks to Sergey Shepelev
• ssl: fix connect to use monotonic clock for timeout; Thanks to Sergey Shepelev

• greendns: don't contact nameservers if one entry is returned from hosts file; Thanks to Daniel Alvarez

• greendns: Fix infinite loop when UDP source address mismatch; Thanks to Lon Hohberger
• greendns: Fix bad ipv6 comparison; Thanks to Lon Hohberger
• wsgi: Use byte strings on py2 and unicode strings on py3; Thanks to Tim Burke
• pools: put to empty pool would block sometimes; Thanks to Sam Merritt
• greendns: resolving over TCP produced ValueError; Thanks to Jaume Marhuenda
• support.greendns: ImportError when dns.rdtypes was imported before eventlet; Thanks to Jaume Marhuenda
• greendns: full comment lines were not skipped; Thanks to nat-goodspeed
• Drop support for Python3.3; Python2.6 and python-epoll package
• external dependencies for six, monotonic, dnspython; Thanks to nat-goodspeed
• wsgi: Don't strip all Unicode whitespace from headers on py3; Thanks to Tim Burke

• green.threading: current_thread() did not see new monkey-patched threads; Thanks to Jake Tesler
• tpool: exception in tpool-ed call leaked memory via backtrace
• wsgi: latin-1 encoding dance for environ[PATH_INFO]

• Fixed issue installing excess enum34 on Python3.4+ (rebuild with updated setuptools)
• event: Event.wait() timeout=None argument to be compatible with upstream CPython
• greendns: Treat /etc/hosts entries case-insensitive; Thanks to Ralf Haferkamp

• convenience: (SO_REUSEPORT) socket.error is not OSError on Python 2; Thanks to JacoFourie@github
• convenience: SO_REUSEPORT is not available on WSL platform (Linux on Windows)
• convenience: skip SO_REUSEPORT for bind on random port (0)
• dns: reading /etc/hosts raised DeprecationWarning for universal lines on Python 3.4+; Thanks to Chris Kerr
• green.openssl: Drop OpenSSL.rand support; Thanks to Haikel Guemar
• green.subprocess: keep CalledProcessError identity; Thanks to Linbing@github
• greendns: be explicit about expecting bytes from sock.recv; Thanks to Matt Bennett
• greendns: early socket.timeout was breaking IO retry loops
• GreenSocket.accept does not notify_open; Thanks to orishoshan
• patcher: set locked RLocks' owner only when patching existing locks; Thanks to Quan Tian
• patcher: workaround for monotonic "no suitable implementation"; Thanks to Geoffrey Thomas
• queue: empty except was catching too much
• socket: context manager support; Thanks to Miguel Grinberg
• support: update monotonic 1.3 (5c0322dc559bf)
• support: upgrade bundled dnspython to 1.16.0 (22e9de1d7957e) https://github.com/eventlet/eventlet/issues/427
• websocket: fd leak when client did not close connection properly; Thanks to Konstantin Enchant
• websocket: support permessage-deflate extension; Thanks to Costas Christofi and Peter Kovary
• wsgi: close idle connections (also applies to websockets)
• wsgi: deprecated options are one step closer to removal
• wsgi: handle remote connection resets; Thanks to Stefan Nica

• New timeout error API: .is_timeout=True on exception object It's now easy to test if network error is transient and retry is appropriate. Please spread the word and invite other libraries to support this interface.
• hubs: use monotonic clock by default (bundled package); Thanks to Roman Podoliaka and Victor Stinner
• dns: EVENTLET_NO_GREENDNS option is back, green is still default
• dns: hosts file was consulted after nameservers
• ssl: RecursionError on Python3.6+; Thanks to justdoit0823@github and Gevent developers
• wsgi: log_output=False was not disabling startup and accepted messages
• greenio: Fixed OSError: [WinError 10038] Socket operation on nonsocket
• dns: EAI_NODATA was removed from RFC3493 and FreeBSD
• green.select: fix mark_as_closed() wrong number of args
• green.zmq: socket.{recv,send}_* signatures did not match recent upstream pyzmq
• New feature: Add zipkin tracing to eventlet
• db_pool: proxy Connection.set_isolation_level()
• green.zmq: support RCVTIMEO (receive timeout)
• green.profile: Python3 compatibility; Thanks to Artur Stawiarski
• support: upgrade bundled six to 1.10 (dbfbfc818e3d)
• python3.6: http.client.request support chunked_encoding

• dns: try unqualified queries as top level
• test_import_patched_defaults bended to play with pyopenssl>=16.1.0
• Explicit environ flag for importing eventlet.version without ignoring import errors
• Type check Semaphore, GreenPool arguments; Thanks to Matthew D. Pagel

• IMPORTANT: removed select.poll() function
• DNS resolving is always green with dnspython bundled in
• greenio: only trampoline when we block
• convenience: listen() sets SO_REUSEPORT when available; Thanks to Zhengwei Gao
• ssl: Fix "TypeError: read() argument 2 must be read-write bytes-like object, not None"
• greenio: _recv_loop behaviour with recv_into on closed sock
• ipv6: getaddrinfo would fail with scope index
• green.zmq: Support {send,recv}_{string,json,pyobj} wrappers
• greendns: Return answers from /etc/hosts despite nameserver errors
• patcher: fixed green existing locks fail (Python3)
• Add DAGPool, a dependency-driven greenthread pool
• wsgi: Unix socket address representation; Thanks to Samuel Merritt
• tpool: isolate internal socket from default timeout; Thanks to Alex Villacís Lasso
• wsgi: only skip Content-Type and Content-Length headers (GH-327)
• wsgi: 400 on blank Content-Length headers (GH-334)
• greenio: makefile related pypy socket ref counting
• ssl: Fix recv_into blocking when reading chunks of data
• websocket: support Gunicorn environ['gunicorn.socket']

• ssl: IMPORTANT DoS FIX do_handshake_connect=False in server accept(); Thanks to Garth Mollett
• patcher: patch existing threading locks; Thanks to Alexis Lee
• green.urllib2: missing patched ssl module; Thanks to Collin RM Stocks
• wsgi: environ[headers_raw] tuple of unmodified name: value pairs
• test against modern pyopenssl 16.0.0 for Python 2.7+; Thanks to Victor Stinner
• wsgi: document compatibility with python logging
• Minor grammatical improvements and typo fixes to the docs; Thanks to Steven Erenst

• wsgi: change TCP_NODELAY to TCP_QUICKACK, ignore socket error when not available

• wsgi: Use buffered writes - fixes partial socket.send without custom writelines(); Github issue #295
• wsgi: TCP_NODELAY enabled by default

• wsgi: Fix data loss on partial writes (socket.send); Thanks to Jakub Stasiak

• ssl: incorrect initalization of default context; Thanks to stuart-mclaren

• Wheel build 0.16.0 incorrectly shipped removed module eventlet.util.

• greenio: fixed memory leak, introduced in 0.15.1; Thanks to Michael Kerrin, Tushar Gohad
• wsgi: Support optional headers w/ "100 Continue" responses; Thanks to Tushar Gohad