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* bpo-31849: Fix warning in pyhash.c (GH-6799)Miss Islington (bot)2018-06-041-2/+2
| | | | | (cherry picked from commit a8eb58546b37a7cd5f332f019bb07388f5212c2d) Co-authored-by: A. Jesse Jiryu Davis <jesse@emptysquare.net>
* [3.6] bpo-32591: fix abort in _PyErr_WarnUnawaitedCoroutine during shutdown ↵T. Wouters2018-05-311-0/+7
| | | | | | | | | | | | | | | | | | | | | | | (GH-5337) (#6536) When an unawaited coroutine is collected very late in shutdown -- like, during the final GC at the end of PyImport_Cleanup -- then it was triggering an interpreter abort, because we'd try to look up the "warnings" module and not only was it missing (we were prepared for that), but the entire module system was missing (which we were not prepared for). I've tried to fix this at the source, by making the utility function get_warnings_attr robust against this in general. Note that it already has the convention that it can return NULL without setting an error, which is how it signals that the attribute it was asked to fetch is missing, and that all callers already check for NULL returns. There's a similar check for being late in shutdown at the top of warn_explicit, which might be unnecessary after this fix, but I'm not sure so I'm going to leave it.. (cherry picked from commit dba976b8a28d6e5daa66ef31a6a7c694a9193f6a) Co-authored-by: Nathaniel J. Smith <njs@pobox.com>
* bpo-33677: Fix signatures of tp_clear handlers for AST and deque. (GH-7196) ↵Miss Islington (bot)2018-05-311-1/+2
| | | | | | | (GH-7269) (cherry picked from commit a5c42284e69fb309bdd17ee8c1c120d1be383012) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-28055: Fix unaligned accesses in siphash24(). (GH-6123)Miss Islington (bot)2018-05-131-13/+13
| | | | | | | | | | The hash implementation casts the input pointer to uint64_t* and directly reads from this, which may cause unaligned accesses. Use memcpy() instead so this code will not crash with SIGBUS on sparc. https://bugs.gentoo.org/show_bug.cgi?id=636400 (cherry picked from commit 1e2ec8a996daec65d8d5a3d43b66a9909c6d0653) Co-authored-by: Rolf Eike Beer <eike@sf-mail.de>
* [3.6] bpo-33330: Improve error handling in PyImport_Cleanup(). (GH-6564). ↵Serhiy Storchaka2018-04-261-8/+20
| | | | | | (GH-6604) (cherry picked from commit e9d9494d6b2a5e0c2d48d22c7f0d5e95504b4f7e)
* [3.6] bpo-29673: fix gdb scripts pystack and pystackv (GH-6126) (GH-6400)Miss Islington (bot)2018-04-061-1/+1
| | | | | (cherry picked from commit 3a9ccee0e5dbf7d67f5ab79f6095755969db117c) Co-authored-by: Marcel Plch <gmarcel.plch@gmail.com>
* bpo-33231: Fix potential leak in normalizestring() (GH-6386)Miss Islington (bot)2018-04-061-2/+0
| | | | | (cherry picked from commit 0c1c4563a65ac451021d927058e4f25013934eb2) Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
* bpo-29922: Improve error messages in 'async with' (GH-6352)Miss Islington (bot)2018-04-041-0/+25
| | | | | | when __aenter__() or __aexit__() return non-awaitable object. (cherry picked from commit a68f2f0578bbf812fa2264d0e0bb388340d6e230) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.6] bpo-33132: Fix reference counting issues in the compiler. (GH-6209). ↵Serhiy Storchaka2018-03-311-20/+11
| | | | | | (GH-6321) (cherry picked from commit a95d98607efe0c43475b354543e49bf8e240bc6f)
