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* bpo-31619: Fixed integer overflow in converting huge strings to int. (#3884)Serhiy Storchaka2017-12-031-3/+11
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* bpo-32137: The repr of deeply nested dict now raises a RecursionError (#4570)Serhiy Storchaka2017-12-033-6/+5
| | | | | instead of crashing due to a stack overflow. This perhaps will fix similar problems in other extension types.
* bpo-32176: Set CO_NOFREE in the code object constructor (GH-4675)Nick Coghlan2017-12-031-1/+9
| | | | | | | | Previously, CO_NOFREE was set in the compiler, which meant it could end up being set incorrectly when code objects were created directly. Setting it in the constructor based on freevars and cellvars ensures it is always accurate, regardless of how the code object is defined.
* bpo-32030: Cleanup "path config" code (#4663)Victor Stinner2017-12-011-12/+12
| | | | | | | | | | * Rename PyPathConfig structure to _PyPathConfig and move it to Include/internal/pystate.h * Rename path_config to _Py_path_config * _PyPathConfig: Rename program_name field to program_full_path * Add assert(str != NULL); to _PyMem_RawWcsdup(), _PyMem_RawStrdup() and _PyMem_Strdup(). * Rename calculate_path() to pathconfig_global_init(). The function now does nothing if it's already initiallized.
* bpo-32030: Rework memory allocators (#4625)Victor Stinner2017-11-291-93/+199
| | | | | | | | | | | | | | | | | | | | * Fix _PyMem_SetupAllocators("debug"): always restore allocators to the defaults, rather than only caling _PyMem_SetupDebugHooks(). * Add _PyMem_SetDefaultAllocator() helper to set the "default" allocator. * Add _PyMem_GetAllocatorsName(): get the name of the allocators * main() now uses debug hooks on memory allocators if Py_DEBUG is defined, rather than calling directly malloc() * Document default memory allocators in C API documentation * _Py_InitializeCore() now fails with a fatal user error if PYTHONMALLOC value is an unknown memory allocator, instead of failing with a fatal internal error. * Add new tests on the PYTHONMALLOC environment variable * Add support.with_pymalloc() * Add the _testcapi.WITH_PYMALLOC constant and expose it as support.with_pymalloc(). * sysconfig.get_config_var('WITH_PYMALLOC') doesn't work on Windows, so replace it with support.with_pymalloc(). * pythoninfo: add _testcapi collector for pymem
* bpo-32030: Add _PyMainInterpreterConfig_ReadEnv() (#4542)Victor Stinner2017-11-241-0/+18
| | | | | | | | | | | | | | | | | | Py_GetPath() and Py_Main() now call _PyMainInterpreterConfig_ReadEnv() to share the same code to get environment variables. Changes: * Add _PyMainInterpreterConfig_ReadEnv() * Add _PyMainInterpreterConfig_Clear() * Add _PyMem_RawWcsdup() * _PyMainInterpreterConfig: rename pythonhome to home * Rename _Py_ReadMainInterpreterConfig() to _PyMainInterpreterConfig_Read() * Use _Py_INIT_USER_ERR(), instead of _Py_INIT_ERR(), for decoding errors: the user is able to fix the issue, it's not a bug in Python. Same change was made in _Py_INIT_NO_MEMORY(). * Remove _Py_GetPythonHomeWithConfig()
* bpo-32096: Remove obj and mem from _PyRuntime (#4532)Victor Stinner2017-11-241-186/+647
| | | | | | | | | | | | | | | | | bpo-32096, bpo-30860: Partially revert the commit 2ebc5ce42a8a9e047e790aefbf9a94811569b2b6: * Move structures back from Include/internal/mem.h to Objects/obmalloc.c * Remove _PyObject_Initialize() and _PyMem_Initialize() * Remove Include/internal/pymalloc.h * Add test_capi.test_pre_initialization_api(): Make sure that it's possible to call Py_DecodeLocale(), and then call Py_SetProgramName() with the decoded string, before Py_Initialize(). PyMem_RawMalloc() and Py_DecodeLocale() can be called again before _PyRuntimeState_Init(). Co-Authored-By: Eric Snow <ericsnowcurrently@gmail.com>
