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76 Commits

Author SHA1 Message Date
Sergey Fedoseev e5f6207ba6 bpo-34303: Micro-optimizations in functools.reduce() (GH-8598) 2019-06-01 13:32:17 -07:00
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
Jeroen Demeyer c145f3bfbe bpo-36974: remove _PyObject_HasFastCall (GH-13460) 2019-05-30 12:43:58 +02:00
Jeroen Demeyer eb65e2443a bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338) 
Co-authored-by: Mark Shannon <mark@hotpy.org>
 2019-05-28 14:42:53 +02:00
Raymond Hettinger 14adbd4598
bpo-36650: Fix handling of empty keyword args in C version of lru_cache. (GH-12881) 2019-04-20 07:20:44 -10:00
Raymond Hettinger 2dda72a2e8 lru_cache: Add more comments. Fix comment typos. Clarify a comment. (GH-11795) 2019-02-08 18:55:02 -08:00
Raymond Hettinger ffdf1c30ab
Consistently move the misses update to just before the user function call (GH-11715) 2019-01-31 15:03:38 -08:00
Raymond Hettinger d8080c0119
bpo-35780: Fix errors in lru_cache() C code (GH-11623) 2019-01-26 03:02:00 -05:00
Serhiy Storchaka 62be74290a
bpo-33012: Fix invalid function cast warnings with gcc 8. (GH-6749) 
Fix invalid function cast warnings with gcc 8
for method conventions different from METH_NOARGS, METH_O and
METH_VARARGS excluding Argument Clinic generated code.
 2018-11-27 13:27:31 +02:00
Victor Stinner ec13b9322d
bpo-35081: Add Include/internal/pycore_tupleobject.h (GH-10705) 
Move _PyTuple_ITEMS() to a new header file:
Include/internal/pycore_tupleobject.h
 2018-11-25 23:56:17 +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 d17a693fa0
bpo-35199: Add an internal _PyTuple_ITEMS() macro (GH-10434) 
* _PyTuple_ITEMS() gives access to the tuple->ob_item field and cast the
  first argument to PyTupleObject*. This internal macro is only usable if
  Py_BUILD_CORE is defined.
* Replace &PyTuple_GET_ITEM(ob, 0) with _PyTuple_ITEMS(ob).
* Replace PyTuple_GET_ITEM(op, 1) with &_PyTuple_ITEMS(ob)[1].
 2018-11-09 16:56:48 +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
INADA Naoki 3070b71e5e
bpo-32422: Reduce lru_cache memory usage (GH-5008) 2017-12-26 02:03:24 +09:00
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
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
INADA Naoki a6296d34a4 bpo-31095: fix potential crash during GC (GH-2974) 2017-08-24 14:55:17 +09:00
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 3c749fc867 Simplify partial.__new__. (#813) 
Fast paths in partial.__new__ no longer needed since concatenating with empty
tuple was optimized.
 2017-03-25 11:10:16 +01:00
Michael Seifert 6c3d527468 bpo-29800: Fix crashes in partial.__repr__ if the keys of partial.keywords are not strings (#649) 2017-03-15 07:26:33 +02:00
Victor Stinner 0f7b0b397e bpo-29735: Optimize partial_call(): avoid tuple (#516) 
* Add _PyObject_HasFastCall()
* partial_call() now avoids temporary tuple to pass positional
  arguments if the callable supports the FASTCALL calling convention
  for positional arguments.
* Fix also a performance regression in partial_call() if the callable
  doesn't support FASTCALL.
 2017-03-14 21:37:20 +01:00
Victor Stinner 561ca80cff Document why functools.partial() must copy kwargs (#253) 
Add a comment to prevent further attempts to avoid a copy for
optimization.
 2017-02-23 18:26:43 +01:00
Serhiy Storchaka 9639e4ab6d bpo-29532: Altering a kwarg dictionary passed to functools.partial() (#190) 
no longer affects a partial object after creation.
 2017-02-20 14:04:30 +02:00
Serhiy Storchaka 617c7753ce Issue #28969: Fixed race condition in C implementation of functools.lru_cache. 
KeyError could be raised when cached function with full cache was
simultaneously called from differen threads with the same uncached arguments.
 2017-01-12 19:42:20 +02:00
Serhiy Storchaka 42e1ea9a10 Issue #28969: Fixed race condition in C implementation of functools.lru_cache. 
KeyError could be raised when cached function with full cache was
simultaneously called from differen threads with the same uncached arguments.
 2017-01-12 19:12:21 +02:00
Serhiy Storchaka 67796521dd Issue #28969: Fixed race condition in C implementation of functools.lru_cache. 
KeyError could be raised when cached function with full cache was
simultaneously called from differen threads with the same uncached arguments.
 2017-01-12 18:34:33 +02:00
Raymond Hettinger 68191f8a9c Backed out changeset ea064ff3c10f 2017-01-09 07:39:46 -08:00
Raymond Hettinger 9d60b94427 Sync-up lru_cache() C code with space saving feature in the Python version. 2017-01-08 19:34:28 -08:00
Raymond Hettinger dda44682c6 Complete the merge for issue #29203 2017-01-08 18:04:30 -08:00
Raymond Hettinger 4ee39141e8 Issue #29203: functools.lru_cache() now respects PEP 468 2017-01-08 17:28:20 -08:00
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 a5ed5f000a Use _PyObject_CallNoArg() 
Replace:
    PyObject_CallObject(callable, NULL)
with:
    _PyObject_CallNoArg(callable)
 2016-12-06 18:45:50 +01:00
Yury Selivanov 0a66a1cdd6 Merge 3.6 (issue #28653) 2016-11-09 18:56:26 -05:00
Yury Selivanov 46a02db90b Issue #28653: Fix a refleak in functools.lru_cache. 2016-11-09 18:55:45 -05:00
Nick Coghlan 457fc9a69e Issue #27137: align Python & C implementations of functools.partial 
The pure Python fallback implementation of functools.partial
now matches the behaviour of its accelerated C counterpart for
subclassing, pickling and text representation purposes.