* [3.6] bpo-33041: Fixed jumping if the function contains an "async for" loop. ↵Serhiy Storchaka2018-03-231-26/+17
| | | | | | (GH-6154). (GH-6199) (cherry picked from commit b9744e924ca07ba7db977e5958b91cd8db565632)
* [3.6] bpo-33021: Release the GIL during fstat() calls (GH-6019) (GH-6160)Miss Islington (bot)2018-03-201-1/+6
| | | | | | | | | | | | | | | | fstat may block for long time if the file descriptor is on a non-responsive NFS server, hanging all threads. Most fstat() calls are handled by _Py_fstat(), releasing the GIL internally, but but _Py_fstat_noraise() does not release the GIL, and most calls release the GIL explicitly around it. This patch fixes last 2 calls to _Py_fstat_no_raise(), avoiding hangs when calling: - mmap.mmap() - os.urandom() - random.seed() (cherry picked from commit 4484f9dca9149da135bbae035f10a50d20d1cbbb) Co-authored-by: Nir Soffer <nirsof@gmail.com>
* [3.7] bpo-33041: Add missed error checks when compile "async for" (GH-6053) ↵Miss Islington (bot)2018-03-101-13/+7
| | | | | | | | | | | (GH-6060) and remove redundant code. (cherry picked from commit 67ee07795bcd84b679c000780212d4d81a1490a3) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> (cherry picked from commit 9e94c0d3c78d1bc582c865240ed9353fe9689b2a) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Revert "[3.6] bpo-32303 - Consistency fixes for namespace loaders (GH-5481) ↵Barry Warsaw2018-02-262-1434/+1433
| | | | | (#5504)" (#5911) This reverts commit a71397fb6603d0fe673acd7765c74699cd28fe7b.
* bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (GH-5739)Miss Islington (bot)2018-02-181-1/+2
| | | | | | | This function expects the destination buffer size to be given in wide characters, not bytes. (cherry picked from commit b3b4a9d3001f1fc7df8efcccdce081de54fa5eab) Co-authored-by: Alexey Izbyshev <izbyshev@users.noreply.github.com>
* bpo-32777: Fix _Py_set_inheritable async-safety in subprocess (GH-5560) ↵Miss Islington (bot)2018-02-061-3/+16
| | | | | | | | | | | | (GH-5563) Fix a rare but potential pre-exec child process deadlock in subprocess on POSIX systems when marking file descriptors inheritable on exec in the child process. This bug appears to have been introduced in 3.4 with the inheritable file descriptors support. This also changes Python/fileutils.c `set_inheritable` to use the "slow" two `fcntl` syscall path instead of the "fast" single `ioctl` syscall path when asked to be async signal safe (by way of being asked not to raise exceptions). `ioctl` is not a POSIX async-signal-safe approved function. ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html (cherry picked from commit c1e46e94de38a92f98736af9a42d89c3975a9919) Co-authored-by: Alexey Izbyshev <izbyshev@users.noreply.github.com>
* [3.6] bpo-32746: Fix multiple typos (GH-5144) (GH-5522)Terry Jan Reedy2018-02-041-2/+2
| | | | | | | | | Fix typos found by codespell in docs, docstrings, and comments. Fixes for the following files were in post-3.6 code and not backported: Lib/ctypes/_aix.py (new), Lib/test/test_concurrent_futures.py, Modules/_asynciomodule.c, Modules/_pickle.c, Objects/obmalloc.c. (cherry picked from commit c3d9508ff22ece9a96892b628dd5813e2fb0cd80)
* [3.6] bpo-32303 - Consistency fixes for namespace loaders (GH-5481) (#5504)Barry Warsaw2018-02-032-1433/+1434
