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bpo-36611: Fix test_sys.test_getallocatedblocks() (GH-12797)

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Fix test_sys.test_getallocatedblocks() when tracemalloc is enabled.
If the name of Python memory allocators cannot get read, consider
that pymalloc is disabled.

Fix the following error:

./python -X tracemalloc -m test test_sys -v -m test_getallocatedblocks

ERROR: test_getallocatedblocks (test.test_sys.SysModuleTest)
------------------------------------------------------------
Traceback (most recent call last):
  File "Lib/test/test_sys.py", line 770, in test_getallocatedblocks
    alloc_name = _testcapi.pymem_getallocatorsname()
RuntimeError: cannot get allocators name
This commit is contained in:
Victor Stinner 2019-04-12 15:15:04 +02:00 • committed by GitHub
parent 9e4f2f3a6b
commit 9b8314cfe2
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2 changed files with 9 additions and 2 deletions
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9
Lib/test/test_sys.py
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@ -767,8 +767,13 @@ class SysModuleTest(unittest.TestCase):
except ImportError:
with_pymalloc = support.with_pymalloc()
else:
alloc_name = _testcapi.pymem_getallocatorsname()
with_pymalloc = (alloc_name in ('pymalloc', 'pymalloc_debug'))
try:
alloc_name = _testcapi.pymem_getallocatorsname()
except RuntimeError as exc:
# "cannot get allocators name" (ex: tracemalloc is used)
with_pymalloc = True
else:
with_pymalloc = (alloc_name in ('pymalloc', 'pymalloc_debug'))
# Some sanity checks
a = sys.getallocatedblocks()