Replace
_PyObject_CallArg1(func, arg)
with
PyObject_CallFunctionObjArgs(func, arg, NULL)
Using the _PyObject_CallArg1() macro increases the usage of the C stack, which
was unexpected and unwanted. PyObject_CallFunctionObjArgs() doesn't have this
issue.
When Python is not compiled with PGO, the performance of Python on call_simple
and call_method microbenchmarks depend highly on the code placement. In the
worst case, the performance slowdown can be up to 70%.
The GCC __attribute__((hot)) attribute helps to keep hot code close to reduce
the risk of such major slowdown. This attribute is ignored when Python is
compiled with PGO.
The following functions are considered as hot according to statistics collected
by perf record/perf report:
* _PyEval_EvalFrameDefault()
* call_function()
* _PyFunction_FastCall()
* PyFrame_New()
* frame_dealloc()
* PyErr_Occurred()
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]
Issue #26154: Add a new private _PyThreadState_UncheckedGet() function which
gets the current thread state, but don't call Py_FatalError() if it is NULL.
Python 3.5.1 removed the _PyThreadState_Current symbol from the Python C API to
no more expose complex and private atomic types. Atomic types depends on the
compiler or can even depend on compiler options. The new function
_PyThreadState_UncheckedGet() allows to get the variable value without having
to care of the exact implementation of atomic types.
Changes:
* Replace direct usage of the _PyThreadState_Current variable with a call to
_PyThreadState_UncheckedGet().
* In pystate.c, replace direct usage of the _PyThreadState_Current variable
with the PyThreadState_GET() macro for readability.
* Document also PyThreadState_Get() in pystate.h
now register both filenames in the exception on failure.
This required adding new C API functions allowing OSError exceptions
to reference two filenames instead of one.
_PyUnicode_CompareWithId() is faster than PyUnicode_CompareWithASCIIString()
when both strings are equal and interned.
Add also _PyId_builtins identifier for "builtins" common string.
instead of creating temporary Unicode string objects
Add also more identifiers in pythonrun.c to avoid temporary Unicode string
objets for the interactive interpreter.
* Catch PyFile_WriteString() and PyFile_WriteObject() errors
* Clear the current exception on _PyObject_GetAttrId() failure
* Use PyUnicode_CompareWithASCIIString() and PyFile_WriteObject() instead of
_PyUnicode_AsString() and strcmp() to avoid Unicode encoding error. stderr
has a more tolerant error handler than utf-8/strict.
with an assertion error if they are called with an exception set
(PyErr_Occurred()).
If these functions are called with an exception set, the exception may be
cleared and so the caller looses its exception.
Add also assertions to PyEval_CallObjectWithKeywords() and call_function() to
check if the function succeed with no exception set, or the function failed
with an exception set.
Forgot to raise ModuleNotFoundError when None is found in sys.modules.
This led to introducing the C function PyErr_SetImportErrorSubclass()
to make setting ModuleNotFoundError easier.
Also updated the reference docs to mention ModuleNotFoundError
appropriately. Updated the docs for ModuleNotFoundError to mention the
None in sys.modules case.
Lastly, it was noticed that PyErr_SetImportError() was not setting an
exception when returning None in one case. That issue is now fixed.
Add INCREFs, fix args->kwargs, and a second args==NULL check was removed,
left over from a merger with another function. Instead, checking msg==NULL
does what that used to do in a roundabout way.
Currently import does not use these attributes as they are planned
for use by importlib (which will be another commit).
Thanks to Filip Gruszczyński for the initial patch and Brian Curtin
for refining it.
works properly.
PyErr_SetFromErrnoWithFilenameObject() was already fixed by the changeset
793c75177d28. This commit fixes PyErr_SetExcFromWindowsErrWithFilenameObject(),
used on Windows.
svn+ssh://pythondev@svn.python.org/python/trunk
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r77088 | georg.brandl | 2009-12-28 09:34:58 +0100 (Mo, 28 Dez 2009) | 1 line
#7033: add new API function PyErr_NewExceptionWithDoc, for easily giving new exceptions a docstring.