| | | | | | | | | | * Make sure ``__spec__.loader`` matches ``__loader__`` for namespace packages. * Make sure ``__spec__.origin` matches ``__file__`` for namespace packages. https://bugs.python.org/issue32303 https://bugs.python.org/issue32305. (cherry picked from commit bbbcf8693b876daae4469765aa62f8924f39a7d2) Co-authored-by: Barry Warsaw <barry@python.org>
* bpo-32674: Improve the docstring for __import__ (GH-5339) (GH-5489)Miss Islington (bot)2018-02-021-3/+3
| | | | | | | | Clarify that the level argument is used to determine whether to perform absolute or relative imports: 0 is absolute, while a positive number is the number of parent directories to search relative to the current module. (cherry picked from commit 461d225b195eec5269f317323b41115516144c41) Co-authored-by: oldk <oldk1331@users.noreply.github.com>
* Fix typo in thread_nt.h code comment (GH-5211) (GH-5226)Miss Islington (bot)2018-01-181-1/+1
| | | | | The comment for PyThread_allocate_lock says "It has too be implemented ...". There was an extra "o" in ".. to be implemented.." (cherry picked from commit 6027802ca7fae118bce6afead51d01a174600d40)
* [3.6] bpo-32555: Fix locale encodings (#5193)Victor Stinner2018-01-151-94/+157
| | | | | | | | | | | | | | | | | On FreeBSD and Solaris, os.strerror() now always decode the byte string from the current locale encoding, rather than using ASCII/surrogateescape in some cases. Changes: * Add _Py_DecodeLocaleEx() and _Py_EncodeLocaleEx() which has an additional current_locale parameter. * PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() and * PyUnicode_EncodeLocale() now always use the current locale * encoding, instead of using Py_DecodeLocale()/Py_EncodeLocale(). * Document encoding in Py_DecodeLocale() and Py_EncodeLocale() documentations. * Add USE_FORCE_ASCII define to not define decode_ascii_surrogateescape() on Android.
* [3.6] bpo-31900: Fix localeconv() encoding for LC_NUMERIC (#4174) (#5192)Victor Stinner2018-01-152-11/+81
| | | | | | | | | | * Add _Py_GetLocaleconvNumeric() function: decode decimal_point and thousands_sep fields of localeconv() from the LC_NUMERIC encoding, rather than decoding from the LC_CTYPE encoding. * Modify locale.localeconv() and "n" formatter of str.format() (for int, float and complex to use _Py_GetLocaleconvNumeric() internally. (cherry picked from commit cb064fc2321ce8673fe365e9ef60445a27657f54)
* advance copyright years to 2018 (GH-5094) (#5104)Miss Islington (bot)2018-01-061-1/+1
| | | (cherry picked from commit 65f2a6dcc2bc28a8566b74c8e9273f982331ec48)
* bpo-32365: Fix a reference leak when compile __debug__. (GH-4916) (#4918)Miss Islington (bot)2017-12-181-4/+4
| | | | It was introduced in bpo-27169. (cherry picked from commit bd6ec4d79e8575df3d08f8a89ba721930032714c)
* compile.c: Remove unused varible (#4886)Victor Stinner2017-12-151-1/+0
| | | Fix a compiler warning.
* [3.6] bpo-30416: Protect the optimizer during constant folding. (#4865)Serhiy Storchaka2017-12-151-15/+131
| | | | | | | It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074.
* [3.6] bpo-27169: The __debug__ constant is now optimized out at compile ↵Serhiy Storchaka2017-12-151-30/+15
| | | | | | time. (GH-4880) (#4882) This fixes also bpo-22091.. (cherry picked from commit 3325a6780c81f1ea51190370b5454879c4862a37)
* bpo-32329: Fix sys.flags.hash_randomization (#4875)Victor Stinner2017-12-152-4/+3
| | | | sys.flags.hash_randomization is now properly set to 0 when hash randomization is turned off by PYTHONHASHSEED=0.
