Mailman 3 August 2020 - Python-checkins

README: Add link to LICENSE (GH-21565)
by Will Binns Aug. 24, 2020

Aug. 24, 2020

https://github.com/python/cpython/commit/3112aab31426f19a939f10cf114ff4137c… commit: 3112aab31426f19a939f10cf114ff4137ce96624 branch: master author: Will Binns <hello(a)willbinns.org> committer: GitHub <noreply(a)github.com> date: 2020-08-24T12:00:12-03:00 summary: README: Add link to LICENSE (GH-21565) Thanks @wbnns for your contribution. files: M README.rst diff --git a/README.rst b/README.rst index 9a646a2ee5da2..14f4f32bca796 100644 --- a/README.rst +++ b/README.rst @@ -259,8 +259,9 @@ rights reserved. Copyright (c) 1991-1995 Stichting Mathematisch Centrum. All rights reserved. -See the file "LICENSE" for information on the history of this software, terms & -conditions for usage, and a DISCLAIMER OF ALL WARRANTIES. +See the `LICENSE <https://github.com/python/cpython/blob/master/LICENSE>`_ for +information on the history of this software, terms & conditions for usage, and a +DISCLAIMER OF ALL WARRANTIES. This Python distribution contains *no* GNU General Public License (GPL) code, so it may be used in proprietary projects. There are interfaces to some GNU

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Document vars behavior when __dict__ is missing (GH-21466) (GH-21941)
by Miss Islington (bot) Aug. 22, 2020

Aug. 22, 2020

https://github.com/python/cpython/commit/08045391a7aa87d4fbd3e8ef4c852c2fa4… commit: 08045391a7aa87d4fbd3e8ef4c852c2fa4e81a8a branch: 3.8 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2020-08-22T16:15:29-03:00 summary: Document vars behavior when __dict__ is missing (GH-21466) (GH-21941) (cherry picked from commit 802726acf6048338394a6a4750835c2cdd6a947b) Co-authored-by: Andre Delfino <adelfino(a)gmail.com> files: M Doc/library/functions.rst diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 8cf755a0e6b38..c31efa96a92c1 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -1714,6 +1714,9 @@ are always available. They are listed here in alphabetical order. locals dictionary is only useful for reads since updates to the locals dictionary are ignored. + A :exc:`TypeError` exception is raised if an object is specified but + it doesn't have a :attr:`~object.__dict__` attribute (for example, if + its class defines the :attr:`~object.__slots__` attribute). .. function:: zip(*iterables)

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Fix grammar in Doc/tutorial/controlflow.rst (GH-21885) (#21923)
by Miss Islington (bot) Aug. 22, 2020

Aug. 22, 2020

https://github.com/python/cpython/commit/e94d5db5125059b253c2fa8abddb222805… commit: e94d5db5125059b253c2fa8abddb2228053be9e8 branch: 3.8 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2020-08-22T05:07:43-04:00 summary: Fix grammar in Doc/tutorial/controlflow.rst (GH-21885) (#21923) Automerge-Triggered-By: @csabella (cherry picked from commit 0be7c216e16f0d459f1c8f6209734c9b2b82fbd4) Co-authored-by: Denis Ovsienko <denis(a)ovsienko.info> files: M Doc/tutorial/controlflow.rst diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst index de2c73a398eda..547f4aec47b68 100644 --- a/Doc/tutorial/controlflow.rst +++ b/Doc/tutorial/controlflow.rst @@ -658,7 +658,7 @@ Finally, consider this function definition which has a potential collision betwe return 'name' in kwds There is no possible call that will make it return ``True`` as the keyword ``'name'`` -will always to bind to the first parameter. For example:: +will always bind to the first parameter. For example:: >>> foo(1, **{'name': 2}) Traceback (most recent call last):

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bpo-40994: Ungroup items in collections.abc documentation for improved clarity (GH-21880) (#21927)
by Miss Islington (bot) Aug. 22, 2020

