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* bpo-32892: Use ast.Constant instead of specific constant AST types. (GH-9445)Serhiy Storchaka2018-09-271-32/+4
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* bpo-34762: Fix contextvars C API to use PyObject* pointer types. (GH-9473)Yury Selivanov2018-09-211-11/+9
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* Revert "bpo-34589: Add -X coerce_c_locale command line option (GH-9378)" ↵Victor Stinner2018-09-192-30/+3
| | | | | | | | | | | | | | | | (GH-9430) * Revert "bpo-34589: Add -X coerce_c_locale command line option (GH-9378)" This reverts commit dbdee0073cf0b88fe541980ace1f650900f455cc. * Revert "bpo-34589: C locale coercion off by default (GH-9073)" This reverts commit 7a0791b6992d420dc52536257f2f093851ed7215. * Revert "bpo-34589: Make _PyCoreConfig.coerce_c_locale private (GH-9371)" This reverts commit 188ebfa475a6f6aa2d0ea14ca8e1fbe7865b6d27.
* bpo-34623: Use XML_SetHashSalt in _elementtree (GH-9146)Christian Heimes2018-09-181-1/+3
| | | | | | | | | | The C accelerated _elementtree module now initializes hash randomization salt from _Py_HashSecret instead of libexpat's default CPRNG. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue34623
* bpo-32455: Add jump parameter to dis.stack_effect(). (GH-6610)Serhiy Storchaka2018-09-181-0/+1
| | | | Add C API function PyCompile_OpcodeStackEffectWithJump().
* bpo-34589: C locale coercion off by default (GH-9073)Victor Stinner2018-09-172-1/+14
| | | | | | | | | Py_Initialize() and Py_Main() cannot enable the C locale coercion (PEP 538) anymore: it is always disabled. It can now only be enabled by the Python program ("python3). test_embed: get_filesystem_encoding() doesn't have to set PYTHONUTF8 nor PYTHONCOERCECLOCALE, these variables are already set in the parent.
* bpo-34589: Make _PyCoreConfig.coerce_c_locale private (GH-9371)Victor Stinner2018-09-171-3/+17
| | | | | | | | _PyCoreConfig: * Rename coerce_c_locale to _coerce_c_locale * Rename coerce_c_locale_warn to _coerce_c_locale_warn These fields are now private (name prefixed by "_").
* bpo-34651: Only allow the main interpreter to fork. (gh-9279)Eric Snow2018-09-141-0/+1
| | | | | When os.fork() is called (on platforms that support it) all threads but the current one are destroyed in the child process. Consequently we must ensure that all but the associated interpreter are likewise destroyed. The main interpreter is critical for runtime operation, so we must ensure that fork only happens in the main interpreter. https://bugs.python.org/issue34651
* bpo-34674: Assume unistd.h exists on Unix. (GH-9290)Benjamin Peterson2018-09-141-1/+1
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* bpo-34567: pythoninfo gets coreconfig (GH-9043)Victor Stinner2018-09-031-0/+4
| | | | | | * Add _testcapi.get_coreconfig() to get the _PyCoreConfig of the interpreter * test.pythoninfo now gets the core configuration using _testcapi.get_coreconfig()
* bpo-34523: Use _PyCoreConfig instead of globals (GH-9005)Victor Stinner2018-08-292-3/+7
| | | | | Use the core configuration of the interpreter, rather than using global configuration variables. For example, replace Py_QuietFlag with core_config->quiet.
* bpo-34523: Py_FileSystemDefaultEncoding NULL by default (GH-9003)Victor Stinner2018-08-291-3/+26
| | | | | | | | * Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors default value is now NULL: initfsencoding() set them during Python initialization. * Document how Python chooses the filesystem encoding and error handler. * Add an assertion to _PyCoreConfig_Read().
* bpo-34523: Support surrogatepass in locale codecs (GH-8995)Victor Stinner2018-08-291-4/+25
| | | | | | | | | | | | | | | | | | | | Add support for the "surrogatepass" error handler in PyUnicode_DecodeFSDefault() and PyUnicode_EncodeFSDefault() for the UTF-8 encoding. Changes: * _Py_DecodeUTF8Ex() and _Py_EncodeUTF8Ex() now support the surrogatepass error handler (_Py_ERROR_SURROGATEPASS). * _Py_DecodeLocaleEx() and _Py_EncodeLocaleEx() now use the _Py_error_handler enum instead of "int surrogateescape" to pass the error handler. These functions now return -3 if the error handler is unknown. * Add unit tests on _Py_DecodeLocaleEx() and _Py_EncodeLocaleEx() in test_codecs. * Rename get_error_handler() to _Py_GetErrorHandler() and expose it as a private function. * _freeze_importlib doesn't need config.filesystem_errors="strict" workaround anymore.