* [3.6] bpo-32176: Set CO_NOFREE in the code object constructor (GH-4684)Nick Coghlan2017-12-031-12/+0
| | | | | | | | | Previously, CO_NOFREE was set in the compiler, which meant it could end up being set incorrectly when code objects were created directly. Setting it in the constructor based on freevars and cellvars ensures it is always accurate, regardless of how the code object is defined. (cherry picked from commit 078f1814f1a4413a2a0fdb8cf4490ee0fc98ef34)
* Don't hide unexpected errors in PyErr_WarnExplicitObject(). (GH-4585) (#4662)Miss Islington (bot)2017-12-011-9/+10
| | | (cherry picked from commit a561862048555d555fa4850eaf832ae5474c7e1f)
* bpo-20891: Fix PyGILState_Ensure() (#4650) (#4655)Victor Stinner2017-11-301-6/+17
| | | | | | | | | | | | | | | When PyGILState_Ensure() is called in a non-Python thread before PyEval_InitThreads(), only call PyEval_InitThreads() after calling PyThreadState_New() to fix a crash. Add an unit test in test_embed. Enhance also embedded tests, backport from master: * Add test_pre_initialization_api() * Set PYTHONIOENCODING environment variable in test_forced_io_encoding() (cherry picked from commit b4d1e1f7c1af6ae33f0e371576c8bcafedb099db)
* bpo-32011: Revert "Issue GH-15480: Remove the deprecated and unused ↵Miss Islington (bot)2017-11-151-0/+21
| | | | | | | | TYPE_INT64 code from marshal." (GH-4381) (#4405) Simplify the reverted code. This reverts commit e9bbe8b87ba2874efba0474af5cc7d5941dbf742. (cherry picked from commit 00987f6230fcdbecc8d9ab4b2b9fae8f99a1a4a9)
* [3.6] bpo-31949: Fixed several issues in printing tracebacks ↵Serhiy Storchaka2017-11-151-51/+51
| | | | | | | | | | | | (PyTraceBack_Print()). (GH-4289) (#4406) * Setting sys.tracebacklimit to 0 or less now suppresses printing tracebacks. * Setting sys.tracebacklimit to None now causes using the default limit. * Setting sys.tracebacklimit to an integer larger than LONG_MAX now means using the limit LONG_MAX rather than the default limit. * Fixed integer overflows in the case of more than 2**31 traceback items on Windows. * Fixed output errors handling.. (cherry picked from commit edad8eebeee3c99e324a7f1ac5073167c2b0b54d)
* [3.6] bpo-30696: Fix the REPL looping endlessly when no memory (GH-4160). ↵xdegaye2017-11-121-18/+42
| | | | | (#4379) (cherry picked from commit e0582a37c8d1776a2fd4968e9216f3a05f780276)
* [3.6] bpo-30697: Fix PyErr_NormalizeException() when no memory (GH-2327). ↵xdegaye2017-10-261-16/+30
| | | | | (#4135) (cherry picked from commit 56d1f5ca32892c7643eb8cee49c40c1644f1abfe)
* [3.6] bpo-21720: Restore the Python 2.7 logic in handling a fromlist. ↵Serhiy Storchaka2017-10-261-1583/+1593
| | | | | | | | (GH-4118) (#4128) BytesWarning no longer emitted when the fromlist argument of __import__() or the __all__ attribute of the module contain bytes instances.. (cherry picked from commit 41c56940c6edf3ea169332a6b039b6c8796f0475)
* [3.6] bpo-30817: Fix PyErr_PrintEx() when no memory (GH-2526). (#4107)xdegaye2017-10-241-3/+9
| | | (cherry picked from commit 66caacf2f0d6213b049a3097556e28e30440b900)
* bpo-31825: Fixed OverflowError in the 'unicode-escape' codec (GH-4058) (#4059)Miss Islington (bot)2017-10-201-1/+1
| | | | and in codecs.escape_decode() when decode an escaped non-ascii byte. (cherry picked from commit 56cb465cc93dcb35aaf7266ca3dbe2dcff1fac5f)
