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* bpo-35233: Fix _PyMainInterpreterConfig_Copy() (GH-10519)Victor Stinner2018-11-132-14/+81
| | | | | | | | * Fix _PyMainInterpreterConfig_Copy(): copy 'install_signal_handlers' attribute * Add _PyMainInterpreterConfig_AsDict() * Add unit tests on the main interpreter configuration to test_embed.InitConfigTests * test.pythoninfo: log also main_config
* bpo-29564:_PyMem_DumpTraceback() suggests enabling tracemalloc (GH-10510)Victor Stinner2018-11-131-0/+6
| | | | | If tracemalloc is not tracing Python memory allocations, _PyMem_DumpTraceback() now suggests to enable tracemalloc to get the traceback where the memory block has been allocated.
* bpo-34784: Fix PyStructSequence_NewType with heap-allocated StructSequence ↵Eddie Elizondo2018-11-132-41/+80
| | | | (GH-9665)
* bpo-35081: Make some _PyGC macros internal (GH-10507)Victor Stinner2018-11-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | * Move "GC" macros together: * PyObject_IS_GC() * _Py_AS_GC() * _PyObject_GC_IS_TRACKED() * _PyObject_GC_MAY_BE_TRACKED() * Mark other GC macros as internal (#ifdef Py_BUILD_CORE): * _PyGCHead_NEXT(g), _PyGCHead_SET_NEXT(g, p) * _PyGCHead_PREV(g), _PyGCHead_SET_PREV(g, p) * _PyGCHead_FINALIZED(g), _PyGCHead_SET_FINALIZED(g) * _PyGC_FINALIZED(o), _PyGC_SET_FINALIZED(o) * _PyObject_GC_TRACK(o), _PyObject_GC_UNTRACK(o) * _PyGC_PREV_MASK_FINALIZED * _PyGC_PREV_MASK_COLLECTING * _PyGC_PREV_SHIFT * _PyGC_PREV_MASK * Replace _PyGC_generation0 with _PyRuntime.gc.generation0 * _queuemodule.c: replace _PyObject_GC_UNTRACK() with with PyObject_GC_UnTrack() * Document that _PyObject_GC_TRACK() _PyObject_GC_UNTRACK() macros have been removed from the public C API.
* bpo-35081: Remove Py_BUILD_CORE from datetime.h (GH-10416)Paul Ganssle2018-11-131-8/+21
| | | | | | | | | | | | | | Datetime macros like PyDate_Check() have two implementations, one using the C API capsule and one using direct access to the datetime type symbols defined in _datetimemodule.c. Since the direct access versions of the macros are only used in _datetimemodule.c, they have been moved out of "datetime.h" and into _datetimemodule.c. The _PY_DATETIME_IMPL macro is currently necessary in order to avoid both duplicate definitions of these macros in _datetimemodule.c and unnecessary declarations of C API capsule-related macros and varibles in datetime.h. Co-Authored-By: Victor Stinner <vstinner@redhat.com>
* bpo-35214: Add _Py_ prefix to MEMORY_SANITIZER def. (GH-10503)Gregory P. Smith2018-11-132-4/+4
| | | | Rename our new MEMORY_SANITIZER define to _Py_MEMORY_SANITIZER. Project based C Preprocessor namespacing at its finest. :P
* bpo-35214: Initial clang MemorySanitizer support (GH-10479)Gregory P. Smith2018-11-123-1/+19
| | | | | | | | | | Adds configure flags for msan and ubsan builds to make it easier to enable. These also encode the detail that address sanitizer and memory sanitizer should disable pymalloc. Define MEMORY_SANITIZER when appropriate at build time and adds workarounds to existing code to mark things as initialized where the sanitizer is otherwise unable to determine that. This lets our build succeed under the memory sanitizer. not all tests pass without sanitizer failures yet but we're in pretty good shape after this.
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-128-12/+12
| | | | | | | | | | | | | | 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
* bpo-35177: Add dependencies between header files (GH-10361)Victor Stinner2018-11-111-3/+2
| | | | | | | | | | | | | | * ast.h now includes Python-ast.h and node.h * parsetok.h now includes node.h and grammar.h * symtable.h now includes Python-ast.h * Modify asdl_c.py to enhance Python-ast.h: * Add #ifndef/#define Py_PYTHON_AST_H to be able to include the header twice * Add "extern { ... }" for C++ * Undefine "Yield" macro conflicting with winbase.h * Remove "#undef Yield" from C files, it's now done in Python-ast.h * Remove now useless includes in C files
* bpo-35199: Add an internal _PyTuple_ITEMS() macro (GH-10434)Victor Stinner2018-11-092-4/+4
| | | | | | | * _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].
