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* Empty blurb file for 2.7.17.v2.7.17Benjamin Peterson2019-10-191-0/+8
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* Bump version to 2.7.17 final.Benjamin Peterson2019-10-191-3/+3
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* Update doc switcher list for 3.8.0 (GH-16809)Miss Islington (bot)2019-10-191-1/+1
| | | | | (cherry picked from commit 3f36043db22361500f52634f2b8de49dde0e7da9) Co-authored-by: Ned Deily <nad@python.org>
* Update build docs for macOS (GH-16844)Ned Deily2019-10-193-90/+85
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* bpo-32758: Warn that ast.parse() and ast.literal_eval() can segfault the ↵Ashley Whetter2019-10-181-0/+10
| | | | | | | interpreter (GH-5960) (GH-16565) (cherry picked from commit 7a7f100eb352d08938ee0f5ba59c18f56dc4a7b5) Co-authored-by: Brett Cannon <brettcannon@users.noreply.github.com>
* bpo-32758: Warn that compile() can crash when compiling to an AST object ↵Ashley Whetter2019-10-181-0/+6
| | | | | | | (GH-6043) (GH-16566) (cherry picked from commit f7a6ff6fcab32a53f262ba3f8a072c27afc330d7) Co-authored-by: Brett Cannon <brettcannon@users.noreply.github.com>
* Doc: 3.8 is now stable. (GH-16790) (GH-16794)Miss Islington (bot)2019-10-141-1/+1
| | | | | (cherry picked from commit 4504b4500d2a1a80c26b27b0bfff8b624d5ce06c) Co-authored-by: Julien Palard <julien@palard.fr>
* [2.7] Update macOS installer display files for 2.7.17 (GH-16768)Ned Deily2019-10-144-163/+83
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* [2.7] bpo-31036: Allow sphinx and blurb to be found automatically (GH-16638)Benjamin Peterson2019-10-082-7/+14
| | | | | | Rather than requiring the path to blurb and/or sphinx-build to be specified to the make rule, enhance the Doc/Makefile to look for each first in a virtual environment created by make venv and, if not found, look on the normal process PATH. This allows the Doc/Makefile to take advantage of an installed spinx-build or blurb and, thus, do the right thing most of the time. Also, make the directory for the venv be configurable and document the `make venv` target.. (cherry picked from commit 590665c399fc4aa3c4a9f8e7104d43a02e9f3a0c) Co-authored-by: Ned Deily <nad@python.org>
* bpo-35036: Remove empty log line in the suspicious.py tool (GH-10024)Miss Islington (bot)2019-10-081-1/+0
| | | | | | | Previous to commit ee171a2 the logline was working because of self.info() (now deprecated) defaults to an empty message. (cherry picked from commit c3f52a59ce8406d9e59253ad4621e4749abdaeef) Co-authored-by: Xtreak <tirkarthi@users.noreply.github.com>
* bpo-31589 : Build PDF using xelatex for better UTF8 support. (GH-3940)Miss Islington (bot)2019-10-081-3/+2
| | | | | | Also addresses doc build failures documented in bpo-32200. (cherry picked from commit 7324b5ce8e7c031a0a3832a6a8d7c639111ae0ff) Co-authored-by: Julien Palard <julien@palard.fr>
* [2.7] Stop using deprecated logging API in Sphinx suspicious checker (GH-16635)Benjamin Peterson2019-10-083-7/+10
| | | | | (cherry picked from commit ee171a26c1169abfae534b08acc0d95c6e45a22a) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* Update macOS installer displays for 2.7.17rc1 (#16634)v2.7.17rc1Ned Deily2019-10-082-3/+16
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* Bump version to 2.7.17rc1.Benjamin Peterson2019-10-082-5/+5
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* Roll up news for 2.7.17rc1.Benjamin Peterson2019-10-0880-146/+785
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* [2.7] bpo-38216, bpo-36274: Allow subclasses to separately override ↵Jason R. Coombs2019-10-083-11/+40
