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* bpo-34783: Fix Py_Main() (GH-9526)Victor Stinner2018-09-241-79/+84
| | | | | | | | | | | | | | | Fix a crash with musl libc (on Alpine Linux) when the script filename specified on the command line doesn't exist. pymain_open_filename() now gets the current core configuration from the interpreter state. Modify the code to make it closer to the master branch: * Rename _Py_CommandLineDetails to _PyCmdline * Remove _PyMain.config: replaced with a local variable 'local_config' in pymain_init() * Reorganize pymain_main(): move code using the "local config" into pymain_init() * As soon as possible, switch from the local config to the core configuration attached to the interpreter.
* Revert "[3.7] bpo-34589: Add -X coerce_c_locale option; C locale coercion ↵Victor Stinner2018-09-191-124/+35
| | | | | off by default (GH-9379)" (GH-9416) This reverts commit 144f1e2c6f4a24bd288c045986842c65cc289684.
* [3.7] bpo-34589: Add -X coerce_c_locale option; C locale coercion off by ↵Victor Stinner2018-09-181-35/+124
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | default (GH-9379) * bpo-34589: Make _PyCoreConfig.coerce_c_locale private (GH-9371) _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 "_"). (cherry picked from commit 188ebfa475a6f6aa2d0ea14ca8e1fbe7865b6d27) * bpo-34589: C locale coercion off by default (GH-9073) 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. (cherry picked from commit 7a0791b6992d420dc52536257f2f093851ed7215) * bpo-34589: Add -X coerce_c_locale command line option (GH-9378) Add a new -X coerce_c_locale command line option to control C locale coercion (PEP 538). (cherry picked from commit dbdee0073cf0b88fe541980ace1f650900f455cc)
* bpo-34485: Fix _Py_InitializeCore() for C locale coercion (GH-8979) (GH-8981)Victor Stinner2018-08-281-9/+13
| | | | | | | | | | * _Py_InitializeCore() now sets the LC_CTYPE locale to the user preferred locale before checking if the C locale should be coerced or not in _PyCoreConfig_Read(). * Fix pymain_read_conf(): remember if the C locale has been coerced when the configuration should be read again if the encoding has changed. (cherry picked from commit 2c8ddcf4f14f3e4c87a6fe6678ab5ad09130c6ab)
* bpo-34527: POSIX locale enables the UTF-8 Mode (GH-8972) (GH-8974)Victor Stinner2018-08-281-6/+16
| | | | | | | | | | | | * The UTF-8 Mode is now also enabled by the "POSIX" locale, not only by the "C" locale. * On FreeBSD, Py_DecodeLocale() and Py_EncodeLocale() now also forces the ASCII encoding if the LC_CTYPE locale is "POSIX", not only if the LC_CTYPE locale is "C". * test_utf8_mode.test_cmd_line() checks also that the command line arguments are decoded from UTF-8 when the the UTF-8 Mode is enabled with POSIX locale or C locale. (cherry picked from commit 5cb258950ce9b69b1f65646431c464c0c17b1510)
* [3.7] bpo-34492: Modules/main.c: Fix copy_wstrlist() (GH-8910) (GH-8922)Alexey Izbyshev2018-08-251-1/+4
| | | | | | | | * Add missing NULL check reported by Svace static analyzer. * Fix clear_wstrlist() call on a wrong list. (cherry picked from commit eb746dbae8b320758ee08f811316d7f283435cc0) Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
* bpo-34207: Fix pymain_read_conf() for UTF-8 Mode (GH-8868) (GH-8870)Victor Stinner2018-08-231-1/+6
| | | | | | | bpo-34170, bpo-34207: pymain_read_conf() now sets Py_UTF8Mode to config->utf8_mode. pymain_read_conf() calls indirectly Py_DecodeLocale() and Py_EncodeLocale() which depend on Py_UTF8Mode. (cherry picked from commit 89487f51b8d6ba8a55f5de0ed689e46fefe73cc9)
* [3.7] bpo-34247: Fix Python 3.7 initialization (#8659)Victor Stinner2018-08-051-105/+196