* bpo-35081: Internal headers require Py_BUILD_CORE (GH-10363)Victor Stinner2018-11-091-0/+1
| | | | | | | | | * All internal header files now require Py_BUILD_CORE or Py_BUILD_CORE_BUILTIN to be defined. * _json.c is now compiled with Py_BUILD_CORE_BUILTIN to access pycore_accu.h header. * Add an example to Modules/Setup to show how to build _json as a built-in module; it requires non trivial compiler options.
* Fixing wording in comment. (GH-10425)Raymond Hettinger2018-11-091-1/+1
| | | | Since the n==1 case just returns *max*, it cannot be larger than the magnitude of the vector entry.
* bpo-35194: Fix a wrong constant in cp932 codec (GH-10420)Alexey Izbyshev2018-11-091-1/+1
| | | | | | | | | | | This typo doesn't affect the result because wrong bits are discarded on implicit conversion to unsigned char, but it trips UBSan with -fsanitize=implicit-integer-truncation. https://bugs.python.org/issue35194
* bpo-35081: Add pycore_fileutils.h (GH-10371)Victor Stinner2018-11-061-0/+1
| | | | Move Py_BUILD_CORE code from Include/fileutils.h to a new Include/internal/pycore_fileutils.h file.
* bpo-35081: Add _PyCoreConfig_AsDict() (GH-10362)Victor Stinner2018-11-061-147/+5
| | | | | | | | | | | | _testcapimodule.c must not include pycore_pathconfig.h, since it's an internal header files. Changes: * Add _PyCoreConfig_AsDict() function to coreconfig.c. * Remove pycore_pathconfig.h include from _testcapimodule.h. * pycore_pathconfig.h now requires Py_BUILD_CORE to be defined. * _testcapimodule.c compilation now fails if it's built with Py_BUILD_CORE defined.
* Fix possible crashes in pwdmodule.c. (GH-10331)Zackery Spytz2018-11-051-0/+2
| | | "p" was not initialized if the first PyMem_RawRealloc() call failed.
* bpo-35133: Fix mistakes when concatenate string literals on different lines. ↵Serhiy Storchaka2018-11-053-4/+4
| | | | | | | | | | (GH-10284) Two kind of mistakes: 1. Missed space. After concatenating there is no space between words. 2. Missed comma. Causes unintentional concatenating in a list of strings.
* closes bpo-32285: Add unicodedata.is_normalized. (GH-4806)Max Bélanger2018-11-042-21/+134
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* bpo-35161: Fix stack-use-after-scope in grp.getgr{nam,gid} and ↵Alexey Izbyshev2018-11-042-4/+8
| | | | | | pwd.getpw{nam,uid}. (GH-10319) Reported by ASAN.
* bpo-29341: Clarify that path-like objects are accepted in some os methods ↵BNMetrics2018-11-022-31/+31
| | | | | (GH-10101) Some methods in the os module can accept path-like objects. This is documented in the general documentation but not in the function docstrings. To keep both in sync, the docstrings need to be updated to reflect that path-like objects are also accepted.
* bpo-33578: Fix getstate/setstate for CJK decoder (GH-10290)Christopher Thorne2018-11-021-5/+22
| | | | Previous version was casting to Py_ssize_t incorrectly and exhibited unexpected behavior on big-endian systems.
* closes bpo-35139: The `pyexpat` module's macros in `Modules/Setup` now match ↵Max Bélanger2018-11-021-1/+1
| | | | | `setup.py` (GH-10289) This could cause compile errors on macOS or other platforms.
* bpo-33578: Add getstate/setstate for CJK codec (GH-6984)Christopher Thorne2018-11-014-22/+273
| | | | | | | | This implements getstate and setstate for the cjkcodecs multibyte incremental encoders/decoders, primarily to fix issues with seek/tell. The encoder getstate/setstate is slightly tricky as the "state" is pending bytes + MultibyteCodec_State but only an integer can be returned. The approach I've taken is to encode this data into a long, similar to how .tell() encodes a "cookie_type" as a long. https://bugs.python.org/issue33578
* bpo-35081: And pycore_lifecycle.h and pycore_pathconfig.h (GH-10273)Victor Stinner2018-11-013-5/+9
| | | | | | | | | | * And pycore_lifecycle.h and pycore_pathconfig.h headers to Include/internal/ * Move Py_BUILD_CORE specific code from coreconfig.h and pylifecycle.h to pycore_pathconfig.h and pycore_lifecycle.h * Move _Py_wstrlist_XXX() definitions and _PyPathConfig code from pycore_state.h to pycore_pathconfig.h * Move "Init" and "Fini" function definitions from pylifecycle.c to pycore_lifecycle.h.
* bpo-35081: Move accu.h to Include/internal/pycore_accu.h (GH-10271)Victor Stinner2018-11-012-2/+2
| | | | | | | 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".