........
svn+ssh://pythondev@svn.python.org/python/trunk
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r72698 | hirokazu.yamamoto | 2009-05-17 11:52:09 +0900 | 1 line
Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
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r72699 | hirokazu.yamamoto | 2009-05-17 11:58:36 +0900 | 1 line
Added NEWS for r72698.
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svn+ssh://pythondev@svn.python.org/python/trunk
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r71024 | georg.brandl | 2009-04-02 04:47:44 +0200 (Do, 02 Apr 2009) | 4 lines
In PyErr_GivenExceptionMatches, temporarily bump the recursion
limit, so that in the most common case PyObject_IsSubclass will
not raise a recursion error we have to ignore anyway.
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r71058 | georg.brandl | 2009-04-02 20:09:04 +0200 (Do, 02 Apr 2009) | 3 lines
PyErr_NormalizeException may not set an error, so convert the PyErr_SetObject
call on hitting the recursion limit into just assigning it to the arguments provided.
........
an 'except' clause), the exception __context__ would be reset to None.
This crases the interpreter if this precisely happens inside PyErr_SetObject.
- now the __context__ is properly preserved
- in any case, PyErr_SetObject now saves the current exc_value in a local variable, to
avoid such crashes in the future.
Reviewer: Antoine Pitrou.
match Python 2.5 speed despite the __instancecheck__ / __subclasscheck__
mechanism. In the process, fix a bug where isinstance() and issubclass(),
when given a tuple of classes as second argument, were looking up
__instancecheck__ / __subclasscheck__ on the tuple rather than on each
type object.
Reviewed by Benjamin Peterson and Raymond Hettinger.
PyUnicode_AsStringAndSize -> _PyUnicode_AsStringAndSize to mark
them for interpreter internal use only.
We'll have to rework these APIs or create new ones for the
purpose of accessing the UTF-8 representation of Unicode objects
for 3.1.
svn+ssh://pythondev@svn.python.org/python/trunk
........
r62260 | gregory.p.smith | 2008-04-10 01:11:56 +0200 (Thu, 10 Apr 2008) | 2 lines
better diagnostics
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r62261 | gregory.p.smith | 2008-04-10 01:16:37 +0200 (Thu, 10 Apr 2008) | 3 lines
Raise SystemError when size < 0 is passed into PyString_FromStringAndSize,
PyBytes_FromStringAndSize or PyUnicode_FromStringAndSize. [issue2587]
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r62266 | neal.norwitz | 2008-04-10 07:46:39 +0200 (Thu, 10 Apr 2008) | 5 lines
Remove the test file before writing it in case there is no write permission.
This might help fix some of the failures on Windows box(es). It doesn't hurt
either way and ensure the tests are a little more self contained (ie have
less assumptions).
........
r62271 | gregory.p.smith | 2008-04-10 21:50:36 +0200 (Thu, 10 Apr 2008) | 2 lines
get rid of assert (size >= 0) now that an explicit if (size < 0) is in the code.
........
r62277 | andrew.kuchling | 2008-04-10 23:27:10 +0200 (Thu, 10 Apr 2008) | 1 line
Remove forward-looking statement
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r62278 | andrew.kuchling | 2008-04-10 23:28:51 +0200 (Thu, 10 Apr 2008) | 1 line
Add punctuation
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r62279 | andrew.kuchling | 2008-04-10 23:29:01 +0200 (Thu, 10 Apr 2008) | 1 line
Use issue directive
........
r62289 | thomas.heller | 2008-04-11 15:05:38 +0200 (Fri, 11 Apr 2008) | 3 lines
Move backwards compatibility macro to the correct place;
PyIndex_Check() was introduced in Python 2.5.
........
r62290 | thomas.heller | 2008-04-11 16:20:26 +0200 (Fri, 11 Apr 2008) | 2 lines
Performance improvements.
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r62293 | christian.heimes | 2008-04-12 15:03:03 +0200 (Sat, 12 Apr 2008) | 2 lines
Applied patch #2617 from Frank Wierzbicki wit some extras from me
-J and -X are now reserved for Jython and non-standard arguments (e.g. IronPython). I've added some extra comments to make sure the reservation don't get missed in the future.