* bpo-31979: Remove unused align_maxchar() function (#4527)Victor Stinner2017-11-231-13/+0
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* bpo-32030: Add more options to _PyCoreConfig (#4485)Victor Stinner2017-11-213-36/+9
| | | | | | Py_Main() now handles two more -X options: * -X showrefcount: new _PyCoreConfig.show_ref_count field * -X showalloccount: new _PyCoreConfig.show_alloc_count field
* bpo-32043: New "developer mode": "-X dev" option (#4413)Victor Stinner2017-11-161-10/+9
| | | | | | | | | | | | | Add a new "developer mode": new "-X dev" command line option to enable debug checks at runtime. Changes: * Add unit tests for -X dev * test_cmd_line: replace test.support with support. * Fix _PyRuntimeState_Fini(): Use the same memory allocator than _PyRuntimeState_Init(). * Fix _PyMem_GetDefaultRawAllocator()
* bpo-32030: Split Py_Main() into subfunctions (#4399)Victor Stinner2017-11-151-36/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Don't use "Python runtime" anymore to parse command line options or to get environment variables: pymain_init() is now a strict separation. * Use an error message rather than "crashing" directly with Py_FatalError(). Limit the number of calls to Py_FatalError(). It prepares the code to handle errors more nicely later. * Warnings options (-W, PYTHONWARNINGS) and "XOptions" (-X) are now only added to the sys module once Python core is properly initialized. * _PyMain is now the well identified owner of some important strings like: warnings options, XOptions, and the "program name". The program name string is now properly freed at exit. pymain_free() is now responsible to free the "command" string. * Rename most methods in Modules/main.c to use a "pymain_" prefix to avoid conflits and ease debug. * Replace _Py_CommandLineDetails_INIT with memset(0) * Reorder a lot of code to fix the initialization ordering. For example, initializing standard streams now comes before parsing PYTHONWARNINGS. * Py_Main() now handles errors when adding warnings options and XOptions. * Add _PyMem_GetDefaultRawAllocator() private function. * Cleanup _PyMem_Initialize(): remove useless global constants: move them into _PyMem_Initialize(). * Call _PyRuntime_Initialize() as soon as possible: _PyRuntime_Initialize() now returns an error message on failure. * Add _PyInitError structure and following macros: * _Py_INIT_OK() * _Py_INIT_ERR(msg) * _Py_INIT_USER_ERR(msg): "user" error, don't abort() in that case * _Py_INIT_FAILED(err)
* bpo-30399: Get rid of trailing comma in the repr of BaseException. (#1650)Serhiy Storchaka2017-11-151-1/+5
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* bpo-16055: Fixes incorrect error text for int('1', base=1000) (#4376)Sanyam Khurana2017-11-131-1/+1
| | | | | | * bpo-16055: Fixes incorrect error text for int('1', base=1000) * bpo-16055: Address review comments
* bpo-31979: Simplify transforming decimals to ASCII (#4336)Serhiy Storchaka2017-11-134-124/+47
| | | | | in int(), float() and complex() parsers. This also speeds up parsing non-ASCII numbers by around 20%.
* bpo-31572: Get rid of _PyObject_HasAttrId() in dict and OrderedDict. (#3728)Serhiy Storchaka2017-11-112-21/+47
| | | | | Silence only AttributeError when get "key" and "items" attributes in the constructor and the update() method of dict and OrderedDict .
* Add the const qualifier to "char *" variables that refer to literal strings. ↵Serhiy Storchaka2017-11-117-21/+24
| | | | (#4370)
* Replace KB unit with KiB (#4293)Victor Stinner2017-11-082-2/+2
| | | | | | | | | | | kB (*kilo* byte) unit means 1000 bytes, whereas KiB ("kibibyte") means 1024 bytes. KB was misused: replace kB or KB with KiB when appropriate. Same change for MB and GB which become MiB and GiB. Change the output of Tools/iobench/iobench.py. Round also the size of the documentation from 5.5 MB to 5 MiB.
