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gh-110722: Add PYTHON_PRESITE to import a module before site.py is run (#110769)

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Łukasz Langa 2023-10-14 23:32:57 +02:00 • committed by GitHub
parent ab08ff7882
commit 84b7e9e3fa
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8 changed files with 178 additions and 7 deletions
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18
Lib/test/test_embed.py
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@ -515,6 +515,8 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
}
if Py_STATS:
CONFIG_COMPAT['_pystats'] = 0
if support.Py_DEBUG:
CONFIG_COMPAT['run_presite'] = None
if MS_WINDOWS:
CONFIG_COMPAT.update({
'legacy_windows_stdio': 0,
@ -1818,6 +1820,22 @@ class MiscTests(EmbeddingTestsMixin, unittest.TestCase):
self.assertEqual(refs, 0, out)
self.assertEqual(blocks, 0, out)
@unittest.skipUnless(support.Py_DEBUG,
'-X presite requires a Python debug build')
def test_presite(self):
cmd = [sys.executable, "-I", "-X", "presite=test.reperf", "-c", "print('cmd')"]
proc = subprocess.run(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
)
self.assertEqual(proc.returncode, 0)
out = proc.stdout.strip()
self.assertIn("10 times sub", out)
self.assertIn("CPU seconds", out)
self.assertIn("cmd", out)
class StdPrinterTests(EmbeddingTestsMixin, unittest.TestCase):
# Test PyStdPrinter_Type which is used by _PySys_SetPreliminaryStderr():