........
r62294 | georg.brandl | 2008-04-12 20:11:18 +0200 (Sat, 12 Apr 2008) | 2 lines
Use absolute path in sys.path.
........
r62295 | georg.brandl | 2008-04-12 20:36:09 +0200 (Sat, 12 Apr 2008) | 2 lines
#2615: small consistency update by Jeroen Ruigrok van der Werven.
........
r62296 | georg.brandl | 2008-04-12 21:00:20 +0200 (Sat, 12 Apr 2008) | 2 lines
Add Jeroen.
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r62297 | georg.brandl | 2008-04-12 21:05:37 +0200 (Sat, 12 Apr 2008) | 2 lines
Don't offend snake lovers.
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r62298 | gregory.p.smith | 2008-04-12 22:37:48 +0200 (Sat, 12 Apr 2008) | 2 lines
fix compiler warnings
........
r62302 | gregory.p.smith | 2008-04-13 00:24:04 +0200 (Sun, 13 Apr 2008) | 3 lines
socket.error inherits from IOError, it no longer needs listing in
the all_errors tuple.
........
r62303 | brett.cannon | 2008-04-13 01:44:07 +0200 (Sun, 13 Apr 2008) | 8 lines
Re-implement the 'warnings' module in C. This allows for usage of the
'warnings' code in places where it was previously not possible (e.g., the
parser). It could also potentially lead to a speed-up in interpreter start-up
if the C version of the code (_warnings) is imported over the use of the
Python version in key places.
Closes issue #1631171.
........
r62304 | gregory.p.smith | 2008-04-13 02:03:25 +0200 (Sun, 13 Apr 2008) | 3 lines
Adds a profile-opt target for easy compilation of a python binary using
gcc's profile guided optimization.
........
r62305 | brett.cannon | 2008-04-13 02:18:44 +0200 (Sun, 13 Apr 2008) | 3 lines
Fix a bug in PySys_HasWarnOption() where it was not properly checking the
length of the list storing the warning options.
........
r62306 | brett.cannon | 2008-04-13 02:25:15 +0200 (Sun, 13 Apr 2008) | 2 lines
Fix an accidental bug of an non-existent init function.
........
r62308 | andrew.kuchling | 2008-04-13 03:05:59 +0200 (Sun, 13 Apr 2008) | 1 line
Mention -J, -X
........
r62311 | benjamin.peterson | 2008-04-13 04:20:05 +0200 (Sun, 13 Apr 2008) | 2 lines
Give the "Interactive Interpreter Changes" section in 2.6 whatsnew a unique link name
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r62313 | brett.cannon | 2008-04-13 04:42:36 +0200 (Sun, 13 Apr 2008) | 3 lines
Fix test_warnings by making the state of things more consistent for each test
when it is run.
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r62314 | skip.montanaro | 2008-04-13 05:17:30 +0200 (Sun, 13 Apr 2008) | 2 lines
spelling
........
r62315 | georg.brandl | 2008-04-13 09:07:44 +0200 (Sun, 13 Apr 2008) | 2 lines
Fix markup.
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r62319 | christian.heimes | 2008-04-13 11:30:17 +0200 (Sun, 13 Apr 2008) | 1 line
Fix compiler warning Include/warnings.h:19:28: warning: no newline at end of file
........
r62320 | christian.heimes | 2008-04-13 11:33:24 +0200 (Sun, 13 Apr 2008) | 1 line
Use PyString_InternFromString instead of PyString_FromString for static vars
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r62321 | christian.heimes | 2008-04-13 11:37:05 +0200 (Sun, 13 Apr 2008) | 1 line
Added new files to the pcbuild files
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svn+ssh://pythondev@svn.python.org/python/trunk
........
r59666 | christian.heimes | 2008-01-02 19:28:32 +0100 (Wed, 02 Jan 2008) | 1 line
Made vs9to8 Unix compatible
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r59669 | guido.van.rossum | 2008-01-02 20:00:46 +0100 (Wed, 02 Jan 2008) | 2 lines
Patch #1696. Don't attempt to close None in dry-run mode.