| | | | | | | | | | | | | | | | | * -X dev: it is now possible to override the memory allocator using PYTHONMALLOC even if the developer mode is enabled. * Add _Py_InitializeFromConfig() * Add _Py_Initialize_ReadEnvVars() to set global configuration variables from environment variables * Fix the code to initialize Python: Py_Initialize() now also reads environment variables * _Py_InitializeCore() can now be called twice: the second call only replaces the configuration. * Write unit tests on Py_Initialize() and the different ways to configure Python * The isolated mode now always sets Py_IgnoreEnvironmentFlag and Py_NoUserSiteDirectory to 1. * pymain_read_conf() now saves/restores the configuration if the encoding changed
* bpo-34231: PYTHONBREAKPOINT is not documented on python --help (GH-8475)Steve Dower2018-07-291-0/+2
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* bpo-34008: Allow to call Py_Main() after Py_Initialize() (GH-8043) (GH-8352)Miss Islington (bot)2018-07-211-3/+7
| | | | | | | | Py_Main() can again be called after Py_Initialize(), as in Python 3.6. The new configuration is ignored, except of _PyMainInterpreterConfig.argv which is used to update sys.argv. (cherry picked from commit fb47bca9ee2d07ce96df94b4e4abafd11826eb01) Co-authored-by: Victor Stinner <vstinner@redhat.com>
* bpo-33824, bpo-32030: Fix pymain_read_conf() (GH-7712)Miss Islington (bot)2018-06-151-0/+1
| | | | | | | | | Fix "LC_ALL=C python3.7 -V": reset properly the command line parser when the encoding changes after reading the Python configuration. Fix pymain_read_conf(): use memset(0) to reset properly cmdline. (cherry picked from commit 6c5a4b315664f21bffc36ff6987fb4c4d1590897) Co-authored-by: Victor Stinner <vstinner@redhat.com>
* bpo-33706: Fix pymain_parse_cmdline_impl() (GH-7283)Miss Islington (bot)2018-05-311-1/+1
| | | | | | | | | | | | | Fix a crash in Python initialization when parsing the command line options. Fix memcpy() size parameter: previously, we read one wchar_t after the end of _PyOS_optarg. Moreover, don't copy the trailingg NUL character: we write it manually anyway. Thanks Christoph Gohlke for the bug report and the fix! (cherry picked from commit 58d1683255abb0df4fc70960da6121aeaa41e1d1) Co-authored-by: Victor Stinner <vstinner@redhat.com>
* Fix typo in error message when decoding PYTHONPATH. (GH-6981) (GH-6993)Miss Islington (bot)2018-05-191-1/+1
| | | | | (cherry picked from commit 4857543a090c6c1ad20e935b2d7e88bbf2cbcc01) Co-authored-by: Carl Meyer <carl@oddbird.net>
* bpo-17232: Clarify docs for -O and -OO command line options (GH-5839)Miss Islington (bot)2018-02-251-2/+4
| | | | | | The 'optimization' is for space in the executable file, not for run time. (cherry picked from commit 186b606d8a2ea4fd51b7286813302c8e8c7006cc) Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>
* bpo-32652: Defer pymain_set_global_config() call (#5303)Victor Stinner2018-01-251-14/+12
| | | | | | In Py_Main(), don't call pymain_set_global_config() early: only call it when the whole configuration has been read. Add an unit test to prevent future regression.
* bpo-32030: Add _PyCoreConfig.module_search_paths (#4954)Victor Stinner2018-01-241-174/+201
| | | | | | | | | | | _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-32030: Add _Py_EncodeLocaleRaw() (#4961)Victor Stinner2017-12-211-2/+2
| | | | | | | | | | | | Replace Py_EncodeLocale() with _Py_EncodeLocaleRaw() in: * _Py_wfopen() * _Py_wreadlink() * _Py_wrealpath() * _Py_wstat() * pymain_open_filename() These functions are called early during Python intialization, only the RAW memory allocator must be used.
