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* bpo-34170, test_embed: write Py_Initialize() tests (GH-8484)Victor Stinner2018-07-261-1/+6
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* bpo-34170: Cleanup pymain_read_conf() (GH-8476)Victor Stinner2018-07-261-2/+7
| | | | | | | | | | * Config: Rename ignore_environment field to use_environment. * _PyCoreConfig_Read(): if isolated is set, use_environment and site_import are now always set to 0. * Inline pymain_free_raw() into pymain_free() * Move config_init_warnoptions() call into pymain_read_conf_impl() * _PyCoreConfig_Read(): don't replace values if they are already set: faulthandler, pycache_prefix, home.
* bpo-20260: Implement non-bitwise unsigned int converters for Argument ↵Serhiy Storchaka2018-07-261-0/+8
| | | | Clinic. (GH-8434)
* bpo-34170: Enhance _PyCoreConfig_Read() (GH-8468)Victor Stinner2018-07-262-7/+15
| | | | | | | | | | | | * Inline cmdline_get_env_flags() into config_read_env_vars(): _PyCoreConfig_Read() now reads much more environment variables like PYTHONVERBOSE. * Allow to override faulthandler and allocator even if dev_mode=1. PYTHONMALLOC is now the priority over PYTHONDEVMODE. * Fix _PyCoreConfig_Copy(): copy also install_signal_handlers, coerce_c_locale and coerce_c_locale_warn * _PyCoreConfig.install_signal_handlers default is now 1: install signals by default * Fix also a compiler warning: don't define _PyPathConfig type twice.
* bpo-34228: Allow PYTHONTRACEMALLOC=0 (GH-8467)Victor Stinner2018-07-251-0/+1
| | | | | PYTHONTRACEMALLOC=0 environment variable and -X tracemalloc=0 command line option are now allowed to disable explicitly tracemalloc at startup.
* bpo-34170: Add _Py_InitializeFromConfig() (GH-8454)Victor Stinner2018-07-252-5/+9
| | | | | | | | | | | | | | * If _Py_InitializeCore() is called twice, the second call now copies and apply (partially) the new configuration. * Rename _Py_CommandLineDetails to _PyCmdline * Move more code into pymain_init(). The core configuration created by Py_Main() is new destroyed before running Python to reduce the memory footprint. * _Py_InitializeCore() now returns the created interpreter. _Py_InitializeMainInterpreter() now expects an interpreter. * Remove _Py_InitializeEx_Private(): _freeze_importlib now uses _Py_InitializeFromConfig() * _PyCoreConfig_InitPathConfig() now only computes the path configuration if needed.
* bpo-34170: Add _PyCoreConfig.bytes_warning (GH-8447)Victor Stinner2018-07-241-2/+142
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add more fields to _PyCoreConfig: * _check_hash_pycs_mode * bytes_warning * debug * inspect * interactive * legacy_windows_fs_encoding * legacy_windows_stdio * optimization_level * quiet * unbuffered_stdio * user_site_directory * verbose * write_bytecode Changes: * Remove pymain_get_global_config() and pymain_set_global_config() which became useless. These functions have been replaced by _PyCoreConfig_GetGlobalConfig() and _PyCoreConfig_SetGlobalConfig(). * sys.flags.dont_write_bytecode value is now restricted to 1 even if -B option is specified multiple times on the command line. * PyThreadState_Clear() now uses the config from the current interpreter rather than using global Py_VerboseFlag
* bpo-34170: Add _PyCoreConfig.isolated (GH-8417)Victor Stinner2018-07-243-15/+35
| | | | | | | | | | | | | | | * _PyCoreConfig: add isolated and site_import attributes * Replace Py_IgnoreEnvironment with config->ignore_environment when reading the current configuration * _PyCoreConfig_Read() now sets ignore_environment, utf8_mode, isolated and site_import from Py_IgnoreEnvironment, Py_UTF8Mode, Py_IsolatedFlag and Py_NoSiteFlag * _Py_InitializeCore() now sets Py_xxx flags from the configuration * pymain_read_conf() now uses _PyCoreConfig_Copy() to save/restore the configuration. * Rename _disable_importlib of _PyCoreConfig to _install_importlib * _PyCoreConfig_SetGlobalConfig() now also set Py_HashRandomizationFlag * Replace !Py_NoSiteFlag with core_config->site_import
* bpo-33720: Refactor marshalling/unmarshalling floats. (GH-8071)Serhiy Storchaka2018-07-241-2/+4
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* bpo-34170: _PyCoreConfig_Read() leaves Py_IsolatedFlag unchanged (GH-8361)Victor Stinner2018-07-212-3/+17
| | | | | | | | | | * _PyCoreConfig_Read() no longer directly modifies Py_IsolatedFlag and Py_NoSiteFlag global configuration flags. The function now requires two pointers to integer, so these flags can be set later, to avoid side effets in _PyCoreConfig_Read(). * pathconfig_global_init() now leaves Py_IsolatedFlag and Py_NoSiteFlag unchanged. * Fix pathconfig_global_init(): avoid computing the path configuration twice, use _PyCoreConfig_SetPathConfig().