........
r59671 | jeffrey.yasskin | 2008-01-03 03:21:52 +0100 (Thu, 03 Jan 2008) | 6 lines
Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
the complex_pow part), r56649, r56652, r56715, r57296, r57302, r57359, r57361,
r57372, r57738, r57739, r58017, r58039, r58040, and r59390, and new
documentation. The only significant difference is that round(x) returns a float
to preserve backward-compatibility. See http://bugs.python.org/issue1689.
........
r59672 | christian.heimes | 2008-01-03 16:41:30 +0100 (Thu, 03 Jan 2008) | 1 line
Issue #1726: Remove Python/atof.c from PCBuild/pythoncore.vcproj
........
r59675 | guido.van.rossum | 2008-01-03 20:12:44 +0100 (Thu, 03 Jan 2008) | 4 lines
Issue #1700, reported by Nguyen Quan Son, fix by Fredruk Lundh:
Regular Expression inline flags not handled correctly for some unicode
characters. (Forward port from 2.5.2.)
........
r59676 | christian.heimes | 2008-01-03 21:23:15 +0100 (Thu, 03 Jan 2008) | 1 line
Added math.isinf() and math.isnan()
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r59677 | christian.heimes | 2008-01-03 22:14:48 +0100 (Thu, 03 Jan 2008) | 1 line
Some build bots don't compile mathmodule. There is an issue with the long definition of pi and euler
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r59678 | christian.heimes | 2008-01-03 23:16:32 +0100 (Thu, 03 Jan 2008) | 2 lines
Modified PyImport_Import and PyImport_ImportModule to always use absolute imports by calling __import__ with an explicit level of 0
Added a new API function PyImport_ImportModuleNoBlock. It solves the problem with dead locks when mixing threads and imports
........
r59679 | christian.heimes | 2008-01-03 23:32:26 +0100 (Thu, 03 Jan 2008) | 1 line
Added copysign(x, y) function to the math module
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svn+ssh://pythondev@svn.python.org/python/trunk
........
r57820 | georg.brandl | 2007-08-31 08:59:27 +0200 (Fri, 31 Aug 2007) | 2 lines
Document new shorthand notation for index entries.
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r57827 | georg.brandl | 2007-08-31 10:47:51 +0200 (Fri, 31 Aug 2007) | 2 lines
Fix subitem markup.
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r57833 | martin.v.loewis | 2007-08-31 12:01:07 +0200 (Fri, 31 Aug 2007) | 1 line
Mark registry components as 64-bit on Win64.
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r57854 | bill.janssen | 2007-08-31 21:02:23 +0200 (Fri, 31 Aug 2007) | 1 line
deprecate use of FakeSocket
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r57855 | bill.janssen | 2007-08-31 21:02:46 +0200 (Fri, 31 Aug 2007) | 1 line
remove mentions of socket.ssl in comments
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r57856 | bill.janssen | 2007-08-31 21:03:31 +0200 (Fri, 31 Aug 2007) | 1 line
remove use of non-existent SSLFakeSocket in apparently untested code
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r57859 | martin.v.loewis | 2007-09-01 08:36:03 +0200 (Sat, 01 Sep 2007) | 3 lines
Bug #1737210: Change Manufacturer of Windows installer to PSF.
Will backport to 2.5.
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r57865 | georg.brandl | 2007-09-01 09:51:24 +0200 (Sat, 01 Sep 2007) | 2 lines
Fix RST link (backport from Py3k).
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r57876 | georg.brandl | 2007-09-01 17:49:49 +0200 (Sat, 01 Sep 2007) | 2 lines
Document sets' ">" and "<" operations (backport from py3k).
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r57878 | skip.montanaro | 2007-09-01 19:40:03 +0200 (Sat, 01 Sep 2007) | 4 lines
Added a note and examples to explain that re.split does not split on an
empty pattern match. (issue 852532).