Aug. 22, 2020

https://github.com/python/cpython/commit/0694b82381ff27e10bb15172da0832a7e6… commit: 0694b82381ff27e10bb15172da0832a7e65aaa2d branch: 3.8 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2020-08-22T05:06:14-04:00 summary: bpo-40994: Ungroup items in collections.abc documentation for improved clarity (GH-21880) (#21927) Use a less surprising document structure. Automerge-Triggered-By: @csabella (cherry picked from commit 2ce39631f679e14132a54dc90ce764259d26e166) Co-authored-by: Sydney Pemberton <46042811+sydneypemberton1986(a)users.noreply.github.com> files: M Doc/library/collections.abc.rst diff --git a/Doc/library/collections.abc.rst b/Doc/library/collections.abc.rst index dc7ae30b6d2fa..db0e25bb0772e 100644 --- a/Doc/library/collections.abc.rst +++ b/Doc/library/collections.abc.rst @@ -98,12 +98,20 @@ ABC Inherits from Abstract Methods Mixin .. class:: Container - Hashable - Sized - Callable - ABCs for classes that provide respectively the methods :meth:`__contains__`, - :meth:`__hash__`, :meth:`__len__`, and :meth:`__call__`. + ABC for classes that provide the :meth:`__contains__` method. + +.. class:: Hashable + + ABC for classes that provide the :meth:`__hash__` method. + +.. class:: Sized + + ABC for classes that provide the :meth:`__len__` method. + +.. class:: Callable + + ABC for classes that provide the :meth:`__call__` method. .. class:: Iterable

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Blurb release and pydoc topics for 3.5.10rc1.
by Larry Hastings Aug. 22, 2020

