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198 commits

Author SHA1 Message Date
Serhiy Storchaka
bb86bf4c4e
bpo-35444: Unify and optimize the helper for getting a builtin object. (GH-11047) 
This speeds up pickling of some iterators.

This fixes also error handling in pickling methods when fail to
look up builtin "getattr".
 2018-12-11 08:28:18 +02:00
Victor Stinner
bcda8f1d42
bpo-35081: Add Include/internal/pycore_object.h (GH-10640) 
Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from
Include/objimpl.h to Include/internal/pycore_object.h.
 2018-11-21 22:27:47 +01:00
Victor Stinner
621cebe81b
bpo-35081: Rename internal headers (GH-10275) 
Rename Include/internal/ headers:

* pycore_hash.h -> pycore_pyhash.h
* pycore_lifecycle.h -> pycore_pylifecycle.h
* pycore_mem.h -> pycore_pymem.h
* pycore_state.h -> pycore_pystate.h

Add missing headers to Makefile.pre.in and PCbuild:

* pycore_condvar.h.
* pycore_hamt.h
* pycore_pyhash.h
 2018-11-12 16:53:38 +01:00
Victor Stinner
e281f7d80c
bpo-35081: Move accu.h to Include/internal/pycore_accu.h (GH-10271) 
The accu.h header is no longer part of the Python C API: it has been
moved to the "internal" headers which are restricted to Python
itself.

Replace #include "accu.h" with #include "pycore_accu.h".
 2018-11-01 02:30:36 +01:00
Victor Stinner
27e2d1f219
bpo-35081: Add pycore_ prefix to internal header files (GH-10263) 
* Rename Include/internal/ header files:

  * pyatomic.h -> pycore_atomic.h
  * ceval.h -> pycore_ceval.h
  * condvar.h -> pycore_condvar.h
  * context.h -> pycore_context.h
  * pygetopt.h -> pycore_getopt.h
  * gil.h -> pycore_gil.h
  * hamt.h -> pycore_hamt.h
  * hash.h -> pycore_hash.h
  * mem.h -> pycore_mem.h
  * pystate.h -> pycore_state.h
  * warnings.h -> pycore_warnings.h

* PCbuild project, Makefile.pre.in, Modules/Setup: add the
  Include/internal/ directory to the search paths of header files.
* Update includes. For example, replace #include "internal/mem.h"
  with #include "pycore_mem.h".
 2018-11-01 00:52:28 +01:00
Pablo Galindo
49c75a8086
bpo-35064 prefix smelly symbols that appear with COUNT_ALLOCS with _Py_ (GH-10152) 
Configuring python with ./configure --with-pydebug CFLAGS="-D COUNT_ALLOCS -O0"
makes "make smelly" fail as some symbols were being exported without the "Py_" or
"_Py" prefixes.
 2018-10-28 15:02:17 +00:00
jdemeyer
aeb1be5868 bpo-34751: improved hash function for tuples (GH-9471) 2018-10-27 20:06:38 -04:00
Victor Stinner
caba55b3b7
bpo-34301: Add _PyInterpreterState_Get() helper function (GH-8592) 
sys_setcheckinterval() now uses a local variable to parse arguments,
before writing into interp->check_interval.
 2018-08-03 15:33:52 +02:00
Siddhesh Poyarekar
55edd0c185 bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. (GH-6030) 
METH_NOARGS functions need only a single argument but they are cast
into a PyCFunction, which takes two arguments.  This triggers an
invalid function cast warning in gcc8 due to the argument mismatch.
Fix this by adding a dummy unused argument.
 2018-04-29 21:59:33 +03:00
Eddie Elizondo
745dc65b17 closes bpo-32898: Fix debug build crash with COUNT_ALLOCS (GH-5800) 2018-02-21 20:55:18 -08:00
Leo Arias
c3d9508ff2 bpo-32746: Fix multiple typos (GH-5144) 
Fix typos found by codespell in docs, docstrings, and comments.
 2018-02-03 19:36:10 -05:00
Serhiy Storchaka
1fb72d2ad2
bpo-32137: The repr of deeply nested dict now raises a RecursionError (#4570) 
instead of crashing due to a stack overflow.