* bpo-31626: Mark ends of the reallocated block in debug build. (#4210)Serhiy Storchaka2017-11-071-19/+57
| | | | | | Few bytes at the begin and at the end of the reallocated blocks, as well as the header and the trailer, now are erased before calling realloc() in debug build. This will help to detect using or double freeing the reallocated block.
* Fix miscellaneous typos (#4275)luzpaz2017-11-051-1/+1
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* bpo-23699: Use a macro to reduce boilerplate code in rich comparison ↵stratakis2017-11-028-214/+31
| | | | functions (GH-793)
* bpo-18835: Cleanup pymalloc (#4200)Victor Stinner2017-10-311-472/+533
| | | | | | | | | | | | | | | | | | | | | | | | | | | Cleanup pymalloc: * Rename _PyObject_Alloc() to pymalloc_alloc() * Rename _PyObject_FreeImpl() to pymalloc_free() * Rename _PyObject_Realloc() to pymalloc_realloc() * pymalloc_alloc() and pymalloc_realloc() don't fallback on the raw allocator anymore, it now must be done by the caller * Add "success" and "failed" labels to pymalloc_alloc() and pymalloc_free() * pymalloc_alloc() and pymalloc_free() don't update num_allocated_blocks anymore: it should be done in the caller * _PyObject_Calloc() is now responsible to fill the memory block allocated by pymalloc with zeros * Simplify pymalloc_alloc() prototype * _PyObject_Realloc() now calls _PyObject_Malloc() rather than calling directly pymalloc_alloc() _PyMem_DebugRawAlloc() and _PyMem_DebugRawRealloc(): * document the layout of a memory block * don't increase the serial number if the allocation failed * check for integer overflow before computing the total size * add a 'data' variable to make the code easiler to follow test_setallocators() of _testcapimodule.c now test also the context.
* bpo-31626: Fixed a bug in debug memory allocator. (#3844)Serhiy Storchaka2017-10-311-11/+2
| | | | Removed a code that incorrectly detected in-place resizing in realloc() and wrote to freed memory.
* bpo-20047: Make bytearray methods partition() and rpartition() rejecting (#4158)Serhiy Storchaka2017-10-286-28/+51
| | | separators that are not bytes-like objects.
* bpo-30697: Fix PyErr_NormalizeException() when no memory (GH-2327)xdegaye2017-10-261-32/+0
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* bpo-31835: Optimize also FASTCALL using __future__ (#4087)Victor Stinner2017-10-251-2/+2
| | | | | _PyFunction_FastCallDict() and _PyFunction_FastCallKeywords() now also takes the fast path if the code object uses __future__ (CO_FUTURE_xxx flags).
* Move exc state to generator. Fixes bpo-25612 (#1773)Mark Shannon2017-10-222-23/+36
| | | Move exception state information from frame objects to coroutine (generator/thread) object where it belongs.
* bpo-31825: Fixed OverflowError in the 'unicode-escape' codec (#4058)Serhiy Storchaka2017-10-202-2/+2
| | | | and in codecs.escape_decode() when decode an escaped non-ascii byte.
* bpo-28280: Make PyMapping_Keys(), PyMapping_Values() and PyMapping_Items() ↵Oren Milman2017-10-081-27/+49
| | | | always return a list (#3840)
* bpo-31655: Validate keyword names in SimpleNamespace constructor. (#3909)Serhiy Storchaka2017-10-071-1/+5
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* bpo-31709: Drop support for asynchronous __aiter__. (#3903)Yury Selivanov2017-10-061-94/+0
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* bpo-31619: Fixed a ValueError when convert a string with large number of ↵Serhiy Storchaka2017-10-031-4/+4
| | | | | underscores (#3827) to integer with binary base.
* bpo-31336: Speed up type creation. (#3279)scoder2017-10-011-52/+108
| | | | | Speed up class creation by 10-20% by reducing the overhead in the necessary special method lookups.
