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bpo-43950: Add option to opt-out of PEP-657 (GH-27023)

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Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Batuhan Taskaya <batuhanosmantaskaya@gmail.com>
Co-authored-by: Ammar Askar <ammar@ammaraskar.com>
This commit is contained in:
Ammar Askar 2021-07-07 15:07:12 -04:00 • committed by GitHub
parent 3d3027c5fc
commit 4823d9a512
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 276 additions and 64 deletions
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21
Python/initconfig.c
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@ -95,6 +95,11 @@ static const char usage_3[] = "\
-X pycache_prefix=PATH: enable writing .pyc files to a parallel tree rooted at the\n\
given directory instead of to the code tree\n\
-X warn_default_encoding: enable opt-in EncodingWarning for 'encoding=None'\n\
-X no_debug_ranges: disable the inclusion of the tables mapping extra location \n\
information (end line, start column offset and end column offset) to every \n\
instruction in code objects. This is useful when smaller code objects and pyc \n\
files are desired as well as supressing the extra visual location indicators \n\
when the interpreter displays tracebacks.\n\
\n\
--check-hash-based-pycs always|default|never:\n\
control how Python invalidates hash-based .pyc files\n\
@ -131,7 +136,12 @@ static const char usage_6[] =
" debugger. It can be set to the callable of your debugger of choice.\n"
"PYTHONDEVMODE: enable the development mode.\n"
"PYTHONPYCACHEPREFIX: root directory for bytecode cache (pyc) files.\n"
"PYTHONWARNDEFAULTENCODING: enable opt-in EncodingWarning for 'encoding=None'.\n";
"PYTHONWARNDEFAULTENCODING: enable opt-in EncodingWarning for 'encoding=None'.\n"
"PYTHONNODEBUGRANGES: If this variable is set, it disables the inclusion of the \n"
" tables mapping extra location information (end line, start column offset \n"
" and end column offset) to every instruction in code objects. This is useful \n"
" when smaller cothe de objects and pyc files are desired as well as supressing the \n"
" extra visual location indicators when the interpreter displays tracebacks.\n";
#if defined(MS_WINDOWS)
# define PYTHONHOMEHELP "<prefix>\\python{major}{minor}"
@ -597,6 +607,7 @@ config_check_consistency(const PyConfig *config)
assert(config->faulthandler >= 0);
assert(config->tracemalloc >= 0);
assert(config->import_time >= 0);
assert(config->no_debug_ranges >= 0);
assert(config->show_ref_count >= 0);
assert(config->dump_refs >= 0);
assert(config->malloc_stats >= 0);
@ -884,6 +895,7 @@ _PyConfig_Copy(PyConfig *config, const PyConfig *config2)
COPY_ATTR(faulthandler);
COPY_ATTR(tracemalloc);
COPY_ATTR(import_time);
COPY_ATTR(no_debug_ranges);
COPY_ATTR(show_ref_count);
COPY_ATTR(dump_refs);
COPY_ATTR(malloc_stats);
@ -988,6 +1000,7 @@ _PyConfig_AsDict(const PyConfig *config)
SET_ITEM_INT(faulthandler);
SET_ITEM_INT(tracemalloc);
SET_ITEM_INT(import_time);
SET_ITEM_INT(no_debug_ranges);
SET_ITEM_INT(show_ref_count);
SET_ITEM_INT(dump_refs);
SET_ITEM_INT(malloc_stats);
@ -1264,6 +1277,7 @@ _PyConfig_FromDict(PyConfig *config, PyObject *dict)
GET_UINT(faulthandler);
GET_UINT(tracemalloc);
GET_UINT(import_time);
GET_UINT(no_debug_ranges);
GET_UINT(show_ref_count);
GET_UINT(dump_refs);
GET_UINT(malloc_stats);
@ -1802,6 +1816,11 @@ config_read_complex_options(PyConfig *config)
config->import_time = 1;
}
if (config_get_env(config, "PYTHONNODEBUGRANGES")
|| config_get_xoption(config, L"no_debug_ranges")) {
config->no_debug_ranges = 1;
}
PyStatus status;
if (config->tracemalloc < 0) {
status = config_init_tracemalloc(config);