* bpo-34170: Rework _PyCoreConfig_Read() to avoid side effect (GH-8353)Victor Stinner2018-07-213-4/+18
| | | | | | | | | | | | | | | | | | | | | | | | | Rework _PyCoreConfig_Read() function which *reads* core configuration to not *modify* the path configuration. A new _PyCoreConfig_SetPathConfig() function now recreates the path configuration from the core configuration. This function is now called very late in _Py_InitializeCore(), just before calling initimport(). Changes: * Add _PyCoreConfig.dll_path * Py_SetPath() now fails with a fatal python error on memory allocation failure. * Rename _PyPathConfig_Calculate() to _PyPathConfig_Calculate_impl() * Replace _PyPathConfig_Init() with _PyPathConfig_Calculate(): the function now requires a _PyPathConfig * Add _PyPathConfig_SetGlobal() to set the _Py_path_config global variable. * Add _PyCoreConfig_InitPathConfig(): compute the path configuration * Add _PyCoreConfig_SetPathConfig(): set path configuration from core configuration * Rename wstrlist_append() to _Py_wstrlist_append() * _Py_wstrlist_append() now handles integer overflow.
* bpo-33597: Reduce PyGC_Head size (GH-7043)INADA Naoki2018-07-101-47/+59
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* Fix redundant declaration of _PyImport_AddModuleObject (GH-7992)Jeremy Cline2018-06-291-3/+0
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* bpo-33499: Add PYTHONPYCACHEPREFIX env var for alt bytecode cache location. ↵Carl Meyer2018-06-161-1/+2
| | | | | | | | | | | | | | | (GH-6834) In some development setups it is inconvenient or impossible to write bytecode caches to the code tree, but the bytecode caches are still useful. The PYTHONPYCACHEPREFIX environment variable allows specifying an alternate location for cached bytecode files, within which a directory tree mirroring the code tree will be created. This cache tree is then used (for both reading and writing) instead of the local `__pycache__` subdirectory within each source directory. Exposed at runtime as sys.pycache_prefix (defaulting to None), and can be set from the CLI as "-X pycache_prefix=path". Patch by Carl Meyer.
* bpo-33818: PyExceptionClass_Name() will now return "const char *". (GH-7581)Serhiy Storchaka2018-06-151-3/+2
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* Clean up after bpo-33738. (GH-7627)Serhiy Storchaka2018-06-112-6/+3
| | | | | * Add declarations even if they are overridden by macros. * Make the declaration and the definition of PyExceptionClass_Name consistent.
