[issue36880] Returning None from a callback with restype py_object decrements None's refcount too much

anthony shaw added the comment: Thanks, I'll check this out -- assignee: -> anthonypjshaw nosy: +anthonypjshaw ___ Python tracker ___

[issue36882] 在ctypes里调用C库返回c_char_p类型时的问题

anthony shaw added the comment: "When the C library is called in ctypes to return the c_char_p type, the problem that only the string before \0 can be obtained when the string contains \\0" This function is specifically for null-terminated strings (\0), please could you be more specific

[issue36883] 在ctypes里调用C库返回c_char_p类型时的问题

anthony shaw added the comment: Closing as duplicate of 36882 -- nosy: +anthonypjshaw ___ Python tracker ___ ___ Python-bugs-list

[issue36883] 在ctypes里调用C库返回c_char_p类型时的问题

Change by anthony shaw : -- stage: -> resolved status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue36863] argparse doesn't like options in the middle of arguments

Martin Panter added the comment: The “cmd” module doesn’t use “argparse” as far as I can see. You might have to provide more information or code for someone to make sense of or reproduce your bug. Also, see Issue 14191 which added new “parse_[known]_intermixed_args” APIs in 3.7, and have a

[issue32573] All sys attributes (.argv, ...) should exist in embedded environments

Change by Dieter Weber : -- keywords: +patch pull_requests: +13153 stage: -> patch review ___ Python tracker ___ ___

[issue36751] Changes in the inspect module for PEP 570

Nick Coghlan added the comment: Also note #32190 regarding changing the way these APIs are documented, without introducing any programmatic deprecation warnings. -- ___ Python tracker

[issue27172] Undeprecate inspect.getfullargspec()

Change by Nick Coghlan : -- status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36751] Changes in the inspect module for PEP 570

Nick Coghlan added the comment: And no, the undeprecation wasn't because of Python 2 (Py2 doesn't have getfullargspec() - it's a Py3 only API). The undeprecation was because there are a lot of 3rd party projects for whom the getfullargspec() representation is good enough, and switching to

[issue36751] Changes in the inspect module for PEP 570

Change by Nick Coghlan : -- priority: normal -> release blocker ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue36751] Changes in the inspect module for PEP 570

Nick Coghlan added the comment: This PR needs to be reverted - we previously deprecated this API, but then undeprecated it again in #27172, as the consequence of deprecating it was projects copying & pasting the getfullargspec() implementation into their own code, not switching to

[issue9351] argparse set_defaults on subcommands should override top level set_defaults

paul j3 added the comment: A variation on the problem I reported in https://bugs.python.org/issue9351#msg229968 is that a custom Namespace class as documented in https://docs.python.org/3/library/argparse.html#the-namespace-object will not be used by the subparsers. Only the main parser

[issue13824] argparse.FileType opens a file and never closes it

paul j3 added the comment: While I continue to follow argparse issues, I'm not doing development (with my own repository, etc). I haven't revisited the issue since 2013, and don't know that much more about Python file handling. Occasionally 'FileType' issues come up on StackOverflow,

[issue36881] isinstance raises TypeError for metaclass with metaclass=ABCMeta

New submission from Randy Eckman : >>> from abc import ABCMeta >>> class AbstractMeta(type, metaclass=ABCMeta): pass ... >>> class Meta1(AbstractMeta): pass ... >>> class Meta2(AbstractMeta): pass ... >>> class ClassA(metaclass=Meta1): pass ... >>> isinstance(ClassA, Meta2) Traceback (most

[issue36875] argparse does not ship with translations

Terry J. Reedy added the comment: Many modules contain translatable strings. CPython does not ship with translations of any of them and I believe it is against policy to do so. 1. Core developers, though an international group, are not competent to create or approve translations. 2. Core

[issue35495] argparse does not honor default argument for nargs=argparse.REMAINDER argument

paul j3 added the comment: At the start of parse_known_args, all defaults (except SUPPRESS ones) are placed in the namespace: # add any action defaults that aren't present for action in self._actions: if action.dest is not SUPPRESS: if not

