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gh-110932: Fix regrtest for SOURCE_DATE_EPOCH (#111143)

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If the SOURCE_DATE_EPOCH environment variable is defined, use its
value as the random seed.
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Victor Stinner 2023-10-21 10:37:48 +02:00 • committed by GitHub
parent b07f23259d
commit 7237fb578d
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4 changed files with 75 additions and 22 deletions
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21
Lib/test/libregrtest/main.py
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@ -129,14 +129,19 @@ class Regrtest:
# Randomize
self.randomize: bool = ns.randomize
self.random_seed: int | None = (
ns.random_seed
if ns.random_seed is not None
else random.getrandbits(32)
)
if 'SOURCE_DATE_EPOCH' in os.environ:
if ('SOURCE_DATE_EPOCH' in os.environ
# don't use the variable if empty
and os.environ['SOURCE_DATE_EPOCH']
):
self.randomize = False
self.random_seed = None
# SOURCE_DATE_EPOCH should be an integer, but use a string to not
# fail if it's not integer. random.seed() accepts a string.
# https://reproducible-builds.org/docs/source-date-epoch/
self.random_seed: int | str = os.environ['SOURCE_DATE_EPOCH']
elif ns.random_seed is None:
self.random_seed = random.getrandbits(32)
else:
self.random_seed = ns.random_seed
# tests
self.first_runtests: RunTests | None = None
@ -441,7 +446,7 @@ class Regrtest:
or tests or self.cmdline_args)):
display_header(self.use_resources, self.python_cmd)
print("Using random seed", self.random_seed)
print("Using random seed:", self.random_seed)
runtests = self.create_run_tests(selected)
self.first_runtests = runtests