* bpo-35081: Add _PyThreadState_GET() internal macro (GH-10266)Victor Stinner2018-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | If Py_BUILD_CORE is defined, the PyThreadState_GET() macro access _PyRuntime which comes from the internal pycore_state.h header. Public headers must not require internal headers. Move PyThreadState_GET() and _PyInterpreterState_GET_UNSAFE() from Include/pystate.h to Include/internal/pycore_state.h, and rename PyThreadState_GET() to _PyThreadState_GET() there. The PyThreadState_GET() macro of pystate.h is now redefined when pycore_state.h is included, to use the fast _PyThreadState_GET(). Changes: * Add _PyThreadState_GET() macro * Replace "PyThreadState_GET()->interp" with _PyInterpreterState_GET_UNSAFE() * Replace PyThreadState_GET() with _PyThreadState_GET() in internal C files (compiled with Py_BUILD_CORE defined), but keep PyThreadState_GET() in the public header files. * _testcapimodule.c: replace PyThreadState_GET() with PyThreadState_Get(); the module is not compiled with Py_BUILD_CORE defined. * pycore_state.h now requires Py_BUILD_CORE to be defined.
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-10-3111-21/+21
| | | | | | | | | | | | | | | | | | | | * 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".
* bpo-35081: Move Py_BUILD_CORE code to internal/mem.h (GH-10249)Victor Stinner2018-10-311-0/+1
| | | | | * Add #include "internal/mem.h" to C files using _PyMem_SetDefaultAllocator(). * Include/internal/mem.h now requires Py_BUILD_CORE to be defined.
* bpo-35062: Fix parsing _io.IncrementalNewlineDecoder's *translate* argument. ↵Xiang Zhang2018-10-311-1/+1
| | | | | | (GH-10217) _io.IncrementalNewlineDecoder's initializer possibly assigns out-of-range value to the bitwise struct field.
* bpo-33138: Change standard error message for non-pickleable and non-copyable ↵Serhiy Storchaka2018-10-316-78/+0
| | | | types. (GH-6239)
* bpo-35081: Move Include/pyatomic.c to Include/internal/ (GH-10239)Victor Stinner2018-10-301-0/+2
| | | Add pyatomic.h to the VS project (it wasn't referenced).
* bpo-31680: Add curses.ncurses_version. (GH-4217)Serhiy Storchaka2018-10-301-0/+77
| | | | Use curses.ncurses_version for conditionally skipping a test.
* Fix a possible "double decref" in termios.tcgetattr(). (GH-10194)Zackery Spytz2018-10-291-2/+2
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* bpo-35090: Fix potential division by zero in allocator wrappers (GH-10174)Alexey Izbyshev2018-10-283-5/+5
| | | | | | | * Fix potential division by zero in BZ2_Malloc() * Avoid division by zero in PyLzma_Malloc() * Avoid division by zero and integer overflow in PyZlib_Malloc() Reported by Svace static analyzer.
* bpo-34672: fix a compiler warning in timemodule.c (GH-10176)Xiang Zhang2018-10-281-1/+1
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* bpo-9263: Use _PyObject_ASSERT() in gcmodule.c (GH-10112)Victor Stinner2018-10-261-46/+56
| | | | | | | | | | Replace assert() with _PyObject_ASSERT() in Modules/gcmodule.c to dump the faulty object on assertion failure to ease debugging. Fix also indentation of a large comment. Initial patch written by David Malcolm. Co-Authored-By: David Malcolm <dmalcolm@redhat.com>
* bpo-35059, libmpdec: Add missing EXTINLINE in mpdecimal.h (GH-10128)Victor Stinner2018-10-261-5/+5
| | | | | | | | | | | | | Declare functions with EXTINLINE: * mpd_del() * mpd_uint_zero() * mpd_qresize() * mpd_qresize_zero() * mpd_minalloc() These functions are implemented with "inline" or "ALWAYS_INLINE", but declared without inline which cause linker error on Visual Studio in Debug mode when using /Ob1.
* bpo-35053: Define _PyTraceMalloc_NewReference in object.h (GH-10107)Victor Stinner2018-10-251-0/+3
| | | | | | _PyTraceMalloc_NewReference() is now called by _Py_NewReference(), so move its definition to object.h. Moreover, define it even if Py_LIMITED_API is defined, since _Py_NewReference() is also exposed even if Py_LIMITED_API is defined.