[issue36788] Add clamp() function to builtins

Change by Terry J. Reedy : -- versions: +Python 3.8 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue21536] extension built with a shared python cannot be loaded with a static python

STINNER Victor added the comment: New changeset 4ebcd7e2980d650c711d21b93447af39a8604554 by Victor Stinner in branch 'master': bpo-21536: Update What's New in Python 3.8 entry (GH-13242) https://github.com/python/cpython/commit/4ebcd7e2980d650c711d21b93447af39a8604554 --

[issue36471] PEP 432, PEP 587: Add _Py_RunMain()

STINNER Victor added the comment: The PEP 587 will decide if this function is made public or not. -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue21536] extension built with a shared python cannot be loaded with a static python

Change by STINNER Victor : -- pull_requests: +13152 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36728] Remove PyEval_ReInitThreads() from the public C API

STINNER Victor added the comment: The function was added 19 years ago: commit fee3a2dd8cf984b8261032086fe513bf7327b601 Author: Guido van Rossum Date: Sun Aug 27 17:34:07 2000 + Charles Waldman's patch to reinitialize the interpreter lock after a fork. This solves the

[issue36728] Remove PyEval_ReInitThreads() from the public C API

Change by STINNER Victor : -- keywords: +patch pull_requests: +13151 stage: -> patch review ___ Python tracker ___ ___

[issue36749] PPC64 AIX 3.x: compilation issue, linker fails to locate symbols

STINNER Victor added the comment: PPC64 AIX 3.x buildbot worker is back to green. It seems like my PR 13004 is useless. I close the issue. -- resolution: -> not a bug stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue33303] ElementTree Comment text isn't escaped

Jeffrey Kintscher added the comment: Which characters would you escape in a processing instruction? The XML spec says not to escape '<' and '&', but doesn't say what should be escaped. It seems to me that escaping '?' when followed by '>' should be sufficient since the character sequence

[issue36878] ast.parse with type_comments=True should allow extra text after # type: ignore

Ivan Levkivskyi added the comment: I like the idea of separate smaller PRs, the first one looks good. -- ___ Python tracker ___

[issue36810] Recursive type annotations do not work in documentation tests

Guido van Rossum added the comment: I don't think there's an actionable bug here. -- ___ Python tracker ___ ___ Python-bugs-list

[issue36778] test_site.StartupImportTests.test_startup_imports fails if default code page is cp65001

Change by STINNER Victor : -- pull_requests: +13150 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36620] Documentation missing parameter for Itertools.zip_longest

Raymond Hettinger added the comment: I'll take care of it. Thank you. -- stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue27639] UserList.__getitem__ doesn't account for slices

Change by Raymond Hettinger : -- assignee: rhettinger -> ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36880] Returning None from a callback with restype py_object decrements None's refcount too much

New submission from dgelessus : This occurs when writing a ctypes callback in Python whose restype is ctypes.py_object. If the callback returns None, the refcount of None is decremented once too often. This happens every time the callback is called, and if done often enough, Python attempts

[issue36810] Recursive type annotations do not work in documentation tests

Change by Ivan Levkivskyi : -- nosy: +gvanrossum, lukasz.langa ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue36876] Global C variables are a problem.

Change by Pablo Galindo Salgado : -- nosy: +pablogsal ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36879] bug with round() and "numpy floats"

Change by Pablo Galindo Salgado : -- assignee: -> docs@python components: +Documentation nosy: +docs@python resolution: -> not a bug versions: +Python 3.7, Python 3.8 ___ Python tracker

[issue36879] bug with round() and "numpy floats"

Pablo Galindo Salgado added the comment: round() delegates to class.__round__, so what's happening here is that numpy's float implements __round__ in a way it returns a float. There is no restriction on what the class can return: >>> class A: ... def __round__(self): ... return

[issue32587] Make REG_MULTI_SZ support PendingFileRenameOperations

Change by Zackery Spytz : -- nosy: +ZackerySpytz ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

Jeffrey Kintscher added the comment: My mistake was not adding --enable-framework=${HOME}/sandbox/src/python3.7/inst to the configure script and then running make make install (I know... read the README file) gcc 8.3.0 doesn't like the Xcode system headers included by the .m files. I