| | | | | | | | | | | | | validation and encoding behavior (GH-16476) Backporting this change, I observe a couple of things: 1. The _encode_request call is no longer meaningful because the request construction will implicitly encode the request using the default encoding when the format string is used (request = '%s %s %s'...). In order to keep the code as consistent as possible, I decided to include the call as a pass-through. I'd be just as happy to remove it entirely, but I'll leave that up to the reviewer to decide. It's okay that this functionality is disabled on Python 2 because this functionality was mainly around bpo-36274, which was mainly a concern with the transition to Python 3. 2. Because _encode_request is no longer meaningful, neither is the test for it, so I've removed that test. Therefore, the meaningful part of this test is that for bpo-38216, adding a (underscore-protected) hook to customize/disable validation. (cherry picked from commit 7774d7831e8809795c64ce27f7df52674581d298) Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
* [2.7] bpo-37664: Update ensurepip bundled wheels, again (GH-16633)Benjamin Peterson2019-10-084-2/+3
| | | | | (cherry picked from commit 10c452b894d95fed06056fe11e8fe8e1a2a60040) Co-authored-by: Pradyun Gedam <pradyunsg@gmail.com>
* bpo-38106: Fix race in pthread PyThread_release_lock() (GH-16047)Kirill Smelkov2019-10-032-6/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix race in PyThread_release_lock that was leading to memory corruption and deadlocks. The fix applies to POSIX systems where Python locks are implemented with mutex and condition variable because POSIX semaphores are either not provided, or are known to be broken. One particular example of such system is macOS. On Darwin, even though this is considered as POSIX, Python uses mutex+condition variable to implement its lock, and, as of 2019-08-28, Py2.7 implementation, even though similar issue was fixed for Py3 in 2012, contains synchronization bug: the condition is signalled after mutex unlock while the correct protocol is to signal condition from under mutex: https://github.com/python/cpython/blob/v2.7.16-127-g0229b56d8c0/Python/thread_pthread.h#L486-L506 https://github.com/python/cpython/commit/187aa545165d (py3 fix) PyPy has the same bug for both pypy2 and pypy3: https://bitbucket.org/pypy/pypy/src/578667b3fef9/rpython/translator/c/src/thread_pthread.c#lines-443:465 https://bitbucket.org/pypy/pypy/src/5b42890d48c3/rpython/translator/c/src/thread_pthread.c#lines-443:465 Signalling condition outside of corresponding mutex is considered OK by POSIX, but in Python context it can lead to at least memory corruption if we consider the whole lifetime of python level lock. For example the following logical scenario: T1 T2 sema = Lock() sema.acquire() sema.release() sema.acquire() free(sema) ... can translate to the next C-level calls: T1 T2 # sema = Lock() sema = malloc(...) sema.locked = 0 pthread_mutex_init(&sema.mut) pthread_cond_init (&sema.lock_released) # sema.acquire() pthread_mutex_lock(&sema.mut) # sees sema.locked == 0 sema.locked = 1 pthread_mutex_unlock(&sema.mut) # sema.release() pthread_mutex_lock(&sema.mut) sema.locked = 0 pthread_mutex_unlock(&sema.mut) # OS scheduler gets in and relinquishes control from T2 # to another process ... # second sema.acquire() pthread_mutex_lock(&sema.mut) # sees sema.locked == 0 sema.locked = 1 pthread_mutex_unlock(&sema.mut) # free(sema) pthread_mutex_destroy(&sema.mut) pthread_cond_destroy (&sema.lock_released) free(sema) # ... e.g. malloc() which returns memory where sema was ... # OS scheduler returns control to T2 # sema.release() continues # # BUT sema was already freed and writing to anywhere # inside sema block CORRUPTS MEMORY. In particular if # _another_ python-level lock was allocated where sema # block was, writing into the memory can have effect on # further synchronization correctness and in particular # lead to deadlock on lock that was next allocated. pthread_cond_signal(&sema.lock_released) Note that T2.pthread_cond_signal(&sema.lock_released) CORRUPTS MEMORY as it is called when sema memory was already freed and is potentially reallocated for another object. The fix is to move pthread_cond_signal to be done under corresponding mutex: # sema.release() pthread_mutex_lock(&sema.mut) sema.locked = 0 pthread_cond_signal(&sema.lock_released) pthread_mutex_unlock(&sema.mut) To do so this patch cherry-picks thread_pthread.h part of the following 3.2 commit: commit 187aa545165d8d5eac222ecce29c8a77e0282dd4 Author: Kristján Valur Jónsson <kristjan@ccpgames.com> Date: Tue Jun 5 22:17:42 2012 +0000 Signal condition variables with the mutex held. Destroy condition variables before their mutexes. Python/ceval_gil.h | 9 +++++---- Python/thread_pthread.h | 15 +++++++++------ 2 files changed, 14 insertions(+), 10 deletions(-) (ceval_gil.h is Python3 specific and does not apply to Python2.7) The bug was there since 1994 - since at least [1]. It was discussed in 2001 with original code author[2], but the code was still considered to be race-free. In 2010 the place where pthread_cond_signal should be - before or after pthread_mutex_unlock - was discussed with the rationale to avoid threads bouncing[3,4,5], and in 2012 pthread_cond_signal was moved to be called from under mutex, but only for CPython3[6,7]. In 2019 the bug was (re-)discovered while testing Pygolang[8] on macOS with CPython2 and PyPy2 and PyPy3. [1] https://github.com/python/cpython/commit/2c8cb9f3d240 [2] https://bugs.python.org/issue433625 [3] https://bugs.python.org/issue8299#msg103224 [4] https://bugs.python.org/issue8410#msg103313 [5] https://bugs.python.org/issue8411#msg113301 [6] https://bugs.python.org/issue15038#msg163187 [7] https://github.com/python/cpython/commit/187aa545165d [8] https://pypi.org/project/pygolang (cherry picked from commit 187aa545165d8d5eac222ecce29c8a77e0282dd4) Co-Authored-By: Kristján Valur Jónsson <kristjan@ccpgames.com>
* [2.7] bpo-38338, test.pythoninfo: add more ssl infos (GH-16543)Victor Stinner2019-10-021-0/+60
| | | | | | | test.pythoninfo now logs environment variables used by OpenSSL and Python ssl modules, and logs attributes of 3 SSL contexts (SSLContext, default HTTPS context, stdlib context). (cherry picked from commit 1df1c2f8df53d005ff47af81aa02c58752b84e20)
* [2.7] bpo-38243: Escape the server title of DocXMLRPCServer (GH-16447)Dong-hee Na2019-10-013-1/+35
| | | | Escape the server title of DocXMLRPCServer.DocXMLRPCServer when rendering the document page as HTML.
* [2.7] bpo-38301: In Solaris family, we must be sure to use '-D_REENTRANT' ↵Jesús Cea2019-09-283-0/+8
| | | | | | | (GH-16446). (#16454) (cherry picked from commit 52d1b86bde2b772a76919c76991c326384954bf1) Co-authored-by: Jesús Cea <jcea@jcea.es>
* bpo-38174 follow up: Remove loadlibrary.c from VS9.0. (GH-16411)Benjamin Peterson2019-09-262-8/+0
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* [2.7] closes bpo-38174: Update vendored expat library to 2.2.8. (GH-16408)Benjamin Peterson2019-09-2624-4844/+3972
| | | | | | Fixes CVE-2019-15903. See full changelog at https://github.com/libexpat/libexpat/blob/R_2_2_8/expat/Changes.. (cherry picked from commit 52b940803860e37bcc3f6096b2d24e7c20a0e807) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* closes bpo-38253: Fix typo of Py_SET_ERANGE_IF_OVERFLOW in pyport.h. (GH-16230)Miss Islington (bot)2019-09-241-1/+1
| | | | | (cherry picked from commit 4346bad3321699d49a45e3446270b57726ab5c8f) Co-authored-by: Hai Shi <shihai1992@gmail.com>
* bpo-37904: Edition on python tutorial - section 4 (GH-16169) (GH-16236)Miss Islington (bot)2019-09-181-2/+2
| | | | | | | | | | A little change on first paragraph of python tutorial to be more clearly https://bugs.python.org/issue37904 Automerge-Triggered-By: @ericvsmith (cherry picked from commit b57481318e3e3cbacd398b898f9849ec8f2d7eec) Co-authored-by: Diego Alberto Barriga Martínez <diegobarriga@protonmail.com>
* [2.7] bpo-38175: Fix a memory leak in comparison of sqlite3.Row objects. ↵Serhiy Storchaka2019-09-173-12/+20
| | | | | | (GH-16155). (GH-16215) (cherry picked from commit 8debfa50407107ff2329d01081cdc12d359f1d12)
* bpo-33936: Don't call obsolete init methods with OpenSSL 1.1.0+ (GH-16140)Miss Islington (bot)2019-09-162-1/+3