* bpo-32030: Fix usage of memory allocators (#4953)Victor Stinner2017-12-201-7/+19
| | | | | | | | | * _Py_InitializeCore() doesn't call _PyMem_SetupAllocators() anymore if the PYTHONMALLOC environment variable is not set. * pymain_cmdline() now sets the allocator to the default, instead of setting the allocator in subfunctions. * Py_SetStandardStreamEncoding() now calls _PyMem_SetDefaultAllocator() to get a known allocator, to be able to release the memory with the same allocator.
* bpo-32030: Complete _PyCoreConfig_Read() (#4946)Victor Stinner2017-12-201-325/+366
| | | | | | | | | | * Add _PyCoreConfig.install_signal_handlers * Remove _PyMain.config: _PyMainInterpreterConfig usage is now restricted to pymain_init_python_main(). * Rename _PyMain.core_config to _PyMain.config * _PyMainInterpreterConfig_Read() now creates the xoptions dictionary from the core config * Fix _PyMainInterpreterConfig_Read(): don't replace xoptions and argv if they are already set.
* bpo-32030: Add _PyCoreConfig.warnoptions (#4936)Victor Stinner2017-12-201-421/+446
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge _PyCoreConfig_ReadEnv() into _PyCoreConfig_Read(), and _Py_CommandLineDetails usage is now restricted to pymain_cmdline(). Changes: * _PyCoreConfig: Add nxoption, xoptions, nwarnoption and warnoptions * Add _PyCoreConfig.program: argv[0] or "" * Move filename, command, module and xoptions from _Py_CommandLineDetails to _PyMain. xoptions _Py_OptList becomes (int, wchar_t**) list. * Add pymain_cmdline() function * Rename copy_argv() to copy_wstrlist(). Rename clear_argv() to clear_wstrlist(). Remove _Py_OptList structure: use (int, wchar_t**) list instead. * Rename pymain_set_flag_from_env() to pymain_get_env_flag() * Rename pymain_set_flags_from_env() to pymain_get_env_flags() * _PyMainInterpreterConfig_Read() now creates the warnoptions from _PyCoreConfig.warnoptions * Inline pymain_add_warning_dev_mode() and pymain_add_warning_bytes_flag() into config_init_warnoptions() * Inline pymain_get_program_name() into _PyCoreConfig_Read() * _Py_CommandLineDetails: Replace warning_options with nwarnoption and warnoptions. Replace env_warning_options with nenv_warnoption and env_warnoptions. * pymain_warnings_envvar() now has a single implementation for Windows and Unix: use config_get_env_var_dup() to also get the variable as wchar_t* on Unix.
* bpo-32030: Cleanup pymain_main() (#4935)Victor Stinner2017-12-201-71/+93
| | | | | | | * Reorganize pymain_main() to make the code more flat * Clear configurations before pymain_update_sys_path() * Mark Py_FatalError() and _Py_FatalInitError() with _Py_NO_RETURN * Replace _PyMain.run_code variable with a new RUN_CODE() macro * Move _PyMain.cf into a local variable in pymain_run_python()
* bpo-32030: Add _PyCoreConfig.argv (#4934)Victor Stinner2017-12-191-149/+221
| | | | | | | * Add argc and argv to _PyCoreConfig * _PyMainInterpreterConfig_Read() now builds its argv from _PyCoreConfig.arg * Move _PyMain.env_warning_options into _Py_CommandLineDetails * Reorder pymain_free()
* bpo-32030: Fix compiler warnings (#4921)Victor Stinner2017-12-191-22/+3
| | | | | | | | | | | Fix compiler warnings in Py_FinalizeEx(): only define variables if they are needed, add #ifdef. Other cleanup changes: * _PyWarnings_InitWithConfig() is no more needed: call _PyWarnings_Init() instead. * Inline pymain_init_main_interpreter() in its caller. This subfunction is no more justifed.