Aug. 22, 2020

https://github.com/python/cpython/commit/45efe034e66973c8702b8bbbcac041c873… commit: 45efe034e66973c8702b8bbbcac041c873aa5da3 branch: 3.5 author: Larry Hastings <larry(a)hastings.org> committer: Larry Hastings <larry(a)hastings.org> date: 2020-08-19T12:51:35-07:00 summary: Blurb release and pydoc topics for 3.5.10rc1. files: A Misc/NEWS.d/3.5.10rc1.rst D Misc/NEWS.d/next/Library/2020-03-25-16-02-16.bpo-39503.YmMbYn.rst D Misc/NEWS.d/next/Library/2020-07-01-16-59-46.bpo-41183.9stVAW.rst D Misc/NEWS.d/next/Library/2020-07-12-22-16-58.bpo-39017.x3Cg-9.rst D Misc/NEWS.d/next/Security/2019-11-15-00-54-42.bpo-38804.vjbM8V.rst D Misc/NEWS.d/next/Security/2019-12-01-22-44-40.bpo-38945.ztmNXc.rst D Misc/NEWS.d/next/Security/2020-01-30-16-15-29.bpo-39503.B299Yq.rst D Misc/NEWS.d/next/Security/2020-03-14-14-57-44.bpo-38576.OowwQn.rst D Misc/NEWS.d/next/Security/2020-03-15-01-28-36.bpo-39073.6Szd3i.rst D Misc/NEWS.d/next/Security/2020-06-29-16-02-29.bpo-41004.ovF0KZ.rst D Misc/NEWS.d/next/Security/2020-07-03-17-21-37.bpo-29778.cR_fGS.rst M Lib/pydoc_data/topics.py diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py index 1f001e34e6c74..3ddb0cf98767d 100644 --- a/Lib/pydoc_data/topics.py +++ b/Lib/pydoc_data/topics.py @@ -1,5 +1,5 @@ # -*- coding: utf-8 -*- -# Autogenerated by Sphinx on Fri Nov 1 15:54:02 2019 +# Autogenerated by Sphinx on Wed Aug 19 12:50:32 2020 topics = {'assert': 'The "assert" statement\n' '**********************\n' '\n' diff --git a/Misc/NEWS.d/3.5.10rc1.rst b/Misc/NEWS.d/3.5.10rc1.rst new file mode 100644 index 0000000000000..51c1aa32c8994 --- /dev/null +++ b/Misc/NEWS.d/3.5.10rc1.rst @@ -0,0 +1,106 @@ +.. bpo: 29778 +.. date: 2020-07-03-17-21-37 +.. nonce: cR_fGS +.. release date: 2020-08-19 +.. section: Security + +Ensure :file:`python3.dll` is loaded from correct locations when Python is +embedded (CVE-2020-15523). + +.. + +.. bpo: 41004 +.. date: 2020-06-29-16-02-29 +.. nonce: ovF0KZ +.. section: Security + +CVE-2020-14422: The __hash__() methods of ipaddress.IPv4Interface and +ipaddress.IPv6Interface incorrectly generated constant hash values of 32 and +128 respectively. This resulted in always causing hash collisions. The fix +uses hash() to generate hash values for the tuple of (address, mask length, +network address). + +.. + +.. bpo: 39073 +.. date: 2020-03-15-01-28-36 +.. nonce: 6Szd3i +.. section: Security + +Disallow CR or LF in email.headerregistry.Address arguments to guard against +header injection attacks. + +.. + +.. bpo: 38576 +.. date: 2020-03-14-14-57-44 +.. nonce: OowwQn +.. section: Security + +Disallow control characters in hostnames in http.client, addressing +CVE-2019-18348. Such potentially malicious header injection URLs now cause a +InvalidURL to be raised. + +.. + +.. bpo: 39503 +.. date: 2020-01-30-16-15-29 +.. nonce: B299Yq +.. section: Security + +CVE-2020-8492: The :class:`~urllib.request.AbstractBasicAuthHandler` class +of the :mod:`urllib.request` module uses an inefficient regular expression +which can be exploited by an attacker to cause a denial of service. Fix the +regex to prevent the catastrophic backtracking. Vulnerability reported by +Ben Caller and Matt Schwager. + +.. + +.. bpo: 38945 +.. date: 2019-12-01-22-44-40 +.. nonce: ztmNXc +.. section: Security + +Newline characters have been escaped when performing uu encoding to prevent +them from overflowing into to content section of the encoded file. This +prevents malicious or accidental modification of data during the decoding +process. + +.. + +.. bpo: 38804 +.. date: 2019-11-15-00-54-42 +.. nonce: vjbM8V +.. section: Security + +Fixes a ReDoS vulnerability in :mod:`http.cookiejar`. Patch by Ben Caller. + +.. + +.. bpo: 39017 +.. date: 2020-07-12-22-16-58 +.. nonce: x3Cg-9 +.. section: Library + +Avoid infinite loop when reading specially crafted TAR files using the +tarfile module (CVE-2019-20907). + +.. + +.. bpo: 41183 +.. date: 2020-07-01-16-59-46 +.. nonce: 9stVAW +.. section: Library + +Use 3072 RSA keys and SHA-256 signature for test certs and keys. + +.. + +.. bpo: 39503 +.. date: 2020-03-25-16-02-16 +.. nonce: YmMbYn +.. section: Library + +:class:`~urllib.request.AbstractBasicAuthHandler` of :mod:`urllib.request` +now parses all WWW-Authenticate HTTP headers and accepts multiple challenges +per header: use the realm of the first Basic challenge. diff --git a/Misc/NEWS.d/next/Library/2020-03-25-16-02-16.bpo-39503.YmMbYn.rst b/Misc/NEWS.d/next/Library/2020-03-25-16-02-16.bpo-39503.YmMbYn.rst deleted file mode 100644 index be80ce79d91ed..0000000000000 --- a/Misc/NEWS.d/next/Library/2020-03-25-16-02-16.bpo-39503.YmMbYn.rst +++ /dev/null @@ -1,3 +0,0 @@ -:class:`~urllib.request.AbstractBasicAuthHandler` of :mod:`urllib.request` -now parses all WWW-Authenticate HTTP headers and accepts multiple challenges -per header: use the realm of the first Basic challenge. diff --git a/Misc/NEWS.d/next/Library/2020-07-01-16-59-46.bpo-41183.9stVAW.rst b/Misc/NEWS.d/next/Library/2020-07-01-16-59-46.bpo-41183.9stVAW.rst deleted file mode 100644 index 1ca3c7d7996c1..0000000000000 --- a/Misc/NEWS.d/next/Library/2020-07-01-16-59-46.bpo-41183.9stVAW.rst +++ /dev/null @@ -1 +0,0 @@ -Use 3072 RSA keys and SHA-256 signature for test certs and keys. diff --git a/Misc/NEWS.d/next/Library/2020-07-12-22-16-58.bpo-39017.x3Cg-9.rst b/Misc/NEWS.d/next/Library/2020-07-12-22-16-58.bpo-39017.x3Cg-9.rst deleted file mode 100644 index ad26676f8b856..0000000000000 --- a/Misc/NEWS.d/next/Library/2020-07-12-22-16-58.bpo-39017.x3Cg-9.rst +++ /dev/null @@ -1 +0,0 @@ -Avoid infinite loop when reading specially crafted TAR files using the tarfile module (CVE-2019-20907). diff --git a/Misc/NEWS.d/next/Security/2019-11-15-00-54-42.bpo-38804.vjbM8V.rst b/Misc/NEWS.d/next/Security/2019-11-15-00-54-42.bpo-38804.vjbM8V.rst deleted file mode 100644 index 1f45142d9f743..0000000000000 --- a/Misc/NEWS.d/next/Security/2019-11-15-00-54-42.bpo-38804.vjbM8V.rst +++ /dev/null @@ -1 +0,0 @@ -Fixes a ReDoS vulnerability in :mod:`http.cookiejar`. Patch by Ben Caller. diff --git a/Misc/NEWS.d/next/Security/2019-12-01-22-44-40.bpo-38945.ztmNXc.rst b/Misc/NEWS.d/next/Security/2019-12-01-22-44-40.bpo-38945.ztmNXc.rst deleted file mode 100644 index 1bf6ed567b241..0000000000000 --- a/Misc/NEWS.d/next/Security/2019-12-01-22-44-40.bpo-38945.ztmNXc.rst +++ /dev/null @@ -1 +0,0 @@ -Newline characters have been escaped when performing uu encoding to prevent them from overflowing into to content section of the encoded file. This prevents malicious or accidental modification of data during the decoding process. \ No newline at end of file diff --git a/Misc/NEWS.d/next/Security/2020-01-30-16-15-29.bpo-39503.B299Yq.rst b/Misc/NEWS.d/next/Security/2020-01-30-16-15-29.bpo-39503.B299Yq.rst deleted file mode 100644 index 9f2800581ca5e..0000000000000 --- a/Misc/NEWS.d/next/Security/2020-01-30-16-15-29.bpo-39503.B299Yq.rst +++ /dev/null @@ -1,5 +0,0 @@ -CVE-2020-8492: The :class:`~urllib.request.AbstractBasicAuthHandler` class of the -:mod:`urllib.request` module uses an inefficient regular expression which can -be exploited by an attacker to cause a denial of service. Fix the regex to -prevent the catastrophic backtracking. Vulnerability reported by Ben Caller -and Matt Schwager. diff --git a/Misc/NEWS.d/next/Security/2020-03-14-14-57-44.bpo-38576.OowwQn.rst b/Misc/NEWS.d/next/Security/2020-03-14-14-57-44.bpo-38576.OowwQn.rst deleted file mode 100644 index 1d03574651725..0000000000000 --- a/Misc/NEWS.d/next/Security/2020-03-14-14-57-44.bpo-38576.OowwQn.rst +++ /dev/null @@ -1 +0,0 @@ -Disallow control characters in hostnames in http.client, addressing CVE-2019-18348. Such potentially malicious header injection URLs now cause a InvalidURL to be raised. diff --git a/Misc/NEWS.d/next/Security/2020-03-15-01-28-36.bpo-39073.6Szd3i.rst b/Misc/NEWS.d/next/Security/2020-03-15-01-28-36.bpo-39073.6Szd3i.rst deleted file mode 100644 index 6c9447b897bf6..0000000000000 --- a/Misc/NEWS.d/next/Security/2020-03-15-01-28-36.bpo-39073.6Szd3i.rst +++ /dev/null @@ -1 +0,0 @@ -Disallow CR or LF in email.headerregistry.Address arguments to guard against header injection attacks. diff --git a/Misc/NEWS.d/next/Security/2020-06-29-16-02-29.bpo-41004.ovF0KZ.rst b/Misc/NEWS.d/next/Security/2020-06-29-16-02-29.bpo-41004.ovF0KZ.rst deleted file mode 100644 index f5a9db52fff52..0000000000000 --- a/Misc/NEWS.d/next/Security/2020-06-29-16-02-29.bpo-41004.ovF0KZ.rst +++ /dev/null @@ -1 +0,0 @@ -CVE-2020-14422: The __hash__() methods of ipaddress.IPv4Interface and ipaddress.IPv6Interface incorrectly generated constant hash values of 32 and 128 respectively. This resulted in always causing hash collisions. The fix uses hash() to generate hash values for the tuple of (address, mask length, network address). diff --git a/Misc/NEWS.d/next/Security/2020-07-03-17-21-37.bpo-29778.cR_fGS.rst b/Misc/NEWS.d/next/Security/2020-07-03-17-21-37.bpo-29778.cR_fGS.rst deleted file mode 100644 index 998ffb1ee6667..0000000000000 --- a/Misc/NEWS.d/next/Security/2020-07-03-17-21-37.bpo-29778.cR_fGS.rst +++ /dev/null @@ -1,2 +0,0 @@ -Ensure :file:`python3.dll` is loaded from correct locations when Python is -embedded (CVE-2020-15523).