| | | | | | | | ``OPENSSL_VERSION_1_1`` was never defined in ``_hashopenssl.c``. https://bugs.python.org/issue33936 (cherry picked from commit 724f1a57231f9287c37255adf0e4364d12cf693d) Co-authored-by: Christian Heimes <christian@python.org>
* bpo-38117: Updates bundled OpenSSL to 1.0.2t (GH-16178)Steve Dower2019-09-164-3/+8
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* [2.7] bpo-38168: Fix a possbile refleak in setint() of mmapmodule.c ↵Xiang Zhang2019-09-161-1/+2
| | | | | | | | | (GH-16136) (GH-16176) (cherry picked from commit 56a4514) Co-authored-by: Hai Shi shihai1992@gmail.com https://bugs.python.org/issue38168
* bpo-38117: Updated OpenSSL to 1.0.2t in macOS installer for 2.7.x. (GH-16171)Ned Deily2019-09-162-3/+4
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* [2.7] bpo-34155: Dont parse domains containing @ (GH-13079) (GH-16006)Roberto C. Sánchez2019-09-143-1/+25
| | | | | | | | | | | | | This change skips parsing of email addresses where domains include a "@" character, which can be maliciously used since the local part is returned as a complete address. (cherry picked from commit 8cb65d1381b027f0b09ee36bfed7f35bb4dec9a9) Excludes changes to Lib/email/_header_value_parser.py, which did not exist in 2.7. Co-authored-by: jpic <jpic@users.noreply.github.com> https://bugs.python.org/issue34155
* [2.7] bpo-35264: Modules/_ssl.c: fix build with OpenSSL 1.1.0 (GH-10570)Alexandru Ardelean2019-09-112-2/+3
| | | | | | | | | | | | | | | Fixes a build error with OpenSSL 1.1.0. There is already code in the `_ssl.c` that handles all the weird cases of the NPN config macros (with various OpenSSL & LibreSSL versions). That code will provide a HAVE_NPN variable, which should be used in the rest of the code to check whether (or what) to compile regarding NPN. This change adds HAVE_NPN in the remaining places where it should have been placed. Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com> https://bugs.python.org/issue35264
* closes bpo-36712: Fix duplicate method in ↵Zackery Spytz2019-09-111-5/+0
| | | | Lib/email/test/test_email_renamed.py. (GH-14800)
* closes bpo-36711: Remove duplicate method in Lib/email/feedparser.py. (GH-14801)Zackery Spytz2019-09-111-20/+0
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* bpo-37445: Include FORMAT_MESSAGE_IGNORE_INSERTS in FormatMessageW() calls ↵Zackery Spytz2019-09-113-2/+7
| | | | | | | | (GH-15822) If FormatMessageW() is passed the FORMAT_MESSAGE_FROM_SYSTEM flag without FORMAT_MESSAGE_IGNORE_INSERTS, it will fail if there are insert sequences in the message definition. (cherry picked from commit a656365)
* [2.7] bpo-36502: Update link to UAX GH-44, the Unicode doc on the UCD. ↵Benjamin Peterson2019-09-091-1/+1
| | | | | | | | | | | | (GH-15808) The link we have points to the version from Unicode 6.0.0, dated 2010. There have been numerous updates to it since then: https://www.unicode.org/reports/tr44/GH-Modifications Change the link to one that points to the current version. Also, use HTTPS.. (cherry picked from commit 64c6ac74e254d31f93fcc74bf02b3daa7d3e3f25) Co-authored-by: Greg Price <gnprice@gmail.com>
* [2.7] bpo-34410: Fix a crash in the tee iterator when re-enter it. ↵Serhiy Storchaka2019-09-094-0/+56
| | | | | | | (GH-15625) (GH-15740) RuntimeError is now raised in this case. (cherry picked from commit 526a01467b3277f9fcf7f91e66c23321caa1245d)
* closes bpo-37965: Fix compiler warning of distutils CCompiler.test_function. ↵Miss Islington (bot)2019-08-282-1/+3
| | | | | | | | | | | | (GH-15560) https://bugs.python.org/issue37965 https://bugs.python.org/issue37965 Automerge-Triggered-By: @benjaminp (cherry picked from commit 55aabee07501e1468082b3237620e4ecd75c5da6) Co-authored-by: Anonymous Maarten <madebr@users.noreply.github.com>
* bpo-34521: Fix FD transfer in multiprocessing on FreeBSD (GH-15422)Victor Stinner2019-08-232-1/+3
| | | | Fix file descriptors transfer in multiprocessing on FreeBSD: use CMSG_SPACE() rather than CMSG_LEN(); see RFC 3542.