This perhaps will fix similar problems in other extension types.
 2017-12-03 22:12:11 +02:00
Victor Stinner
25420fe290
bpo-32030: Add more options to _PyCoreConfig (#4485) 
Py_Main() now handles two more -X options:

* -X showrefcount: new _PyCoreConfig.show_ref_count field
* -X showalloccount: new _PyCoreConfig.show_alloc_count field
 2017-11-20 18:12:22 -08:00
stratakis
e8b1965639 bpo-23699: Use a macro to reduce boilerplate code in rich comparison functions (GH-793) 2017-11-02 20:32:54 +10:00
Eric Snow
2ebc5ce42a bpo-30860: Consolidate stateful runtime globals. (#3397) 
* group the (stateful) runtime globals into various topical structs
* consolidate the topical structs under a single top-level _PyRuntimeState struct
* add a check-c-globals.py script that helps identify runtime globals

Other globals are excluded (see globals.txt and check-c-globals.py).
 2017-09-07 23:51:28 -06:00
Serhiy Storchaka
b879fe82e7 Expand the PySlice_GetIndicesEx macro. (#1023) 2017-04-08 09:53:51 +03:00
Serhiy Storchaka
d4edfc9abf bpo-29935: Fixed error messages in the index() method of tuple, list and deque (#887) 
when pass indices of wrong type.
 2017-03-30 18:29:23 +03:00
Serhiy Storchaka
0b5615926a bpo-20186: Convert tuple object implementation to Argument Clinic. (#614) 2017-03-19 08:47:58 +02:00
Serhiy Storchaka
98e80c2bab bpo-29737: Optimize concatenating with empty tuple. (#524) 2017-03-06 23:39:35 +02:00
Serhiy Storchaka
2e5642422f bpo-29695: Remove bad keyword parameters in int(), bool(), float(), list() and tuple(). (#518) 2017-03-06 17:01:06 +02:00
Serhiy Storchaka
58d23e6806 bpo-29695: Deprecated using bad named keyword arguments in builtings: (#486) 
int(), bool(), float(), list() and tuple().  Specify the value as a
positional argument instead.
 2017-03-06 00:53:39 +02:00
Serhiy Storchaka
228b12edcc Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE wherever 
possible.  Patch is writen with Coccinelle.
 2017-01-23 09:47:21 +02:00
Martin Panter
b93d8637a6 Issue #1621: Avoid signed overflow in list and tuple operations 
Patch by Xiang Zhang.
 2016-07-25 02:39:20 +00:00
Serhiy Storchaka
7e160ce356 Issue #23034: The output of a special Python build with defined COUNT_ALLOCS, 
SHOW_ALLOC_COUNT or SHOW_TRACK_COUNT macros is now off by  default.  It can
be re-enabled using the "-X showalloccount" option.  It now outputs to stderr
instead of stdout.
 2016-07-03 21:03:53 +03:00
Serhiy Storchaka
ec39756960 Issue #22570: Renamed Py_SETREF to Py_XSETREF. 2016-04-06 09:50:03 +03:00
Serhiy Storchaka
ab479c49d3 Issue #26494: Fixed crash on iterating exhausting iterators. 
Affected classes are generic sequence iterators, iterators of str, bytes,
bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding
views and os.scandir() iterator.
 2016-03-30 20:41:15 +03:00
Serhiy Storchaka
fbb1c5ee06 Issue #26494: Fixed crash on iterating exhausting iterators. 
Affected classes are generic sequence iterators, iterators of str, bytes,
bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding
views and os.scandir() iterator.
 2016-03-30 20:40:02 +03:00
Serhiy Storchaka
1ed017ae92 Issue #20440: Cleaning up the code by using Py_SETREF and Py_CLEAR. 
Old code is correct, but with Py_SETREF and Py_CLEAR it can be cleaner.
This patch doesn't fix bugs and hence there is no need to backport it.
 2015-12-27 15:51:32 +02:00
Antoine Pitrou
63afdaa110 Issue #23629: Fix the default __sizeof__ implementation for variable-sized objects. 2015-03-10 22:35:24 +01:00
Antoine Pitrou
a654510150 Issue #23629: Fix the default __sizeof__ implementation for variable-sized objects. 2015-03-10 22:32:00 +01:00
Victor Stinner
049e509a9f Issue #22207: Fix "comparison between signed and unsigned integers" warning in 
test checking for integer overflow on Py_ssize_t type: cast explicitly to
size_t.
 2014-08-17 22:20:00 +02:00
Terry Jan Reedy
ffff1440d1 Issue #22077: Improve index error messages for bytearrays, bytes, lists, and 
tuples by adding 'or slices'. Added ', not <typename' for bytearrays.
Original patch by Claudiu Popa.
 2014-08-02 01:30:37 -04:00
Kristján Valur Jónsson
c5cc5011ac Make the various iterators' "setstate" sliently and consistently clip the 
index.  This avoids the possibility of setting an iterator to an invalid
state.
 2014-03-05 15:23:07 +00:00
Kristján Valur Jónsson
25dded041f Make the various iterators' "setstate" sliently and consistently clip the 
index.  This avoids the possibility of setting an iterator to an invalid
state.
 2014-03-05 13:47:57 +00:00
Serhiy Storchaka
dfe98a102e Issue #20437: Fixed 22 potential bugs when deleting objects references. 2014-02-09 13:46:20 +02:00
Serhiy Storchaka
505ff755d7 Issue #20437: Fixed 21 potential bugs when deleting objects references. 2014-02-09 13:33:53 +02:00
Victor Stinner
88a9cd9b57 Issue #19513: repr(tuple) now uses _PyUnicodeWriter for better performances 2013-11-19 12:59:46 +01:00
Antoine Pitrou
9ed5f27266 Issue #18722: Remove uses of the "register" keyword in C code. 2013-08-13 20:18:52 +02:00
Victor Stinner
7660b880a5 Issue #9566: More long/Py_ssize_t fixes in tuple and list iterators (it_index) 2013-06-24 23:59:24 +02:00
Victor Stinner
2199c38729 Issue #9566: Fix a compiler warning in tupleiter_setstate() on Windows x64 2013-06-24 23:31:48 +02:00
Victor Stinner
a2d56984c7 Issuse #17932: Fix an integer overflow issue on Windows 64-bit in tuple 
iterators: change the C type of tupleiterobject.it_index from long to
Py_ssize_t.
 2013-06-05 00:11:34 +02:00
Christian Heimes
34bdeb5d81 Add a comment about *not* caching the hash value. Issue #9685 suggested to memorize the hash value, but the feature request was rejected because no speed ups were found. 2013-01-07 21:24:18 +01:00
Gregory P. Smith
c2176e46d7 Fix the internals of our hash functions to used unsigned values during hash 
computation as the overflow behavior of signed integers is undefined.