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r57879 | walter.doerwald | 2007-09-01 20:18:09 +0200 (Sat, 01 Sep 2007) | 2 lines
Fix wrong function names.
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r57880 | walter.doerwald | 2007-09-01 20:34:05 +0200 (Sat, 01 Sep 2007) | 2 lines
Fix typo.
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r57889 | andrew.kuchling | 2007-09-01 22:31:59 +0200 (Sat, 01 Sep 2007) | 1 line
Markup fix
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r57892 | andrew.kuchling | 2007-09-01 22:43:36 +0200 (Sat, 01 Sep 2007) | 1 line
Add various items
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r57895 | andrew.kuchling | 2007-09-01 23:17:58 +0200 (Sat, 01 Sep 2007) | 1 line
Wording change
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r57896 | andrew.kuchling | 2007-09-01 23:18:31 +0200 (Sat, 01 Sep 2007) | 1 line
Add more items
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r57904 | ronald.oussoren | 2007-09-02 11:46:07 +0200 (Sun, 02 Sep 2007) | 3 lines
Macosx: this patch ensures that the value of MACOSX_DEPLOYMENT_TARGET used
by the Makefile is also used at configure-time.
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r57925 | georg.brandl | 2007-09-03 09:16:46 +0200 (Mon, 03 Sep 2007) | 2 lines
Fix#883466: don't allow Unicode as arguments to quopri and uu codecs.
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r57936 | matthias.klose | 2007-09-04 01:33:04 +0200 (Tue, 04 Sep 2007) | 2 lines
- Added support for linking the bsddb module against BerkeleyDB 4.6.x.
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r57954 | mark.summerfield | 2007-09-04 10:16:15 +0200 (Tue, 04 Sep 2007) | 3 lines
Added cross-references plus a note about dict & list shallow copying.
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r57958 | martin.v.loewis | 2007-09-04 11:51:57 +0200 (Tue, 04 Sep 2007) | 3 lines
Document that we rely on the OS to release the crypto
context. Fixes#1626801.
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r57960 | martin.v.loewis | 2007-09-04 15:13:14 +0200 (Tue, 04 Sep 2007) | 3 lines
Patch #1388440: Add set_completion_display_matches_hook and
get_completion_type to readline.
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r57961 | martin.v.loewis | 2007-09-04 16:19:28 +0200 (Tue, 04 Sep 2007) | 3 lines
Patch #1031213: Decode source line in SyntaxErrors back to its original
source encoding. Will backport to 2.5.
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r57972 | matthias.klose | 2007-09-04 20:17:36 +0200 (Tue, 04 Sep 2007) | 3 lines
- Makefile.pre.in(buildbottest): Run an optional script pybuildbot.identify
to include some information about the build environment.
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r57973 | matthias.klose | 2007-09-04 21:05:38 +0200 (Tue, 04 Sep 2007) | 2 lines
- Makefile.pre.in(buildbottest): Remove whitespace at eol.
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r57975 | matthias.klose | 2007-09-04 22:46:02 +0200 (Tue, 04 Sep 2007) | 2 lines
- Fix libffi configure for hppa*-*-linux* | parisc*-*-linux*.
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r57980 | bill.janssen | 2007-09-05 02:46:27 +0200 (Wed, 05 Sep 2007) | 1 line
SSL certificate distinguished names should be represented by tuples
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r57985 | martin.v.loewis | 2007-09-05 08:39:17 +0200 (Wed, 05 Sep 2007) | 3 lines
Patch #1105: Explain that one needs to build the solution
to get dependencies right.
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r57987 | armin.rigo | 2007-09-05 09:51:21 +0200 (Wed, 05 Sep 2007) | 4 lines
PyDict_GetItem() returns a borrowed reference.
There are probably a number of places that are open to attacks
such as the following one, in bltinmodule.c:min_max().
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r57991 | martin.v.loewis | 2007-09-05 13:47:34 +0200 (Wed, 05 Sep 2007) | 3 lines
Patch #786737: Allow building in a tree of symlinks pointing to
a readonly source.
