Dong-hee Na [Tue, 31 Dec 2019 04:15:36 +0000 (13:15 +0900)]
[3.8] bpo-38588: Fix possible crashes in dict and list when calling P… (GH-17764)
* [3.8] bpo-38588: Fix possible crashes in dict and list when calling PyObject_RichCompareBool (GH-17734)
Take strong references before calling PyObject_RichCompareBool to protect against the case
where the object dies during the call.
(cherry picked from commit 2d5bf568eaa5059402ccce9ba5a366986ba27c8a)
Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
* Update Objects/listobject.c
bpo-34118: memoryview, range, and tuple are classes (GH-17761)
Tag memoryview, range, and tuple as classes, the same as list, etcetera, in
the library manual built-in functions list.
(cherry picked from commit ee9ff05ec22ecd47dbffdd361967ccd55963dad2)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
bpo-39037: Fix lookup order of magic methods in with statement documentation (GH-17608)
* __enter__ is now looked up before __exit__ to give a more intuitive error message
* add pseudo-code equivalent for the with statement
* fix pseudo-code for the async with statement to use a finally clause
* use SUITE rather than BLOCK for consistency with the language grammar
[3.8] closes bpo-39135: Remove 'time.clock()' mention in docs. (GH-17713)
`time.clock()` was removed in Python 3.8, but it was still mentioned
in the documentation for when `time.get_clock_info()` is given the
argument `'clock'`. This commit removes that mention.
(cherry picked from commit 91874bb07161bb481b6f5ea18ffafe69cb8cac30)
Co-authored-by: Michael Wayne Goodman <goodman.m.w@gmail.com>
Minor C API documentation improvements. (GH-17697)
The added parentheses around the PyIter_Next assignment suppress the following warning which gcc throws without:
```
warning: using the result of an assignment as a condition without parentheses [-Wparentheses]
```
The other change is a typo fix
(cherry picked from commit 5c7ed7550ec2da16d7679e538fcd7c1a5631811f)
Co-authored-by: William Ayd <william.ayd@icloud.com>
[typo] fix dupe in datetime.fromisoformat docs (GH-17295)
Fixes a nearly word for word duplication of a sentence that appears
earlier in the caution section of datetime.datetime.fromisoformat in
Doc/Library/datetime.rst.
Fix test_ressources_gced_in_workers() of test_concurrent_futures:
explicitly stop the manager to prevent leaking a child process
running in the background after the test completes.
bpo-38811: Check for presence of os.link method in pathlib (GH-17225)
Commit 6b5b013bcc22 ("bpo-26978: Implement pathlib.Path.link_to (Using
os.link) (GH-12990)") introduced a new link_to method in pathlib. However,
this makes pathlib crash when the 'os' module is missing a 'link' method.
Fix this by checking for the presence of the 'link' method on pathlib
module import, and if it's not present, turn it into a runtime error like
those emitted when there is no lchmod() or symlink().
bpo-39031: Include elif keyword when producing lineno/col-offset info for if_stmt (GH-17582) (GH-17589)
When parsing an "elif" node, lineno and col_offset of the node now point to the "elif" keyword and not to its condition, making it consistent with the "if" node.
bpo-39006: Fix asyncio when the ssl module is missing (GH-17524)
Fix asyncio when the ssl module is missing: only check for
ssl.SSLSocket instance if the ssl module is available.
(cherry picked from commit 82b4950b5e92bec343a436b3f9c116400b66e1b9)
Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-38547: Fix test_pty if the process is the session leader (GH-17519)
Fix test_pty: if the process is the session leader, closing the
master file descriptor raises a SIGHUP signal: simply ignore SIGHUP
when running the tests.
(cherry picked from commit a1838ec2592e5082c75c77888f2a7a3eb21133e5)
Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-38669: patch.object now raises a helpful error (GH17510)
This means a clearer message is now shown when patch.object is called with two string arguments, rather than a class and a string argument.
(cherry picked from commit cd90a52983db34896a6335a572d55bdda274778f)
bpo-38708: email: Fix a potential IndexError when parsing Message-ID (GH-17504)
Fix a potential IndexError when passing an empty value to the message-id
parser. Instead, HeaderParseError should be raised.