* bpo-9263: Dump Python object on GC assertion failure (GH-10062)Victor Stinner2018-10-252-9/+13
| | | | | | | | | | | | | | | | | | | | | | | Changes: * Add _PyObject_AssertFailed() function. * Add _PyObject_ASSERT() and _PyObject_ASSERT_WITH_MSG() macros. * gc_decref(): replace assert() with _PyObject_ASSERT_WITH_MSG() to dump the faulty object if the assertion fails. _PyObject_AssertFailed() calls: * _PyMem_DumpTraceback(): try to log the traceback where the object memory has been allocated if tracemalloc is enabled. * _PyObject_Dump(): log repr(obj). * Py_FatalError(): log the current Python traceback. _PyObject_AssertFailed() uses _PyObject_IsFreed() heuristic to check if the object memory has been freed by a debug hook on Python memory allocators. Initial patch written by David Malcolm. Co-Authored-By: David Malcolm <dmalcolm@redhat.com>
* bpo-35059: Add Py_STATIC_INLINE() macro (GH-10093)Victor Stinner2018-10-251-0/+22
| | | | | | | | | * Add Py_STATIC_INLINE() macro to declare a "static inline" function. If the compiler supports it, try to always inline the function even if no optimization level was specified. * Modify pydtrace.h to use Py_STATIC_INLINE() when WITH_DTRACE is not defined. * Add an unit test on Py_DECREF() to make sure that _Py_NegativeRefcount() reports the correct filename.
* bpo-35053: Enhance tracemalloc to trace free lists (GH-10063)Victor Stinner2018-10-251-51/+84
| | | | | | | | | | | | tracemalloc now tries to update the traceback when an object is reused from a "free list" (optimization for faster object creation, used by the builtin list type for example). Changes: * Add _PyTraceMalloc_NewReference() function which tries to update the Python traceback of a Python object. * _Py_NewReference() now calls _PyTraceMalloc_NewReference(). * Add an unit test.
* bpo-34794: Fix a leak in Tkinter. (GH-10025)Serhiy Storchaka2018-10-231-3/+1
| | | Based on the investigation by Xiang Zhang.
* Fix error handling bugs in _elementtree.c. (GH-10060)Zackery Spytz2018-10-231-11/+11
| | | | References could leak, NULL could be dereferenced, and the Expat parser could be double freed when some errors raised.
* bpo-34454: Clean up datetime.fromisoformat surrogate handling (GH-8959)Paul Ganssle2018-10-221-72/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Use _PyUnicode_Copy in sanitize_isoformat_str * Use repr in fromisoformat error message This reverses commit 67b74a98b2 per Serhiy Storchaka's suggestion: I suggested to use %R in the error message because including the raw string can be confusing in the case of empty string, or string containing trailing whitespaces, invisible or unprintable characters. We agree that it is better to change both the C and pure Python versions to use repr. * Retain non-sanitized dtstr for error printing This does not create an extra string, it just holds on to a reference to the original input string for purposes of creating the error message. * PEP 7 fixes to from_isoformat * Separate handling of Unicode and other errors In the initial implementation, errors other than encoding errors would both raise an error indicating an invalid format, which would not be true for errors like MemoryError. * Drop needs_decref from _sanitize_isoformat_str Instead _sanitize_isoformat_str returns a new reference, even to the original string.
* bpo-29843: raise AttributeError if given negative _length_ (GH-10029)Tal Einat2018-10-221-5/+20
| | | | | | | | Raise ValueError OverflowError in case of a negative _length_ in a ctypes.Array subclass. Also raise TypeError instead of AttributeError for non-integer _length_. Co-authored-by: Oren Milman <orenmn@gmail.com>
* closes bpo-35025: Properly guard the `CLOCK_GETTIME` et al macros in ↵Max Bélanger2018-10-211-0/+4
| | | | | timemodule.c. (GH-9961) Guard the `CLOCK_GETTIME` et al macros in `timemodule` based on the availability of the parent functions
* bpo-34983: Expose symtable.Symbol.is_nonlocal() in the symtable module (GH-9872)Pablo Galindo2018-10-201-0/+1
| | | | The symbol table was not exposing functionality to query the nonlocal symbols in a function or to check if a particular symbol is nonlocal.
* bpo-32890, os: Use errno instead of GetLastError() in execve() and ↵Alexey Izbyshev2018-10-201-3/+15
| | | | | | | | | | truncate() (GH-5784) path_error() uses GetLastError() on Windows, but some os functions are implemented via CRT APIs which report errors via errno. This may result in raising OSError with invalid error code (such as zero). Introduce posix_path_error() function and use it where appropriate.
* bpo-32236: open() emits RuntimeWarning if buffering=1 for binary mode (GH-4842)Alexey Izbyshev2018-10-201-0/+9
| | | | | | | | | If buffering=1 is specified for open() in binary mode, it is silently treated as buffering=-1 (i.e., the default buffer size). Coupled with the fact that line buffering is always supported in Python 2, such behavior caused several issues (e.g., bpo-10344, bpo-21332). Warn that line buffering is not supported if open() is called with binary mode and buffering=1.
* Elaborate datetime.timedelta docstring (GH-7458)Chris Barker2018-10-191-1/+5
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