[issue36710] Pass _PyRuntimeState as an argument rather than using the _PyRuntime global variable

STINNER Victor added the comment: New changeset 09532feeece39d5ba68a0d47115ce1967bfbd58e by Victor Stinner in branch 'master': bpo-36710: Add 'ceval' local variable to ceval.c (GH-12934) https://github.com/python/cpython/commit/09532feeece39d5ba68a0d47115ce1967bfbd58e --

[issue32587] Make REG_MULTI_SZ support PendingFileRenameOperations

Change by Zackery Spytz : -- keywords: +patch pull_requests: +13149 stage: needs patch -> patch review ___ Python tracker ___ ___

[issue34408] possible null pointer dereference in pystate.c

STINNER Victor added the comment: > I have backported the fix to 3.7 :) Ok, thanks. -- ___ Python tracker ___ ___

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: > open O_RDONLY failed Ah. That sounds like an issue on your machine or specific to AIX. I don't see what Python can do to support a platform where /dev/urandom doesn't work. Python really needs /dev/urandom at startup to initialize its "hash secret" to

[issue36345] Deprecate Tools/scripts/serve.py in favour of python -m http.server -d

STINNER Victor added the comment: Ok, thanks Berker for your longer answer. I have no opinion on this example anymore. Stéphane and others: I let you decide how to handle it ;-) -- ___ Python tracker

[issue36818] Add PyInterpreterState.runtime.

STINNER Victor added the comment: Eric is working on a different approach: https://bugs.python.org/issue36854 -- resolution: -> rejected stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue36867] Make semaphore_tracker track other system resources

Antoine Pitrou added the comment: New changeset f22cc69b012f52882d434a5c44a004bc3aa5c33c by Antoine Pitrou (Pierre Glaser) in branch 'master': bpo-36867: Make semaphore_tracker track other system resources (GH-13222)

[issue36879] bug with round() and "numpy floats"

New submission from Scaler : round()'s documentation (https://docs.python.org/3/library/functions.html#round) says that "The return value is an integer if ndigits is omitted or None." Works well with "built-in floats", but not with "numpy floats" (didn't know they were different): >>>

[issue36878] ast.parse with type_comments=True should allow extra text after # type: ignore

Change by Michael Sullivan : -- keywords: +patch pull_requests: +13148 stage: -> patch review ___ Python tracker ___ ___

[issue27639] UserList.__getitem__ doesn't account for slices

Michael Blahay added the comment: PR 13203 has finally made it through all checks successfully and is now awaiting merging. Please someone pick it up and merge it. Thank you -- ___ Python tracker

[issue36878] ast.parse with type_comments=True should allow extra text after # type: ignore

New submission from Michael Sullivan : Per discussion during the typing summit at PyCon, it would be a good idea to allow extra information to be included in `# type: ignore` comments, in order to allow behavior such as suppressing individual errors (for example, with syntax like `# type:

[issue36876] Global C variables are a problem.

Eric Snow added the comment: Also, Tools/c-globals/ignored-globals.txt is a bit out of date (some vars have been removed, renamed, or moved to another file). That should get cleaned up. It might also make sense to update check-c-globals.py to verify that all variables in

[issue35495] argparse does not honor default argument for nargs=argparse.REMAINDER argument

Michael Blahay added the comment: Much detail has been provided regarding why the default is ignored when user the REMAINDER option. The desire to add an exception has not. Is there anyone that can provide guidance on whether the combination of: 1. Positional Argument 2. nargs=REMAINDER 3.

[issue34408] possible null pointer dereference in pystate.c

Pablo Galindo Salgado added the comment: New changeset 34ed40f2e56703de04241cbacb306113b59a84f9 by Pablo Galindo in branch '3.7': [3.7] bpo-34408: Prevent a null pointer dereference and resource leakage in `PyInterpreterState_New()` (GH-8767) (GH-13237)

[issue34408] possible null pointer dereference in pystate.c

Pablo Galindo Salgado added the comment: I have backported the fix to 3.7 :) -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue36877] [meta] Move fields from _PyRuntimeState to PyInterpreterState.