* bpo-31579: Fixed a possible leak in enumerate() with large indices. (#3753)Serhiy Storchaka2017-09-261-2/+6
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* bpo-26491 Defer DECREFs until enumobject is in a consistent state (#3747)Raymond Hettinger2017-09-251-18/+30
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* bpo-31410: Optimized calling wrapper and classmethod descriptors. (#3481)Serhiy Storchaka2017-09-211-29/+33
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* bpo-27541: Reprs of subclasses of some classes now contain actual type name. ↵Serhiy Storchaka2017-09-211-6/+10
| | | | | (#3631) Affected classes are bytearray, array, deque, defaultdict, count and repeat.
* bpo-30486: Make cell_set_contents() symbol private (#3668)Victor Stinner2017-09-201-1/+1
| | | Don't export the cell_set_contents() symbol in the C API.
* bpo-31506: Improve the error message logic for object.__new__ and ↵Serhiy Storchaka2017-09-201-10/+21
| | | | object.__init__. (GH-3650)
* bpo-31492: Fix assertion failures in case of a module with a bad __name__ ↵Oren Milman2017-09-191-4/+1
| | | | attribute. (#3620)
* bpo-31497: Add private helper _PyType_Name(). (#3630)Serhiy Storchaka2017-09-173-25/+19
| | | | This function returns the last component of tp_name after a dot. Returns tp_name itself if it doesn't contain a dot.
* bpo-28411: Support other mappings in PyInterpreterState.modules. (#3593)Eric Snow2017-09-151-3/+1
| | | | | The concrete PyDict_* API is used to interact with PyInterpreterState.modules in a number of places. This isn't compatible with all dict subclasses, nor with other Mapping implementations. This patch switches the concrete API usage to the corresponding abstract API calls. We also add a PyImport_GetModule() function (and some other helpers) to reduce a bunch of code duplication.
* bpo-31338 (#3374)Barry Warsaw2017-09-156-70/+46
| | | | | | | * Add Py_UNREACHABLE() as an alias to abort(). * Use Py_UNREACHABLE() instead of assert(0) * Convert more unreachable code to use Py_UNREACHABLE() * Document Py_UNREACHABLE() and a few other macros.
* bpo-30860: Fix deadcode in obmalloc.c (#3499)Victor Stinner2017-09-141-2/+2
| | | | | | Fix Coverity CID 1417587: _PyMem_Initialize() contains code which is never executed. Replace the runtime check with a build assertion.
* bpo-28411: Isolate PyInterpreterState.modules (#3575)Eric Snow2017-09-142-5/+11
| | | | | A bunch of code currently uses PyInterpreterState.modules directly instead of PyImport_GetModuleDict(). This complicates efforts to make changes relative to sys.modules. This patch switches to using PyImport_GetModuleDict() uniformly. Also, a number of related uses of sys.modules are updated for uniformity for the same reason. Note that this code was already reviewed and merged as part of #1638. I reverted that and am now splitting it up into more focused parts.
* bpo-30860: Fix a refleak. (#3567)Eric Snow2017-09-141-12/+15
| | | | | Resolves bpo-31420. (This was accidentally reverted when in #3565.)
* bpo-31404: Revert "remove modules from Py_InterpreterState (#1638)" (#3565)Eric Snow2017-09-143-25/+17
| | | PR #1638, for bpo-28411, causes problems in some (very) edge cases. Until that gets sorted out, we're reverting the merge. PR #3506, a fix on top of #1638, is also getting reverted.
* bpo-31462: Remove trailing whitespaces. (#3564)Serhiy Storchaka2017-09-142-2/+2
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* bpo-30860: Fix a refleak. (#3506)Eric Snow2017-09-121-12/+15
| | | | | | | | | | | | | | * Drop warnoptions from PyInterpreterState. * Drop xoptions from PyInterpreterState. * Don't set warnoptions and _xoptions again. * Decref after adding to sys.__dict__. * Drop an unused macro. * Check sys.xoptions *before* we delete it.
* bpo-31373: remove overly strict float range checks (#3486)Benjamin Peterson2017-09-111-2/+2
| | | | | This undoes a853a8ba7850381d49b284295dd6f0dc491dbe44 except for the pytime.c parts. We want to continue to allow IEEE 754 doubles larger than FLT_MAX to be rounded into finite floats. Tests were added to very this behavior.
* replace custom table with pyctype (#3456)Benjamin Peterson2017-09-081-12/+1
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