* bpo-33738: Address review comments in GH #7477 (GH-7585)Christian Tismer2018-06-102-3/+3
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* bpo-33738: Fix macros which contradict PEP 384 (GH-7477)Christian Tismer2018-06-093-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During development of the limited API support for PySide, we saw an error in a macro that accessed a type field. This patch fixes the 7 errors in the Python headers. Macros which were not written as capitals were implemented as function. To do the necessary analysis again, a script was included that parses all headers and looks for "->tp_" in serctions which can be reached with active limited API. It is easily possible to call this script as a test. Error listing: ../../Include/objimpl.h:243 #define PyObject_IS_GC(o) (PyType_IS_GC(Py_TYPE(o)) && \ (Py_TYPE(o)->tp_is_gc == NULL || Py_TYPE(o)->tp_is_gc(o))) Action: commented only ../../Include/objimpl.h:362 #define PyType_SUPPORTS_WEAKREFS(t) ((t)->tp_weaklistoffset > 0) Action: commented only ../../Include/objimpl.h:364 #define PyObject_GET_WEAKREFS_LISTPTR(o) \ ((PyObject **) (((char *) (o)) + Py_TYPE(o)->tp_weaklistoffset)) Action: commented only ../../Include/pyerrors.h:143 #define PyExceptionClass_Name(x) \ ((char *)(((PyTypeObject*)(x))->tp_name)) Action: implemented function ../../Include/abstract.h:593 #define PyIter_Check(obj) \ ((obj)->ob_type->tp_iternext != NULL && \ (obj)->ob_type->tp_iternext != &_PyObject_NextNotImplemented) Action: implemented function ../../Include/abstract.h:713 #define PyIndex_Check(obj) \ ((obj)->ob_type->tp_as_number != NULL && \ (obj)->ob_type->tp_as_number->nb_index != NULL) Action: implemented function ../../Include/abstract.h:924 #define PySequence_ITEM(o, i)\ ( Py_TYPE(o)->tp_as_sequence->sq_item(o, i) ) Action: commented only
* bpo-33615: Re-enable a subinterpreter test. (gh-7251)Eric Snow2018-06-021-3/+4
| | | For bpo-32604 I added extra subinterpreter-related tests (see #6914), which caused a few buildbots to crash. This patch fixes the crash by ensuring that refcounts in channels are handled properly.
* bpo-33691: Add _PyAST_GetDocString(). (GH-7236)Serhiy Storchaka2018-05-301-0/+5
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* bpo-32911: Revert bpo-29463. (GH-7121) (GH-7197)Serhiy Storchaka2018-05-291-15/+10
| | | | | | Remove the docstring attribute of AST types and restore docstring expression as a first stmt in their body. Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
* Add missed details of the C API introduced in 3.7. (GH-7047)Serhiy Storchaka2018-05-222-0/+4
| | | | | | * Set the limited API version for PyImport_GetModule and PyOS_*Fork functions. * Add PyImport_GetModule and Py_UTF8Mode in PC/python3.def. * Add several functions in Doc/data/refcounts.dat.
* bpo-5945: Improve mappings and sequences C API docs. (GH-7029)Serhiy Storchaka2018-05-221-8/+8
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* bpo-33475: Fix and improve converting annotations to strings. (GH-6774)Serhiy Storchaka2018-05-171-3/+1
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* bpo-20171: Convert the _curses and _curses_panel modules to Argument Clinic. ↵Serhiy Storchaka2018-05-101-59/+0
| | | | (GH-4251)
* Spelling fixes to docs, docstrings, and comments (GH-6374)Ville Skyttä2018-04-202-2/+2
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* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-231-0/+1
| | | | | | | | * Added new opcode END_ASYNC_FOR. * Setting global StopAsyncIteration no longer breaks "async for" loops. * Jumping into an "async for" loop is now disabled. * Jumping out of an "async for" loop no longer corrupts the stack. * Simplify the compiler.
* closes bpo-32980 Remove _PyFrame_Init (GH-5965)Thomas Nyberg2018-03-041-1/+0
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* bpo-32836: Remove obsolete code from symtable pass (GH-5680)Nitish Chandra2018-02-261-1/+0
| | | | | | | When comprehensions switched to using a nested scope, the old code for generating a temporary name to hold the accumulation target became redundant, but was never actually removed. Patch by Nitish Chandra.
* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ↵Serhiy Storchaka2018-02-221-4/+4
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-32604: Clean up created subinterpreters before runtime finalization. ↵Eric Snow2018-02-172-0/+8
| | | | | | (gh-5709)
* Fix typo in Include/objimpl.h, the word "has" was missing (GH-5568)Alexey2018-02-061-1/+1
| | | It now reads: ...be aware that Python has no control over...
* bpo-32777: Fix _Py_set_inheritable async-safety in subprocess (GH-5560)Alexey Izbyshev2018-02-061-0/+3
| | | | | | | Fix a rare but potential pre-exec child process deadlock in subprocess on POSIX systems when marking file descriptors inheritable on exec in the child process. This bug appears to have been introduced in 3.4 with the inheritable file descriptors support. This also changes Python/fileutils.c `set_inheritable` to use the "slow" two `fcntl` syscall path instead of the "fast" single `ioctl` syscall path when asked to be async signal safe (by way of being asked not to raise exceptions). `ioctl` is not a POSIX async-signal-safe approved function. ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html
* Revert "bpo-31356: Add context manager to temporarily disable GC GH-5495Yury Selivanov2018-02-021-1/+0
| | | | | | | This reverts commit 72a0d218dcc94a3cc409a9ef32dfcd5a7bbcb43c. The reverted commit had a few issues so it was unanimously decided to undo it. See the bpo issue for details.