NOTE: This change is smaller compared to 3.2 as much of this cleanup had
already been done.  I added the comment that my change in 3.2 added so that the
code would match up.  Otherwise this just adds or synchronizes appropriate UL
designations on some constants to be pedantic.

In practice we require compiling everything with -fwrapv which forces overflow
to be defined as twos compliment but this keeps the code cleaner for checkers
or in the case where someone has compiled it without -fwrapv or their
compiler's equivalent.

Found by Clang trunk's Undefined Behavior Sanitizer (UBSan).

Cleanup only - no functionality or hash values change.
 2012-12-10 18:32:53 -08:00
Gregory P. Smith
27cbcd6241 Fix the internals of our hash functions to used unsigned values during hash 
computation as the overflow behavior of signed integers is undefined.

In practice we require compiling everything with -fwrapv which forces overflow
to be defined as twos compliment but this keeps the code cleaner for checkers
or in the case where someone has compiled it without -fwrapv or their
compiler's equivalent.

Found by Clang trunk's Undefined Behavior Sanitizer (UBSan).

Cleanup only - no functionality or hash values change.
 2012-12-10 18:15:46 -08:00
Mark Dickinson
c04ddff290 Issue #16096: Fix several occurrences of potential signed integer overflow. Thanks Serhiy Storchaka. 2012-10-06 18:04:49 +01:00
Christian Heimes
c4fe3fed6e PyTuple_Pack() was missing va_end() in its error branch which lead to a resource leak. 2012-09-10 02:55:13 +02:00
Christian Heimes
d5a88044a3 PyTuple_Pack() was missing va_end() in its error branch which lead to a resource leak. 2012-09-10 02:54:51 +02:00
David Malcolm
49526f48fc Issue #14785: Add sys._debugmallocstats() to help debug low-level memory allocation issues 2012-06-22 14:55:41 -04:00
Antoine Pitrou
a701388de1 Rename _PyIter_GetBuiltin to _PyObject_GetBuiltin, and do not include it in the stable ABI. 2012-04-05 00:04:20 +02:00
Kristján Valur Jónsson
31668b8f7a Issue #14288: Serialization support for builtin iterators. 2012-04-03 10:49:41 +00:00