* bpo-32030: Fix compilation on FreeBSD, #include <fenv.h> (#4919)Victor Stinner2017-12-181-10/+14
| | | | | * main.c: add missing #include <fenv.h> on FreeBSD * indent also other #ifdef in main.c * cleanup Programs/python.c
* bpo-29240, bpo-32030: Py_Main() re-reads config if encoding changes (#4899)Victor Stinner2017-12-161-53/+247
| | | | | | | | | | | | | | | | | | bpo-29240, bpo-32030: If the encoding change (C locale coerced or UTF-8 Mode changed), Py_Main() now reads again the configuration with the new encoding. Changes: * Add _Py_UnixMain() called by main(). * Rename pymain_free_pymain() to pymain_clear_pymain(), it can now be called multipled times. * Rename pymain_parse_cmdline_envvars() to pymain_read_conf(). * Py_Main() now clears orig_argc and orig_argv at exit. * Remove argv_copy2, Py_Main() doesn't modify argv anymore. There is no need anymore to get two copies of the wchar_t** argv. * _PyCoreConfig: add coerce_c_locale and coerce_c_locale_warn. * Py_UTF8Mode is now initialized to -1. * Locale coercion (PEP 538) now respects -I and -E options.
* move pygetopt.h to internal (closes bpo-32264) (#4830)Benjamin Peterson2017-12-151-2/+1
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* bpo-32030: Add _PyMainInterpreterConfig.executable (#4876)Victor Stinner2017-12-151-19/+50
| | | | | | | | | | | | * Add new fields to _PyMainInterpreterConfig: * executable * prefix * base_prefix * exec_prefix * base_exec_prefix * _PySys_EndInit() now sets sys attributes from _PyMainInterpreterConfig
* bpo-32030: Add _PyCoreConfig_Copy() (#4874)Victor Stinner2017-12-151-0/+148
| | | | | | | | | | Each interpreter now has its core_config and main_config copy: * Add _PyCoreConfig_Copy() and _PyMainInterpreterConfig_Copy() * Move _PyCoreConfig_Read(), _PyCoreConfig_Clear() and _PyMainInterpreterConfig_Clear() from Python/pylifecycle.c to Modules/main.c * Fix _Py_InitializeEx_Private(): call _PyCoreConfig_ReadEnv() before _Py_InitializeCore()
* bpo-32329: Fix -R option for hash randomization (#4873)Victor Stinner2017-12-141-7/+28
| | | | | | | | | | | | bpo-32329, bpo-32030: * The -R option now turns on hash randomization when the PYTHONHASHSEED environment variable is set to 0 Previously, the option was ignored. * sys.flags.hash_randomization is now properly set to 0 when hash randomization is turned off by PYTHONHASHSEED=0. * _PyCoreConfig_ReadEnv() now reads the PYTHONHASHSEED environment variable. _Py_HashRandomization_Init() now only apply the configuration, it doesn't read PYTHONHASHSEED anymore.
* bpo-32030: Add _PyMainInterpreterConfig.warnoptions (#4855)Victor Stinner2017-12-141-40/+84
| | | Add warnoptions and xoptions fields to _PyMainInterpreterConfig.
* bpo-32030: Rewrite _PyMainInterpreterConfig (#4854)Victor Stinner2017-12-141-99/+182
| | | | | | | | | | | | | | | | | | | | _PyMainInterpreterConfig now contains Python objects, whereas _PyCoreConfig contains wchar_t* strings. Core config: * Rename _PyMainInterpreterConfig_ReadEnv() to _PyCoreConfig_ReadEnv() * Move 3 strings from _PyMainInterpreterConfig to _PyCoreConfig: module_search_path_env, home, program_name. * Add _PyCoreConfig_Clear() * _PyPathConfig_Calculate() now takes core config rather than main config * _PyMainInterpreterConfig_Read() now requires also a core config Main config: * Add _PyMainInterpreterConfig.module_search_path: sys.path list * Add _PyMainInterpreterConfig.argv: sys.argv list * _PyMainInterpreterConfig_Read() now computes module_search_path
* bpo-32030: Add _PyPathConfig_ComputeArgv0() (#4845)Victor Stinner2017-12-131-16/+91
| | | | | | | | | | | | | | | | Changes: * Split _PySys_SetArgvWithError() into subfunctions for Py_Main(): * Create the Python list object * Set sys.argv to the list * Compute argv0 * Prepend argv0 to sys.path * Add _PyPathConfig_ComputeArgv0() * Remove _PySys_SetArgvWithError() * Py_Main() now splits the code to compute sys.argv/path0 and the code to update the sys module: add pymain_compute_argv() subfunction.