Patch by Emanuel Barry and Serhiy Storchaka.
 2016-09-10 20:00:02 +10:00
Victor Stinner f4d28d4385 Issue #27809: partial_call() uses fast call for positional args 2016-08-23 16:22:35 +02:00
Victor Stinner 559bb6a713 Rename _PyObject_FastCall() to _PyObject_FastCallDict() 
Issue #27809:

* Rename _PyObject_FastCall() function to _PyObject_FastCallDict()
* Add _PyObject_FastCall(), _PyObject_CallNoArg() and _PyObject_CallArg1()
  macros calling _PyObject_FastCallDict()
 2016-08-22 22:48:54 +02:00
Victor Stinner f7a4c488b5 keyobject_richcompare() now uses fast call 
Issue #27128: keyobject_richcompare() now calls _PyObject_FastCall() using a
small stack allocated on the C stack to avoid a temporary tuple.
 2016-08-19 18:52:35 +02:00
Serhiy Storchaka 179f960d47 Issue #25455: Fixed a crash in repr of recursive functools.partial objects. 2016-06-12 11:44:06 +03:00
Serhiy Storchaka 864b63c33f Issue #26200: Restored more safe usages of Py_SETREF. 2016-04-11 09:53:37 +03:00
Serhiy Storchaka 48842714b9 Issue #22570: Renamed Py_SETREF to Py_XSETREF. 2016-04-06 09:45:48 +03:00
Serhiy Storchaka 3874128519 Issue #25945: Fixed bugs in functools.partial. 
Fixed a crash when unpickle the functools.partial object with wrong state.
Fixed a leak in failed functools.partial constructor.
"args" and "keywords" attributes of functools.partial have now always types
tuple and dict correspondingly.
 2016-02-02 18:45:17 +02:00
Serhiy Storchaka e4d65e3aab Issue #25447: Copying the lru_cache() wrapper object now always works, 
independedly from the type of the wrapped object (by returning the original
object unchanged).
 2015-12-28 23:58:07 +02:00
Serhiy Storchaka 45120f272b Issue #25447: The lru_cache() wrapper objects now can be copied and pickled 
(by returning the original object unchanged).
 2015-10-24 09:49:56 +03:00
Serhiy Storchaka b9d98d532c Issue #24483: C implementation of functools.lru_cache() now calculates key's 
hash only once.
 2015-10-02 12:47:11 +03:00
Serhiy Storchaka 374164c2f5 Issue #14373: Fixed segmentation fault when gc.collect() is called during 
constructing lru_cache (C implementation).
 2015-07-25 12:10:21 +03:00
Serhiy Storchaka e7070f09bc Issue #14373: C implementation of functools.lru_cache() now can be used with 
methods.
 2015-06-08 11:19:24 +03:00
Serhiy Storchaka 46c5611948 Backed out changeset: b0a0b9b59012 2015-05-24 21:53:49 +03:00
Larry Hastings 8252cc9832 Backed out changeset 57776eee74f2 2015-05-23 14:56:23 -07:00
Serhiy Storchaka 1c858c352b Issue #14373: Added C implementation of functools.lru_cache(). Based on 
patches by Matt Joiner and Alexey Kachayev.
 2015-05-23 22:42:49 +03:00