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gh-109566: regrtest reexecutes the process (#109909)

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When --fast-ci or --slow-ci option is used, regrtest now replaces the
current process with a new process to add "-u -W default -bb -E"
options to Python.

Changes:

* PCbuild/rt.bat and Tools/scripts/run_tests.py no longer need to add
  "-u -W default -bb -E" options to Python: it's now done by
  regrtest.
* Fix Tools/scripts/run_tests.py: flush stdout before replacing the
  process. Previously, buffered messages were lost.
This commit is contained in:
Victor Stinner 2023-09-26 20:46:52 +02:00 • committed by GitHub
parent ecd813f054
commit fbfec5642e
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7 changed files with 107 additions and 14 deletions
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10
Tools/scripts/run_tests.py
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@ -23,11 +23,7 @@ def is_python_flag(arg):
def main(regrtest_args):
args = [sys.executable,
'-u', # Unbuffered stdout and stderr
'-W', 'default', # Warnings set to 'default'
'-bb', # Warnings about bytes/bytearray
]
args = [sys.executable]
cross_compile = '_PYTHON_HOST_PLATFORM' in os.environ
if (hostrunner := os.environ.get("_PYTHON_HOSTRUNNER")) is None:
@ -47,7 +43,6 @@ def main(regrtest_args):
}
else:
environ = os.environ.copy()
args.append("-E")
# Allow user-specified interpreter options to override our defaults.
args.extend(test.support.args_from_interpreter_flags())
@ -70,7 +65,8 @@ def main(regrtest_args):
args.extend(regrtest_args)
print(shlex.join(args))
print(shlex.join(args), flush=True)
if sys.platform == 'win32':
from subprocess import call
sys.exit(call(args))