bpo-30004: Fix the code example of using group in Regex Howto Docs (GH-4443) (GH-4555)
The provided code example was supposed to find repeated words, however it returned false results.
(cherry picked from commit 610e5afdcbe3eca906ef32f4e0364e20e1b1ad23)
Improve the String tutorial docs (GH-4541) (GH-4546)
The paragraph that contains example of string literal concatenation was placed
after the section about concatenation using the '+' sign.
Moved the paragraph to the appropriate section.
(cherry picked from commit 78a5722ae950b80a4b3d13377957f3932195aef3)
Extending Python Doc minor updates (GH-4518) (GH-4536)
Move footnote markers to be closer to the related terminology:
before the end of the sentence, instead of after.
(cherry picked from commit cdfe910e746e1d0fc43429b8cc3384a65a19b358)
_PyObject_DebugReallocApi() now calls Py_FatalError() if realloc()
fails to shrink a memory block.
Call Py_FatalError() because _PyObject_DebugReallocApi() erased freed
bytes *before* realloc(), expecting that realloc() *cannot* fail to
shrink a memory block.
* Rename support._match_test() to support.match_test(): make it
public
* Remove support.match_tests global variable. It is replaced with a
new support.set_match_tests() function, so match_test() doesn't
have to check each time if patterns were modified.
* Rewrite match_test(): use different code paths depending on the
kind of patterns for best performances.
Gregory P. Smith [Sat, 11 Nov 2017 22:48:49 +0000 (14:48 -0800)]
[2.7] bpo-21149: Workaround a GC finalization bug in logging. (#4368)
* Work around a GC process finalization bug.
The logging RLock instances may exist but the threading.RLock class
itself has already been emptied causing a
Exception TypeError: "'NoneType' object is not callable" in <function _removeHandlerRef ..."
to be printed to stderr on process termination.
This catches that exception and ignores it because there is absolutely
nothing we can or should do about it from the context of a weakref
handler called from the gc context.
bpo-31910: test_create_connection() now catchs also EADDRNOTAVAIL to
fix the test on Travis CI.
(cherry picked from commit 280c22a82a6756e9caffef031c564fd98f1b50e7)
bpo-25720: Fix the method for checking pad state of curses WINDOW (GH-4164) (#4213)
Modify the code to use ncurses is_pad() instead of checking WINDOW
_flags field. If your platform does not provide the is_pad(), the
existing way that checks the field will be enabled.
Note: This change does not drop support for platforms where do not
have both WINDOW _flags field and is_pad().
(cherry picked from commit 8bc7d63560024681dce9f40445f2877b2987e92c)
* Fixed the layout of the kqueue_event structure on OpenBSD and NetBSD.
* Fixed the comparison of the kqueue_event objects..
(cherry picked from commit b9052a0f91d2e83bbc27267247a5920c82b242a3)
test_curses now saves/restores signals. On FreeBSD, the curses module
sets handlers of some signals, but don't restore old handlers when
the module is deinitialized.
GCC says:
../cpython/Python/marshal.c: In function ‘PyMarshal_WriteLongToFile’:
../cpython/Python/marshal.c:70:35: warning: ‘wf.ptr’ may be used uninitialized in this function [-Wmaybe-uninitialized]
else if ((p)->ptr != (p)->end) *(p)->ptr++ = (c); \
^~
../cpython/Python/marshal.c:70:47: warning: ‘wf.end’ may be used uninitialized in this function [-Wmaybe-uninitialized]
else if ((p)->ptr != (p)->end) *(p)->ptr++ = (c); \
^~
../cpython/Python/marshal.c:77:10: warning: ‘wf.str’ may be used uninitialized in this function [-Wmaybe-uninitialized]
if (p->str == NULL)
~^~~~~
This isn't a real problem because if the file pointer is not NULL, the
string-related fields are never touched. But, it doesn't hurt to set the unused
fields to NULL.
Serhiy Storchaka [Tue, 24 Oct 2017 07:59:17 +0000 (10:59 +0300)]
[2.7] bpo-31667: Fix gettext related links. (GH-3860) (#4100)
* Fix incorrect links.
* Remove redundant links.
* Add signatures and index entries for gettext related
functions in the locale module.
(cherry picked from commit c02a1f4ad8fcdbffad2911c5a31c71a17a89d713)
Update TestCase.assertAlmostEqual and assertNotAlmostEqual docstrings. (GH-3998) (GH-4040)
The word "difference" from missing the sentence.
This clarifies that it compares the difference between the two objects.
(cherry picked from commit 032a6480e360427d4f964e31643604fad804ea14)
[2.7] bpo-31334: Fix timeout in select.poll.poll() (GH-3277) (#4034)
Always pass -1, or INFTIM where defined, to the poll() system call when
a negative timeout is passed to the poll.poll([timeout]) method in the
select module. Various OSes throw an error with arbitrary negative
values..
(cherry picked from commit 6cfa927ceb931ad968b5b03e4a2bffb64a8a0604)
Victor Stinner [Tue, 17 Oct 2017 09:25:23 +0000 (02:25 -0700)]
[2.7] bpo-31692: Add PYTHONSHOWALLOCCOUNT env var (GH-3927)
bpo-31692, bpo-19527:
* Add a new PYTHONSHOWALLOCCOUNT environment variable, similar to
the Python 3 "-X showalloccount" option
* When Python is compiled with COUNT_ALLOCS, the new
PYTHONSHOWALLOCCOUNT environment variable now has to be set to dump
allocation counts into stderr on shutdown. Moreover, allocations
statistics are now dumped into stderr rather than stdout.
* Add @test.support.requires_type_collecting decorator: skip test if
COUNT_ALLOCS is defined
* Fix tests for COUNT_ALLOCS: decorate some methods with
@requires_type_collecting
* test_sys.test_objecttypes(): update object type when COUNT_ALLOCS
is defined
[2.7] bpo-31285: Don't raise a SystemError in warnings.warn_explicit() in case __loader__.get_source() has a bad splitlines() method. (GH-3219) (#3823)
Zachary Ware [Fri, 22 Sep 2017 18:41:10 +0000 (13:41 -0500)]
[2.7] bpo-31423: Fix building the PDF documentation (GH-3693) (GH-3700)
Use prefixed macro names for the `authoraddress` function, add T2A to the font encoding in LaTeX sources to support Cyrillic characters in the PDF documentation, and replace the deprecated `font_size` config option with `pointsize`.
(cherry picked from commit da9b4cfb488119f2493a762fcb1d85c58494f51d)
R. David Murray [Sun, 10 Sep 2017 05:55:07 +0000 (01:55 -0400)]
[2.7] Clarify nature of parse_args 'args' argument. (GH-3292) (GH-3328)
Patch by Paul.j3. Includes an unrelated but useful addition to the
optparse porting section.
(cherry picked from commit 0c7983e4adf9604d0ac93757a45d14be06c27696)
TLS 1.3 introduces a new, distinct set of cipher suites. The TLS 1.3
cipher suites don't overlap with cipher suites from TLS 1.2 and earlier.
Since Python sets its own set of permitted ciphers, TLS 1.3 handshake
will fail as soon as OpenSSL 1.1.1 is released. Let's enable the common
AES-GCM and ChaCha20 suites.
Additionally the flag OP_NO_TLSv1_3 is added. It defaults to 0 (no op) with
OpenSSL prior to 1.1.1. This allows applications to opt-out from TLS 1.3
now.
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