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Author SHA1 Message Date
Nick Coghlan 19d246745d Issue #23722: improve __classcell__ compatibility 
Handling zero-argument super() in __init_subclass__ and
__set_name__ involved moving __class__ initialisation to
type.__new__. This requires cooperation from custom
metaclasses to ensure that the new __classcell__ entry
is passed along appropriately.

The initial implementation of that change resulted in abruptly
broken zero-argument super() support in metaclasses that didn't
adhere to the new requirements (such as Django's metaclass for
Model definitions).

The updated approach adopted here instead emits a deprecation
warning for those cases, and makes them work the same way they
did in Python 3.5.

This patch also improves the related class machinery documentation
to cover these details and to include more reader-friendly
cross-references and index entries.
 2016-12-05 16:47:55 +10:00
Victor Stinner f7d199ff32 Fix _PyGen_yf() 
Issue #28782: Fix a bug in the implementation ``yield from`` when checking
if the next instruction is YIELD_FROM. Regression introduced by WORDCODE
(issue #26647).

Reviewed by Serhiy Storchaka and Yury Selivanov.
 2016-11-24 22:33:01 +01:00
Raymond Hettinger 64e2f9ac86 Issue #27100: Fix ref leak 2016-11-22 11:50:40 -08:00
Raymond Hettinger a3fec1543d Issue #27100: With statement reports missing __enter__ before __exit__. (Contributed by Jonathan Ellington.) 2016-11-21 17:24:23 -08:00
Serhiy Storchaka 06515833fe Replaced outdated macros _PyUnicode_AsString and _PyUnicode_AsStringAndSize 
with PyUnicode_AsUTF8 and PyUnicode_AsUTF8AndSize.
 2016-11-20 09:13:07 +02:00
Serhiy Storchaka e20973926a Issue #28715: Added error checks for PyUnicode_AsUTF8(). 2016-11-20 08:48:07 +02:00
Serhiy Storchaka 144f77a981 Issue #28715: Added error checks for PyUnicode_AsUTF8(). 2016-11-20 08:47:21 +02:00
Xavier de Gaye ec5d3cd533 Issue #28746: Fix the set_inheritable() file descriptor method on platforms 
that do not have the ioctl FIOCLEX and FIONCLEX commands
 2016-11-19 16:19:29 +01:00
Serhiy Storchaka fab6acd9f5 Issue #28701: Replace _PyUnicode_CompareWithId with _PyUnicode_EqualToASCIIId. 
The latter function is more readable, faster and doesn't raise exceptions.

Based on patch by Xiang Zhang.
 2016-11-16 15:41:11 +02:00
Serhiy Storchaka f5894dd646 Issue #28701: Replace _PyUnicode_CompareWithId with _PyUnicode_EqualToASCIIId. 
The latter function is more readable, faster and doesn't raise exceptions.

Based on patch by Xiang Zhang.
 2016-11-16 15:40:39 +02:00
Serhiy Storchaka 3b73ea1278 Issue #28701: Replace PyUnicode_CompareWithASCIIString with _PyUnicode_EqualToASCIIString. 
The latter function is more readable, faster and doesn't raise exceptions.
 2016-11-16 10:19:20 +02:00
Serhiy Storchaka f4934ea77d Issue #28701: Replace PyUnicode_CompareWithASCIIString with _PyUnicode_EqualToASCIIString. 
The latter function is more readable, faster and doesn't raise exceptions.
 2016-11-16 10:17:58 +02:00
Xavier de Gaye b445ad7b04 Issue #26920: Fix not getting the locale's charset upon initializing the interpreter, 
on platforms that do not have langinfo
 2016-11-16 07:24:20 +01:00
Victor Stinner f9cca365c7 Fix warn_invalid_escape_sequence() 
Issue #28691: Fix warn_invalid_escape_sequence(): handle correctly
DeprecationWarning raised as an exception. First clear the current exception to
replace the DeprecationWarning exception with a SyntaxError exception.

Unit test written by Serhiy Storchaka.
 2016-11-15 09:12:10 +01:00
Ned Deily 7d895d3c37 Issue #28676: merge from 3.5 2016-11-12 16:38:03 -05:00
Ned Deily 7ae4112649 Issue #28676: Prevent missing 'getentropy' declaration warning on macOS. 
Patch by Gareth Rees.
 2016-11-12 16:35:48 -05:00
Raymond Hettinger 13527123a1 Issue #28665: Harmonize STORE_DEREF with STORE_FAST and LOAD_DEREF giving a 40% speedup. 2016-11-11 04:31:18 -08:00
Yury Selivanov 1a9d687a49 Issue #26182: Fix ia refleak in code that raises DeprecationWarning. 2016-11-08 16:54:18 -05:00
Serhiy Storchaka 4678b2f448 Fixed possible abort in ceval loop if _PyUnicode_FromId() fails. 
Every opcode should end with DISPATCH() or goto error.
 2016-11-08 23:13:36 +02:00
Serhiy Storchaka 70b72f0f96 Fixed possible abort in ceval loop if _PyUnicode_FromId() fails. 
Every opcode should end with DISPATCH() or goto error.
 2016-11-08 23:12:46 +02:00
Yury Selivanov 2edd8a1e2c Issue #27243: Change PendingDeprecationWarning -> DeprecationWarning. 
As it was agreed in the issue, __aiter__ returning an awaitable
should result in PendingDeprecationWarning in 3.5 and in
DeprecationWarning in 3.6.
 2016-11-08 15:13:07 -05:00
Eric V. Smith 9b88fdf4f0 Fixed issue #28633: segfault when concatenating bytes literal and f-string. 2016-11-07 17:54:01 -05:00
Ned Deily 7d76c906f7 Issue #28616: merge from 3.5 2016-11-04 17:07:06 -04:00
Ned Deily da4887a88d Issue #28616: Correct help for sys.version_info releaselevel component. 
Patch by Anish Tambe.
 2016-11-04 17:03:34 -04:00
Eric V. Smith 5646648678 Issue 28128: Print out better error/warning messages for invalid string escapes. Backport to 3.6. 2016-10-31 14:46:26 -04:00
Serhiy Storchaka 7db3c48833 Issue #28517: Fixed of-by-one error in the peephole optimizer that caused 
keeping unreachable code.
 2016-10-25 09:30:43 +03:00
Serhiy Storchaka 467ab194fc Issue #28410: Added _PyErr_FormatFromCause() -- the helper for raising 
new exception with setting current exception as __cause__.

