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242 Commits

Author SHA1 Message Date
Raymond Hettinger cc061d0e6f
bpo-38200: Add itertools.pairwise() (GH-23549) 2020-11-30 20:42:54 -08:00
Victor Stinner 37834136d0
bpo-42161: Modules/ uses _PyLong_GetZero() and _PyLong_GetOne() (GH-22998) 
Use _PyLong_GetZero() and _PyLong_GetOne() in Modules/ directory.

_cursesmodule.c and zoneinfo.c are now built with
Py_BUILD_CORE_MODULE macro defined.
 2020-10-27 17:12:53 +01:00
Victor Stinner 384621c42f
bpo-41078: Rename pycore_tupleobject.h to pycore_tuple.h (GH-21056) 2020-06-22 17:27:35 +02:00
Hai Shi 47a23fc63f
bpo-40898: Remove redundant if statements in tp_traverse (GH-20692) 2020-06-07 21:05:36 +09:00
Victor Stinner 4a21e57fe5
bpo-40268: Remove unused structmember.h includes (GH-19530) 
If only offsetof() is needed: include stddef.h instead.

When structmember.h is used, add a comment explaining that
PyMemberDef is used.
 2020-04-15 02:35:41 +02:00
Ethan Smith a8403d057d
Generic itertools.chain (GH-19417) 2020-04-09 20:28:08 -07:00
AlphaHot 8dd1792c68
bpo-40036: Deleting duplicates in itertoolsmodule.c (GH-18958) 2020-03-23 13:14:39 -07:00
Dong-hee Na 05e4a296ec
bpo-40024: Add PyModule_AddType() helper function (GH-19088) 2020-03-22 17:17:34 +01:00
Dong-hee Na 514c469719
bpo-1635741: Port itertools module to multiphase initialization (GH-19044) 2020-03-17 18:46:24 +01:00
Andy Lester 557287075c
bpo-39573: Use Py_IS_TYPE() macro to check for types (GH-18809) 
Co-authored-by: Victor Stinner <vstinner@python.org>
 2020-03-06 23:53:17 +01:00
Andy Lester dffe4c0709
bpo-39573: Finish converting to new Py_IS_TYPE() macro (GH-18601) 2020-03-04 14:15:20 +01:00
Petr Viktorin ffd9753a94
bpo-39245: Switch to public API for Vectorcall (GH-18460) 
The bulk of this patch was generated automatically with:

    for name in \
        PyObject_Vectorcall \
        Py_TPFLAGS_HAVE_VECTORCALL \
        PyObject_VectorcallMethod \
        PyVectorcall_Function \
        PyObject_CallOneArg \
        PyObject_CallMethodNoArgs \
        PyObject_CallMethodOneArg \
    ;
    do
        echo $name
        git grep -lwz _$name | xargs -0 sed -i "s/\b_$name\b/$name/g"
    done

    old=_PyObject_FastCallDict
    new=PyObject_VectorcallDict
    git grep -lwz $old | xargs -0 sed -i "s/\b$old\b/$new/g"

and then cleaned up:

- Revert changes to in docs & news
- Revert changes to backcompat defines in headers
- Nudge misaligned comments
 2020-02-11 17:46:57 +01:00
Victor Stinner d2ec81a8c9
bpo-39573: Add Py_SET_TYPE() function (GH-18394) 
Add Py_SET_TYPE() function to set the type of an object.
 2020-02-07 09:17:07 +01:00
Raymond Hettinger af46450bb9
Minor readability improvement for argument handling in itertools.repeat() (GH-17101) 2019-11-09 20:28:31 -08:00
Sergey 0078a0c2a5 Permutations Python code equivalent in comment was invalid for Python 3 (GH-16927) 2019-10-28 22:10:24 -07:00
Serhiy Storchaka 526a01467b
bpo-34410: Fix a crash in the tee iterator when re-enter it. (GH-15625) 
RuntimeError is now raised in this case.
 2019-09-09 11:47:14 +03:00
Serhiy Storchaka 918b468b7d
Revert "Raise a RuntimeError when tee iterator is consumed from different threads (GH-15567)" (GH-15736) 
This reverts commit fa220ec763.
 2019-09-09 11:18:16 +03:00
Serhiy Storchaka 1f21eaa15e
bpo-15999: Clean up of handling boolean arguments. (GH-15610) 
* Use the 'p' format unit instead of manually called PyObject_IsTrue().
* Pass boolean value instead 0/1 integers to functions that needs boolean.
* Convert some arguments to boolean only once.
 2019-09-01 12:16:51 +03:00
Sergey Fedoseev 6a650aaf77 bpo-37976: Prevent shadowing of TypeError in zip() (GH-15592) 2019-08-29 21:25:48 -07:00
HongWeipeng fa220ec763 Raise a RuntimeError when tee iterator is consumed from different threads (GH-15567) 2019-08-28 20:39:25 -07:00
Jeroen Demeyer 196a530e00 bpo-37483: add _PyObject_CallOneArg() function (#14558) 2019-07-04 19:31:34 +09:00
Jeroen Demeyer 530f506ac9 bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async (GH-13464) 
Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async
 2019-05-30 19:13:39 -07:00
Zackery Spytz 0523c39e77 bpo-36430: Fix a possible reference leak in itertools.count(). (GH-12551) 2019-03-26 08:05:29 +02:00
Sergey Fedoseev 234531b446 bpo-36030: Add _PyTuple_FromArray() function (GH-11954) 2019-02-25 17:59:12 +01:00
Serhiy Storchaka a24107b04c
bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112) 2019-02-25 17:59:46 +02:00
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
Lisa Roach 9718b59ee5
bpo-34659: Adds initial kwarg to itertools.accumulate() (GH-9345) 2018-09-23 17:34:59 -07:00
Tal Einat c4bccd3c76 bpo-20180: convert most of itertoolsmodule.c to use Argument Clinic (GH-9164) 2018-09-11 14:49:13 -07:00
Tal Einat 3286ce4ade bpo-20180: itertools.groupby Argument Clinic conversion (GH-4170) 2018-09-10 11:33:08 -07:00
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
oldk aa0735f597 bpo-32747: Remove trailing spaces in docstrings. (GH-5491) 2018-02-02 10:52:55 +02:00
Serhiy Storchaka f320be77ff bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code (GH-5222) 
Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
 2018-01-25 17:49:40 +09:00
Serhiy Storchaka 1707e4020f
bpo-31572: Silence only AttributeError when get the __copy__ attribute in itertools.tee(). (#3724) 2017-11-11 15:51:42 +02:00
Serhiy Storchaka c740e4fe8a bpo-30347: Stop crashes when concurrently iterate over itertools.groupby() iterators. (#1557) 2017-09-26 21:47:56 +03:00
Raymond Hettinger 49392c63a2 bpo-27385: Clarify docstring for groupby() (#3738) 2017-09-25 01:21:06 -07:00
Serhiy Storchaka c247caf33f bpo-30346: An iterator produced by the itertools.groupby() iterator (#1569) 
now becames exhausted after advancing the groupby iterator.
 2017-09-24 13:36:11 +03:00
Serhiy Storchaka b3a77964ea bpo-27541: Reprs of subclasses of some classes now contain actual type name. (#3631) 
Affected classes are bytearray, array, deque, defaultdict, count and repeat.
 2017-09-21 14:24:13 +03:00
Serhiy Storchaka 4ab46d7949 bpo-31497: Add private helper _PyType_Name(). (#3630) 
This function returns the last component of tp_name after a dot.
Returns tp_name itself if it doesn't contain a dot.
 2017-09-17 21:11:04 +03:00
Serhiy Storchaka 6cca5c8459 bpo-30592: Fixed error messages for some builtins. (#1996) 
Error messages when pass keyword arguments to some builtins that
don't support keyword arguments contained double parenthesis: "()()".
The regression was introduced by bpo-30534.
 2017-06-08 14:41:19 +03:00
Will Roberts 0ecdc52514 bpo-30537: use PyNumber in itertools.islice instead of PyLong (#1918) 
* bpo-30537: use PyNumber in itertools instead of PyLong

* bpo-30537: revert changes except to islice_new

* bpo-30537: test itertools.islice and add entry to Misc/NEWS
 2017-06-07 23:03:04 -07:00
Serhiy Storchaka bf623ae884 bpo-30061: Check if PyObject_Size()/PySequence_Size()/PyMapping_Size() (#1096) 
raised an error.

Replace them with using concrete types API that never fails if appropriate.
 2017-04-19 20:03:52 +03:00
T. Wouters 5466d4af5f bpo-29942: Fix the use of recursion in itertools.chain.from_iterable. (#889) 
Fix the use of recursion in itertools.chain.from_iterable. Using recursion
is unnecessary, and can easily cause stack overflows, especially when
building in low optimization modes or with Py_DEBUG enabled.
 2017-03-30 09:58:35 -07:00
Serhiy Storchaka ba85d69a3e bpo-29878: Add global instances of int for 0 and 1. (#852) 2017-03-30 09:09:41 +03:00
Serhiy Storchaka fff9a31a91 bpo-29865: Use PyXXX_GET_SIZE macros rather than Py_SIZE for concrete types. (#748) 2017-03-21 08:53:25 +02:00
Serhiy Storchaka 5ab81d787f Issue #28959: Added private macro PyDict_GET_SIZE for retrieving the size of dict. 2016-12-16 16:18:57 +02:00
Victor Stinner de4ae3d486 Backed out changeset b9c9691c72c5 
Issue #28858: The change b9c9691c72c5 introduced a regression. It seems like
_PyObject_CallArg1() uses more stack memory than
PyObject_CallFunctionObjArgs().
 2016-12-04 22:59:09 +01:00
Victor Stinner 27580c1fb5 Replace PyObject_CallFunctionObjArgs() with fastcall 
* PyObject_CallFunctionObjArgs(func, NULL) => _PyObject_CallNoArg(func)
* PyObject_CallFunctionObjArgs(func, arg, NULL) => _PyObject_CallArg1(func, arg)

PyObject_CallFunctionObjArgs() allocates 40 bytes on the C stack and requires
extra work to "parse" C arguments to build a C array of PyObject*.

_PyObject_CallNoArg() and _PyObject_CallArg1() are simpler and don't allocate
memory on the C stack.

This change is part of the fastcall project. The change on listsort() is
related to the issue #23507.
 2016-12-01 14:43:22 +01:00
Serhiy Storchaka 8f0f205649 Issue #28322: Fixed possible crashes when unpickle itertools objects from 
incorrect pickle data.  Based on patch by John Leitch.
 2016-10-02 09:13:14 +03:00
Serhiy Storchaka 85c3f268f4 Issue #28322: Fixed possible crashes when unpickle itertools objects from 
incorrect pickle data.  Based on patch by John Leitch.
 2016-10-02 08:34:53 +03:00
Serhiy Storchaka 8f9cafad3d Issue #28019: itertools.count() no longer rounds non-integer step in range 
between 1.0 and 2.0 to 1.
 2016-09-10 09:53:51 +03:00