* bpo-34523: Add _PyCoreConfig.filesystem_encoding (GH-8963)Victor Stinner2018-08-292-1/+20
| | | | | | | | | | | | | | | | | | | | | | | _PyCoreConfig_Read() is now responsible to choose the filesystem encoding and error handler. Using Py_Main(), the encoding is now chosen even before calling Py_Initialize(). _PyCoreConfig.filesystem_encoding is now the reference, instead of Py_FileSystemDefaultEncoding, for the Python filesystem encoding. Changes: * Add filesystem_encoding and filesystem_errors to _PyCoreConfig * _PyCoreConfig_Read() now reads the locale encoding for the file system encoding. * PyUnicode_EncodeFSDefault() and PyUnicode_DecodeFSDefaultAndSize() now use the interpreter configuration rather than Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors global configuration variables. * Add _Py_SetFileSystemEncoding() and _Py_ClearFileSystemEncoding() private functions to only modify Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors in coreconfig.c. * _Py_CoerceLegacyLocale() now takes an int rather than _PyCoreConfig for the warning.
* bpo-34485: Add _PyCoreConfig.stdio_encoding (GH-8881)Victor Stinner2018-08-292-0/+15
| | | | * Add stdio_encoding and stdio_errors fields to _PyCoreConfig. * Add unit tests on stdio_encoding and stdio_errors.
* bpo-34485: Add _Py_ClearStandardStreamEncoding() (GH-8982)Victor Stinner2018-08-281-0/+6
| | | | | | | | | | * Move Py_SetStandardStreamEncoding() from pylifecycle.c to coreconfig.c * Add _Py_ClearStandardStreamEncoding() private function. * pymain_free() now calls _Py_ClearStandardStreamEncoding(). * Add assertions add the end of _PyCoreConfig_Read() * _PyCoreConfig_Copy(): rename COPY_STR_ATTR() macro to COPY_WSTR_ATTR(). * Fix get_stdio_errors() indentation.
* bpo-34403: On HP-UX, force ASCII for C locale (GH-8969)Victor Stinner2018-08-281-0/+5
| | | | | | | | On HP-UX with C or POSIX locale, sys.getfilesystemencoding() now returns "ascii" instead of "roman8" (when the UTF-8 Mode is disabled and the C locale is not coerced). nl_langinfo(CODESET) announces "roman8" whereas it uses the Latin1 encoding in practice.
* bpo-34301: Add _PyInterpreterState_Get() helper function (GH-8592)Victor Stinner2018-08-031-0/+7
| | | | sys_setcheckinterval() now uses a local variable to parse arguments, before writing into interp->check_interval.
* bpo-31650: Remove _Py_CheckHashBasedPycsMode global config var (GH-8608)Victor Stinner2018-08-012-7/+2
| | | | | | | | bpo-31650, bpo-34170: Replace _Py_CheckHashBasedPycsMode with _PyCoreConfig._check_hash_pycs_mode. Modify PyInit__imp() and zipimport to get the parameter from the current interpreter core configuration. Remove Include/internal/import.h file.
* bpo-34170: Add Python/coreconfig.c for _PyCoreConfig (GH-8607)Victor Stinner2018-08-015-301/+326
| | | | | | | * Add Include/coreconfig.h * Move config_*() and _PyCoreConfig_*() functions from Modules/main.c to a new Python/coreconfig.c file. * Inline _Py_ReadHashSeed() into config_init_hash_seed() * Move global configuration variables to coreconfig.c
* Define _Py_NO_RETURN for Microsoft C compiler (GH-8606)Victor Stinner2018-08-012-5/+7
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* bpo-34170: Rename _PyCoreConfig.unbuffered_stdip (GH-8594)Victor Stinner2018-08-011-8/+8
| | | | * Rename _PyCoreConfig.unbuffered_stdio to buffered_stdio * Rename _PyCoreConfig.debug to parser_debug
* bpo-34170: Add _PyCoreConfig._frozen parameter (GH-8591)Victor Stinner2018-08-011-1/+8
| | | Modify frozenmain.c to use _Py_InitializeFromConfig().
* 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.
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