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Document vars behavior when __dict__ is missing (#21466)
by Andre Delfino Aug. 21, 2020

Aug. 21, 2020

https://github.com/python/cpython/commit/802726acf6048338394a6a4750835c2cdd… commit: 802726acf6048338394a6a4750835c2cdd6a947b branch: master author: Andre Delfino <adelfino(a)gmail.com> committer: GitHub <noreply(a)github.com> date: 2020-08-21T19:29:34-03:00 summary: Document vars behavior when __dict__ is missing (#21466) files: M Doc/library/functions.rst diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 43c47c1da9434..d381d43d8e99c 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -1734,6 +1734,9 @@ are always available. They are listed here in alphabetical order. locals dictionary is only useful for reads since updates to the locals dictionary are ignored. + A :exc:`TypeError` exception is raised if an object is specified but + it doesn't have a :attr:`~object.__dict__` attribute (for example, if + its class defines the :attr:`~object.__slots__` attribute). .. function:: zip(*iterables, strict=False)

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bpo-41573: Update release versions in General FAQ (GH-21915)
by wyz23x2 Aug. 21, 2020

Aug. 21, 2020

https://github.com/python/cpython/commit/7173fc84e61b80b19261e47fca38030206… commit: 7173fc84e61b80b19261e47fca38030206a3a78e branch: master author: wyz23x2 <52805709+wyz23x2(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2020-08-21T18:28:54-04:00 summary: bpo-41573: Update release versions in General FAQ (GH-21915) files: M Doc/faq/general.rst diff --git a/Doc/faq/general.rst b/Doc/faq/general.rst index eee3c3c203efa..cf70f16c6fe32 100644 --- a/Doc/faq/general.rst +++ b/Doc/faq/general.rst @@ -142,9 +142,9 @@ to fix critical bugs. Alpha, beta and release candidate versions have an additional suffix. The suffix for an alpha version is "aN" for some small number N, the suffix for a beta version is "bN" for some small number N, and the suffix for a release -candidate version is "cN" for some small number N. In other words, all versions +candidate version is "rcN" for some small number N. In other words, all versions labeled 2.0aN precede the versions labeled 2.0bN, which precede versions labeled -2.0cN, and *those* precede 2.0. +2.0rcN, and *those* precede 2.0. You may also find version numbers with a "+" suffix, e.g. "2.2+". These are unreleased versions, built directly from the CPython development repository. In @@ -309,8 +309,8 @@ releases. The latest stable releases can always be found on the `Python download page <https://www.python.org/downloads/>`_. There are two production-ready versions of Python: 2.x and 3.x. The recommended version is 3.x, which is supported by -most widely used libraries. Although 2.x is still widely used, `it will not -be maintained after January 1, 2020 <https://www.python.org/dev/peps/pep-0373/>`_. +most widely used libraries. Although 2.x is still widely used, `it is not +maintained anymore <https://www.python.org/dev/peps/pep-0373/>`_. How many people are using Python? ---------------------------------