* test_multiprocessing removes temporary files (GH-15421)Victor Stinner2019-08-231-0/+2
| | | (cherry picked from commit d0b10a64351069aa9246d40cb8bd207cc9209cee)
* bpo-37823: Fix open() link in telnetlib doc (GH-15281)Miss Islington (bot)2019-08-211-1/+1
| | | | | | Fixed wrong link to Telnet.open() method in telnetlib documentation. (cherry picked from commit e0b6117e2723327d6741d0aa599408514add5b30) Co-authored-by: Michael Anckaert <michael.anckaert@sinax.be>
* bpo-35518: Skip test that relies on a deceased network service. (GH-15349)Miss Islington (bot)2019-08-211-0/+1
| | | | | | | | | | | | | | | | If this service had thoroughly vanished, we could just ignore the test until someone gets around to either recreating such a service or redesigning the test to somehow work locally. The `support.transient_internet` mechanism catches the failure to resolve the domain name, and skips the test. But in fact the domain snakebite.net does still exist, as do its nameservers -- and they can be quite slow to reply. As a result this test can easily take 20-30s before it gets auto-skipped. So, skip the test explicitly up front. (cherry picked from commit 5b95a1507e349da5adae6d2ab57deac3bdd12f15) Co-authored-by: Greg Price <gnprice@gmail.com>
* [2.7] bpo-37730: Fix usage of NotImplemented instead of NotImplementedError ↵David H2019-08-052-6/+6
| | | | | | | | in docs. (GH-15062). (GH-15133) (cherry picked from commit ed5e8e06cbf766e89d6c58a882ee024abb5b2ed7) Co-authored-by: David H <dheiberg@mozilla.com>
* closes bpo-37675: Use pkgutil.iter_modules to find fixers in a package ↵Miss Islington (bot)2019-07-242-4/+5
| | | | | | | rather than listdir. (14942) (cherry picked from commit 93e8aa62cfd0a61efed4a61a2ffc2283ae986ef2) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-34369: make kqueue.control() docs better reflect that timeout is ↵Miss Islington (bot)2019-07-111-3/+4
| | | | | | | positional-only (GH-9499) (cherry picked from commit 79042ac4348ccc09344014f20dd49401579f8795) Co-authored-by: Tal Einat <taleinat@gmail.com>
* Document default parameter of .seek() in the signature. (GH-14691)Miss Islington (bot)2019-07-111-2/+2
| | | | | (cherry picked from commit 2a3d4d9c53dd4831c3ecf56bc7c4a289c33030d6) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-37513: Change ValueError to TypeError in an example in ctypes doc (GH-14615)Miss Islington (bot)2019-07-071-1/+1
| | | | | (cherry picked from commit f6cdd3ff687ebbf8209d793a18a042ea495c4aeb) Co-authored-by: Hai Shi <shihai1992@gmail.com>
* bpo-37487: Fix PyList_GetItem index description. (GH-14623) (GH-14626)Miss Islington (bot)2019-07-062-3/+4
| | | | | | 0 is a legal index. (cherry picked from commit f8709e804d16ec5d44b1d2f00d59a0f78df7b792) Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* bpo-37149: Replace dead link for online Tkinter reference (GH-14616)Miss Islington (bot)2019-07-062-2/+4
| | | | | | Also fix a name misspelling. (cherry picked from commit 45bc61b97178b27ae05bd3eb95481bf0325795bb) Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* Put pyexpatns.h include back. bpo-37437 (GH-14539)Miss Islington (bot)2019-07-021-0/+4
| | | | | (cherry picked from commit 2cd07920bb7d2d319999394092190f37935dc421) Co-authored-by: Benjamin Peterson <benjamin@python.org>
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