From: doko@ubuntu.com <doko@ubuntu.com>
Date: Tue, 31 Jan 2017 12:53:39 +0000 (+0100)
Subject: merge 3.6
X-Git-Tag: v3.7.0a1~1451
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9ac4815240d27a89f0516999a708b048da14c7e5;p=python

merge 3.6
---

9ac4815240d27a89f0516999a708b048da14c7e5
diff --cc Misc/NEWS
index 82654602d0,b48cedeeee..7d20509402
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@@ -88,133 -47,11 +88,138 @@@ Core and Builtin
  - Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
    Improve speed of dict literal with constant keys up to 30%.
  
 +- Issue #28532: Show sys.version when -V option is supplied twice.
 +
 +- Issue #27100: The with-statement now checks for __enter__ before it
 +  checks for __exit__.  This gives less confusing error messages when
 +  both methods are missing. Patch by Jonathan Ellington.
 +
 +- Issue #28746: Fix the set_inheritable() file descriptor method on platforms
 +  that do not have the ioctl FIOCLEX and FIONCLEX commands.
 +
 +- Issue #26920: Fix not getting the locale's charset upon initializing the
 +  interpreter, on platforms that do not have langinfo.
 +
 +- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
 +  when decode astral characters.  Patch by Xiang Zhang.
 +
 +- Issue #28665: Improve speed of the STORE_DEREF opcode by 40%.
 +
 +- Issue #19398: Extra slash no longer added to sys.path components in case of
 +  empty compile-time PYTHONPATH components.
 +
 +- Issue #28621: Sped up converting int to float by reusing faster bits counting
 +  implementation.  Patch by Adrian Wielgosik.
 +
 +- Issue #28580: Optimize iterating split table values.
 +  Patch by Xiang Zhang.
 +
 +- Issue #28583: PyDict_SetDefault didn't combine split table when needed.
 +  Patch by Xiang Zhang.
 +
 +- Issue #28128: Deprecation warning for invalid str and byte escape
 +  sequences now prints better information about where the error
 +  occurs. Patch by Serhiy Storchaka and Eric Smith.
 +
 +- Issue #28509: dict.update() no longer allocate unnecessary large memory.
 +
 +- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
 +  build.
 +
 +- Issue #28517: Fixed of-by-one error in the peephole optimizer that caused
 +  keeping unreachable code.
 +
 +- Issue #28214: Improved exception reporting for problematic __set_name__
 +  attributes.
 +
 +- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
 +  loss in PyTraceBack_Here().
 +
 +- Issue #28183: Optimize and cleanup dict iteration.
 +
 +- Issue #26081: Added C implementation of asyncio.Future.
 +  Original patch by Yury Selivanov.
 +
 +- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
 +  Patch by Xiang Zhang.
 +
 +- Issue #28376: The type of long range iterator is now registered as Iterator.
 +  Patch by Oren Milman.
 +
 +- Issue #28376: Creating instances of range_iterator by calling range_iterator
 +  type now is disallowed.  Calling iter() on range instance is the only way.
 +  Patch by Oren Milman.
 +
 +- Issue #26906: Resolving special methods of uninitialized type now causes
 +  implicit initialization of the type instead of a fail.
 +
 +- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
 +  Original patch by Niklas Koep.
 +
 +- Issue #24098: Fixed possible crash when AST is changed in process of
 +  compiling it.
 +
 +- Issue #28201: Dict reduces possibility of 2nd conflict in hash table when
 +  hashes have same lower bits.
 +
 +- Issue #28350: String constants with null character no longer interned.
 +
 +- Issue #26617: Fix crash when GC runs during weakref callbacks.
 +
 +- Issue #27942: String constants now interned recursively in tuples and frozensets.
 +
 +- Issue #28289: ImportError.__init__ now resets not specified attributes.
 +
 +- Issue #21578: Fixed misleading error message when ImportError called with
 +  invalid keyword args.
 +
 +- Issue #28203: Fix incorrect type in complex(1.0, {2:3}) error message.
 +  Patch by Soumya Sharma.
 +
 +- Issue #28086: Single var-positional argument of tuple subtype was passed
 +  unscathed to the C-defined function.  Now it is converted to exact tuple.
 +
 +- Issue #28214: Now __set_name__ is looked up on the class instead of the
 +  instance.
 +
 +- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
 +  syscall fails with EPERM, for example when blocked by SECCOMP.
 +
 +- Issue #28192: Don't import readline in isolated mode.
 +
 +- Issue #27441: Remove some redundant assignments to ob_size in longobject.c.
 +  Thanks Oren Milman.
 +
 +- Issue #27222: Clean up redundant code in long_rshift function. Thanks
 +  Oren Milman.
 +
 +- Upgrade internal unicode databases to Unicode version 9.0.0.
 +
 +- Issue #28131: Fix a regression in zipimport's compile_source().  zipimport
 +  should use the same optimization level as the interpreter.
 +
 +- Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly
 +  optimize memcpy().
 +
 +- Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
 +  "pending key" (Not yet inserted in split-table). Patch by Xiang Zhang.
 +
 +- Issue #26182: Raise DeprecationWarning when async and await keywords are
 +  used as variable/attribute/class/function name.
 +
 +- Issue #26182: Fix a refleak in code that raises DeprecationWarning.
 +
 +- Issue #28721: Fix asynchronous generators aclose() and athrow() to
 +  handle StopAsyncIteration propagation properly.
 +
 +- Issue #26110: Speed-up method calls: add LOAD_METHOD and CALL_METHOD
 +  opcodes.
 +
+ Extension Modules
+ -----------------
+ 
+ - Issue #29169: Update zlib to 1.2.10.
+ 
  Library
  -------