ChildError,DidNotRun)

fromtest.libregrtest.setupimportsetup_tests

fromtest.libregrtest.pgoimportsetup_pgo_tests

fromtest.libregrtest.utilsimportremovepy,count,format_duration,printlist

fromtest.libregrtest.utilsimport (removepy,count,format_duration,

printlist,get_build_info)

fromtest.supportimportos_helper

fromtest.supportimportthreading_helper

print("==",platform.python_implementation(),*sys.version.split())

print("==",platform.platform(aliased=True),

"%s-endian"%sys.byteorder)

print("== Python build:",' '.join(get_build_info()))

print("== cwd:",os.getcwd())

cpu_count=os.cpu_count()

ifcpu_count:

importos.path

else:

fractions._hash_algorithm.cache_clear()

defget_build_info():

config_args=sysconfig.get_config_var('CONFIG_ARGS')or''

cflags=sysconfig.get_config_var('PY_CFLAGS')or''

cflags_nodist=sysconfig.get_config_var('PY_CFLAGS_NODIST')or''

ldflags_nodist=sysconfig.get_config_var('PY_LDFLAGS_NODIST')or''

build= []

ifhasattr(sys,'gettotalrefcount'):

build.append('debug')

if'-DNDEBUG'in (cflags+cflags_nodist):

build.append('without_assert')

else:

build.append('release')

if'--with-assertions'inconfig_args:

build.append('with_assert')

elif'-DNDEBUG'notin (cflags+cflags_nodist):

build.append('with_assert')

framework=sysconfig.get_config_var('PYTHONFRAMEWORK')

ifframework:

build.append(f'framework={framework}')

shared=int(sysconfig.get_config_var('PY_ENABLE_SHARED')or'0')

ifshared:

build.append('shared')

optimizations= []

if'-flto=thin'inldflags_nodist:

optimizations.append('ThinLTO')

elif'-flto'inldflags_nodist:

optimizations.append('LTO')

pgo_options= (

'-fprofile-use',

'-fprofile-instr-use',

"-prof-use",

)

ifany(optionincflags_nodistforoptioninpgo_options):

optimizations.append('PGO')

ifoptimizations:

build.append('+'.join(optimizations))

sanitizers= []

ifsupport.check_sanitizer(address=True):

sanitizers.append("ASAN")

ifsupport.check_sanitizer(memory=True):

sanitizers.append("MSAN")

ifsupport.check_sanitizer(ub=True):

sanitizers.append("UBSAN")

ifsanitizers:

build.append('+'.join(sanitizers))

ifhasattr(sys,'getobjects'):

build.append("TraceRefs")

ifhasattr(sys,'_stats_on'):

build.append("pystats")

ifsysconfig.get_config_var('WITH_VALGRIND'):

build.append("valgrind")

ifsysconfig.get_config_var('WITH_DTRACE'):

build.append("dtrace")

The Python test runner (libregrtest) now logs Python build information like

"debug" vs "release" build, or LTO and PGO optimizations. Patch by Victor

Stinner.