* [3.6] bpo-31786: Make functions in the select module blocking when timeout ↵Pablo Galindo2017-10-181-8/+28
| | | | | is a small negative value. (GH-4003). (#4022) (cherry picked from commit 2c15b29aea5d6b9c61aa42d2c24a07ff1edb4b46)
* [3.6] bpo-28603: Fix formatting tracebacks for unhashable exceptions ↵Miss Islington (bot)2017-10-171-3/+18
| | | | | (GH-4014) (#4024) (cherry picked from commit de86073a761cd3539aaca6f886a1f55effc0d9da)
* [3.6] bpo-31780: Fix incorrect error message for ',x', ',b', ',o' specs ↵Miss Islington (bot)2017-10-151-2/+2
| | | | | | (GH-4002) (#4004) Patch by Pablo. (cherry picked from commit 28773ca7a7aa58a28e42a9eb0066acf71b5a8dc4)
* [3.6] bpo-31642: Restore blocking "from" import by setting None in ↵Serhiy Storchaka2017-10-081-238/+241
| | | | | sys.modules. (GH-3834). (#3923) (cherry picked from commit f07e2b64df6304a36fb5e29397d3c77a7ba17704)
* [3.6] remove tabs from getcompiler.c (GH-3892) (#3893)Miss Islington (bot)2017-10-051-1/+1
| | | (cherry picked from commit a8ed11742b4c2115597977ce04fa8e043d9e0792)
* [3.6] bpo-31592: Fix an assertion failure in Python parser in case of a bad ↵Miss Islington (bot)2017-09-301-12/+16
| | | | | unicodedata.normalize(). (GH-3767) (#3836) (cherry picked from commit 7dc46d8cf5854d9f4ce3271b29c21aea4872e8ad)
* [3.6] bpo-31285: Remove splitlines identifier from Python/_warnings.c ↵Miss Islington (bot)2017-09-291-3/+0
| | | | | | (GH-3803) (#3829) (forgot to remove it in GH-3219) (cherry picked from commit 8b4ff53c440dfcde40fbeb02c5e666c85190528f)
* [3.6] bpo-31588: Validate return value of __prepare__() methods (GH-3790)Miss Islington (bot)2017-09-271-0/+7
| | | | | | | | | | | Class execution requires that __prepare__() methods return a proper execution namespace. Check for that immediately after calling __prepare__(), rather than passing it through to the code execution machinery and potentially triggering SystemError (in debug builds) or a cryptic TypeError (in release builds). Patch by Oren Milman. (cherry picked from commit 5837d0418f47933b2e3c139bdee8a79c248a943c)
* [3.6] bpo-31285: Fix an assertion failure and a SystemError in ↵Serhiy Storchaka2017-09-271-3/+1
| | | | | warnings.warn_explicit. (GH-3219) (#3775) (cherry picked from commit 91fb0afe181986b48abfc6092dcca912b39de51d)
* [3.6] bpo-31492: Fix assertion failures in case of a module with a bad ↵Serhiy Storchaka2017-09-271-0/+4
| | | | | __name__ attribute. (GH-3620). (#3773) (cherry picked from commit 6db7033192cd537ca987a65971acb01206c3ba82)
* [3.6] bpo-31566: Fix an assertion failure in _warnings.warn() in case of a ↵Miss Islington (bot)2017-09-241-3/+4
| | | | | bad __name__ global. (GH-3717) (#3730) (cherry picked from commit 5d3e80021ab33360191eb0fbff34e0246c913884)
* [3.6] bpo-31315: Fix an assertion failure in imp.create_dynamic(), when ↵Miss Islington (bot)2017-09-191-0/+5
| | | | | spec.name is not a string. (GH-3257) (#3653) (cherry picked from commit 9974e1bcf3d0cec9b38b39b39b7ec8a1ebd9ef54)
* [3.6] bpo-31418: Fix an assertion failure in PyErr_WriteUnraisable() in case ↵Miss Islington (bot)2017-09-141-1/+1
| | | | | of an exception with a bad __module__ attribute. (GH-3539) (#3556) (cherry picked from commit f6e61df01536493f1280cd07639c7ff9bffb2cdc)
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