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[3.12] gh-90300: Fix undocumented envvars in the Python CLI help (GH-116765) #116797

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3 changes: 3 additions & 0 deletions Python/initconfig.c
Original file line number Diff line number Diff line change
Expand Up @@ -179,9 +179,12 @@ static const char usage_envvars[] =
" interpreter displays tracebacks. (-X no_debug_ranges)\n"
"PYTHONNOUSERSITE: disable user site directory (-s)\n"
"PYTHONOPTIMIZE : enable level 1 optimizations (-O)\n"
"PYTHONPERFSUPPORT: support the Linux \"perf\" profiler (-X perf)\n"
"PYTHONPROFILEIMPORTTIME: show how long each import takes (-X importtime)\n"
"PYTHONPYCACHEPREFIX: root directory for bytecode cache (pyc) files\n"
" (-X pycache_prefix)\n"
"PYTHONSAFEPATH : don't prepend a potentially unsafe path to sys.path.\n"
"PYTHONTRACEMALLOC: trace Python memory allocations (-X tracemalloc)\n"
"PYTHONUNBUFFERED: disable stdout/stderr buffering (-u)\n"
"PYTHONUTF8 : if set to 1, enable the UTF-8 mode (-X utf8)\n"
"PYTHONVERBOSE : trace import statements (-v)\n"
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