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gh-93353: regrtest skips temp files check if run on WASI by vstinner · Pull Request #93810 · python/cpython · GitHub

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gh-93353: regrtest skips temp files check if run on WASI #93810

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gh-93353: regrtest skips temp files check if run on WASI #93810

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33 changes: 20 additions & 13 deletions Lib/test/libregrtest/runtest_mp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,8 +68,9 @@ def run_test_in_subprocess(testname: str, ns: Namespace, tmp_dir: str) -> subpro
'--worker-args', worker_args]

env = dict(os.environ)
env['TMPDIR'] = tmp_dir
env['TEMPDIR'] = tmp_dir
if tmp_dir is not None:
env['TMPDIR'] = tmp_dir
env['TEMPDIR'] = tmp_dir

# Running the child from the same working directory as regrtest's original
# invocation ensures that TEMPDIR for the child is the same when
Expand Down Expand Up @@ -271,17 +272,23 @@ def _run_process(self, test_name: str, tmp_dir: str) -> tuple[int, str, str]:
self.current_test_name = None

def _runtest(self, test_name: str) -> MultiprocessResult:
# gh-93353: Check for leaked temporary files in the parent process,
# since the deletion of temporary files can happen late during
# Python finalization: too late for libregrtest.
tmp_dir = os.getcwd() + '_tmpdir'
tmp_dir = os.path.abspath(tmp_dir)
try:
os.mkdir(tmp_dir)
retcode, stdout = self._run_process(test_name, tmp_dir)
finally:
tmp_files = os.listdir(tmp_dir)
os_helper.rmtree(tmp_dir)
if not support.is_wasi:
# gh-93353: Check for leaked temporary files in the parent process,
# since the deletion of temporary files can happen late during
# Python finalization: too late for libregrtest.
tmp_dir = os.getcwd() + '_tmpdir'
tmp_dir = os.path.abspath(tmp_dir)
try:
os.mkdir(tmp_dir)
retcode, stdout = self._run_process(test_name, tmp_dir)
finally:
tmp_files = os.listdir(tmp_dir)
os_helper.rmtree(tmp_dir)
else:
# WASI do not pass environment variables to WASM programs
# and so doesn't support the TMPDIR environment variable.
retcode, stdout = self._run_process(test_name, None)
tmp_files = ()

if retcode is None:
return self.mp_result_error(Timeout(test_name), stdout)
Expand Down
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