Eric Snow added the comment: In conjunction with #36876, there are a bunch of currently ignored globals (in Tools/c-globals/ignored-globals.txt) that should actually be moved to per-interpreter runtime state. This mostly applies to any globals that point to one or more objects, since

[issue35495] argparse does not honor default argument for nargs=argparse.REMAINDER argument

Michael Blahay added the comment: With the optional arguments, the determination about whether to use the default value is made based on whether the flag is present or not. When positional arguments are involved, the need for the defaults seems to in part be determined based on whether the

[issue34408] possible null pointer dereference in pystate.c

Change by Pablo Galindo Salgado : -- pull_requests: +13147 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36863] argparse doesn't like options in the middle of arguments

Change by Glenn Linderman : -- nosy: +v+python ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36810] Recursive type annotations do not work in documentation tests

Ivan Levkivskyi added the comment: I think this is related to doc tests being executed in a namespace where the class definition is not available. I am not sure what is the best way here, a workaround is to explicitly pass the namespace, for example this passes: import typing def

[issue35495] argparse does not honor default argument for nargs=argparse.REMAINDER argument

Michael Blahay added the comment: Here is another take on the issue, this time illustrated through the lens of optional arguments. import argparse parser = argparse.ArgumentParser() parser.add_argument('--foo', nargs=1,default=['none']) parser.add_argument('--baz', nargs='*',

[issue36877] [meta] Move fields from _PyRuntimeState to PyInterpreterState.

Eric Snow added the comment: FYI, I've already started some of this work: * #36737 warnings * #36854 gc * #33608 pending calls * #10915 & #15751 gilstate Other bits I'm planning on: * the rest of the global "ceval" state * the memory allocators * the GIL Note that, to make the GIL

[issue36877] [meta] Move fields from _PyRuntimeState to PyInterpreterState.

New submission from Eric Snow : We have quite a bit of global state the runtime that effectively breaks the isolation between interpreters. Some of it exists as "global" C variables (see #36876) and the rest as fields on _PyRuntimeState. The offending state should be moved to

[issue36876] Global C variables are a problem.

New submission from Eric Snow : We still have a bunch of "global" C variables (static globals, static locals, maybe thread-local storage) in our code-base that break the isolation between interpreters. I added Tools/c-globals/check-c-globals.py a while back to help identify such variables,

[issue36368] server process of shared_memory shuts down if KeyboardInterrupt

Antoine Pitrou added the comment: New changeset d0d64ad1f5f1dc1630004091d7f8209546c1220a by Antoine Pitrou (Pierre Glaser) in branch 'master': bpo-36368: Ignore SIGINT in SharedMemoryManager servers. (GH-12483) https://github.com/python/cpython/commit/d0d64ad1f5f1dc1630004091d7f8209546c1220a

[issue15987] Provide a way to compare AST nodes for equality recursively

Ivan Levkivskyi added the comment: Btw, I am +1 on this feature (preferably with an option to check line, column, end line, and end column). I always wanted this, but never had time to actually implement this. -- nosy: +levkivskyi ___ Python

[issue36338] urlparse of urllib returns wrong hostname

Change by Pierre Glaser : -- pull_requests: +13146 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36084] Threading: add builtin TID attribute to Thread objects

Jake Tesler added the comment: The feature is supported on Windows: the file supporting Windows threading is `thread_nt.h`, not `thread_pthread.h` since Windows doesn't use POSIX-style threads. Also it is different from threading.get_ident() - ident is a Python-issued unique identifier,

[issue30657] [security] CVE-2017-1000158: Unsafe arithmetic in PyString_DecodeEscape

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342086 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue35495] argparse does not honor default argument for nargs=argparse.REMAINDER argument

Michael Blahay added the comment: For the purpose of facilitating continuing conversation, here are two tests that contrast the use of * versus REMAINDER import argparse parser = argparse.ArgumentParser() parser.add_argument('foo', nargs=1,default=['none']) parser.add_argument('bar',

[issue35647] Cookie path check returns incorrect results

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342091 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue33329] sigaddset() can fail on some signal numbers