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r57993 | georg.brandl | 2007-09-05 15:36:44 +0200 (Wed, 05 Sep 2007) | 2 lines
Backport from Py3k: Bug #1684991: explain lookup semantics for __special__ methods (new-style classes only).
........
r58004 | armin.rigo | 2007-09-06 10:30:51 +0200 (Thu, 06 Sep 2007) | 4 lines
Patch #1733973 by peaker:
ptrace_enter_call() assumes no exception is currently set.
This assumption is broken when throwing into a generator.
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r58006 | armin.rigo | 2007-09-06 11:30:38 +0200 (Thu, 06 Sep 2007) | 4 lines
PyDict_GetItem() returns a borrowed reference.
This attack is against ceval.c:IMPORT_NAME, which calls an
object (__builtin__.__import__) without holding a reference to it.
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r58013 | georg.brandl | 2007-09-06 16:49:56 +0200 (Thu, 06 Sep 2007) | 2 lines
Backport from 3k: #1116: fix reference to old filename.
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r58021 | thomas.heller | 2007-09-06 22:26:20 +0200 (Thu, 06 Sep 2007) | 1 line
Fix typo: c_float represents to C float type.
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r58022 | skip.montanaro | 2007-09-07 00:29:06 +0200 (Fri, 07 Sep 2007) | 3 lines
If this is correct for py3k branch and it's already in the release25-maint
branch, seems like it ought to be on the trunk as well.
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r58023 | gregory.p.smith | 2007-09-07 00:59:59 +0200 (Fri, 07 Sep 2007) | 4 lines
Apply the fix from Issue1112 to make this test more robust and keep
windows happy.
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r58031 | brett.cannon | 2007-09-07 05:17:50 +0200 (Fri, 07 Sep 2007) | 4 lines
Make uuid1 and uuid4 tests conditional on whether ctypes can be imported;
implementation of either function depends on ctypes but uuid as a whole does
not.
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r58032 | brett.cannon | 2007-09-07 06:18:30 +0200 (Fri, 07 Sep 2007) | 6 lines
Fix a crasher where Python code managed to infinitely recurse in C code without
ever going back out to Python code in PyObject_Call(). Required introducing a
static RuntimeError instance so that normalizing an exception there is no
reliance on a recursive call that would put the exception system over the
recursion check itself.
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r58034 | thomas.heller | 2007-09-07 08:32:17 +0200 (Fri, 07 Sep 2007) | 1 line
Add a 'c_longdouble' type to the ctypes module.
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r58035 | thomas.heller | 2007-09-07 11:30:40 +0200 (Fri, 07 Sep 2007) | 1 line
Remove unneeded #include.
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r58036 | thomas.heller | 2007-09-07 11:33:24 +0200 (Fri, 07 Sep 2007) | 6 lines
Backport from py3k branch:
Add a workaround for a strange bug on win64, when _ctypes is compiled
with the SDK compiler. This should fix the failing
Lib\ctypes\test\test_as_parameter.py test.
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r58037 | georg.brandl | 2007-09-07 16:14:40 +0200 (Fri, 07 Sep 2007) | 2 lines
Fix a wrong indentation for sublists.
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r58043 | georg.brandl | 2007-09-07 22:10:49 +0200 (Fri, 07 Sep 2007) | 2 lines
#1095: ln -f doesn't work portably, fix in Makefile.
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r58049 | skip.montanaro | 2007-09-08 02:34:17 +0200 (Sat, 08 Sep 2007) | 1 line
be explicit about the actual location of the missing file
........
Martin Panter
Serhiy Storchaka
Victor Stinner
Eric Snow
Berker Peksag
Yury Selivanov
Antoine Pitrou
Larry Hastings
Raymond Hettinger
Victor Stinner
Brett Cannon
Andrew Svetlov
Martin v. Löwis
Benjamin Peterson
Brian Curtin
Victor Stinner
Florent Xicluna
Georg Brandl
Jeffrey Yasskin
Hirokazu Yamamoto
Amaury Forgeot d'Arc
Marc-André Lemburg
Guido van Rossum
Christian Heimes
Thomas Wouters
Neal Norwitz
Skip Montanaro