* pymain_set_sys_argv() now copies argv (#4838)Victor Stinner2017-12-131-28/+58
| | | | | | | | | | bpo-29240, bpo-32030: * Rename pymain_set_argv() to pymain_set_sys_argv() * pymain_set_sys_argv() now creates of copy of argv and modify the copy, rather than modifying pymain->argv * Call pymain_set_sys_argv() earlier: before pymain_run_python(), but after pymain_get_importer(). * Add _PySys_SetArgvWithError() to handle errors
* bpo-29240: PEP 540: Add a new UTF-8 Mode (#855)Victor Stinner2017-12-131-53/+93
| | | | | | | | | | | | | | | | | | | | | | * Add -X utf8 command line option, PYTHONUTF8 environment variable and a new sys.flags.utf8_mode flag. * If the LC_CTYPE locale is "C" at startup: enable automatically the UTF-8 mode. * Add _winapi.GetACP(). encodings._alias_mbcs() now calls _winapi.GetACP() to get the ANSI code page * locale.getpreferredencoding() now returns 'UTF-8' in the UTF-8 mode. As a side effect, open() now uses the UTF-8 encoding by default in this mode. * Py_DecodeLocale() and Py_EncodeLocale() now use the UTF-8 encoding in the UTF-8 Mode. * Update subprocess._args_from_interpreter_flags() to handle -X utf8 * Skip some tests relying on the current locale if the UTF-8 mode is enabled. * Add test_utf8mode.py. * _Py_DecodeUTF8_surrogateescape() gets a new optional parameter to return also the length (number of wide characters). * pymain_get_global_config() and pymain_set_global_config() now always copy flag values, rather than only copying if the new value is greater than the old value.
* bpo-32230: Set sys.warnoptions with -X dev (#4820)Victor Stinner2017-12-121-0/+66
| | | | | | | | | | | | | | Rather than supporting dev mode directly in the warnings module, this instead adjusts the initialisation code to add an extra 'default' entry to sys.warnoptions when dev mode is enabled. This ensures that dev mode behaves *exactly* as if `-Wdefault` had been passed on the command line, including in the way it interacts with `sys.warnoptions`, and with other command line flags like `-bb`. Fix also bpo-20361: have -b & -bb options take precedence over any other warnings options. Patch written by Nick Coghlan, with minor modifications of Victor Stinner.
* bpo-32241: Add the const qualifire to declarations of umodifiable strings. ↵Serhiy Storchaka2017-12-121-23/+23
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* closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575)Benjamin Peterson2017-12-091-1/+30
| | | | | | | | | | | | | | | | | | | | | | | | | Python now supports checking bytecode cache up-to-dateness with a hash of the source contents rather than volatile source metadata. See the PEP for details. While a fairly straightforward idea, quite a lot of code had to be modified due to the pervasiveness of pyc implementation details in the codebase. Changes in this commit include: - The core changes to importlib to understand how to read, validate, and regenerate hash-based pycs. - Support for generating hash-based pycs in py_compile and compileall. - Modifications to our siphash implementation to support passing a custom key. We then expose it to importlib through _imp. - Updates to all places in the interpreter, standard library, and tests that manually generate or parse pyc files to grok the new format. - Support in the interpreter command line code for long options like --check-hash-based-pycs. - Tests and documentation for all of the above.