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342090 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue34791] xml package does not obey sys.flags.ignore_environment

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342089 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue32072] Issues with binary plists

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342093 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30730] [security] Injecting environment variable in subprocess on Windows

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342094 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30939] Sphinx 1.6.3 deprecation warning for sphinx.util.compat.Directive in docs builds

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342095 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue34656] [CVE-2018-20406] memory exhaustion in Modules/_pickle.c:1393

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342084 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30231] test_imaplib needs a TLS server accepting self-signed certificates

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342100 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue31036] building the python docs requires the blurb module

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342110 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue25008] Deprecate smtpd (based on deprecated asyncore/asynchat)

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342099 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30119] (ftplib) A remote attacker could possibly attack by containing the newline characters

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342096 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue29591] expat 2.2.0: Various security vulnerabilities in bundled expat (CVE-2016-0718 and CVE-2016-4472)

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342087 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue32981] Catastrophic backtracking in poplib (CVE-2018-1060) and difflib (CVE-2018-1061)

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342092 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30726] [Windows] Warnings in elementtree due to new expat

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342097 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue34623] _elementtree.c doesn't call XML_SetHashSalt()

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342101 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue26657] Directory traversal with http.server and SimpleHTTPServer on windows

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342102 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue27945] Various segfaults with dict

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342104 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue33001] Buffer overflow vulnerability in os.symlink on Windows (CVE-2018-1000117)

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342103 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue36216] CVE-2019-9636: urlsplit does not handle NFKC normalization

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342088 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue31170] Update to expat 2.2.4 (expat: utf8_toUtf8 cannot properly handle exhausting buffer)

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342109 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30947] Update embeded copy of libexpat from 2.2.1 to 2.2.3

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342105 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue29572] Upgrade installers to OpenSSL 1.0.2k

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342106 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue35121] Cookie domain check returns incorrect results

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342111 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30500] [security] urllib connects to a wrong host

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342098 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue26617] Assertion failed in gc with __del__ and weakref

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342107 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue30694] Update embedded copy of expat to 2.2.1

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342085 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue29169] update zlib to 1.2.11

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342113 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue32620] [3.5] Travis CI fails on Python 3.5 with "pyenv: version `3.5' not installed"

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342108 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue36512] future_factory argument for Thread/ProcessPoolExecutor

Stefan Hölzl added the comment: It would allow to use Futures with a customized interface for a specific domain. e.g. to not only save the result of a task but also some context informations or provide properties/methods which are result specific. But when subclassing Future the builtin

[issue35746] [ssl][CVE-2019-5010] TALOS-2018-0758 Denial of Service

Change by Ned Deily : -- Removed message: https://bugs.python.org/msg342112 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue34128] Release GIL periodically in _pickle module

Change by Antoine Pitrou : -- nosy: +pierreglaser ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue30947] Update embeded copy of libexpat from 2.2.1 to 2.2.3

Ned Deily added the comment: New changeset 86a713cb0c110b6798ca7f9e630fc511ee0a4028 by larryhastings (Victor Stinner) in branch '3.4': [3.4][Security] bpo-30947, bpo-31170: Update expat from 2.2.1 to 2.2.4 (#3353)

[issue31170] Update to expat 2.2.4 (expat: utf8_toUtf8 cannot properly handle exhausting buffer)

Ned Deily added the comment: New changeset 86a713cb0c110b6798ca7f9e630fc511ee0a4028 by larryhastings (Victor Stinner) in branch '3.4': [3.4][Security] bpo-30947, bpo-31170: Update expat from 2.2.1 to 2.2.4 (#3353)

[issue25008] Deprecate smtpd (based on deprecated asyncore/asynchat)

Ned Deily added the comment: New changeset f37b0cb230069481609b0bb06891b5dd26320504 by Barry Warsaw in branch '3.4': bpo-25008: Deprecate smtpd and point to aiosmtpd (#274) (#280) https://github.com/python/cpython/commit/f37b0cb230069481609b0bb06891b5dd26320504 -- nosy: +ned.deily

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