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Update references from travis-ci.org to travis-ci.com (GH-21919)
by Ernest W. Durbin III Aug. 21, 2020

Aug. 21, 2020

https://github.com/python/cpython/commit/d2b0ce6c35dc18d3f81b1fa73579d2f65f… commit: d2b0ce6c35dc18d3f81b1fa73579d2f65fbc85af branch: master author: Ernest W. Durbin III <ernest(a)python.org> committer: GitHub <noreply(a)github.com> date: 2020-08-21T14:34:06-07:00 summary: Update references from travis-ci.org to travis-ci.com (GH-21919) files: M README.rst diff --git a/README.rst b/README.rst index 96c9561e7c8eb..9a646a2ee5da2 100644 --- a/README.rst +++ b/README.rst @@ -1,9 +1,9 @@ This is Python version 3.10.0 alpha 0 ===================================== -.. image:: https://travis-ci.org/python/cpython.svg?branch=master +.. image:: https://travis-ci.com/python/cpython.svg?branch=master :alt: CPython build status on Travis CI - :target: https://travis-ci.org/python/cpython + :target: https://travis-ci.com/python/cpython .. image:: https://github.com/python/cpython/workflows/Tests/badge.svg :alt: CPython build status on GitHub Actions

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bpo-41572: Fix grammar in BaseTransport.close docstring (GH-21914) (GH-21930)
by Miss Islington (bot) Aug. 21, 2020

Aug. 21, 2020

https://github.com/python/cpython/commit/1370d9dd9fbd71e9d3c250c8e6644e0ee6… commit: 1370d9dd9fbd71e9d3c250c8e6644e0ee6534fca branch: 3.8 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2020-08-21T17:49:58+05:30 summary: bpo-41572: Fix grammar in BaseTransport.close docstring (GH-21914) (GH-21930) Fix grammar in BaseTransport.close docstring. https://bugs.python.org/issue41572 Signed-off-by: Cleber Rosa <crosa(a)redhat.com> (cherry picked from commit 1afb42cfa82dad0ddd726f59c6c5fcb3962314db) Co-authored-by: Cleber Rosa <cleber.gnu(a)gmail.com> files: M Lib/asyncio/transports.py diff --git a/Lib/asyncio/transports.py b/Lib/asyncio/transports.py index 513b1c024a4d6..45e155c94cad1 100644 --- a/Lib/asyncio/transports.py +++ b/Lib/asyncio/transports.py @@ -29,8 +29,8 @@ def close(self): Buffered data will be flushed asynchronously. No more data will be received. After all buffered data is flushed, the - protocol's connection_lost() method will (eventually) called - with None as its argument. + protocol's connection_lost() method will (eventually) be + called with None as its argument. """ raise NotImplementedError

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Doc: add a missing period (GH-21819)
by Mathieu Dupuy Aug. 20, 2020

Aug. 20, 2020

https://github.com/python/cpython/commit/12695f4c6d1167c0863098a586f3dfeb77… commit: 12695f4c6d1167c0863098a586f3dfeb77a7cb9a branch: master author: Mathieu Dupuy <deronnax(a)gmail.com> committer: GitHub <noreply(a)github.com> date: 2020-08-20T22:08:37+02:00 summary: Doc: add a missing period (GH-21819) files: M Doc/library/json.rst diff --git a/Doc/library/json.rst b/Doc/library/json.rst index b923c8e167052..e1a246aad6190 100644 --- a/Doc/library/json.rst +++ b/Doc/library/json.rst @@ -745,7 +745,7 @@ Command line options .. cmdoption:: --indent, --tab, --no-indent, --compact - Mutually exclusive options for whitespace control + Mutually exclusive options for whitespace control. .. versionadded:: 3.9

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