* bpo-32030: Add _PyImport_Fini2() (#4737)Victor Stinner2017-12-061-18/+26
| | | | | | | | | | | | | | | | | | | | | PyImport_ExtendInittab() now uses PyMem_RawRealloc() rather than PyMem_Realloc(). PyImport_ExtendInittab() can be called before Py_Initialize() whereas only the PyMem_Raw allocator is supposed to be used before Py_Initialize(). Add _PyImport_Fini2() to release the memory allocated by PyImport_ExtendInittab() at exit. PyImport_ExtendInittab() now forces the usage of the default raw allocator, to be able to release memory in _PyImport_Fini2(). Don't export these functions anymore to be C API, only to Py_BUILD_CORE: * _PyExc_Fini() * _PyImport_Fini() * _PyGC_DumpShutdownStats() * _PyGC_Fini() * _PyType_Fini() * _Py_HashRandomization_Fini()
* bpo-32030: Add pymain_get_global_config() (#4735)Victor Stinner2017-12-061-57/+113
| | | | | | | | | | | | | * Py_Main() now starts by reading Py_xxx configuration variables to only work on its own private structure, and then later writes back the configuration into these variables. * Replace Py_GETENV() with pymain_get_env_var() which ignores empty variables. * Add _PyCoreConfig.dump_refs * Add _PyCoreConfig.malloc_stats * _PyObject_DebugMallocStats() is now responsible to check if debug hooks are installed. The function returns 1 if stats were written, or 0 if the hooks are disabled. Mark _PyMem_PymallocEnabled() as static.
* bpo-32030: Simplify _PyCoreConfig_INIT macro (#4728)Victor Stinner2017-12-051-9/+3
| | | | | | | * Simplify _PyCoreConfig_INIT, _PyMainInterpreterConfig_INIT, _PyPathConfig_INIT macros: no need to set fields to 0/NULL, it's redundant (the C language sets them to 0/NULL for us). * Fix typo: pymain_run_statup() => pymain_run_startup() * Remove a few XXX/TODO
* Revert "bpo-32197: Try to fix a compiler error on OS X introduced in ↵Victor Stinner2017-12-041-58/+63
| | | | | | | | | | | | | | | | | | | | | | | bpo-32030. (#4681)" (#4694) * Revert "bpo-32197: Try to fix a compiler error on OS X introduced in bpo-32030. (#4681)" This reverts commit 13badcbc60cdbfae1dba1683fd2fae9d70717143. Re-apply commits: * "bpo-32030: _PyPathConfig_Init() sets home and program_name (#4673)" commit af5a895073c24637c094772b27526b94a12ec897. * "bpo-32030: Fix config_get_program_name() on macOS (#4669)" commit e23c06e2b03452c9aaf0dae52296c85e572f9bcd. * "bpo-32030: Add Python/pathconfig.c (#4668)" commit 0ea395ae964c9cd0f499e2ef0d0030c971201220. * "bpo-32030: Don't call _PyPathConfig_Fini() in Py_FinalizeEx() (#4667)" commit ebac19dad6263141d5db0a2c923efe049dba99d2. * "bpo-32030: Fix Py_GetPath(): init program_name (#4665)" commit 9ac3d8882712c9675c3d2f9f84af6b5729575cde. * Fix compilation error on macOS
* bpo-32197: Try to fix a compiler error on OS X introduced in bpo-32030. (#4681)Serhiy Storchaka2017-12-021-63/+58
| | | | | | | | | | | | | | | | | | | | | | * Revert "bpo-32030: _PyPathConfig_Init() sets home and program_name (#4673)" This reverts commit af5a895073c24637c094772b27526b94a12ec897. * Revert "bpo-32030: Fix config_get_program_name() on macOS (#4669)" This reverts commit e23c06e2b03452c9aaf0dae52296c85e572f9bcd. * Revert "bpo-32030: Add Python/pathconfig.c (#4668)" This reverts commit 0ea395ae964c9cd0f499e2ef0d0030c971201220. * Revert "bpo-32030: Don't call _PyPathConfig_Fini() in Py_FinalizeEx() (#4667)" This reverts commit ebac19dad6263141d5db0a2c923efe049dba99d2. * Revert "bpo-32030: Fix Py_GetPath(): init program_name (#4665)" This reverts commit 9ac3d8882712c9675c3d2f9f84af6b5729575cde.