(cherry picked from commit 3ae4ea1931361dd2743e464790e739d9285501bf)
bpo-38698: Add a new InvalidMessageID token to email header parser. (GH-17503)
This adds a new InvalidMessageID token to the email header parser which can be
used to represent invalid message-id headers in the parse tree.
(cherry picked from commit 68157da8b42b26408af5d157d2dba4fcf29c6320)
bpo-37931: Fix crash on OSX re-initializing os.environ (GH-15428)
On most platforms, the `environ` symbol is accessible everywhere.
In a dylib on OSX, it's not easily accessible, you need to find it with
_NSGetEnviron.
The code was caching the *value* of environ. But a setenv() can change the value,
leaving garbage at the old value. Fix: don't cache the value of environ, just
read it every time.
(cherry picked from commit 723f71abf7ab0a7be394f9f7b2daa9ecdf6fb1eb)
Steve Dower [Fri, 6 Dec 2019 17:40:39 +0000 (09:40 -0800)]
bpo-33125: Add support for building and releasing Windows ARM64 packages (GH-17480)
Note that the support is not actually enabled yet, and so we won't be publishing these packages. However, for those who want to build it themselves (even by reusing the Azure Pipelines definition), it's now relatively easy to enable.
bpo-36820: Break unnecessary cycle in socket.py, codeop.py and dyld.py (GH-13135)
Break cycle generated when saving an exception in socket.py, codeop.py and dyld.py as they keep alive not only the exception but user objects through the ``__traceback__`` attribute.
bpo-38698: Prevent UnboundLocalError to pop up in parse_message_id (GH-17277)
parse_message_id() was improperly using a token defined inside an exception
handler, which was raising `UnboundLocalError` on parsing an invalid value.
bpo-38965: Fix faulthandler._stack_overflow() on GCC 10 (GH-17467)
Use the "volatile" keyword to prevent tail call optimization
on any compiler, rather than relying on compiler specific pragma.
(cherry picked from commit 8b787964e0a647caa0558b7c29ae501470d727d9)
Co-authored-by: Victor Stinner <vstinner@python.org>
bpo-38634: Allow non-apple build to cope with libedit (GH-16986)
The readline module now detects if Python is linked to libedit at runtime
on all platforms. Previously, the check was only done on macOS.
If Python is used as a library by a binary linking to libedit, the linker
resolves the rl_initialize symbol required by the readline module against
libedit instead of libreadline, which leads to a segfault.
Take advantage of the existing supporting code to have readline module being
compatible with both situations.
(cherry picked from commit 7105319ada2e663659020cbe9fdf7ff38f421ab2)
Terry Jan Reedy [Wed, 27 Nov 2019 01:13:23 +0000 (20:13 -0500)]
[3.8] bpo-38862: IDLE Strip Trailing Whitespace fixes end newlines (GH-17366)
Extra newlines are removed at the end of non-shell files. If the file only has newlines after stripping other trailing whitespace, all are removed, as is done by patchcheck.py.
(cherry picked from commit 6bf644ec82f14cceae68278dc35bafb00875efae)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
bpo-38686: fix HTTP Digest handling in request.py (GH-17045)
* fix HTTP Digest handling in request.py
There is a bug triggered when server replies to a request with `WWW-Authenticate: Digest` where `qop="auth,auth-int"` rather than mere `qop="auth"`. Having both `auth` and `auth-int` is legitimate according to the `qop-options` rule in §3.2.1 of [[https://www.ietf.org/rfc/rfc2617.txt|RFC 2617]]:
> qop-options = "qop" "=" <"> 1GH-qop-value <">
> qop-value = "auth" | "auth-int" | token
> **qop-options**: [...] If present, it is a quoted string **of one or more** tokens indicating the "quality of protection" values supported by the server. The value `"auth"` indicates authentication; the value `"auth-int"` indicates authentication with integrity protection
This is description confirmed by the definition of the [//n//]`GH-`[//m//]//rule// extended-BNF pattern defined in §2.1 of [[https://www.ietf.org/rfc/rfc2616.txt|RFC 2616]] as 'a comma-separated list of //rule// with at least //n// and at most //m// items'.
When this reply is parsed by `get_authorization`, request.py only tests for identity with `'auth'`, failing to recognize it as one of the supported modes the server announced, and claims that `"qop 'auth,auth-int' is not supported"`.
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