* Start of 3.8.0a0Ned Deily2018-01-311-4/+4
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* Update NEWS, docs, and patchlevel for 3.7.0b1Ned Deily2018-01-311-3/+3
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* bpo-32604: Expose the subinterpreters C-API in a "private" stdlib module. ↵Eric Snow2018-01-301-0/+78
| | | | | (gh-1748) The module is primarily intended for internal use in the test suite. Building the module under Windows will come in a follow-up PR.
* bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181)Mark Shannon2018-01-301-1/+0
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* bpo-31356: Add context manager to temporarily disable GC (GH-4224)Pablo Galindo2018-01-291-0/+1
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* rename _imp initialization function to follow conventions (#5432)Benjamin Peterson2018-01-291-1/+1
| | | When the C imp module became _imp in 6f44d66bc491bad5b8d897a68da68e009e27829d, the initialization function should have been renamed from PyInit_imp to PyInit__imp.
* bpo-32677: Add .isascii() to str, bytes and bytearray (GH-5342)INADA Naoki2018-01-271-0/+2
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* String annotations [PEP 563] (#4390)Guido van Rossum2018-01-263-1/+12
| | | | | | | | * Document `from __future__ import annotations` * Provide plumbing and tests for `from __future__ import annotations` * Implement unparsing the AST back to string form This is required for PEP 563 and as such only implements a part of the unparsing process that covers expressions.
* bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code ↵Serhiy Storchaka2018-01-251-2/+11
| | | | | (GH-5222) Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
* bpo-10381: Add timezone to datetime C API (#5032)Paul Ganssle2018-01-241-0/+13
| | | | | | | | | | | | | | | | | | * Add timezone to datetime C API * Add documentation for timezone C API macros * Add dedicated tests for datetime type check macros * Remove superfluous C API test * Drop support for TimeZoneType in datetime C API * Expose UTC singleton to the datetime C API * Update datetime C-API documentation to include links * Add reference count information for timezone constructors
* bpo-32030: Add _PyCoreConfig.module_search_paths (#4954)Victor Stinner2018-01-241-13/+27
| | | | | | | | | | | _PyCoreConfig_Read() is now responsible to compute sys.path. So sys.path is now computed before calling _Py_InitializeCore(). Changes: * Add module_search_path, module_search_paths, executable, prefix, base_prefix, exec_prefix and base_exec_prefix to _PyCoreConfig. * _PyMainInterpreterConfig_Read() now only converts wchar_t** lists into a Python list, it doesn't compute sys.path anymore.
* bpo-32635: Fix a segfault when importing the crypt module with libxcrypt. ↵stratakis2018-01-231-0/+3
| | | | | | | (#5284) glibc is deprecating libcrypt in favor of libxcrypt, however python assumes that crypt.h will always be included. This change makes the header inclusion explicit when libxcrypt is present on the system.
* bpo-32436: Implement PEP 567 (#5027)Yury Selivanov2018-01-235-0/+249
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* bpo-32593: Drop FreeBSD 9 and older support (#5232)Victor Stinner2018-01-222-36/+10
| | | Drop support of FreeBSD 9 and older.
* bpo-32591: Add native coroutine origin tracking (#5250)Nathaniel J. Smith2018-01-214-0/+9
| | | | | | * Add coro.cr_origin and sys.set_coroutine_origin_tracking_depth * Use coroutine origin information in the unawaited coroutine warning * Stop using set_coroutine_wrapper in asyncio debug mode * In BaseEventLoop.set_debug, enable debugging in the correct thread
* bpo-32544: Speed up hasattr() and getattr() (GH-5173)INADA Naoki2018-01-161-1/+3
| | | | | AttributeError was raised always when attribute is not found. This commit skip raising AttributeError when `tp_getattro` is `PyObject_GenericGetAttr`. It makes hasattr() and getattr() about 4x faster when attribute is not found.
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