* bpo-32030: _PyPathConfig_Init() sets home and program_name (#4673)Victor Stinner2017-12-021-17/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | _PyPathConfig_Init() now also initialize home and program_name: * Rename existing _PyPathConfig_Init() to _PyPathConfig_Calculate(). Add a new _PyPathConfig_Init() function in pathconfig.c which handles the _Py_path_config variable and call _PyPathConfig_Calculate(). * Add home and program_name fields to _PyPathConfig.home * _PyPathConfig_Init() now initialize home and program_name from main_config * Py_SetProgramName(), Py_SetPythonHome() and Py_GetPythonHome() now calls Py_FatalError() on failure, instead of silently ignoring failures. * config_init_home() now gets directly _Py_path_config.home to only get the value set by Py_SetPythonHome(), or NULL if Py_SetPythonHome() was not called. * config_get_program_name() now gets directly _Py_path_config.program_name to only get the value set by Py_SetProgramName(), or NULL if Py_SetProgramName() was not called. * pymain_init_python() doesn't call Py_SetProgramName() anymore, _PyPathConfig_Init() now always sets the program name * Call _PyMainInterpreterConfig_Read() in pymain_parse_cmdline_envvars_impl() to control the memory allocator * C API documentation: it's no more safe to call Py_GetProgramName() before Py_Initialize().
* bpo-32030: Fix config_get_program_name() on macOS (#4669)Victor Stinner2017-12-011-2/+2
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* bpo-32030: Add Python/pathconfig.c (#4668)Victor Stinner2017-12-011-3/+3
| | | | | | | * Factorize code from PC/getpathp.c and Modules/getpath.c to remove duplicated code * rename pathconfig_clear() to _PyPathConfig_Clear() * Inline _PyPathConfig_Fini() in pymain_impl() and then remove it, since it's a oneliner
* bpo-32030: Don't call _PyPathConfig_Fini() in Py_FinalizeEx() (#4667)Victor Stinner2017-12-011-12/+18
| | | | | | | | | | | | | | | Changes: * _PyPathConfig_Fini() cannot be called in Py_FinalizeEx(). Py_Initialize() and Py_Finalize() can be called multiple times, but it must not "forget" parameters set by Py_SetProgramName(), Py_SetPath() or Py_SetPythonHome(), whereas _PyPathConfig_Fini() clear all these parameters. * config_get_program_name() and calculate_program_full_path() now also decode paths using Py_DecodeLocale() to use the surrogateescape error handler, rather than decoding using mbstowcs() which is strict. * Change _Py_CheckPython3() prototype: () => (void) * Truncate a few lines which were too long
* bpo-32030: Fix Py_GetPath(): init program_name (#4665)Victor Stinner2017-12-011-37/+32
| | | | | | | | | | | | | | | * _PyMainInterpreterConfig_ReadEnv() now sets program_name from environment variables and pymain_parse_envvars() implements the falls back on argv[0]. * Remove _PyMain.program_name: use the program_name from _PyMainInterpreterConfig * Move the Py_SetProgramName() call back to pymain_init_python(), just before _Py_InitializeCore(). * pathconfig_global_init() now also calls _PyMainInterpreterConfig_Read() to set program_name if it isn't set yet * Cleanup PyCalculatePath: pass main_config to subfunctions to get directly fields from main_config (home, module_search_path_env and program_name)
* bpo-32101: Add PYTHONDEVMODE environment variable (#4624)Victor Stinner2017-11-301-2/+5
| | | | | | * bpo-32101: Add sys.flags.dev_mode flag Rename also the "Developer mode" to the "Development mode". * bpo-32101: Add PYTHONDEVMODE environment variable Mention it in the development chapiter.
* bpo-32030: Rework memory allocators (#4625)Victor Stinner2017-11-291-12/+7
| | | | | | | | | | | | | | | | | | | | * 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-31440: Changed default module search path for windowsgauravbackback2017-11-281-2/+2
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