_PyErr_FormatFromCause(exception, format, args...) is equivalent to Python

    raise exception(format % args) from sys.exc_info()[1]
 2016-10-21 17:09:17 +03:00
Serhiy Storchaka b0426cd8c4 Issue #28410: Keep the traceback of original exception in _PyErr_ChainExceptions(). 2016-10-21 16:20:43 +03:00
Serhiy Storchaka 9e373be1bc Issue #28410: Keep the traceback of original exception in _PyErr_ChainExceptions(). 2016-10-21 16:19:59 +03:00
Benjamin Peterson 4510e6de9d mark dtrace stubs as static inline; remove stubs 
C99 inline semantics don't work everywhere. (https://bugs.python.org/issue28092)
We don't want these to have external visibility anyway.
 2016-10-20 22:37:00 -07:00
Serhiy Storchaka df0fd74ae8 Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception 
loss in PyTraceBack_Here().
 2016-10-18 13:26:25 +03:00
Serhiy Storchaka 04eb777279 Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception 
loss in PyTraceBack_Here().
 2016-10-18 13:23:18 +03:00
Serhiy Storchaka 5665301bae Issue #28257: Improved error message when pass a non-mapping as a var-keyword 
argument.
 2016-10-07 23:32:41 +03:00
Serhiy Storchaka 5e80855af3 Issue #24098: Fixed possible crash when AST is changed in process of 
compiling it.
 2016-10-07 21:55:49 +03:00
Serhiy Storchaka cf3806026b Issue #24098: Fixed possible crash when AST is changed in process of 
compiling it.
 2016-10-07 21:51:28 +03:00
Berker Peksag 8e9045d0d8 Issue #27358: Fix typo in error message 2016-10-02 13:08:25 +03:00
Serhiy Storchaka e036ef8fa2 Issue #27358: Optimized merging var-keyword arguments and improved error 
message when pass a non-mapping as a var-keyword argument.
 2016-10-02 11:06:43 +03:00
Serhiy Storchaka 7344285c19 Issue #28257: Improved error message when pass a non-iterable as 
a var-positional argument.  Added opcode BUILD_TUPLE_UNPACK_WITH_CALL.
 2016-10-02 10:33:46 +03:00
Serhiy Storchaka 3738c2d8ae Issue #27942: String constants now interned recursively in tuples and frozensets. 2016-09-30 10:23:01 +03:00
Serhiy Storchaka 00a0fc1144 Issue #27942: String constants now interned recursively in tuples and frozensets. 2016-09-30 10:07:26 +03:00
Alexander Belopolsky 3e7a3cb903 Issue #28148: Stop using localtime() and gmtime() in the time module. 
Introduced platform independent _PyTime_localtime API that is similar
to POSIX localtime_r, but available on all platforms.  Patch by Ed
Schouten.
 2016-09-28 17:31:35 -04:00
Christian Heimes 517507c6d5 Issue #28100: Refactor error messages, patch by Ivan Levkivskyi 2016-09-23 20:26:30 +02:00
Serhiy Storchaka 208bbd29d3 Silence GCC warning. 
The code was correct, but GCC is not enough clever.
 2016-09-22 19:59:46 +03:00
Serhiy Storchaka 63dc548109 Issue #28086: Single var-positional argument of tuple subtype was passed 
unscathed to the C-defined function.  Now it is converted to exact tuple.
 2016-09-22 19:41:20 +03:00
Christian Heimes 2f2fee19ec va_end() all va_copy()ed va_lists. 2016-09-21 11:37:27 +02:00
Benjamin Peterson 0c21214f3e replace usage of Py_VA_COPY with the (C99) standard va_copy 2016-09-20 20:39:33 -07:00
Victor Stinner 75024c6589 (Merge 3.5) Catch EPERM error in py_getrandom() 
Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
syscall fails with EPERM, for example when blocked by SECCOMP.
 2016-09-20 22:49:52 +02:00
Victor Stinner 6d8bc46cc0 Catch EPERM error in py_getrandom() 
Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
syscall fails with EPERM, for example when blocked by SECCOMP.
 2016-09-20 22:46:02 +02:00
Victor Stinner af59732102 Cleanup random.c 
Issue #27955: modify py_getrnadom() and dev_urandom()

* Add comments from Python 3.7
* PEP 7 style: add {...}
 2016-09-20 22:26:18 +02:00
Benjamin Peterson 286987bbac delete dead code 2016-09-18 23:49:51 -07:00